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HomeMy WebLinkAboutC12-142 Oldcastle SWGroup Fixed Bid Construction AgreementFIXED BID CONSTRUCTION AGREEMENT BETWEEN EAGLE COUNTY, COLORADO AND OLDCASTLE SW GROUP DBA B &B EXCAVATING FOR EAGLE COUNTY STATE BRIDGE AND TWO BRIDGES BOAT RAMPS AND SITE IMPROVEMENTS THIS AGREEMENT is made th day of April 2012, by and between Eagle County, (hereinafter "County" or "Owner "), and Oldcastle SW Group, Inc., DBA B &B Excavating, a company organized and existing by virtue of the laws of the State of Colorado ( "Contractor "). RECITALS WHEREAS, County desires to make certain improvements to the Eagle County State Bridge and Two Bridges Open Space Properties including improvements to or construction of the access roads, parking area and boat ramps (the "Project "); and; and WHEREAS, Contractor is authorized to do business in the State of Colorado, has experience and expertise necessary to perform said renovation and construction services for County; and WHEREAS, Contractor understands and acknowledges that the Project is for the construction of boat ramps and site improvements at State Bridge and Two Bridges Open Space Properties and that Contractor's work under this Fixed Bid Construction Agreement (the "Agreement ") will be subject to the specifications, terms and requirements contained in the attached Exhibit B; and WHEREAS, County and Contractor intend by this Agreement to set forth the scope of the responsibilities of Contractor in connection with the Project and related terms and conditions to govern the relationship between Contractor and County in connection with this Agreement. AGREEMENT NOW, THEREFORE, in consideration of the foregoing premises and the following promises, County and Contractor agree as follows: ARTICLE 1— WORK 1.1 Contractor shall use licensed, skilled and competent laborers to complete all Workpp as specified or indicated in the Contract Documents. The "Work" is generally described as providing all labor, tools materials and services for the demolition, reconstruction and site improvements of the State Bridge and Two Bridges Boat Ramps to complete the project in accordance with Eagle County State Bridge Open Space and Two Bridges Open Space Improvements Drawings and Project Specifications issued by Menendez Architects, Marcin Engineering and River Restoration — State Bridge Sheets C1 -C7; 1 BA1; R1, R2, D1 — D4 and Al and Two Bridges Sheets C1 -05; R1, R2, D1 -D4, all of which are Dated March 2012, including any Addendum thereto which may from time to time be issued, which are collectively attached hereto and incorporated herein as Exhibit B. As a component of the Work, Contractor will be required to protect all construction areas from the public to prevent interference with the Work to be provided hereunder. The Work may also be referred to herein as the "Construction Services." ARTICLE 2 - EAGLE COUNTY'S REPRESENTATIVE 2.1 The Project is under the authority of the Eagle County Project Management Department, the Manager of which, or his designee, shall be County's Project Manager with Contractor with respect to the performance of the Work (hereinafter "Project Manager "). 2.2 The Eagle County Project Manager shall be authorized to sign change orders increasing the scope of work and associated compensation within the budget constraints set for the Project. Change orders in excess of the budgeted amount must be signed and approved by the Board of County Commissioners. ARTICLE 3 — CONTRACT TIME 3.1 This Agreement shall commence upon execution of this Agreement by both parties and, subject to the provisions of Article 11 hereof, shall continue in full force and effect until the Work has been completed. 3.2 The parties recognize that there are two components of the Project, one being the Work at the State Bridge parcel and the other being the Work at the Two Rivers Parcel. The Eagle County Project Manager will issue a separate Notice to Proceed with the Construction Services for each of the two components of the Work. Contractor will commence Work with the applicable component of the Project within two (2) days of the County's issuance of a Notice to Proceed for the applicable component of Work. Once a Notice to Proceed has been issued, Contractor will complete the Work in a diligent and expeditious manner and shall achieve Substantial Completion of the Project on or before May 31, 2012, or forty (40) calendar days of the date field construction has commenced, whichever is earlier. Final completion of the Work in accordance with paragraphs 20 and 21(including subparts) of the General Conditions shall be achieved by Contractor within nine (9) calendar days after Substantial Completion. 3.3 Before a Notice to Proceed can be issued, County shall obtain a building permit from the Eagle County Building Department. ARTICLE 4 — CONTRACT PRICE 4.1 For Work on the State Bridge component of the Project, County shall pay Contractor for the Construction Services in current funds, based on the unit prices in 2 Exhibit A, a sum not to exceed one hundred eighty seven thousand seventy two19 /100 dollars ($187,072.19) in accordance with Contractor's Bid Form based on the Unit Prices dated March 26, 2012, (including alternates 1A, 2A, 3A, 4A, 5A, 6A, 7A) attached hereto as Exhibit A -1 and incorporated herein by this reference. Contractor shall not be entitled to overtime or other costs and Contractor acknowledges that the compensation for the State Bridge component of the Work hereunder shall not exceed the amount set forth in this paragraph 4.1. 4.2 For Work on the Two Bridges component of the Project, County shall pay Contractor for the Construction Services, in current funds, based on the unit prices in Exhibit A, a sum not to exceed one hundred sixty four thousand eight hundred eleven and 80/100 dollars ($164,811.80) in accordance with Contractor's Bid Form based on the Unit Prices dated March 26, 2012, attached hereto as Exhibit A -2 and incorporated herein by this reference. Contractor shall not be entitled to overtime or other costs and Contractor acknowledges that the full compensation for the Two Bridges component of the Work hereunder shall not exceed the amount set forth in this paragraph 4.2. ARTICLE 5 — PAYMENT PROCEDURES 5.1 Contractor shall submit applications for payment in accordance with paragraph 18 of the General Conditions. The Contractor shall submit applications for payment and all back -up material (e.g. Subcontractor's invoices, vendor statements and receipts) as shall be reasonably required in accordance with the General Conditions. Applications for payment will be processed by the Project Manager as provided in the General Conditions. The application for payment shall list all general and sub -trade divisions with each division clearly showing the total construction cost and all increments for monthly payment requests for labor and materials and all monthly reconciliation totals for each division. The application shall also include a summary of all current changes to the contract through approved Change Orders and the cost impact for these changes. 5.2 PROGRESS PAYMENTS: County shall make monthly progress payments on account of the Contract Price on the basis of Contractor's applications for payments as recommended by the Project Manager, as provided below. All progress payments will be on the basis of the progress of the Work. County shall have the right to request and inspect supporting documentation for progress payments, including but not limited to receipts and invoices evidencing payments of charges associated with the Work. 5.2.1 Progress Payments will be in an amount equal to: Ninety -five percent of the calculated value of Work completed and materials and equipment not yet incorporated in the Work but delivered and suitably stored Less in each case the aggregate of payments previously made. The withheld percentage of the Contract Price may be retained until the Work is completed satisfactorily and finally accepted by County as provided for herein. 3 5.3 FINAL PAYMENT: Except as provided in section 5.4 of this Agreement, within sixty (60) days of completion and acceptance of the Work by County in accordance with the General Conditions, County shall pay the remainder of the Contract Price as recommended by Project Manager as provided in paragraphs 20 and 21(including sub- parts) of the General Conditions. The final payment shall not be made until after final settlement of this contract has been duly advertised at least ten days prior to such final payment by publication of notice thereof at least twice in a public newspaper of general circulation published in Eagle County, and the ECAT Board has held a public hearing, thereupon and complied with C.R.S. § 38 -26 -107, as amended. Final payment shall be made in accordance with the requirements of aforesaid statute. 5.4 County may withhold from any payments due to Contractor, to such extent as may be necessary to protect the County from loss, because of defective work or material not remedied or the failure of Contractor to carry out the Scope of Work in accordance with this Agreement. ARTICLE 6 — CONTRACTOR'S REPRESENTATIONS In order to induce County to enter into this Agreement, Contractor makes the following representations: 6.1 Contractor has familiarized himself with the nature and extent of the Contract Documents, Work, locality, and with all local conditions, and federal, state, and local laws, ordinances, rules and regulations that may, in any manner, affect cost, progress, or performance of the Work. 6.2 Contractor has studied carefully all reports of investigations and tests of subsurface and latent physical conditions at the site or otherwise affecting cost, progress, or performance of the Work which were relied upon by Project Manager in the preparation of the plans and specifications as shown in Exhibit B. 6.3 Contractor has made, or caused to be made, examinations, investigations, and tests and studies of such reports and related data in addition to those referred to herein as he deems necessary for the performance of the Work at the contract price, within the contract time, and in accordance with other terms and conditions of the Contract Documents; and no additional examinations, investigations, tests, reports, or similar data are, or will be required by Contractor for such purposes. 6.4 Contractor has correlated the results of all such observations, examinations, investigations, tests, reports, and data with the terms and conditions of the Contract Documents. 6.5 Contractor has given Project Manager written notice of all conflicts, errors, or discrepancies that he has discovered in the Contract Documents and the written resolution 4 thereof by Project Manager is acceptable to Contractor. ARTICLE 7 — CONTRACT DOCUMENTS The Contract Documents which comprise the entire Agreement, made a part hereof, and consist of the following: 7.1 This Agreement. 7.2 General Conditions. 7.3 Contractor's Bid Forms dated March 26, 2012 which are attached hereto and incorporated herein as Exhibit A -1 and Exhibit A -2. 7.4 Eagle County State Bridge and Two Bridges Open Space Improvement Drawings and Specifications issued by Menendez Architects, Marcin Engineering and River Restoration Sheets Dated March 2012, including any Addendum that may be issued thereafter, which are collectively attached hereto and incorporated herein as Exhibit B. 7.5 There are no Contract Documents other than those listed above in this Article 7. The Contract Documents may only be altered, amended, or repealed by a Change Order or Modification (as defined in the General Conditions). 7.6 The intent of the Contract Documents is to include all items, components and services necessary for the proper execution and completion of all the Work outlined in paragraph 1.1 of this Agreement. The Contract Documents are complementary, and what is required by any one shall be as binding as if required by all. Words and abbreviations which have well known technical or trade meanings are used in the Contract Documents in accordance with such recognized meanings. The Contract Documents are listed in order of priority. If a conflict exists in the terms of any of the Contract Documents, the document with a higher priority shall control. ARTICLE 8 — MISCELLANEOUS 8.1 No assignment by a party hereto of any rights under, or interests in the Contract Documents will be binding on another party hereto without the written consent of the party sought to be bound; and specifically, but without limitation, moneys that may become due and moneys that are due may not be assigned without such consent (except to the extent that the effect of this restriction may be limited by law), and unless specifically stated to the contrary in any written consent to an assignment, no assignment will release or discharge the assignor from any duty or responsibility under the Contract Documents. 8.2 County and Contractor each binds itself, its partners, successors, assigns and legal representatives to the other party hereto, in respect to all covenants, agreements, and 5 obligations contained in the Contract Documents. 8.3 Notwithstanding anything to the contrary contained in this Agreement, Eagle County shall have no obligations under this Agreement after, nor shall any payments be made to Contractor in respect of any period after December 31, 2012 without an appropriation therefore by County in accordance with a budget adopted by the Board of County Commissioners in compliance with Article 25, Title 30 of the Colorado Revised Statutes, the Local Government Budget Law (C.R.S. § 29 -1 -101 et seq.) and the TABOR Amendment (Colorado Constitution, Article X, Sec. 20). 8.4 Contractor shall comply with the following provisions mandated by C.R.S. § 8- 17.5 -101 et seq. PROHIBITIONS ON PUBLIC CONTRACT FOR SERVICES: If Contractor has any employees or subcontractors, Contractor shall comply with C.R.S. § 8 -17.5 -101, et seq., regarding Illegal Aliens — Public Contracts for Services, and this Contract. By execution of this Contract, Contractor certifies that it does not knowingly employ or contract with an illegal alien who will perform under this Contract and that Contractor will participate in the E- verify Program or other Department of Labor and Employment program ( "Department Program ") in order to confirm the eligibility of all employees who are newly hired for employment to perform work under this Contract. 8.4.1. Contractor shall not: i) Knowingly employ or contract with an illegal alien to perform work under this contract for services; or ii) Enter into a contract with a subcontractor that fails to certify to the Contractor that the subcontractor shall not knowingly employ or contract with an illegal alien to perform work under the public contract for services. 8.4.2. Contractor has confirmed the employment eligibility of all employees who are newly hired for employment to perform work under this Contract through participation in the E- verify Program or Department Program, as administered by the United States Department of Homeland Security. Information on applying for the E- verify program can be found at: http:// www .dhs.gov /xprevprot/programs /gc 1185221678150.shtm 8.4.3. The Contractor shall not use either the E- verify program or other Department Program procedures to undertake pre - employment screening of job applicants while the public contract for services is being performed. 8.4.4. If the Contractor obtains actual knowledge that a subcontractor performing work under the public contract for services knowingly employs or contracts with an illegal alien, the Contractor shall be required to: 6 i) Notify the subcontractor and the County within three days that the Contractor has actual knowledge that the subcontractor is employing or contracting with an illegal alien; and ii) Terminate the subcontract with the subcontractor if within three days of receiving the notice required pursuant to subparagraph (i) of the paragraph (D) the subcontractor does not stop employing or contracting with the illegal alien; except that the Contractor shall not terminate the contract with the subcontractor if during such three days the subcontractor provides information to establish that the subcontractor has not knowingly employed or contracted with an illegal alien. 8.4.5. The Contractor shall comply with any reasonable request by the Department of Labor and Employment made in the course of an investigation that the department is undertaking pursuant to its authority established in C.R.S. § 8- 17.5 - 102(5). 8.4.6. If a Contractor violates these prohibitions, the County may terminate the contract for a breach of the contract. If the contract is so terminated specifically for a breach of this provision of this Contract, the Contractor shall be liable for actual and consequential damages to the County as required by law. 8.4.7. The County will notify the office of the Colorado Secretary of State if Contractor violates this provision of this Contract and the County terminates the Contract for such breach. 8.5 In the event of litigation between the parties hereto regarding the interpretation of this Agreement, or the obligations, duties or rights of the parties hereunder, or if suit otherwise is brought in law or in equity to recover damages for breach of this Agreement, or an action in tort or an action be brought for injunction or specific performance, then and in such events, the prevailing party shall recover all reasonable costs incurred with regard to such litigation, including reasonable attorney's fees. 8.6 At all times during the term of this Agreement, Contractor shall maintain insurance on its own behalf in the minimum amounts required by paragraph 14 of the General Conditions. 8.7 Contractor shall require each subcontractor to be bound by the terms of the Contract Documents. All Work performed by a subcontractor shall be pursuant to the appropriate written agreement in accordance with the requirements of the Contract Documents. ARTICLE 9 - JURISDICTION AND VENUE 7 9.1 This Agreement shall be interpreted in accordance with the laws of the State of Colorado and the parties hereby agree to submit to the jurisdiction of the courts thereof. Venue shall be in the Fifth Judicial District for the State of Colorado. ARTICLE 10 - INDEMNIFICATION 10.1 The Contractor shall, to the fullest extent permitted by law, indemnify and hold harmless County and any of its officers, agents and employees against any losses, claims, damages or liabilities for which County or any of its officers, agents, or employees may become subject to, insofar as any such losses, claims, damages or liabilities arise out of, directly or indirectly, this Agreement, or are based upon any performance or nonperformance by Contractor hereunder or any subcontractor or anyone directly or indirectly employed by any of them or anyone for whose acts any of them may be liable, regardless of whether or not it is caused in part by a party indemnified hereunder; and Contractor shall reimburse County for any and all legal and other expenses including attorney fees incurred by County in connection with investigating or defending any such loss, claim, damage, liability or action. This indemnification shall not apply to claims by third parties against the County to the extent that the County is solely liable to such third party for such claim. This Article shall survive termination of this Agreement. ARTICLE 11 - TERMINATION 11.1 County may terminate this Agreement, in whole or in part, for any reason, at any time, with or without cause. Any such termination shall be effected by delivery to Contractor of a written notice of termination specifying the date upon which termination becomes effective. Upon termination, Contractor shall deliver all redlined drawings and other illustrations, photos or documents entirely or partially completed, whether in electronic form or otherwise, together with all material supplied by Contractor or by County. In such event, Contractor shall be compensated for all Work satisfactorily completed up to the date of termination. Final payment, subject to the requirements of Article 5 of this Agreement, will be due within thirty (30) days after Contractor has delivered the last of the documents or records due the County. ARTICLE 12 - OWNERSHIP OF DOCUMENTS 12.1 All documents (including electronic files) which are obtained during or wholly or partially prepared in the performance of the Work shall remain the property of the County and are to be delivered to County before final payment is made to Contractor or upon earlier termination of this Agreement. ARTICLE 13 — NOTICE 13.1 Any notice required under this Agreement shall be personally delivered, mailed in the United States mail, first class postage prepaid, or sent via facsimile provided an original is also promptly delivered to the appropriate party at the following addresses: 8 The County:Eagle County Project Management Rick Ullom, Construction Manager P.O. Box 850 Eagle, Colorado 81631 970) 328 -8881 (p) 970) 328 -8899 (f) and a copy to:Eagle County Attorney P.O. Box 850 Eagle, Colorado 81631 970) 328 -8685 (p) 970) 328 -8699 (0 The Contractor:Oldcastle SW Group, Inc DBA B &B Excavating Chip Bair P.O. Box 4870 Eagle CO 81631 970) 328 -1734 (p) 970) 328 -1735 (0 Notices shall be deemed given on the date of delivery; on the date a FAX is transmitted and confirmed received or, if transmitted after normal business hours, on the next business day after transmission, provided that a paper copy is mailed the same date; or three days after the date of deposit, first class postage prepaid, in an official depositary of the U.S. Postal Service. ARTICLE 14 — INDEPENDENT CONTRACTOR 14.1 It is expressly acknowledged and understood by the parties hereto that nothing contained in this Agreement shall result in, or be construed as establishing an employment relationship. Contractor shall be, and shall perform as, an independent contractor. No technician, agent, subcontractor, employee, or servant of Contractor shall be, or shall be deemed to be, the employee, agent or servant of County. Contractor shall be solely and entirely responsible for its acts and for the acts of its subcontractors, technicians, agents, employees, and servants during the performance of this agreement. Contractor shall not represent, act, purport to act or be deemed the agent, representative, employee or servant of County. THE REMAINDER OF THIS PAGE LEFT BLANK INTENTIONALLY. SIGNATURE PAGE FOLLOWS. /// 9 IN WITNESS WHEREOF, the parties hereto have signed this Agreement in triplicate on the day and year first set forth above. One counterpart each has been delivered to County, Contractor and Project Manager. All portions of the Contract Documents have been signed or identified by County and Contractor. EAGLE COUNTY, S E OF j L • ' DO, By: eter Runyon, Chairman ATTEST: Of "04 7 dor 1 Teak Simonton c; Clerk to the Boar.04ADo 0111111111111111.11 14 " CONTRACTOR: Ol dcastl a SW Group, Inc., dba B & B xcavating By: Name: Kyle Alpha Title: General Manager STATE OF COLORADO ) SS COUNTY OF EAGLE The foregoing instrument was ac dged before me by LA,, @ as of o c C S r. s W ct,coul c. Inc. on this day ofovwrc.1 V L\ap ..c.r,c1 Ana : t3 Q . xc,o uor, r,h ,t1 y t 2012. My commission expires: 3 'Z I S 1.0) or.at 31-1C Notary Public p: 443 /PA.Z: 10 GENERAL CONDITIONS 1 11 EXHIBIT A CONTRACTOR'S BID FORM II 12 g 8 8 88 8 8 8 8 8 0 8 o. 8 8 8 N m w M w w w dfC . pp 8 8 8 8 8 8 8 a 8 8 8 8 8 8 G 4 d g h a y bi l l ti g a O R C8 y f! 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I -, I 1 1 a 4 EYl 3 1 1 1 . 8 2 Z e m K1 it 3 13 0 3 EXHIBIT B DRAWINGS AND SPECIFICATIONS FOR EAGLE COUNTY STATE BRIDGE AND TWO BRIDGES OPEN SPACE IMPROVEMENTS PREPARED BY MENENDEZ ARCHITECT, MARCIN ENGINEERING AND RIVER RESTORATION DATED MARCH 2012 it 13 CCRIVERCONSTRUCTIONSPECIFICATIONSStateBridgeColoradoRiverBoatLaunchEagleCounty,ColoradoColoradoRiverDRAFTMarch8,2012OWNER:EagleCountyOpenSpaceENGINEER:RiverRestorationJasonCareyPEP.O.Box2123GlenwoodSprings,CO CCSECTION1SCOPEOFWORK1.01GENERALThescopeofthisProjectistoconstructaboatrampandassociatedpublicfacilitiesattheStateBridgeEagleCountyOpenSpace.SpecificationscontainedhereinareintendedsolelyfortheinstallationoftheboatrampintheColoradoRiverchannelatStateBridge,EagleCounty,CO.Thesespecificationsareforactivitiesbelowanelevationof6738.includingin-streamconstruction.ThisProjectisexpectedtohaveallin-streamconstructioncompletebyMay1st.2012.ThescopeofthisprojectistoconstructIboatrampwithfeaturesincluding:•IdentifyandmaintainerosioncontrolmeasuresandBMPs.•Protectin-placeparkandfacilities,allutilities,paths,parkinglots,allstructures,andallmaturetrees;•DivertandcarefortheColoradoRiver;•installapproximately22CYofConcreteSlabwithfilteredbacking;•Installapproximately24tonsofgranitebotildersforhydraulicstructure;•Installotherlandscapefeaturessuchas;steps,andriparianplantingsasspecified;•Installandenhance1400squarefeetofriparianstakes,poles,shrubsandseed;•Installapproximately1800squarefeetoferosioncontrolblanketswithtopsoilandseeding;•Hauloffanddisposeofapproximately250cubicyardsofunclassifiedexcavationremovedfromthechannelandbanksanddewateredasnecessary;and•Restoreconstructionstagingareasandaccessareastoequalorbetterthanconditionbeforeconstructionbegan;inaccordancewiththeseRiverConstructionSpecificationsandasshownontheProjectDrawings.ProjectDrawingsincludet3plates;Clisthecoverpage,C2-C5areconstructiondrawingsanddetailsforworknotincludedinthesespecifications,R1-R3areconstructiondrawingsforworkincltidedinthesespecifications,andD1-D5showassociateddetails.Exhibitsarealsoappended.ExhibitA:U.S.ArmyCorpsofEngineersNationWidePermit33and36TOBEADDED1.02KEYPROJECTPERSONNELCONTACTSReferencestotheOWNERaretoEagleCounty,Colorado.A.ThefollowingisalistofProjectstakeholdersandtheircontactinformation.CONTRACTORshallnotifyallstakeholders7dayspriortoconstruction:1.EagleCounty(OWNER)Mr.RickUllomEagleCounty,ConstructionManagerRCS-i CProjectManagementDepartmentOffice:970-328-8780Mobile:970-471-0439rick.ul1omeaglecounty.us2.Mr.JasonCarey,RIVERENGINEERRivetRestoration.org,LLC.P0Box2123GlenwoodSprings,CO$1602(970)389-5987(c)(970)947-9568(w)jason.careyriverrestoration.org3.ColoradoDivisionofWildlifeKendallRossBakichAquaticBiologist,Area850633Highway6&24GlenwoodSpringsCO81601P.970.947.2924F.970.947.29361.03CONTRACTORPRE-QUALIFICATIONSProspectivebiddersshallpre-qualifyasfollows:ACONTRACTORmustpossessadequatetenacity,perseverance,experience,integrity,reliability,capacity,facilities,equipment,andcredit.ThedeterminationofwhetheraCONTRACTORpossessesthesecriteriaisatthesolediscretionoftheOWNER.CONTRACTORshalldemonstraterecordofsuccessftilandtimelycompletionofriverworkawardedduringthelastfiveyears.CONTRACTORshallsubmitaStatementofQualifications(SOQ)thatdescribes3relevantprojectsofsimilarscopeandexperienceinRiverrelatedwork.Uptodateprojectownerreferencesshallbeincluded.TheSOQshalldemonstrateextensiveexperienceinthecareofnaturalriverflowsandBestManagementPracticesthatsignificantlyreduceenvironmentalimpactsassociatedwithconstruction.TheSOQshalldemonstratecompliancewith404,401anddewateringpermits.furthermore,experienceinconstructionthatwasperfori-nedinariverchannelandwithstoodsignificantriverflowisrequired.TheSOQshallidentifythekeypersonnelandallsubcontractorsthatshallperformwork.Pre-quatificationshallbedeliveredtotheOWNERonorbeforetheoptionalpre-bidmeeting,February27th2012at3:30pm.Latesubmissionswillnotbeconsidered.SECTION2GENERALCONSTRUCTIONMETHODS2.01PROJECTLIMITSRCS-2 CC.:AllconstructionactivityshallbeconfinedtotheProjectLimitsasdefinedonthePlans.ThesearepropertiesownedorleasedbyEagleCountyandbutmayincludeotherutilityeasementsorRightofWay.2.02PERMITSTheCONTRACTORshallcomplywithallconditionssetforthinallpermitsrequiredforthisproject.Requiredpermitsincludebutarenotlimitedto:U.S.ArmyCorpsofEngineersPermitEagleCountyfloodplainPermitCDPHEDewateringPermit2.03SITEINTEGRITYTheCONTRACTORisrequiredtodocumenttheconditionoftheUtilities,Facilities,ParkLandscape,ConstructionAccessAreasonthebanks,maturevegetationandthegeneralareawithvideorecordings,submittedtoENGINEERpriortoanyconstructionphaseandaftereachphaseofconstructioniscompleted.Thevideorecordingshalldoctimentthesurfaceintegrityofthestructureswithclearandrecognizablereferencefeaturesorestablishedandrepeatablereferencemarkersinthefieldofview.TheCONTRACTORisresponsibleforrehabilitating,repairingorreplacing,tobetterthanpre-constrtlctionconditions,anydamagetothestrticturesandvegetationdirectlyorindirectlyrelatedtoconstructionactivities.2.04UTILITIESCONTRACTORshallfield-locateandmarkallutilitieswithinoradjacenttotheProject.AnyutilitylocationsmarkedonplansareapproximateandactualfieldlocationofanyutilityiswhollytheresponsibilityoftheCONTRACTOR.CONTRACTORshallprotectinplaceallutilities.2.05TEMPORARYFACILITIESCONTRACTORshallprovidealltemporaryfacilitiesrequiredforperformingthework.TemporaryconstructionfacilitiesandutilityconnectionsaresolelytheCONTRACTORsresponsibilitybasedonhisselectedmethodofoperationandschedule.CONTRACTORisresponsibleforprovidingacleanandsafeenvironmentforallworkersonthejobsite.CONTRACTORisresponsibleforprovidingsanitaryfacilities.CONTRACTORshallfollowOccupationalSafetyandHealthAdministrationregulations.CONTRACTORisresponsibleforprovidingallelectrical,waterandutilityneeds.CONTRACTORshallkeeptheProjectLimitsinaneatandorderlymanner.CONTRACTORisresponsibleforremovingtemporaryfacilitiesandcontrolsaftercompletionofallWork.RCS-3 02.05.A.StagingAreas.StagingAreasshallbedefinedonthePlans.Allconstructionstaging,stockpilingofmaterials,equipmentstorage,andother,shalltakeplaceindesignatedareaswithadequatebarrierstoprotectthepublicfromentry.Stagingareasshallhaveadesignatedofficeorcontactinformationpostedforpublicinquires.Stagingareasshallprovideemployeesallnecessaryfacilities,legalpostings,andsafetyprotocol.TheCONTRACTORisresponsibleformaintainingacleanandorganizedstagingarea.2.05.B.DewateringAreas.Constructionactivitiesareanticipatedtoproducecleanfillmaterials,aswellassomeotherwastematerials.Allexcessmaterialsproducedbyconstructionactivitiesshallbeproperlydisposed.DewateringareasshallhaveadequateBMPsinplacetostockpilematerialpriortodisposal.DewateringareasmayalsobeconfiguredtoincludeaWashoutAreaforconcretepours.Poursshallnotbeconductedduringorbeforeananticipatedstormevent.Allexcessconcreteandconcretewashoutslurriesfromtheconcretemixertrucksandchutesshallbedischargedoffsite,ortemporarilyintoawashoutareadesignatedinanunvegetateduplandandcompletelyisolatedfromstormwateranddrainage.Allconcreteresidueshallbehauledoff-siteandproperlydisposed.ReturningwaterfromdewateringareastosurfaceflowroutesmayrequireadewateringpermitfromtheCDPKEandiswhollytheresponsibilityoftheCONTRACTOR.2.05.C.OilingAreas.Anyandallfuelingandoilingofequipmentshallbeindesignateduplandlocations,withadequateBMPstocontainanypotentialspill.Allmajorequipment/vehiclemaintenanceshallbeperformedoff-site.Fueltankmaybekepton-siteinthestagingareawithdrippansunderneaththefuelingarea.Allequipmentfluidsgeneratedfrommaintenanceactivitiesshallbedisposedofintodesignateddrumsstoredonspillpalletsinaccordancewithhazardouswastemanagementpractices.Drippansshallbeplacedtinderallequipmentreceivingminororroutinemaintenance.ASpillCleanupPlaniswhollytheresponsibilityoftheCONTRACTORandshallbepostedandavailableatalltimesonsiteforallworkareaspriortoanyconstructionactivitiesandshallincludecoordinationwithlocalemergencyresponseagencies.Areleaseofanychemical,oil,petroleumproduct,sewage,etc.,whichmayenterwatersoftheStateofColorado(whichincludesurfacewater,groundwateranddrygulliesorstormsewersleadingtosurfacewater)shallbereportedtotheColoradoDepartmentofPublicHealthandEnvironmentimmediately(25-8-601CRS)andformhttp://www.cdphe.state.co.us/hm/spillselfreportform.pdfand/orToll-Free24-hourEnvironmentalEmergencySpillReportingLine1-877-518-5608maybeused.WrittennotificationtotheDepartmentshallfollowwithinfive(5)days(5CCR1002-61,Section61.8(5)(d)).ReleasesofpetroleumproductsandcertainhazardoussubstanceslistedundertheFederalCleanWaterAct(40CFRPart116)mustbereportedtotheNationalResponseCenteraswellastoColoradoDepartmentofPublicHealthandEnvironmentasrequiredundertheCleanWaterActandtheOilPollutionAct.furthermore,contactmustbemadeimmediately,reportinganyspillincident,withtheEagleCountyDepartmentofPublicHealth,theOWNERandENGINEER.2.05.D.HaulingRoutes.Theimportandexportofmaterialsfromtheprojectlimitsshalloccuratdesignatedlocationsondefinedhaulroutes.Haulroutesshallbegradedandmaintainedtodrainandnotpoolwater.HaulroutesshallhavewheelwashinglocationsandtrackingpadsatRCS-4 CCthejunctionofpavedsurfaces.HaulroutesshallalsobeflaggedbytheCONTRACTORwithintheProjectLimitsandrandomaccessofequipmentshallbeprevented.Adequatedustsuppression,suchaswateringofhaulroutes,shallbemaintainedatalltimes.2.05.E.ChannelAccessAreas.CONTRACTORshallbetesponsiblefordesignatingandmaintainingchannelaccesssitesforequipmentandworkerswithinProjectLimitsdefinedonplansandforrehabilitatingaccesssitesonceconstructioniscomplete.Randomormultiplechannelaccessareasshallnotbeused.GravelbermsshallbeinstalledatthetopoftheaccessrampandotherareastoeliminatesheetflowordrainageontotheexposedordisturbedRiverbanks.Asiltbarriershallbeerectedalongthetoeofanyandallout-of-channelopencutstoeliminatethemigrationofmaterialoutsideofthelimitsofwork.StrawBalesshallbeusedatthetoeoftherampwhentheaccessisnotinusetopreventthemigrationofmaterialintotheArkansasRiver.2.06CONSTRUCTIONSTAKINGTheOWNERshallprovideadequatehorizontalandverticalcontrolpointsfortheCONTRACTORtoestablishthelinesandgradesshownontheplans.TheOWNERshallprovideinitialconstructionstaking.GradeelevationsandadditionalconstructionstakingshallbewhollytheresponsibilityoftheCONTRACTOR.EstablishedcontrolpointsshallbeprovidedwithspecialcoloredflagginganditshallbetheresponsibilityoftheCONTRACTORtoprotectthosecontrolpoints.Intheeventtheyarelost.duetoanycause,theCONTRACTORshallre-establishadequateandpermanentcontrolmarkers.2.07SITEGRADINGCONTRACTORshallestablishandidentifyrequiredlines,levels,contoursanddatum.GradeSitetomatchalllines,elevationsandgradesshownontheProjectDrawings.2M8ACCEPTABLEASBUILTELEVATIONVARIATIONS(feet)AverageElevationsacrosseachCross-SectionshallbeexactandconformwithEagleCountyFloodplainregulationsandanyStateofColoradoapplicableregulations.Withnaturalbuildingmaterialsvariancesareexpectedandshallbeallowedforaveragelocationsofindividtialparticles.ThefollowingAs-BLIiltVariancesareallowed.Table1.AcceptableAs-BuiltVariancesforAverageLocationsofIndividualParticles(feet)DescriptionVarianceVarianceElevationHorizontalTopofTerracing+O.2;-O.2+/-1.0bankalignmentTopofBoulder+O.5;-0.5±1-2.0bankalignmentTopofconcrete+0.05;-O.05+/-0.2bankalignmentRCS-5 CC2.09UTILIZINGIN-CHANNELMATERIALSCleanNativeAlluviumthatisexcavatedforstructureplacementandistobebackfilledinthechannelmaybeutilizedinchannelastemporarycofferdamsorotherwatercontrolpractices.ExposedAlluviumresultinginnoticeabledownstreamturbidityshallbeisolatedfromtheflowofthechannel.Excavatedcleannativealluvium,bouldersandcleanbedrockmaybeallowedtobebackuilledinthechannelaroundstructureswithinthelimitsofexcavationasdefinedinplans.Allotherexcavatedmaterialincludingfinesandbankmaterialshallnotbeplacedinanyflowpath,shallbeproperlydisposedofinuplandareaandshallhaveappropriateerosioncontrolmeastiresinplace.Allin-streamstructuresshallbeconstructedinsectionssizedtominimizeopenexcavationarea.Eachdayofworkshallbeacompletedworkandnoexcavationsofthebankorstreambedshallbeleftopen.2.10COFFERDAMControloftheRiverstageduringconstructioniswhollytheresponsibilityoftheCONTRACTOR.Bouldersandgradingofcleannativealluviummaybeperformedinthewetchannel.However,anyandallwetcementworkshallbeisolatedfromtheflowoftheRiver.forIn-StreamBoulderPlacement,itisbyCONTRACTORSdiscretionwhethertohaveadiversionandofwhattype.Inadditiontocontrollingthestageoftheriver,seepageandgroundwaterwilllikelyrequireadditionalcontrolmethodssuchaspumping,sandbagging,impermeablemembranesandjerseybarriers.TheCONTRACTORshallbewhollyresponsiblefortheselectionofsuitablemethod(s),andfordesign,installation,andoperationofthediversionandcareoftheriverrequiredduringtheperformanceoftheworkunderthesespecifications.TheCONTRACTORisrequiredtodesignandinstalladequatediversionandcareofwaterfacilitiesinatimelyfashioninaccordancewithhis/herscheduleofconstructionandtherequirementsofthesespecifications.FailureoftheCONTRACTORtobecomeadequatelyfamiliarwithandaddresstheexistingstructuresandriverconditionswhichimpacttheworkmayresultinunnecessaryconstructiondelaysandassociatedincreasedcostsforwhichtheCONTRACTORshallbesolelyresponsible.PumpingandrettirningofcofferedwatermayrequireadewateringpermitfromtheCDPHEandiswhollytheresponsibilityoftheCONTRACTOR.2.11TRAFFICCONTROLPLANCONTRACTORshallsubmitaTrafficControlPlan,toincludetheRoads,ParkingAreas,ParkAreaandPathsandRiver,tobeapprovedbyEagleCounty.NoconstructionactivitiesshallimpedepublictrafficpatternspriortowrittenapprovalfromEagleCounty.TheTrafficControlPlanshallbesubmittedtoEagleCountyforapprovalwith7daysnoticeforreview.IfCONTRACTORshowsthatitisnecessarytocloseanyPaths,Roadsorre-routetraffic,EagleCountyshallworkwithCONTRACTORtoapproveareasonablealternativeroute.RCS-6 CSECTION3BESTMANAGEMENTPRACTICES3.01GENERALTheWorkcoveredbythissectionincludesthefurnishingofalllabor.materials,equipmentandincidentalsforinstallationandmaintenanceofallonshoreandin-channelBMPs.WithintheProjectLimitsalldisturbedsurfacesshallutilizebestmanagementpracticessuchasTurbidityCurtains,SiltFences,ConstructionSequencing,CareofWater,etc.;tominimizepotentialenvironmentaldamage,turbidconditions,locationsofponding.sedimentloadinginanyflowpath,dust,noise,light,etc.Adequatenumbers,locationsandproperlyfunctioningBMPsanderosioncontrolarewhollytheresponsibilityoftheCONTRACTOR.CONTRACTORisresponsibleformaintainingallBMPsduringconstructionactivities,andfortheremovalpostconstructionactivitiesand/oradequatestabilizationperiods.TheENGINEERmaystopworkinanyareaduetoimproperlyinstalled,inadequate,ornon-functioningBMP’s.3.02CHANNELACCESSStoneBermsshallbeinstalledatthetopoftheaccessrampandotherareastoeliminatesheetflowordrainageontotheexposedordisturbedbanks.Asiltbarriershallbeerectedalongthetoeofanyandallout-of-channelopencutstoeliminatethemigrationofmaterialoutsideofthelimitsofwork.StrawBalesshallbeusedatthetoeoftherampwhentheaccessisnotinusetopreventthemigrationofmaterialintothebodyofwater.3.03CONSTRUCTIONSEQUENCINGPriortostartingconstruction,theCONTRACTORshallnotifytheENGINEERandtheOWNERofthedatetheCONTRACTORintendstostartconstructionwithawrittennoticedeliveredaminimum7daysinadvance.ThesequenceofthecriticalconstrtictionprocessesaredefinedbytheENGINEERandCONTRACTORshallfollowthesequence.I.INITIALSITESETUPI.NotifyEagleCountyandENGINEERofstartdateasrequired.2.Documentwithphotographsandvideotheprojectvicinity,structuresandvegetationandsubmittoENGINEER.3.SubmitDiversionPlanandmethodstoENGINEER.4.Establishandpost,constructionsitesafetyprotocol.5.PlaceBarriers,PostSigns,InstallSafetyFencingandIsolateProjectSite.6.Locateinfield,allUtilities.7.ProtectinPlaceBridges,Utilities,Boulders,Treesandother.8.LocateandflagProjectLimits.9.Locateconstructionstagingandstockpileareas.10.Installoilboomsacrosswetchanneldownstreamofworkarea,replaceusedoilboomspermanufacturersspecifications.RCS-7 CC11.LocateareaforstorageofspareoilboomsanddesignateoilingandpetroleumhandlingareaswithappropriateandadequateBMPsoutsideoftheriparianzone.12.Establishandpostprotocolforpotentialoilspillcleanupandemergencyresponse.II.STAGING1.Installtemporaryportabletoilet2.ImplementCountyapprovedTrafficControlPlan.3.InstallBMPsi.Controlerosionandconcentratedrunoffii.MaintainandfacilitateanyandallexistingDrainageChannelsiii.IdentifyandinstallanyotherBMPsasnecessary4.Trimbackbrushonaccessslopes5.ProtectinPlaceMatureTrees6.LocateandProtectinPlaceSurveyControl7.GradeAccessandStagingAreas8.Maintain,addandrepairBMPstructuresasnecessarythroughoutprojectIII.IN-CHANNELSTRUCTURECONSTRUCTIONAllconstructionactivitiesshallfollowU.S.ArmyCorpsofEngineersPermitConditions.In-streamworkshallbeperformedduringlowwaterperiods.Priortoconstructionactivities.BestManagementPractices(BMPs)shallbeinplaceinordertominimizeturbidityandsedimentation,aswellaspreventpollutionandthepotentialreleaseofcontaminantstiornequipment.Constructionactivitiesshallbesequencedandsizedtominimizetemporaryimpactstoflowingwater.1.Stakeoutgrades,lines,offsetsandspotelevationsasnecessary.2.InstallallBMP’sasperplansandspecs.3.Stagepumpwithsedimentfilterandadequatehoselengthtoremovecontaminantsbeforereturnflow.4.Installturbiditycurtains;5.Installtemporarycoffersasnecessary;6.Completeconstructionofin-channelstructtires;7.Removetemporarycoffers;8.Gradeandstabilizebanks;9.Completeconstructionofallbankstructures;10.Removeturbiditycurtainsandcoffers;11.Backfillaroundstructuresandin-streamboulderstospecifiedelevations;12.Installcottonwoodpoles;13.Removeallexcessmaterialsfromchannel;14.RemoveallremainingBMP’s&omchannel;15.Removeturbiditycurtains;16.Restoreaccessramp17.Removeanddisposeoffiltersasrequired.RCS-8 CC18.Re-vegetatealldisturbedsoilswithnativeerosioncontrolgrassesanderosioncontrolblanketsperplansandspecifications.19.IdentifyandinstallanyotherBMP’sasnecessarytocontrolerosionfromdisturbedareas,constructedstructuresandpotentialstormwaterrunoff.IV.FINALSITERESTORATION1.Removewatercontrolstructures2.Plantremainingstream-bankriparianvegetationareas3.Disposeofanyexcessmaterialsataqualifieddisposalfacility4.RestoreTemporaryEquipmentandHaulRoutestooriginalgradeandvegetation5.Removeallmaterialsfromstagingareas6.Re-gradeorrepairstagingareastopre-constructioncondition7.IdentifyandinstallBMPsdown-gradientfromalldisturbedareasuntilestablishmentofvegetation(approx.Iyr)8.Removeallwastematerials9.Removeutilitiesprotection10.Removetemporarysigns,barriersandsafetyfencingII.Repairdamagetoanyadjacentproperty,structuresorvegetation.12.EstablisherosioncontrolgrassesinalldisturbedareasabovetheOrdinaryHighWaterLine.13.Removenon-biodegradableBMPsaftertheestablishmentofvegetation(approximatelyIyear).3.04EQUIPMENTOPERATINGINWETCHANNELSEquipmentmaybeallowedtooperateinthewetchannels.Equipmentoperatinginoradjacenttoanywetchannelsshallbefreeofanyfluidleaksandinexcellentoperatingcondition.Biodegradablehydraulicfluidsshallbeutilizedforanyequipmentoperatingintheflowingriverchannel.CONTRACTORshallsubmitalistofequipmentoperatingwithcertifiedbiodegradablehydraulicfluidstotheEngineerpriortouseoftheequipmentintheflowingchannel.NoequipmentshallbeleftunattendedatanytimeinanywetchannelorbelowtheOrdinaryHighWaterLine.Anyandallfuelingandoilingofequipmentshallbeinadesignateduplandlocation,withadequateBMPstocontainanypotentialspill.Allequipmentshallbecleanedpriortodeliverytotheprojectareatominimizepotentialforspreadingofinvasivespecies.Equipmentshallbepower-sprayedandfreeofweeds.IfanyequipmentbeingusedfortheProjecthasbeenpreviouslyworkinginanotherstream,river,lake,pondorwetland,oneofthefollowingdisinfectionpracticesisnecessarypriortoconstructiontopreventthespreadofwhirlingdisease,NewZealandmudsnails,zebramussels,didymosphenia,andotheraquatichitchhikers.Thesepracticesarealsonecessaryafterprojectcompletion,priortotheequipmentbeingusedinanotherstream,river,lake,pond,orwetland,forthesamepurpose:RCS-9 CRemoveallmudanddebrisfromequipment(tracks,turrets,buckets,drags,teeth,handtools,boots,ect.)andspray/soakequipmentina1:15soltitionofSparquatinstitutionalcleanerandwater.Keepequipmentmoistforatleast10minutes;orRemoveallmudanddebrisfromequipment(tracks,turrets,buckets,drags,teeth,handtools,boots,ect.)andspray/soakequipmentwithwatergreaterthan140degreesFahrenheitforatleast10minutes.Theexcavatorsandbackhoesmayperiodicallyneedtobecleanedonsitetoremoveexcesslocalsedimentsstucktothettackorhoes.Sedimentsthatareremovedwithashovelshallbeplacedindesignatedcleanfillmaterialstorageareas.Sedimentsremovedwithcleanwatershallbewashedintothedewateringarea.Alldewateringareasshallhaveerosioncontrollogsstakedatflowlinesbeforedischargeintoanyflowpath.3.05OILBOOMAnadequatenumberofoilboomSPC5510manufacturedbySPC(http://www.sorbentproducts.com)orequivalentshallbeplacedinadesignatedlocationonsite,visibleandunobstructedatalltimes.AnyspillsshallbecontainedandcleanedbytheCONTRACTOR.OilboomsshallbeinstalledacrossthechannelatthedownstreamendoftheProjectLimitsatalltimesequipmentisworkinginthewet.AllBoomsshallbereplacedasneeded,approximatelyweeklywithnewOilBooms.3.06PERMEABLETURBIDITYBARRIERAllexposedbankexcavationsanddisturbancesshallbeseparatedfromthemainflowoftheriverbyaPermeableTurbidityCurtain.Theturbiditycurtainshallhaveanon-woven8oznon-wovenfilterfabricforatleast50%ofthecurtainareabetweenthefloatandtheballast.3.07STRAWBALESStrawBalesshallbecertified“Weed-Free”andnothaybales.Balesshallbesecuredwithwoodormetalstakesdriven2feetintoground.4inchesof3inchminuswashedgravelshallbeplacedontheup-gradienttoeofthebales.Balescanberemovedwhenvegetationisestablished.(SeeDetailDrawing)3.0$SILTFENCESiltFencesshallbeplacedtocontainconstructionactivitiesonland.SiltFenceshallbeconstructedwith4oz.NonWovenMirafiorequivalent,witha6inchby6inchanchortrenchupgrade(ieuphill)ofthefencelineandfencepostsin6ftcenters.Theanchortrenchshallbebackfilledtoexistinggradewithnativematerialcompactedto95%ofmaximumasdeterminedbytheStandardProctorMethod(ASTMD-698-66TorAASHTOT99).(SeeDetailDra\iing)RCS-l0 CC3.09FILTERINGOFPUMPTEDWATERAnypumpedwaterbeingreturnedtothemainflowoftheriverorotherdrainageshallfirstbeprocessedthroughaFilterorsettledinadewateringarea.Turbidwatersthatarecleanofcontainmentsorconcreteresidueshallbefilteredtopreventexcessiveturbidity.Waterswithcontaminantsorconcreteresidueshallbefilteredcleanbeforereturningtothenaturalflowpaths.3.10REMOVALOFBMPsAllBMPsbelowtheOrdinaryHighWaterLinearetoberemovedpriortothecompletionofthework.AllBMPsabovetheOrdinaryHighWaterLinearetoremaininplaceuntiltheestablishmentofvegetation,approximatelyoneyear.Anynon-biodegradableBMPsshallberemovedaftertheestablishmentofvegetationcoveratleast70%,approximatelyoneyear.Allnon-biodegradableBMPsarethepropertyoftheCONTRACTOR.ThelocationsoftheBMPinstallationsshallbegraded,seededandrestoredtopreconstructionconditionsafterremoval.3.11RIPARIANPROTECTIONAnyandallriparianareasandriparianvegetationoutsideofthelimitsofexcavationshallbeprotectedinplace.Noconstructionsupplies,fuelsnoroilsshallbestoredinriparianareas,novehiclesnorheavyequipmentshallbeallowedintoriparianareasotherthanthedesignatedchannelaccesssites.Nodischargeofanymaterialsshallbeallowedintoanyriparianareas.Riparianareasshallbetraversedonlybyfootandleakfreehosesmaycrossriparianvegetation.Anyincidentallydisturbedriparianareasshallberestoredtobetterthanpre-constructionconditions.3.13MATURETREEPROTECTIONThepreservationofexistingmaturetreesisanimportantcomponentoftheworkandameasureofthesuccessfulcompletionthereofHealthyrootmassatthetoeoftheriverbanksisessentialtothestabilityoftheriverchannel.ThehealthymaturenativetreesthatareadjacenttoexcavatingactivitiesshallbeProtectedInPlace.TheworkshallincludethepreservationfrominjuryordefacementofallvegetationthatisNOTdesignatedforremovalbytheENGINEERinthefield.ENGINEERshallmarkalltreesandlargeshrubsapprovedforremovalpriortoexcavationwork.AreasoftreeremovalshallbedeterminedandmarkedincollaborationbetweentheCONTRACTORandtheENGINEER.a)CONTRACTORguaranteesthatcare,cautionandbestmanagementtechniquesareimplementedtomaximizethesurvivabilityofnativematuretreesnotdesignatedforremoval.b)AllProtectinPlacetreesshallhave100%successrate.showingvigorandgeneralhealth,foroneyearafterPIPmeasuresareconducted.c)Postconstructionmonitoringmayrecommendadditionalpruning,irrigation,orfertilizertorestorehealthtoadamagedtree.TheCONTRACTORisresponsibleforRCS-lI CCallmeasurestorestorethehealthoftreesforoneyearafterconstructiondisturbancesaroundprotect-in-palacetrees.d)Ifnegligenceresultsinpotentialmortalityoftrees,asdeterminedbytheENGINEER.theCONTRACTORshallreplacealldamagedtreeswithnewnativetreestoreclaimanequivalentcanopycoveratCONTRACTOR’ssoleexpense.Specialcareshallbeappliedwhenworkingunderdriplinesornearthetoeoftheriverbank.ThemajorityofcriticalrootsareexpectedtorunparalleltotheRiver.TheCONTRACTORshalltakegreatcarewhenanyearthdisturbingactivitiesbeneaththedriplineoftreesareconducted.ProtectinPlacematuretreesshallfollowthebelowguidelines:3.13.A.HandExcavationsunderthedripline.Underthedripline.orataminimumof10feetfromthebaseofaPIPTree,allnecessaryexcavatingactivitiesshallbedonebyhandtoexposetheroots.a.Exposeallrootsgreaterthan1”andpreserve.b.Ifitisnecessaryfortheremovalofconcretelitter,orfortheinstallationofbankandin-channelfeatures,therootsmaybecleanlycut,andshallnotberippedortorn.3.13.B.Treatmentofcutandexposedroots.Backfillallcutandexposedrootsthesamedayofrootcutting,andwateruntilbackfillingisaccomplished.3.13.C.RootCare.Rootscanbeupto2-3timesthediameterofthedripline.TheCONTRACTORshalltakeasmuchcareaspossibletopreserveroots.a.Allrootsthatarenecessarytoremoveforexcavationactivitiesshallbecleanlycut.b.TheCONTACTORshallapplyallrootcutswithapprovedrootstimulator.3.13.D.AreasoffillnearPiPtreesa.Ifnecessary,anyfillmaterialshallbeheldawayfromPIPtreeswithaboulderretainingwallwithadiscontinuousfooting.b.IffillisnecessaryadjacenttothePIPtree,thenairventsshallbeinstalled.c.NosoilsshallbecompactedunderthedriplinewithoutENGINEERapproval.3.14ENVIRONMENTALPROTECTIONTheconstructionsiteshallbemaintainedtominimizedust,noise,erosion,andwaterponding.Anyandallfueloperatedequipmentnearorwithindrainageareas,riparianareasoropenwaterareasshallbeleak-freeandinexcellentoperationalcondition.Equipmentshallalsousebiodegradablefltiidswhenfeasible.TheCONTRACTORiswhollyresponsibleforanyenvironmentaldamagedirectlyorindirectlyrelatedtostorageofsuppliesandequipment,equipmentoperation,anyfluidspillsoranyotherconstructionactivities.3.15BARRIERSTheCONTRACTORshallfurnish,installandmaintainsuitablebarriers,asrequiredtopreventpublicentry;andtoprotectthework,facilities,treesandwetlandareasftomanyassociatedconstructionactivities.Removetemporarybarriersatthecompletionofwork.RCS-12 CC3.16PROJECTSITEREHABILITATIONAfterallotherconstrtictionactivitiesarecompleted,alldisturbedareasaretoberehabilitatedtopre-constructionconditions.Cleanthesiteoftrashanddebrisandremoveallconstructionmeastires.equipmentandsupplies.Permanentriparianplantingsandseedingshallbeinstalledimmediatelyafterthefinaldesigngradesareachieved,butnolaterthan14daysafterconstructionactivitieshavepermanentlyceasedatthedisturbedarea.OneyearafterinstallationtheCONTRACTORshallguaranteethatcontainerizedandB&Bplantshave100%successrate,seedplantingsshallhave70%successrate,andallPIPmaturetreesshallhave100%successrate.3.17CULTURALRESOURCESTheprojectareahasbeendisturbedbybankconstruction,roadalignments,multipleutilities,pedestrianpathconstructionandiswithinthemainchanneloftheRiver.Noculturalresourcesareanticipatedtobeimpactedbytheproject.Ifpotentialculturalresourcesintheprojectareaarediscoveredduringconstructionandcannotbeavoided,CONTRACTORshallsuspendconstructionactivitiesinthatareauntilthepropertiescanbeevaltiatedforlistingintheNationalRegisterofHistoricPlacesinconsultationwithColoradoStateHistoricalPreservationOffice.RCS-13 CSECTION4IN-CHANNELANDBANKCONSTRUCTION4.01CONSTRUCTIONOFIN-CHANNELBOULDERSTRUCTURESAllBoulderStructuresconstructedIn-ChannelorbelowtheOrdinaryHighWaterLine(OHWL)shallbeconstructedwithFooterRocksandKeyingTechniques(SeeDrawingDetails).ConstructionofBoulderStructuresshallincludeselection.rotation,placementandadjustmentofeachindividualrocktominimizevoidspacesandmaximizeinterlockingofbotildersandsmoothtransitionbetweenboulders.TheENGINEERmayidentifyeachimportedboulderthatmayaffectsurfaceflow,anddirecttheplacementolsurfaceflowboulders.BoulderStructuresshallbeconstructedbyplacingindividualbouldersindesignedcross-sectionsofthechannel.Eachcross-sectionhasspecificaverageelevationsandalignmentsfortheplacementofrockasshownontheProjectDrawings.Eachstructureshallincludefooterbouldersextendingbelowthefooterelevationor4feetofdepthbelowthethalwegifanelevationisnotspecified.Stackedbouldersshallhaveaminimum0.5:1horizontaltoverticalslopewiththefooteroffsetinthedownstreamdirectionwhenburiedandfooteroffsetinalldirectionswhenexposed.Eachindividualbouldershallbesetwiththe“B”axisinthedirectionofflowwhenexposedorthe“A”or“B”axiswhentheboulderisinterlockedbetweenotherboulders(SeeDrawingDetails).Minimumacceptablebouldersizeis42inchesalongtheB-axis.4.02CONSTRUCTIONOFBANKTERRACINGBOULDERSTRUCTURESBoulderterracingstructuresshallbeconstructedbyplacingindividualbouldersindesignedsectionsofthebank.Eachbouldershallincludeselection,rotation,placementandadjustmentofeachindividualrocktominimizevoidspacesandmaximizeinterlockingofbotitders.EachsectionhasspecificelevationsandalignmentsfortheplacementofrockaswellasspotelevationsasshownontheProjectDrawings.EachSurfaceBouldershallincludefooterbouldersplacedatleasttodepthshownonProjectDrawingsorataminimumof3feetofdepthbelowtheexistinggradeandplacedon8oznon-wovenFilterfabric.Bouldersplacedatthetoeoftheslopeshallbeaminimumof48inchesalongtheB-axis.Allbouldersshallhaveintimatecontactwithalladjacentboulderswithlessthan6inchdiametervoids.4.03EDDYBOULDERSPlace60inchminimumB-axisbouldersintothechannelbed.TheBouldersshallbesetwiththeC-axisvertical.Bouldersshaltbeset,onafooterboulderifnecessary,aminimumof3feetbelowchannelgrade.BoulderplacementandorientationshallbedirectedbytheENGINEERon-site.TheCONTRACTORshallnotifytheENGINEER7dayspriortoinstallationofEddyBoulders.4.04FILTERFABRICSPECIFICATIONRCS-I4 C,CAnundamagedfilterfabricwithgeo-compositedrainageshalloverlayallexposedearthenembankmentmaterialstobecoveredwithrock.filterfabricshallbeplacedtoeliminatemigrationoffinesthroughtheboulderstructuresandandthecompositallowswatertodrainfromstructure.Geo-compositeHydrodrain300bywww.hvdrotechusa.com/drainage2.litiii,orapprovedequivalentshallbeusedataminimumof4feetwidthon10feetcenter(approximately40%oftotalfilterfabriccoverage).Anacceptablenon-woven8ozfilterfabric(MirafiI8ONorequivalent)shallbeusedforthebankcoveragenotoverlaidbydrainage.Filterfabricshallbeplacedtohaveintimatecontactwithintactbankmaterial.FilterFabricshallnotbetornorrippedbyboulderinstallationandpreventativemeasuressuchaslessthan6inchesof6inchminuswellgradedgravelbeddingmaterial,orapprovednativealluviumshallbeused.Installpermanufacturersrecommendations.Table2.Gradedgravelbeddina.6inchWeightIndicatorminus100%Passing6”50%-100%Passing3”40%-60%Passing3/4”10%-30%PassingNo.200%-4%PassingNo.2004.05IMPORTEDBOULDERSSPECIFICATIONImportedBouldersmaybeqtiarriedorexcavatedandgenerallysmoothinshapewiththelargestrockfacesbeingapproximatelyflat.Bouldersshallbeofaconsistentmaterialfortheentireprojectandshallbeacolorthatisaestheticallyneutralwiththenativelandscape.BouldergradationsshallconformtoTable2bynumber,andmeasurementoftheintermediateaxis(“B”Axis).Theminotaxis(shortestdimensionor“C”-Axis)shallnotbelessthanindicatedinTable3.Bouldersexposedinthegradecontrolsandkeyedintothetoeofeachstructureshallhaveaminimumintermediateaxis(B-Axis)of48inches.Table3.B-AxisBoulderGradations(inches)NumberofStonesIndicator36inch48inch60inch72inch<10%Greater48607284>75%Between42&3056&4068&4878&600%Less24304254ImportedBouldersshallconsistofhard,densedurablestone,resistanttoweathering.Surfacestonesshallhaveaaestheticneutralcolor.Stoneshallbesuitableforincidentalhumancontact.CONTRACTORshallsubmitsourceinformationandsamplestoENGINEER.TheENGINEERshallapproveBotildermaterialbeforeuse.GraniticandBasalticbotilderssubjectedtoweatheringsuchasglacialoralluvialflowswillbepreferred.RCS-15 CCBouldersmaybeapprovedbytheEngineerif,byvisualinspection,therockisdeterminedtobesoundanddurable.TheEngineermayrejectbouldermaterialif,intheEngineer’sopinion,thematerialismarginalorunacceptableorhaspooraestheticvalue.AttherequestoftheEngineer,theContractorshallfurnishlaboratorytestresultsindicatingthatthematerialmeettherequirementsincludingthosebelow:---Bouldersshallhaveaminimumspecificgravityof2.65.---AbrasionresistancebyLosAngelesMachine;TestMethodASTMC535;SpecificationRequirement:15%loss,maximum.--SoundnessbyuseofSodium/MagnesiumSulfate,TestMethodASTMD5240-04StandardTestMethodforTestingRockSlabstoEvaluateSoundnessofRiprapbyUseofSodiumSulfateorMagnesiumSulfate;SpecificationRequirement:5%loss,maximum.--SoundnessbyFreezingandThawing,TestMethodASTMD5312-04StandardTestMethodforEvaluationofDurabilityofRockforErosionControlUnderFreezingandThawingConditions;SpecificationRequirement:5%loss,maximum.RCS-16 CCSECTIONSCONSTRUCTIONOFCONCRETESTRUCTURES5.01GENERALThefollowingspecifications,standardsandcodesshallgoverntheconstructionofanyandallconcretestructures,whereapplicable,withmodificationsasspecifiedherein:CDOTConstructionStandardsandSpecificationsACI318-BuildingCodeRequirementsforReinforcedConcrete.ACI301-StructuralConcreteAC!304R-GuideforMeasuring,Mixing,TransportingandPlacingConcreteASTMA884/A$$4M-04StandardSpecificationfotEpoxy-CoatedSteelWireandWeldedWireReinforcement5.02CONCRETEConcreteshallbe:A.Minimum4,000psi28daystrengthB.Aircontent5.5%+-0.5%C.Grade60epoxycoatedreinforcingsteelD.4-6inchslumpContractorshallprotectworkfromvandalsuntilset.CONTRACTORshalldeliverconcretefreeofmarks,stains,etc...Pressurewashingmayberequiredpriortoacceptanceofwork.CONTRACTORshalldeliversmoothhorizontalandverticalcurvatureonpavingsegmentsasdeterminedbyOWNER.Allelevationsandgradessetusingappropriatesurveyequipment.Pavingsegmentswithwavyedges,humps,and/ordipswillberemovedandreplacedattheexpenseofthecontractor.5.02.A.ANTI-FREEZINGADMIXTUREIffreezingtemperaturesarepresent,anacceleratorsuchasPolarsetmaybeusedpermanufacturersrecommendations,as1-2%oftotal.5.03CONCRETETESTINGProvideanASTMD1077compliantandACIcertifiedlaboratoryandprovidelevelIACIcertifiedfieldsamplingtechnicians.Forevery50CYofconcreteprovideone(1)testof:A.TemperatureperASTMC1064B.AircontentperASTMC231C.SlumpperASTMC143D.CompressivestrengthperASTMC31E.FlexurestrengthperASTMC78.RCS-l7 SECTION6LANDSCAPEINSTALLATION6.01PLANTINGSTheCONTACTORisresponsibletoprovidewatersuitableforestablishmentofvegetation.Watershallbefreefrompollutantsharmfultoplants.6.01.A.ErosionControlGrasses.AllsoilareaswithintheProjectLimits,disturbedbyconstructionactivities,shallbeseededwitherosioncontrolgrasses.AllmixesshallbeCertifiedSeedthatisweedfreeandnativestrandsofPureLiveSeed(PLS).Table4providestheseedtypeandrateforallareasoutsideoftheRiparianCorridor(DrylandMixSpecies.)Table5providestheseedtypeandrateforallareaswithintheRiparianCorridor(RiparianMixSpecies.)TableNo4.DrylandMixSpeciesPLS!Acre*Westernwheatgrassvar.Arriba35%Thickspikewheatgrassvar.Critana25%Alkalisacaton10%Bluebunchwheatgrass10%Indianricegrassvar.Rimrock5%Sideoatsgrama5%Bottlebrushsquirreltail10%*drilledapplication=l7lbsperacre,*broadcastapplication=34lbsperacre.a.SoilPreparation:Afterdisturbancehasceased,soilshallbegradedandrakedto0.25”to0.5”tocreateaseedbed.Soilsmustbemoistpriortoseedapplication.Sprinkleareastobeseededwithwater,usingfinespraytoavoidwashingorerosionofsoil.b.SeedApplication:Handbroadcastatspecifiedrateandlightlyrakeintosoil.Evenlyapplyweedfreestraw2inchesthickovertheseedstoredticeerosionandwindlosses.Donotusestrawcontainingnoxiousweedsandforeignmaterials.Donotapplyseedswhenweatheristoowindy,hotordrying,orotheradverseconditionsexist.Optionalhydromulchatbetterthanspecifiedcoverage.6.01.BRiparianGrassesTableNo5.RiparianTransitionalMixSpeciesPLS/Acre*Westernwheatgrassvar.Arriba35%RCS-18 CCStreambankwheatgrassvar.Sodar30%Greenneedlegrassvar.Lodorm10%Arctic/Balticrush5%Galletagrass5%Alkalisacaton5%Bigbluegrassvar.Sherman10%*dt.i1ledapplication=19Ibsperacre,*broadcastapplication=38lbsperacre.a)SoilPreparation:Placestoredtopsoiltoaminimumof6inchesindepth.Soilshallbegradedandrakedto0.25”to0.5”tocreateaseedbed.Soilsmustbemoistpriortoseedapplication.Sprinkleareastobeseededwithwater,usingIinespraytoavoidwashingorerosionofsoil.b)SeedApplication:Within48hoursofsoilplacement,broadcastseedatthespecifiedrateandlightlyrakeintosoil.Donotapplyseedswhenweatheristoowindy,hotordrying,orotheradverseconditionsexist.ImmediatelyafterseedapplicationallareasshallhaveanErosionControlBlanketoverlaidandinstalledasspecifiedinSection6.04.c)Allareasthatarenotcoveredbyerosioncontrolblanketshallapplyweedfreestraw2inchesthickovertheseedstoreduceerosionandwindlosses.Donotusestrawcontainingnoxiousweedsandforeignmaterials.U)broadcaststrawmulchorapplyhydromuichinallseedareasexceptforareascoveredbyerosioncontrolblanket.6.O1.CRiparianPlantings.Anywillows,cottonwoodsornativevegetationdisturbedshallbereplantedinequivalentcoverage,atequivalentelevations,inexistingopenareas.1.BallandBurlappedPlantsN/A2.ContainerizedPlantsContainerizedplantsshallnotberoot-boundintheircontainers.Rootsthatcirclethecontainercanbecomestrangulatedrootsmayhinderfuturegrowthoftheplantandwillberejected.Extensiverootsthathavegrownoutthroughthedrainportsofthecontainermaybedriedordamagedandbecomeasourceforinfectionandadditionalstressfortheplant.Anyorallabnormalitieslistedaboveshallbereasonforrejection.3.TransplantingOn-siteVegetationNativevegetationtobedisturbedbyexcavationactivitiesshallbetransplanted.Vegetationsuitablefortransplantsshouldbehealthynativespecies.Pruneshrubortreetoapproximately6feetinheight.Cleanlycutallbrokenanddamagedlimbs.HerbaceousRCS-19 C,Cclustersarealsosuitablefortransplants.Excavateaholethatislargerthanthetransplantrootball.Scooptheentirerootmassofthetransplantwiththebucketofatrackhoe,keepingintacttherootballandsoils.Immediatelyplacetransplantintheexcavatedholeandhandbackfilllightlycompactingthesoil.Watertransplantasnecessarytoensuresurvival.6.01.C.Fertilizers.N/A6.01.D.Staking.N/A6.01.F.Fencing.Allplantedballandburlaptreesandpolesshallhavesmallmammalprotectivefencing.Fencingshallbe14gaugeweldedwire,orchickenwirewithlessthan6inchspacing.Theweldedwireshallbeheld6inchesfromthetruckandplacedasacylinderaroundthetrunkofthetreeataminimumof4feetinheight.Theweldedwireshallbefastenedtohardwoodstakeswithcord.Theweldedfencingshallbeflushwiththeground.6.02RIPARIANSHRUBPLANTINGS6.02.ASpacingofshrubs.Thelayotitoftheshrubsshallbeplantedstaggered(nothorizontalorverticallines)asshownonProjectDrawings.TheProjectDrawingsprovidetheareasforRiparianShrubPlantingsandSpeciesList.MinimumspacingofplantingsisspeciesandtypedependentandlistedindrawingplanL.550andmaynotbetoscaleinthedrawings.6.02.BRiparianShrubProducts.TheRiparianAreashallbevegetatedwithnativecontainerizedshrubplants.Containerizedplantsshallbewellestablishedinthecontainerwitharootsystemsufficientlydevelopedtoholdtogetherwhenremovedfromthecontainer.Containerizedriparianshrubsshallbe1or5gallonpotsasspecified.Plantsshallnotbepotboundnorhavekinked,circling,orbentroots.Therootballperipheryshallbefreeofcirclingrootslargerthan¼inchindiameter.Ifrootshavegrowninaspiralfashioninsidethecontainer,thetreemaybe—rootboundi.6.02.CRiparianShrubInstallation.a.Toencouragestraightrootstoform,makefour(4)verticalincisionsdownthesidesoftherootballone-fourth(1/4)inchindepth90degreestoeachother,andacrisscrossincisiononthebottom.6.03RIPARIANCOTTONWOODPOLESRiparianCottonwoodPolesmaybeharvestedonsitefromwithintheProjectLimits.TheCottonwoodPolesshallbeaminimumof4inchesindiameterand$feetinlength.TheselectedPolesshallbehealthy,livewoodthatisreasonablystraight.Uselivewoodatleast2yearorolder,withsmoothbarkthatisnotdeeplyfurrowed.Avoidsuckersofcurrentyearsgrowth.CottonwoodPolesmustbeharvestedduringthedormantseasonandplantedinthelatefallorearlywinter;priortobudbreakandspringrunoffflows.Makecleancutswithunsplitends;topRCS-20 CCendsshouldbecutstraightandbutt-endsshouldbecutwitha45degreeangle.Painttopendswithapaintandwatermixture(50/50)toindicatewhichendisthetopandtopreventmoistureloss.Trimbranchesfromcuttingascloseaspossibletotrunk.Holesmustbedugtoadepthof1.5feetbelowtheOF-lWlineorasshownonProjectDrawings.oraminimumof1.5feetinmoistsoil.Theuseofa“Stinger”mayberequiredtodigtheholes.PlacePolesinholewithbutt-enddown.TheCottonwoodPolesshallbebackfilledwithaminimumof3feetofaeratedsoilabovethemoistsoil.ThePolesshallbe2/3belowgroundwith2-5budscaresabovethegroundlevel.Polesshallbeplantedwith6feetmaximumspacing.Cottonwoodpoletopsshouldbepaintedwithalatexlightcolorpaint50/50mixwater/painttopreventwaterloss.6.04EROSIONCONTROLBLANKETAllNaturalbiodegradableErosionControlBlankets(ECB)shallbeplacedonalldisturbedslopesgreaterthan10percentgrade.AllNaturalbiodegradableErosionControlBlankets(ECB)shallbeplacedonrestoredbanks.OnetypesofErosionControlBlanketshavebeenpreapproved:CC-4byWesternExcelsiororapprovedequivalent,www.westernexcelsior.com.Donotorder,deliver,orinstallotherprodcictswithoutawrittenapprovalbytheENGINEER.Installpermanufacturesrecommendations,anddetails.Storeallcoirfabricelevatedoffthegroundandinsurethatitisadequatelycoveredtoprotectthematerialfromdamage.Protectfabricfromsharpobjectsthatmaydamagethematerial.Materialsdamagedduringtransport,storageorplacementshallbereplacedattheCONTRACTORexpense.TheENGINEERshallinspectandapproveallmaterialspriortoinstallation.6.05TOPSOiLAvailabletopsoilshallbesalvagedaminimumof6inchesindepthfromalldisturbedareas.Salvagedtopsoilshallbestockpiledinareasthatshallnotinterferewithconstructionphasesandatleast15feetawayfromareasofconcentratedflowsorpavement.Theslopesofthestockpileshallnotexceed2:1horizontaltovertical.Asiltfenceorotheradequateerosioncontrolshallbeinstalledaroundtheperimeterofeachstockpile.6.05.A.TopSoilApplication.Topsoilshallbeappliedtoallareasforseedingandplanting.Topsoilshallbeappliedataminimumof6inchesdepthonallseededareas,andshallbeusedtobackfillallshrubandtreeplantingstothedepthandtwicethewidthoftherootball.TopsoilshallnotbeplacedwhenthegroundorTopsoilisfrozen,orexcessively’wet.followingthespreadingoperation,theTopsoilsurfaceshallberakedtofinalgradeswithoutsurfaceirregularitiesthatcouldcontributetoconcentratedwaterfiowdownslope.Topsoilshallberakedwith0.5inchundulationsforaseedbed.6.05.B.TopSoilMaterial.Importedtopsoilshallbeanaturalsandyloamthatisweedfree.ImportedTopsoilshallbeproperlystoredandprotected,andshallbefreeofroots,hardclayandRCS-21 CCstoneswhichshallnotpassthrougha1-inchsquareopening.Itshallbealoamymixturehavingatleast90percentpassingNo.10sieve.Belowliststhesoilproperties:1.Containnolessthan2percentnormorethan13percentorganicmatter,asdeterminedbythetestfororganicmatterinaccordancewithASTMD2974.2.Containnolessthan12percentormorethan40percentclay,asdeterminedinaccordancewithASTMD422.3.Sandcontentshallnotexceed55percent,asdeterminedinaccordancewithASTMD422.4.ThepHshallnotbelowerthan5.0orhigherthan8.0.ThepHshallbedeterminedwithanacceptablepHmeteronthatportionofthesamplepassingtheNo.10sieve,inaccordancewiththe—SuggestedMethodsofTestsforHydrogenIonConcentration(pH)ofSoils,includedintheASTMProceduresforTestingSoilsissuedDecember1964.5.Onehundredpercentshallpassthe1-inchscreen;97-100percentshallpassthe1.5-inchscreen,and40-60percentshallpasstheNo.100meshsieve.6.Topsoilshallbefreeofclods,gravel,andotherinertmaterial.Itshallbefreeofthistle,reedcanarygrass,creepingfoxtail,noxiousvegetationandseed.Shouldsuchregenerativematerialbepresentinthesoil,theCONTRACTORshallremove,athisexpenseandinamannersatisfactorytotheOwner’sRepresentative,allsuchgrowth,bothsurfaceandroot,whichmayappearintheimportedTopsoilwithin1yearfollowingacceptanceofthework.7.AllsoiltobeseededshallbeamendedwithHumateandfertilizerproduct.Themethodofincorporationofamendmentsshallresultinauniformapplicationofmaterialasapproved.Humateshallbeappliedatarateof1500poundsperacre.Thehumateshallbeappliedusingapproximately1gallonofwaterfor1poundofdrypowder.Thefertilizerproductshallbeappliedatarateof2000poundsperacre.SECTION7HYDROLOGY7.01HYDROLOGYHydrologyhereinisbasedonUSGSstreamgageCOLORADORIVERNEARKREMMLING,CO(09058000)forwateryears1980thru2010.Thegaugemaybeaccessedonlineat:http://waterdata.usgs.gov/nwis/uv?siteno=09058000.TheKremmlinggaugemaynotactuallyrepresentflowsattheprojectsiteandshouldbeusedasareferenceonly.Additionalflownotaccountedforinthetables,orflashfloodingmayoccurontributariesincludingthePineyRiverhttp://waterdata.usgs.gov/usa/nwis/uv?siteno09059500immediatelyupstreamoftheprojectsite.Realtimedatamaybeseasonalandisprovisional,subjecttochange.StatisticalAnalysisofhistoricaldataisnotaguaranteefortheflowratesduringconstructionandareprovidedhereinsolelyfortheinformationoftheCONTRACTOR.MaintenanceoftheRiverFlows,diversions,RCS-22 C;Cerosion,environmentalprotection,BMPsandRiverstagesduringtheconstructionperiodarewhollytheresponsibilityoftheCONTRACTOR.TABLE6.Percentofrecordthataveragedailyflows(cfs)wereexceededontheColoradoRivernearKremmting,upstreamoftheProjectAreaExceeded5%20%40%50%60%80%95%1-Mar3303704485095546638252-Mar326366434480561653$303-Mar3163734275045686458524-Mar3193774315185696898445-Mar3133774245045726978476-Mar3133904184785766998377-Mar2993794245025747108378-Mar3223874235055797238339-Mar32639143250758870683710-Mat-32840044351258771184211-Mar33940042952758472983812-Mar34840043654558073984013-Mar35440043957058175385114-Mar34939945756758776588315-Mar357391480540590785979Exceeded5%20%40%50%60%80%95%16-Mar33337346554258078599117-Mar336379488520581787112518-Mar347400474532587802109519-Mar364417513572585$09104520-Mar374415506574603$35109521-Mar360420497582595$65114522-Mar362414545581610834114523-Mar363441573584622890115024-Mar369444575625641911123025-Mar377432564624658854126526-Mar37$43059066367986$127027-Mar362410600681688888133028-Mar356410600661712909136029-Mar35$422575660718814149530-Mar363418536651698$00162031-Mar3604615366236697791755Exceeded5%20%40%50%60%80%95%1-Apr35848357963067079418152-Apr36$49255464066376318403-Apr3775126126557137931865RCS-23 C4-Apr37547663270573299918555-Apr36151368072675399418406-Apr35853168273380295118407-Apr352534708759817103018458-Apr363521681771831100018809-Apr3634996727888401010189010-Apr3994946777517901020187011-Apr405493702740783987184512-Apr3785246567187851090173513-Apr3805596557017841160176514-Apr4046276747467711160168515-Apr49363967977282211301680Exceeded5%20%40%50%60%80%95%16-Apr4456147068028331120179017-Apr4146307178389291140190518-Apr3876487538199941170198019-Apr42364579687310301260202520-Apr37566577690610401250196021-Apr3556327309059691290181522-Apr3586167679249471390185023-Apr36960683595310301370203024-Apr363625915101011101440220025-Apr381622911113011701500226026-Apr393620912107011901490230527-Apr433583959104011101540210028-Apr423588896103011301460195529-Apr414556749107011501590203530-Apr37859775010401200162022051-May3556518739691220163023657.02APPROXIMATEWSELWatet-SurfaceElevations(WSEL)arebasedonlimitedsurveyandone-dimensionalhydraulicmodeling.ActualWSELsinthefieldmayvaryfromthoselistedherein.ApproximateWSELsareprovidedhereinsolelyfortheinformationoftheCONTRACTOR.WaterSurfaceElevationswouldbeaffectedanunknowndegreewithtemporaryflowobstructionsofequipment,coffers,temporaryalluviumplacementorotherconstructionactivities.TheCONTRACTORiswhollyresponsibleformonitoringandcontrollingWSELsduringconstructionandanyassociatederosion,flooding,structureintegrityorenvironmentaldamage.RCS-24 CTABLE7Post-ConstructionPredictedWaterSurfaceElevations(feet)RiverStaQTotalW.S.Elev(cfs)(fi)StateBridge20+974006733.62StateBridge20+976006733.87StateBridge20+978006734.09StateBridge20+9710006734.29StateBridge20+9712006734.47StateBridge20+9714006734.64RCS-25 CCSECTION8MODIFICATIONSTOTIMEOFCOMPLETION8.1CONSTRUCTIONWINDOWTheIN-STREAMconstructionwindowislimitedtopriortoMay1.ThedateofbeginningandthetimeforcompletionoftheworkareessentialconditionsoftheContractDocumentsandtheworkembracedshallbecommencedonadatespecifiedintheNoticetoProceed.TheContractorwillproceedwiththeworkatsuchrateofprogresstoensurefullcompletionwithintheContracttime.Itisexpresslyunderstoodandagreed,byandbetweentheContractorandtheOwner,thattheContracttimeforthecompletionoftheworkdescribedhereinisareasonabletime,takingintoconsiderationtheclimaticandotherfactorsprevailinginthelocalityofthework.EveryeffortshallbemadebytheContractortocompletetheprojectwithinthe“ContractTime”showninthebid,quoteorproposal.The“ContractTime”anticipates‘Normal”weatherandclimateconditionsinandaroundthevicinityoftheProjectsiteduringthetimesofyearthattheconstructionwillbecarriedout.ContractoracknowledgesthattheProjectsiteislocatedinahighaltitudeenvironmentwhereweatherpatternscanbevariableandextremeduringwintermonths.freezingconditionsarelikelytoberegularlyencounteredduringtheconstructionwindow.fraziliceisawinteroccurrencethroughoutmuchoftheColoradoRiverinColorado.Icecanpileupsignificantlyonmanyin-channelobstructions.Contractoriswhollyresponsibleformaintainingconditionsthatpreventbuildtipoficeduringconstructionandfordelaysassociatedwithice.RCS-26 0•CSECTION9DEFINITIONSB-AxisTheintermediate(andoverturning)axisonaboulder.BestManagementPractices(BMPs)WaterandSoilCareMeasuresdesignedtopreventsedimentsoilerosion,minimizeturbidityandprotectwetlands.CofferDamStructureusedtoisolateanareafordewatering.OrdinaryHighWaterLine(OHWL)ApproximateWaterSurfaceElevationattheI4yearFlood.in-ChannelWorkAllconstructionwot’koccurringbelowtheordinaryhighwaterlineoroneandahalfyearfloodorinawetchannel.InvertThecross-sectionthatcontrolswaterflow.On-ShoreWorkAllconstructionworkoccurringabovetheordinaryhighwaterlineoroneandahalfyearflood.Protect-In-PlaceProtectionofStructuresorVegetationbynotdisturbingthemwithadjacentconstructionactivities.ThalwegLowestelevationoftheriverchannelincrosssectionperpendiculartothedirectionofthemaincurrentflow.ToePointwhereagroundslopemeetsalowpointandflattensout.Mostcommonlyinriversitreferstothepointwherethebankslopemeetsthechannelbottomslope.RiverRightTherightsideofthechannelwhenlookingdownstream.RiverLeftTheleftsideofthechannelwhenlookingdownstream.RiparianVegetationVegetationwhichisrootedinthewatertableoftheadjacentriver.WaterSurfaceElevationElevationontheprojectdatum,ofthesurfaceofwaterataspecifiedlocation.RCS-27 C)CRIVERCONSTRUCTIONSPECIFICATIONSTwoBridgesColoradoRiverBoatLaunchEagleCounty,ColoradoColoradoRiverDRAFTMarch8,2012OWNER:EagleCountyOpenSpaceENGINEER:RiverRestorationJasonCareyPEP.O.Box2123GlenwoodSprings,CO CCSECTION1SCOPEOFWORK1.01GENERALThescopeofthisProjectistoconstructaboatrampandassociatedpublicfacilitiesattheTwoBridgesEagleCountyOpenSpace.SpecificationscontainedhereinareintendedsolelyfortheinstallationoftheboatrampintheColoradoRiverchannelatTwoBridges,EagleCounty,CO.Thesespecificationsareforactivitiesbelowanelevationof6670.includingin-streamconstruction.ThisProjectisexpectedtohaveallin-streamconstructioncompletebyMayi.2012.Thescopeofthisprojectistoconstrtict1boatrampwithfeaturesincluding:•IdentifyandmaintainerosioncontrolmeasuresandBMPs.•Protectin-placeparkandfacilities,allutilities,paths,parkinglots,allstructures,andallmaturetrees;•DivertandcarefortheColoradoRiver:•Installapptoximately43CYofConcreteSlabwithfilteredbacking;•installapproximately26tonsofgranitebouldersforhydraulicstructure;•Installotherlandscapefeaturessuchas;steps,andriparianplantingsasspecified;•Installandenhance850squarefeetofriparianstakes,poles,shrubsandseed;•Installapproximately850squarefeetoferosioncontrolblanketswithtopsoilandseeding;•Hauloffanddisposeofapproximately310cubicyardsofunclassifiedexcavationremovedfromthechannelandbanksanddewateredasnecessary;and•Restoreconstructionstagingareasandaccessareastoequalorbetterthanconditionbeforeconstructionbegan;inaccordancewiththeseRiverConstructionSpecificationsandasshownontheProjectDrawings.ProjectDrawingsinclude13plates;Clisthecoverpage,C2-C5areconstructiondrawingsanddetailsforworknotincludedinthesespecifications,R1-R3areconstructiondrawingsforworkincludedinthesespecifications,andDi-D5showassociateddetails.Exhibitsarealsoappended.ExhibitA:U.S.ArmyCorpsofEngineersNationWidePermit33and36TOBEADDED1.02KEYPROJECTPERSONNELCONTACTSReferencestotheOWNERaretoEagleCounty,Colorado.A.ThefollowingisalistofProjectstakeholdersandtheircontactinformation.CONTRACTORshallnotifyallstakeholders7dayspriortoconstruction:1.EagleCounty(OWNER)Mr.RickUllomEagleCounty.ConstructionManagerRCS-l CCProjectManagementDepartmentOffice:970-328-8780Mobile:970-471-0439rick.ullorn@eaglecounty.us2.Mr.JasonCarey,RIVERENGINEERRiverRestoration.org,LLC.P0Box2123GlentvoodSprings,CO81602(970)389-5987(c)(970)947-9568(ui)jason.carey@riverrestoration.org3.ColoradoDivisionofWildlifeKendallRossBakichAquaticBiologist,Area850633Highway6&24GlenwoodSpringsCO81601P.970.947.2924F.970.947.29361.03CONTRACTORPRE-QUALIFICATIONSProspectivebiddersshallpre-qtialifyasfollows:ACONTRACTORmustpossessadequatetenacity,perseverance,experience,integrity,reliability,capacity,facilities,equipment,andcredit.ThedeterminationofwhetheraCONTRACTORpossessesthesecriteriaisatthesolediscretionoftheOWNER.CONTRACTORshalldemonstraterecordofsuccessfulandtimelycompletionofriverworkawardedduringthelastfiveyears.CONTRACTORshallsubmitaStatementofQualifications(SOQ)thatdescribes3relevantprojectsofsimilarscopeandexperienceinRiverrelatedwork.Uptodateprojectownerreferencesshallbeincluded.TheSOQshalldemonstrateextensiveexperienceinthecareofnaturalriverflowsandBestManagementPracticesthatsignificantlyreduceenvironmentalimpactsassociatedwithconstruction.TheSOQshalldemonstratecompliancewith404,401anddewateringpermits.Furthermore,experienceinconstructionthatwasperformedinariverchannelandwithstoodsignificantriverflowisrequired.TheSOQshallidentifythekeypersonnelandallsubcontractorsthatshallperformwork.Pre-qualificationshallbedeliveredtotheOWNERonorbeforetheoptionalpre-bidmeeting,February27th1,2012at3:30pm.Latesubmissionswillnotbeconsidered.SECTION2GENERALCONSTRUCTIONMETHODS2.01PROJECTLIMITSRCS-2 CCAllconstructionactivityshallbeconfinedtotheProjectLimitsasdefinedonthePlans.ThesearepropertiesownedorleasedbyEagleCountyandbutmayincludeotherutilityeasementsorRightofWay.2.02PERMITSVTheCONTRACTORshallcomplywithallconditionssetforthinallpermitsrequiredforthisproject.Requiredpermitsincludebutarenotlimitedto:U.S.ArmyCorpsofEngineersPermitEagleCountyFloodplainPermitCDPHEDewateringPermit2.03SITEINTEGRITYTheCONTRACTORisrequiredtodocumenttheconditionoftheUtilities.Facilities,ParkLandscape,ConstrtictionAccessAreasonthebanks,maturevegetationandthegeneralareawithvideorecordings,submittedtoENGINEERpriortoanyconstructionphaseandaftereachphaseofconstructioniscompleted.Thevideorecordingshalldoctimentthesurfaceintegrityofthestructureswithclearandrecognizablereferencefeaturesorestablishedandrepeatablereferencemarkersinthefieldofview.TheCONTRACTORisresponsibleforrehabilitating,repairingorreplacing,tobetterthanpre-constructionconditions,anydamagetothestructuresandvegetationdirectlyorindirectlyrelatedtoconstructionactivities.2.04UTILITIESVCONTRACTORshallfield-locateandmarkallutilitieswithinoradjacenttotheProject.AnyutilitylocationsmarkedonplansareapproximateandactualfieldlocationofanyutilityiswhollytheresponsibilityoftheCONTRACTOR.CONTRACTORshallprotectinplaceallutilities.2.05TEMPORARYFACILITIESCONTRACTORshallprovidealltemporaryfacilitiesrequiredforperformingthework.TemporaryconstructionfacilitiesandutilityconnectionsaresolelytheCONTRACTOR’sresponsibilitybasedonhisselectedmethodofoperationandschedule.CONTRACTORisresponsibleforprovidingacleanandsafeenvironmentforallworkersonthejobsite.CONTRACTORisresponsibleforprovidingsanitaryfacilities.CONTRACTORshallfollowOccupationalSafetyandHealthAdministrationregulations.CONTRACTORisresponsiblebrprovidingallelectrical,waterandutilityneeds.CONTRACTORshallkeeptheProjectLimitsinaneatandorderlymanner.CONTRACTORisresponsibleforremovingtemporaryfacilitiesandcontrolsaftercompletionofallWork.RCS-3 CC2.05.A.StagingAreas.StagingAreasshallbedefinedonthePlans.Allconstructionstaging,stockpilingofmaterials,equipmentstorage,andother,shalltakeplaceindesignatedareaswithadequatebarrierstoprotectthepublicfromentry.Stagingareasshallhaveadesignatedofficeorcontactinformationpostedfotpublicinquires.Stagingareasshallprovideemployeesallnecessaryfacilities,legalpostings,andsafetyprotocol.TheCONTRACTORisresponsibleformaintainingacleanandorganizedstagingarea.2.05.B.DewateringAreas.Constructionactivitiesareanticipatedtoproducecleanfillmaterials,aswellassomeotherwastematerials.Allexcessmaterialsproducedbyconstructionactivitiesshallbeproperlydisposed.DewateringareasshallhaveadequateBMPsinplacetostockpilematerialpriortodisposal.DewateringareasmayalsobeconfiguredtoincludeaWashoutAreaforconcretepours.Poursshallnotbeconductedduringorbeforeananticipatedstormevent.Allexcessconcreteandconcretewashoutslurriesfromtheconcretemixertrucksandchutesshallbedischargedoffsite,ortemporarilyintoawashoutareadesignatedinanunvegetateduplandandcompletelyisolatedfromstorrnwateranddrainage.Allconcreteresidueshallbehauledoff-siteandproperlydisposed.ReturningwaterfromdewateringareastosurfaceflowroutesmayrequireadewateringpermitfromtheCDPHEandiswhollytheresponsibilityoftheCONTRACTOR.2.05.C.OilingAreas.Anyandallfuelingandoilingofequipmentshallbeindesignateduplandlocations,withadequateBMP’stocontainanypotentialspill.Allmajorequipment/vehiclemaintenanceshallbeperformedoff-site.Fueltankmaybekepton-siteinthestagingareawithdrippansunderneaththefuelingarea.Allequipmentfluidsgeneratedfrommaintenanceactivitiesshallbedisposedofintodesignateddrumsstoredonspillpalletsinaccordancewithhazardouswastemanagementpractices.Drippansshallbeplacedunderallequipmentreceivingminororroutinemaintenance.ASpillCleanupPlaniswhollytheresponsibilityoftheCONTRACTORandshallbepostedandavailableatalltimesonsiteforallworkareaspriortoanyconstructionactivitiesandshallincltidecoordinationwithlocalemergencyresponseagencies.Areleaseofanychemical,oil,petroleumproduct,sewage,etc.,whichmayenterwatersoftheStateofColorado(whichincludesurfacewater,groundwateranddrygulliesorstormsewersleadingtosurfacewater)shallbereportedtotheColoradoDepartmentofPublicHealthandEnvironmentimmediately(25-8-601CRS)andformhttp://www.cdphe.state.co.us/hrn/spillselfreportform.pdfand/orToll-Free24-hourEnvironmentalEmergencySpillReportingLine1-877-518-5608maybeused.WrittennotificationtotheDepartmentshallfollowwithinfive(5)days(5CCR1002-61,Section61.8(5)(d)).ReleasesofpetroleumproductsandcertainhazardoussubstanceslistedunderthefederalCleanWaterAct(40CFRPart116)mustbereportedtotheNationalResponseCenteraswellastoColoradoDepartmentofPublicHealthandEnvironmentasrequiredundertheCleanWaterActandtheOilPollutionAct.furthermore,contactmustbemadeimmediately,reportinganyspillincident,withtheEagleCountyDepartmentofPublicHealth,theOWNERandENGINEER.2.05.D.HaulingRoutes.Theimportandexportofmaterialsfromtheprojectlimitsshalloccuratdesignatedlocationsondefinedhaulroutes.Haulroutesshallbegradedandmaintainedtodrainandnotpoolwater.HatilroutesshallhavewheelwashinglocationsandtrackingpadsatRCS-4 CCthejunctionofpavedsurfaces.HaulroutesshallalsobeflaggedbytheCONTRACTORwithintheProjectLimitsandrandomaccessofequipmentshallbeprevented.Adequatedustsuppression,suchaswateringofhaulroutes,shallbemaintainedatalltimes.2.05.E.ChannelAccessAreas.CONTRACTORshallberesponsiblefordesignatingandmaintainingchannelaccesssitesforequipmentandworkerswithinProjectLimitsdefinedonplansandforrehabilitatingaccesssitesonceconstructioniscomplete.Randomormultiplechannelaccessareasshallnotbeused.GravelbermsshallbeinstalledatthetopoftheaccessrampandotherareastoeliminatesheetflowordrainageontotheexposedordisturbedRiverbanks.Asiltbarriershallbeerectedalongthetoeofanyandallout-of-channelopencutstoeliminatethemigrationofmaterialoutsideofthelimitsofwork.StrawBalesshallbeusedatthetoeoftherampwhentheaccessisnotinusetopreventthemigrationofmaterialintotheArkansasRiver.2.06CONSTRUCTIONSTAKINGTheOWNERshallprovideadequatehorizontalandverticalcontrolpointsfortheCONTRACTORtoestablishthelinesandgradesshownontheplans.TheOWNERshallprovideinitialconstructionstaking.GradeelevationsandadditionalconstructionstakingshallbewhollytheresponsibilityoftheCONTRACTOR.EstablishedcontrolpointsshallbeprovidedwithspecialcoloredflagginganditshallbetheresponsibilityoftheCONTRACTORtoprotectthosecontrolpoints.Intheeventtheyarelost,duetoanycause,theCONTRACTORshallre-establishadequateandpermanentcontrolmarkers.2.07SITEGRADINGCONTRACTORshallestablishandidentifyrequiredlines,levels,contoursanddatum.GradeSitetomatchalllines,elevationsandgradesshownontheProjectDrawings.2.08ACCEPTABLEASBUILTELEVATIONVARIATIONS(feet)AverageElevationsacrosseachCross-SectionshallbeexactandconformwithEagleCountyFloodplainregulationsandanyStateofColoradoapplicableregulations.Withnaturalbuildingmaterialsvariancesareexpectedandshallbeallowedforaveragelocationsofindividualparticles.ThefollowingAs-BuiltVariancesareallowed.Table1.AcceptableAs-BuiltVariancesforAverageLocationsofIndividualParticles(feet)DescriptionVarianceVarianceElevationHorizontalTopofTerracing+O.2:-O.2+1-1.0bankalignmentTopofBoulder+0.5;-0.5+/-2.0bankalignmentTopofconcrete+0.05;-0.05+/-0.2bankalignmentRCS-5 CC2.09UTILIZINGIN-CHANNELMATERIALSCleanNativeAlluviumthatisexcavatedfotstructureplacementandistobebackfilledinthechannelmaybeutilizedinchannelastemporarycofferdamsorotherwatercontrolpractices.ExposedAlluviumresultinginnoticeabledownstreamturbidityshallbeisolatedfromtheflowofthechannel.Excavatedcleannativealluvium,bouldersandcleanbedrockmaybeallowedtobebackfilledinthechannelaroundstructureswithinthelimitsofexcavationasdefinedinplans.Allotherexcavatedmaterialincludingfinesandbankmaterialshallnotbeplacedinanyflowpath.shallbeproperlydisposedofinuplandareaandshallhaveappropriateerosioncontrolmeasuresinplace.Allin-streamstructuresshallbeconstructedinsectionssizedtominimizeopenexcavationarea.Eachdayofworkshallbeacompletedworkandnoexcavationsofthebankorstreambedshallbeleftopen.2.10COFFERDAMControloftheRiverstageduringconstructioniswhollytheresponsibilityoftheCONTRACTOR.Bouldersandgradingofcleannativealluviummaybeperformedinthewetchannel.However,anyandallwetcementworkshallbeisolatedfromtheflowoftheRiver.ForIn-StreamBoulderPlacement,itisbyCONTRACTORSdiscretionwhethertohaveadiversionandofwhattype.Inadditiontocontrollingthestageoftheriver,seepageandgroundwaterwilllikelyrequireadditionalcontrolmethodssuchaspumping,sandbagging,impermeablemembranesandjerseybarriers.TheCONTRACTORshallbewhollyresponsiblefortheselectionofsuitablemethod(s),andfordesign,installation,andoperationofthediversionandcareoftheriverrequiredduringtheperformanceoftheworkunderthesespecifications.TheCONTRACTORisrequiredtodesignandinstalladequatediversionandcareoIwaterfacilitiesinatimelyfashioninaccordancewithhis/herscheduleofconstructionandtherequirementsofthesespecifications.FailureoftheCONTRACTORtobecomeadequatelyfamiliarwithandaddresstheexistingstructuresandriverconditionswhichimpacttheworkmayresultinunnecessaryconstructiondelaysandassociatedincreasedcostsforwhichtheCONTRACTORshallbesolelyresponsible.PumpingandreturningofcofferedwatermayrequireadewateringpermitfromtheCDPHEandiswhollytheresponsibilityoftheCONTRACTOR.2.11TRAFFICCONTROLPLANCONTRACTORshallsubmitaTrafficControlPlan,toincludetheRoads,ParkingAreas,ParkAreaandPathsandRiver,tobeapprovedbyEagleCounty.NoconstructionactivitiesshallimpedepublictrafficpatternspriortowrittenapprovalfromEagleCounty.TheTracficControlPlanshallbesubmittedtoEagleCountyforapprovalwith7daysnoticeforreview.tfCONTRACTORshowsthatitisnecessarytocloseanyPaths,Roadsorre-routetraffic.EagleCountyshallworkwithCONTRACTORtoapproveareasonablealternativeroute.RCS-6 CCSECTION3BESTMANAGEMENTPRACTICES3.01GENERALTheWorkcoveredbythissectionincludesthefurnishingofalllabor,materials,equipmentandincidentalsforinstallationandmaintenanceofallonshoreandin-channelBMPs.WithintheProjectLimitsalldisturbedsurfacesshallutilizebestmanagementpracticessuchasTurbidityCurtains,SiltFences,ConstructionSequencing,CareofWater,etc.;tominimizepotentialenvironmentaldamage,turbidconditions,locationsofponding,sedimentloadinginanyflowpath,dust,noise,light,etc.Adequatenumbers,locationsandproperlyfunctioningBMPsanderosioncontrolarewhollytheresponsibilityoftheCONTRACTOR.CONTRACTORisresponsibleformaintainingallBMPsduringconstrtictionactivities,andfortheremovalpostconstructionactivitiesand/oradequatestabilizationperiods.TheENGINEERmaystopworkinanyareaduetoimproperlyinstalled,inadequate,ornon-functioningBMP’s.3.02CHANNELACCESSStoneBermsshallbeinstalledatthetopoftheaccessrampandotherareastoeliminatesheetflowordrainageontotheexposedordisturbedbanks.Asiltbarriershallbeerectedalongthetoeofanyandallout-of-channelopencutstoeliminatethemigrationofmaterialoutsideofthelimitsofwork.StrawBalesshallbeusedatthetoeoftherampwhentheaccessisnotintisetopreventthemigrationofmaterialintothebodyofwater.3.03CONSTRUCTIONSEQUENCINGPriortostartingconstruction,theCONTRACTORshallnotifytheENGINEERandtheOWNERofthedatetheCONTRACTORintendstostartconstructionwithawrittennoticedeliveredaminimum7daysinadvance.ThesequenceofthecriticalconstructionprocessesaredefinedbytheENGINEERandCONTRACTORshallfollowthesequence.I.INITIALSITESETUPI.NotifyEagleCountyandENGINEERofstartdateasrequired.2.Documentwithphotographsandvideotheprojectvicinity,structuresandvegetationandsubmittoENGINEER.3.SubmitDiversionPlanandmethodstoENGINEER.4.Establishandpost,constructionsitesafetyprotocol.5.PlaceBarriers,PostSigns,InstallSafetyFencingandIsolateProjectSite.6.Locateinfield,allUtilities.7.ProtectinPlaceBridges,Utilities,Boulders,Treesandother.8.LocateandflagProjectLimits.9.Locateconstructionstagingandstockpileareas.10.Installoilboomsacrosswetchanneldownstreamofworkarea,replaceusedoilboomspermanufacturersspecifications.RCS-7 C,C11.LocateareafotstorageofspareoilboomsanddesignateoilingandpetroleumhandlingareaswithappropriateandadequateBMPsoutsideoftheriparianzone.12.Establishandpostprotocolforpotentialoilspillcleanupandemergencyresponse.II.STAGING1.Installtemporaryportabletoilet2.ImplementCountyapprovedTrafficControlPlan.3.InstallBMPsi.Controlerosionandconcentratedrunoffii.MaintainandfacilitateanyandallexistingDrainageChannelsiii.IdentifyandinstallanyotherBMPsasnecessary4.Trimbackbrushonaccessslopes5.ProtectinPlaceMatureTrees6.LocateandProtectinPlaceSurveyControl7.GradeAccessandStagingAreas8.Maintain,addandrepairBMPstructuresasnecessarythroughoutprojectIII.IN-CHANNELSTRUCTURECONSTRUCTIONAllconstructionactivitiesshallfollowU.S.ArmyCorpsofEngineersPermitConditions.In-streamworkshallbeperformedduringlowwaterperiods.Priortoconstructionactivities,BestManagementPractices(BMPs)shallbeinplaceinordertominimizeturbidityandsedimentation,aswellaspreventpollutionandthepotentialreleaseofcontaminantsfromequipment.Constructionactivitiesshallbesequencedandsizedtominimizetemporaryimpactstoflowingwater.1.Stakeoutgrades,lines,offsetsandspotelevationsasnecessary.2.InstallallBMP’sasperplansandspecs.3.Stagepumpwithsedimentfilterandadequatehoselengthtoremovecontaminantsbeforereturnflow.4.Installturbiditycurtains;5.Installtemporarycoffersasnecessary;6.Completeconstructionofin-channelstructures;7.Removetemporarycoffers;8.Gradeandstabilizebanks;9.Completeconstructionofallbankstructures;10.Removeturbiditycurtainsandcoffers;Ii.Backfillaroundstructuresandin-streamboulderstospecifiedelevations;12.Installcottonwoodpoles;13.Removeallexcessmaterialsfromchannel;14.RemoveallremainingBMP’sfromchannel;15.Removeturbiditycurtains;16.Restoreaccessramp17.Removeanddisposeoffiltersasrequired.RCS-8 C18.Re-vegetatealldisturbedsoilswithnativeerosioncontrolgrassesanderosionconttolblanketsperplansandspecifications.19.IdentifyandinstallanyotherBMP’sasnecessarytocontrolerosionfromdisturbedareas,constructedstructuresandpotentialstormwaterrunoffIV.FINALSITERESTORATION1.Removewatercontrolstructures2.Plantremainingstream-bankriparianvegetationareas3.Disposeofanyexcessmaterialsataqualifieddisposalfacility4.RestoreTemporaryEquipmentandHaulRoutestooriginalgradeandvegetation5.Removeallmaterialsfromstagingareas6.Re-gradeorrepairstagingareastopre-constructioncondition7.IdentifyandinstallBMPsdown-gradientfromalldisturbedareasuntilestablishmentofvegetation(approx.1yr)8.Removeallwastematerials9.Removeutilitiesprotection10.Removetemporarysigns,barriersandsafetyfencing11.Repairdamagetoanyadjacentproperty,structuresorvegetation.12.EstablisherosioncontrolgrassesinalldisturbedareasabovetheOrdinaryHighWaterLine.13.Removenon-biodegradableBMPsaftertheestablishmentofvegetation(approximatelyIyear).3.04EQUIPMENTOPERATINGINWETCHANNELSEquipmentmaybeallowedtooperateinthewetchannels.Equipmentoperatinginoradjacenttoanywetchannelsshallbefreeofanyfluidleaksandinexcellentoperatingcondition.Biodegradablehydraulicfluidsshallbeutilizedforanyequipmentoperatingintheflowingriverchannel.CONTRACTORshallsubmitalistofequipmentoperatingwithcertifiedbiodegradablehydraulicfluidstotheEngineerpriortouseoftheequipmentintheflowingchannel.NoequipmentshallbeleftunattendedatanytimeinanywetchannelorbelowtheOrdinaryHighWaterLine.Anyandallfuelingandoilingofequipmentshallbeinadesignateduplandlocation,withadequateBMPstocontainanypotentialspill.Allequipmentshallbecleanedpriortodeliverytotheprojectareatominimizepotentialforspreadingofinvasivespecies.Equipmentshallbepower-sprayedandfreeofweeds.IfanyequipmentbeingusedfortheProjecthasbeenpreviouslyworkinginanotherstream,river,lake,pondorwetland,oneofthefollowingdisinfectionpracticesisnecessarypriortoconstructiontopreventthespreadofwhirlingdisease,NewZealandmudsnails,zebramussels,didyrnosphenia,andotheraquatichitchhikers.Thesepracticesarealsonecessaryafterprojectcompletion,priortotheequipmentbeingusedinanotherstream,river,lake,pond,orwetland,forthesamepurpose:RCS-9 CCRemoveallmudanddebrisfromequipment(tracks,turrets,buckets,drags,teeth,handtools.boots.ect.)andspray/soakequipmentina1:15solutionofSparquatinstittitionalcleanerandwater.Keepequipmentmoistforatleast10minutes;orRemoveallmudanddebrisfromequipment(tracks.turrets,buckets.drags.teeth,handtools,boots.ect.)andspray/soakequipmentwithwatergreaterthan140degreesFahrenheitforatleast10minutes.Theexcavatorsandbackhoesmayperiodicallyneedtobecleanedonsitetoremoveexcesslocalsedimentsstucktothetrackorhoes.Sedimentsthatareremovedwithashovelshallbeplacedindesignatedcleanfillmaterialstorageareas.Sedimentsremovedwithcleanwatershallbewashedintothedewateringarea.Alldewateringareasshallhaveerosioncontrollogsstakedatflowlinesbeforedischargeintoanyflowpath.3.05OILBOOMAnadeqLlatenumberofoilboomSPC5510manufacturedbySPC(http://www.sorbentproducts.cotn)orequivalentshallbeplacedinadesignatedlocationonsite,visibleandunobstructedatalltimes.AnyspillsshallbecontainedandcleanedbytheCONTRACTOR.OilboomsshallbeinstalledacrossthechannelatthedownstreamendoftheProjectLimitsatalltimesequipmentisworkinginthewet.AllBoomsshallbereplacedasneeded,approximatelyweeklywithnewOilBooms.3.06PERMEABLETURBIDITYBARRIERAllexposedbankexcavationsanddisturbancesshallbeseparatedfromthemainflowoftheriverbyaPermeableTurbidityCurtain.Theturbiditycurtainshallhaveanon-woven$oznon-wovenfilterfabricforatleast50%ofthecurtainareabetweenthefloatandtheballast.3.07STRAWBALESStrawBalesshallbecertified“Weed-Free”andnothaybales.Balesshallbesecuredwithwoodormetalstakesdriven2feetintoground.4inchesof3inchminuswashedgravelshallbeplacedontheup-gradienttoeofthebales.Balescanberemovedwhenvegetationisestablished.(SeeDetailDrawing)3.0$SILTFENCESiltFencesshallbeplacedtocontainconstructionactivitiesonland.SiltFenceshallbeconstructedwith4oz.NonWovenMirafiorequivalent,witha6inchby6inchanchortrenchupgrade(ieuphill)ofthefencelineandfencepostsin6ftcenters.Theanchortrenchshallbebackfilledtoexistinggradewithnativematerialcompactedto95%ofmaximumasdeterminedbytheStandardProctorMethod(ASTMD-698-66TorAASHTOT99).(SeeDetailDrawing)RCS-10 CC3.09FILTERINGOFPUMPTEDWATERAnypumpedwaterbeingreturnedtothemainflowoftheriverorotherdrainageshallfirstbeprocessedthroughaFilterorsettledinadewateringarea.Turbidwatersthatarecleanofcontainmentsorconcreteresidueshallbefilteredtopreventexcessiveturbidity.Waterswithcontaminantsorconcreteresidueshallbefilteredcleanbeforereturningtothenaturalflowpaths.3.10REMOVALOFBMPsAllBMPsbelowtheOrdinaryHighWaterLinearetoberemovedpriortothecompletionofthework.AllBMPsabovetheOrdinaryHighWaterLinearetoremaininplaceuntiltheestablishmentofvegetation,approximatelyoneyear.Anynon-biodegradableBMPsshallberemovedaftertheestablishmentofvegetationcoveratleast70%,approximatelyoneyear.Allnon-biodegradableBMPsarethepropertyoftheCONTRACTOR.ThelocationsoftheBMPinstallationsshallbegraded,seededandrestoredtopreconstructionconditionsafterremoval.3.11RIPARIANPROTECTIONAnyandallriparianareasandriparianvegetationoutsideofthelimitsofexcavationshallbeprotectedinplace.Noconstructionsupplies,fuelsnoroilsshallbestoredinriparianareas,novehiclesnorheavyequipmentshallbeallowedintoriparianareasotherthanthedesignatedchannelaccesssites.Nodischargeofanymaterialsshallbeallowedintoanyriparianareas.Riparianareasshallbetraversedonlybyfootandleakfreehosesmaycrossriparianvegetation.Anyincidentallydisturbedriparianareasshallberestoredtobetterthanpre-constructionconditions.3.13MATURETREEPROTECTIONThepreservationofexistingmaturetreesisanimportantcomponentoftheworkandameasureofthesuccessfulcompletionthereof.Healthyrootmassatthetoeoftheriverbanksisessentialtothestabilityoftheriverchannel.ThehealthymaturenativetreesthatareadjacenttoexcavatingactivitiesshallbeProtectedInPlace.TheworkshallincludethepreservationtiominjuryordefacementofallvegetationthatisNOTdesignatedforremovalbytheENGINEERinthefield.ENGINEERshallmarkalltreesandlargeshrubsapprovedforremovalpriortoexcavationwork.AreasoftreeremovalshallbedeterminedandmarkedincollaborationbetweentheCONTRACTORandtheENGINEER.a)CONTRACTORguaranteesthatcare,cautionandbestmanagementtechniquesareimplementedtomaximizethesurvivabilityofnativematuretreesnotdesignatedforremoval.b)AllProtectinPlacetreesshallhave100%successrate,showingvigorandgeneralhealth,foroneyearafterPIPmeasuresareconducted.c)Postconstructionmonitoringmayrecommendadditionalpruning,irrigation,orfertilizertorestorehealthtoadamagedtree.TheCONTRACTORisresponsibleforRCS-11 CC,allmeasurestorestorethehealthoftreesforoneyearafterconstructiondisturbancesaroundprotect-in-palacetrees.d)Ifnegligenceresultsinpotentialmortalityoftrees,asdeterminedbytheENGINEER,theCONTRACTORshallreplacealldamagedtreeswithnewnativetreestoreclaimanequivalentcanopycoveratCONTRACTORssoleexpense.Specialcareshallbeappliedwhenworkingunderdriplinesornearthetoeoftheriverbank.ThemajorityofcriticalrootsareexpectedtorunparalleltotheRiver.TheCONTRACTORshalltakegreatcarewhenanyearthdisturbingactivitiesbeneaththedriplineoftreesareconducted.ProtectinPlacematuretreesshallfollowthebelowguidelines:3.13.A.HandExcavationsunderthedripline.Underthedripline,orataminimumof10feetfromthebaseofaPIPTree,allnecessaryexcavatingactivitiesshallbedonebyhandtoexposetheroots.a.Exposeallrootsgreaterthan1”andpreserve.b.Ifitisnecessaryfortheremovalofconcretelitter,orfortheinstallationofbankandin-channelfeatures,therootsmaybecleanlycut,andshallnotberippedortorn.3.13.B.Treatmentofcutandexposedroots.Backfillallcutandexposedrootsthesamedayofrootcutting,andwateruntilbackfillingisaccomplished.3.13.C.RootCare.Rootscanbeupto2-3timesthediameterofthedripline.TheCONTRACTORshalltakeasmuchcareaspossibletopreserveroots.a.Allrootsthatarenecessarytoremoveforexcavationactivitiesshallbecleanlycut.b.TheCONTACTORshallapplyallrootcutswithapprovedrootstimulator.3.13.D.AreasoffillnearPIPtreesa.Ifnecessary,anyfillmaterialshallbeheldawayfromPIPtreeswithaboulderretainingwallwithadiscontinuousfooting.b.IffillisnecessaryadjacenttothePIPtree,thenairventsshallbeinstalled.c.NosoilsshallbecompactedunderthedriplinewithoutENGINEERapproval.3.14ENVIRONMENTALPROTECTIONTheconstructionsiteshallbemaintainedtominimizedust,noise,erosion,andwaterponding.Anyandallfueloperatedequipmentnearorwithindrainageareas,riparianareasoropenwaterareasshallbeleak-freeandinexcellentoperationalcondition.Equipmentshallalsousebiodegradablefluidswhenfeasible.TheCONTRACTORiswhollyresponsibleforanyenvironmentaldamagedirectlyorindirectlyrelatedtostorageofsuppliesandequipment,equipmentoperation,anyfluidspillsoranyotherconstructionactivities.3.15BARRIERSTheCONTRACTORshallfurnish,installandmaintainsuitablebarriers,asrequiredtopreventpublicentry;andtoprotectthework,facilities,treesandwetlandareasfromanyassociatedconstructionactivities.Removetemporarybarriersatthecompletionofwork.RCS-12 CC3.16PROJECTSITEREHABILITATIONAfterallotherconstructionactivitiesarecompleted,alldisturbedareasaretoberehabilitatedtopre-constructionconditions.Cleanthesiteoftrashanddebrisandremoveallconstructionmeasures,equipmentandstipplies.Permanentriparianplantingsandseedingshallbeinstalledimmediatelyafterthefinaldesigngradesareachieved,butnolaterthan14daysafterconstructionactivitieshavepermanentlyceasedatthedisturbedarea.OneyearafterinstallationtheCONTRACTORshallguaranteethatcontainerizedandB&Bplantshave100%successrate,seedplantingsshallhave70%successrate,andallPIPmaturetreesshallhave100%successrate.3.17CULTURALRESOURCESTheprojectareahasbeendisturbedbybankconstruction,roadalignments,multipleutilities.pedestrianpathconstructionandiswithinthemainchanneloftheRiver.Noculturalresourcesareanticipatedtobeimpactedbytheproject.Ifpotentialculturalresourcesintheprojectareaarediscoveredduringconstructionandcannotbeavoided,CONTRACTORshallsuspendconstructionactivitiesinthatareauntilthepropertiescanbeevaluatedForlistingintheNationalRegisterofHistoricPlacesinconsultationwithColoradoStateHistoricalPreservationOffice.RCS-i3 C:CSECTION4IN-CHANNELANDBANKCONSTRUCTION4.01CONSTRUCTIONOFIN-CHANNELBOULDERSTRUCTURESAllBoulderStructuresconstructedIn-ChannelorbelowtheOrdinaryHighWaterLine(OHWL)shallbeconstructedwithFooterRocksandKeyingTechniques(SeeDrawingDetails).ConstructionofBoulderStructuresshallincludeselection,rotation,placementandadjustmentofeachindividualrocktominimizevoidspacesandmaximizeinterlockingofbotildersandsmoothtransitionbetweenboulders.TheENGINEERmayidentifyeachimportedboulderthatmayaffectsurfaceflow,anddirecttheplacementofsurfaceflowboulders.BoulderStructuresshallbeconstructedbyplacingindividualbouldersindesignedcross-sectionsofthechannel.Eachcross-sectionhasspecificaverageelevationsandalignmentsfortheplacementofrockasshownontheProjectDrawings.Eachstructureshallincludefooterbouldersextendingbelowthefooterelevationor4feetofdepthbelowthethalwegifanelevationisnotspecified.Stackedbouldersshallhaveaminimum0.5:1horizontaltoverticalslopewiththefooteroffsetinthedownstreamdirectionwhenburiedandfooteroffsetinalldirectionswhenexposed.Eachindividualbouldershallbesetwiththe“B”axisinthedirectionofflowwhenexposedorthe“A”or“B”axiswhentheboulderisinterlockedbetweenotherboulders(SeeDrawingDetails).Minimumacceptablebouldersizeis42inchesalongtheB-axis.4.02CONSTRUCTIONOFBANKTERRACINGBOULDERSTRUCTURESBoulderterracingstructuresshallbeconstructedbyplacingindividtialbouldersindesignedsectionsofthebank.Eachbouldershallincludeselection,rotation,placementandadjustmentofeachindividualrocktominimizevoidspacesandmaximizeinterlockingofboulders.EachsectionhasspecificelevationsandalignmentsfortheplacementofrockaswellasspotelevationsasshownontheProjectDrawings.EachSurfaceBouldershallincludefooterbouldersplacedatleasttodepthshownonProjectDrawingsorataminimumof3feetoIdepthbelowtheexistinggradeandplacedon8oznon-wovenFilterFabric.Bouldersplacedatthetoeoftheslopeshallbeaminimumof48inchesalongtheB-axis.Allbouldersshallhaveintimatecontactwithalladjacentboulderswithlessthan6inchdiametervoids.4.03EDDYBOULDERSPlace60inchminimumB-axisbouldersintothechannelbed.TheBouldersshallbesetwiththeC-axisvertical.Bouldersshallbeset,onafooterboulderifnecessary,aminimumof3feetbelowchannelgrade.BoulderplacementandorientationshallbedirectedbytheENGINEERon-site.TheCONTRACTORshallnotifytheENGINEER7dayspriortoinstallationofEddyBotiIders.4.04FILTERFABRICSPECIFICATIONRCS-14 CC)Anundamagedfilterfabricwithgeo-compositedrainageshalloverlayallexposedearthenembankmentmaterialstobecoveredwithrock.Filterfabricshallbeplacedtoeliminatemigrationoffinesthroughtheboulderstructuresandandthecompositallowswatertodrainfromstructure.Geo-compositeHydrodrain300bywww.hvdrotechusa.com/drainage2.htm,orapprovedequivalentshallbeusedataminimumof4feetwidthon10feetcenter(approximately40%oftotalfilterfabriccoverage).Anacceptablenon-woven8ozfilterfabric(Mirafi180Norequivalent)shallbeusedforthebankcoveragenotoverlaidbydrainage.Filterfabricshallbeplacedtohaveintimatecontactwithintactbankmaterial.FilterFabricshallnotbetornorrippedbyboulderinstallationandpreventativemeasuressuchaslessthan6inchesof6inchminuswellgradedgravelbeddingmaterial,orapprovednativealluviumshallbeused.Installpermanufacturersrecommendations.Table2.Gradedaravelbedding.6inchWeightIndicatorminus100%Passing6”50%-100%Passing3”40%-60%Passing3/4”10%-30%PassingNo.200%-4%PassingNo.2004.05IMPORTEDBOULDERSSPECIFICATIONImportedBouldersmaybequarriedorexcavatedandgenerallysmoothinshapewiththelargestrockfacesbeingapproximatelyflat.Bouldersshallbeofaconsistentmaterialfortheentireprojectandshallbeacolorthatisaestheticallyneutralwiththenativelandscape.BouldergradationsshallconformtoTable2bynumber,andmeasurementoftheintermediateaxis(“B”Axis).Theminoraxis(shortestdimensionor“C”-Axis)shallnotbelessthanindicatedinTable3.Bouldersexposedinthegradecontrolsandkeyedintothetoeofeachstructureshallhaveaminimumintermediateaxis(B-Axis)of48inches.Table3.B-AxisBoulderGradations(inches)NumberofStonesIndicator36inch48inch60inch72inch<10%Greater48607284>75%Between42&3056&406$&4878&600%Less24304254ImportedBouldersshallconsistofhard,densedurablestone,resistanttoweathering.Surfacestonesshallhaveaaestheticneutralcolor.Stoneshallbesuitableforincidentalhumancontact.CONTRACTORshallsubmitsourceinformationandsamplestoENGINEER.TheENGINEERshallapproveBouldermaterialbeforeuse.GraniticandBasalticboulderssubjectedtoweatheringsuchasglacialoralluvialflowswillbepreferred.RCS-i5 CCBouldersmaybeapprovedbytheEngineerif,byvisualinspection,therockisdeterminedtobesoundanddurable.TheEngineermayrejectbouldermaterialif,intheEngineer’sopinion,thematerialismarginalorunacceptableorhaspooraestheticvalue.AttherequestoftheEngineer,theContractorshallfurnishlaboratoiytestresultsindicatingthatthematerialmeettherequirementsincludingthosebelow:---Bouldersshallhaveaminimumspecificgravityof2.65.---AbrasionresistancebyLosAngelesMachine;TestMethodASTMC535;SpecificationRequirement:15%loss,maximum.--SoundnessbyuseofSodium/MagnesiumSulfate,TestMethodASTMD5240-04StandardTestMethodforTestingRockSlabstoEvaluateSoundnessofRiprapbyUseofSodiumSulfateorMagnesiumSulfate;SpecificationRequirement:5%loss,maximum.--SoundnessbyFreezingandThawing,TestMethodASTMD5312-04StandardTestMethodforEvaluationofDurabilityofRockforErosionControlUnderFreezingandThawingConditions;SpecificationRequirement:5%loss,maximum.RC5-16 CCSECTION5CONSTRUCTIONOFCONCRETESTRUCTURES5.01GENERALThefollowingspecifications,standardsandcodesshallgoverntheconstructionofanyandallconcretestructures,whereapplicable,withmodificationsasspecifiedherein:CDOTConstructionStandardsandSpecificationsAC!318-BuildingCodeRequirementsforReinforcedConcrete.ACI301-StructuralConcreteACI304R-GuideforMeasuring,Mixing,TransportingandPlacingConcreteASTMA$84/A884M-04StandardSpecificationforEpoxy-CoatedSteelWireandWeldedWireReinforcement5.02CONCRETEConcreteshallbe:A.Minimum4,000psi28daystrengthB.Aircontent5.5%+-O.5%C.Grade60epoxycoatedreinforcingsteelD.4-6inchslumpContractorshallprotectworkfromvandalsuntilset.CONTRACTORshalldeliverconcretefreeofmarks,stains,etc...Pressurewashingmayberequiredpriortoacceptanceofwork.CONTRACTORshalldeliversmoothhorizontalandverticalcurvatureonpavingsegmentsasdeterminedbyOWNER.Allelevationsandgradessetusingappropriatesurveyequipment.Pavingsegmentswithwavyedges,humps,and/ordipswillberemovedandreplacedattheexpenseofthecontractor.5.02.A.ANTI-FREEZINGADMIXTUREIffreezingtemperaturesarepresent,anacceleratorsuchasPolarsetmaybeusedpermanufacturersrecommendations,as1-2%oftotal.5.03CONCRETETESTINGProvideanASTMD1077compliantandACIcertifiedlaboratoryandprovidelevelIACIcertifiedfieldsamplingtechnicians.Forevery50CYofconcreteprovideone(l)testof:A.TemperatureperASTMC1064B.AircontentperASTMC231C.SlumpperASTMC143D.CompressivestrengthperASTMC31E.FlexurestrengthperASTMC78.RCS-17 CCSECTION6LANDSCAPEINSTALLATION6.01PLANTINGSTheCONTACTORisresponsibletoprovidewatersuitableforestablishmentofvegetation.Watershallbefreefrompollutantsharmfultoplants.6.O1.A.ErosionControlGrasses.AllsoilareaswithintheProjectLimits.disturbedbyconstructionactivities,shallbeseededwitherosioncontrolgrasses.AllmixesshallbeCertifiedSeedthatisweedfreeandnativestrandsofPureLiveSeed(PLS).Table4providestheseedtypeandrateforallareasoutsideoftheRiparianCorridor(DrylandMixSpecies.)Table5providestheseedtypeandrateforallareaswithintheRiparianCorridor(RiparianMixSpecies.)TableNo4.DrylandMixSpeciesPLS/Acre*Westernwheatgrassvar.Arriba35%Thickspikewheatgrassvar.Critana25%Alkalisacaton10%Bluebunchwheatgrass10%Indianricegrassvar.Rirnrock5%Sideoatsgrama5%Bottlebrushsquirreltail10%*drilledappiication=17lbsperacre,*broadcastapplication34lbsperacre.a.SoilPreparation:Afterdisturbancehasceased,soilshallbegradedandrakedto0.25”to0.5”tocreateaseedbed.Soilsmustbemoistpriortoseedapplication.Sprinkleareastobeseededwithwater,usingfinespraytoavoidwashingorerosionofsoil.b.SeedApplication:Handbroadcastatspecifiedrateandlightlyrakeintosoil.Evenlyapplyweedfreestraw2inchesthickovertheseedstoreduceerosionandwindlosses.Donotusestrawcontainingnoxiousweedsandforeignmaterials.Donotapplyseedswhenweatheristoowindy,hotordrying,orotheradverseconditionsexist.Optionalhydromulchatbetterthanspecifiedcoverage.6.OLBRiparianGrassesTableNo5.RiparianTransitionalMixSpeciesPLS/Acre*Westernwheatgrassvar.Arriba35%RCS-I8 CCStreambankwheatgrassvar.Sodar30%Greenneediegrassvar.Lodorm10%Arctic/Balticrush5%Gailetagrass5%Alkalisacaton5%Bigbluegrassvar.Sherman10%*driliedapplication=19lbsperacre,*broadcastapplication=38lbsperacre.a)SoilPreparation:Placestoredtopsoiltoaminimumof6inchesindepth.Soilshallbegradedandrakedto0.25”to0.5”tocreateaseedbed.Soilsmustbemoistpriortoseedapplication.Sprinkleareastobeseededwithwater.usingfinespraytoavoidwashingorerosionofsoil.b)SeedApplication:Within48hoursofsoilplacement,broadcastseedatthespecifiedrateandlightlyrakeintosoil.Donotapplyseedswhenweatheristoowindy,hotordrying,orotheradverseconditionsexist.ImmediatelyafterseedapplicationallareasshallhaveanErosionControlBlanketoverlaidandinstalledasspecifiedinSection6.04.c)Allareasthatarenotcoveredbyerosioncontrolblanketshallapplyweedfreestraw2inchesthickovertheseedstoreduceerosionandwindlosses.Donotusestrawcontainingnoxiousweedsandforeignmaterials.d)btoadcaststrawmulchorapplyhydromulchinallseedareasexceptforareascoveredbyerosioncontrolblanket.6.O1.CRiparianPlantings.Anywillows,cottonwoodsornativevegetationdisturbedshallbereplantedinequivalentcoverage,atequivalentelevations,inexistingopenareas.1.BailandBurlappedPlantsN/A2.ContainerizedPlantsContainerizedplantsshallnotberoot-boundintheircontainers,Rootsthatcirclethecontainercanbecomestrangulatedrootsmayhinderfuturegrowthoftheplantandwillberejected.Extensiverootsthathavegrownoutthroughthedrainportsofthecontainermaybedriedordamagedandbecomeasourceforinfectionandadditionalstressfortheplant.Anyorallabnormalitieslistedaboveshallbereasonforrejection.3.TransplantingOn-siteVegetationNativevegetationtobedisturbedbyexcavationactivitiesshallbetransplanted.Vegetationsuitablefortransplantsshouldbehealthynativespecies.Pruneshrubortreetoapproximately6feetinheight.Cleanlycutallbrokenanddamagedlimbs.HerbaceousRCS-19 Ccclustersarealsosuitablefortransplants.Excavateaholethatislargerthanthetransplantrootball.Scooptheentirerootmassofthetransplantwiththebucketofatrackhoe,keepingintacttherootballandsoils.Immediatelyplacetransplantintheexcavatedholeandhandbackfilllightlycompactingthesoil.Watertransplantasnecessarytoensuresurvival.6.01.C.Fertilizers.N/A6.01.D.Staking.N/A6.01.F.Fencing.Allplantedballandburlaptreesandpolesshallhavesmallmammalprotectivefencing.Fencingshallbe14gaugeweldedwire,orchickenwirewithlessthan6inchspacing.Theweldedwireshallbeheld6inchesfromthetruckandplacedasacylinderaroundthetrunkofthetreeataminimumof4feetinheight.Theweldedwireshallbefastenedtohardwoodstakeswithcord.Theweldedfencingshallbeflushwiththeground.6.02RIPARIANSHRUBPLANTINGS6.02.ASpacingofshrubs.Thelayoutoftheshrubsshallbeplantedstaggered(nothorizontalorverticallines)asshownonProjectDrawings.TheProjectDrawingsprovidetheareasforRiparianShrubPlantingsandSpeciesList.MinimumspacingofplantingsisspeciesandtypedependentandlistedindrawingplanL.550andmaynotbetoscaleinthedrawings.6.02.BRiparianShrubProducts.TheRiparianAreashallbevegetatedwithnativecontainerizedshrubplants.Containerizedplantsshallbewellestablishedinthecontainerwitharootsystemsufficientlydevelopedtoholdtogetherwhenremovedfromthecontainer.Containerizedriparianshrubsshallbe1or5gallonpotsasspecified.Plantsshallnotbepotboundnorhavekinked,circling,orbentroots.Therootballperipheryshallbefreeofcirclingrootslargerthan¼inchindiameter.Ifrootshavegrowninaspiralfashioninsidethecontainer,thetreemaybe—rootboundi.6.02.CRiparianShrubInstallation.a.Toencouragestraightrootstoform,makefour(4)verticalincisionsdownthesidesoftherootballone-fourth(1/4)inchindepth90degreestoeachother,andacrisscrossincisiononthebottom.6.03RIPARIANCOTTONWOODPOLESRiparianCottonwoodPolesmaybeharvestedonsitefromwithintheProjectLimits.TheCottonwoodPolesshallbeaminimumof4inchesindiameterand$feetinlength.TheselectedPolesshallbehealthy,livewoodthatisreasonablystraight.Uselivewoodatleast2yearorolder,withsmoothbarkthatisnotdeeplyfurrowed.Avoidsuckersofcurrentyearsgrowth.CottonwoodPolesmustbeharvestedduringthedormantseasonandplantedinthelatefallorearlywinter;priortobudbreakandspringrunoffflows.Makecleancutswithunsplitends;topRCS-20 CCendsshouldbecutstraightandbutt-endsshouldbecutwitha45degreeangle.Painttopendswithapaintandwatermixture(50/50)toindicatewhichendisthetopandtopreventmoistureloss.Trimbranchesfromcuttingascloseaspossibletottunk.Holesmustbedugtoadepthof1.5feetbelowtheOHWlineorasshownonProjectDrawings,oraminimumof1.5feetinmoistsoil.Theuseofa“Stinger”mayberequiredtodigtheholes.PlacePolesinholewithbutt-enddown.TheCottonwoodPolesshallbebackfilledwithaminimumof3feetofaeratedsoilabovethemoistsoil.ThePolesshallbe2/3belowgroundwith2-5budscaresabovethegroundlevel.Polesshallbeplantedwith6feetmaximumspacing.Cottonwoodpoletopsshouldbepaintedwithalatexlightcolorpaint50/50mixwater/painttopreventwaterloss.6.04EROSIONCONTROLBLANKETAllNaturalbiodegradableErosionControlBlankets(ECB)shallbeplacedonalldisturbedslopesgreaterthan10percentgrade.AllNaturalbiodegradableErosionControlBlankets(ECB)shallbeplacedonrestoredbanks.OnetypesofErosionControlBlanketshavebeenpreapproved:CC-4byWesternExcelsiororapprovedequivalent,www.westernexcelsior.com.Donotorder,deliver,orinstallotherproductswithoutawrittenapprovalbytheENGINEER.Installpermanufacturesrecommendations,anddetails.Storeallcoirfabricelevatedoffthegroundandinsurethatitisadequatelycoveredtoprotectthematerialfromdamage.Protectfabricfromsharpobjectsthatmaydamagethematerial.Materialsdamagedduringtransport,storageorplacementshallbereplacedattheCONTRACTORexpense.TheENGINEERshallinspectandapproveallmaterialspriortoinstallation.6.05TOPSOILAvailabletopsoilshallbesalvagedaminimumof6inchesindepthfromalldisturbedareas.Salvagedtopsoilshallbestockpiledinareasthatshallnotinterferewithconstructionphasesandatleast15feetawayfromareasofconcentratedflowsorpavement.Theslopesofthestockpileshallnotexceed2:1horizontaltovertical.Asiltfenceorotheradequateerosioncontrolshallbeinstalledaroundtheperimeterofeachstockpile.6.05.A.TopSoilApplication.Topsoilshallbeappliedtoallareasforseedingandplanting.Topsoilshallbeappliedataminimumof6inchesdepthonallseededareas,andshallbeusedtobackfillallshrubandtreeplantingstothedepthandtwicethewidthoftherootball.TopsoilshallnotbeplacedwhenthegroundorTopsoilisfrozen,orexcessivelywet.Followingthespreadingoperation,theTopsoilsurfaceshallberakedtofinalgradeswithoutsurfaceirregularitiesthatcotildcontributetoconcentratedwaterfiowdownslope.Topsoilshallberakedwith0.5inchundulationsforaseedbed.6.05.B.TopSoilMaterial.Importedtopsoilshallbeanaturalsandyloamthatisweedfree.ImportedTopsoilshallbeproperlystoredandprotected,andshallbefreeofroots,hardclayandRCS-21 CC:stoneswhichshallnotpassthroughai-inchsquareopening.Itshallbealoamymixturehavingatleast90percentpassingNo.10sieve.Belowliststhesoilproperties:1.Containnolessthan2percentnormorethan13percentorganicmatter,asdeterminedbythetestfororganicmatterinaccordancewithASTMD2974.2.Containnolessthan12percentormorethan40percentclay,asdeterminedinaccordancewithASTMD422.3.Sandcontentshallnotexceed55percent,asdeterminedinaccordancewithASTMD422.4.ThepHshallnotbelowerthan5.0orhigherthan8.0.ThepHshallbedeterminedwithanacceptablepHmeteronthatportionofthesamplepassingtheNo.10sieve,inaccordancewiththe—SuggestedMethodsofTestsforHydrogenIonConcentration(pH)ofSoils,incltidedintheASTMProceduresforTestingSoilsissuedDecember1964.5.Onehundredpercentshallpassthe1-inchscreen;97-100percentshallpassthe1.5-inchscreen,and40-60percentshallpasstheNo.100meshsieve.6.Topsoilshallbefreeofclods,gravel,andotherinertmaterial.Itshallbefreeofthistle,reedcanarygrass,creepingfoxtail,noxiousvegetationandseed.Shouldsuchregenerativematerialbepresentinthesoil,theCONTRACTORshallremove,athisexpenseandinamannersatisfactorytotheOwner’sRepresentative,allsuchgrowth.bothsurfaceandroot,whichmayappearintheimportedTopsoilwithin1yearfollowingacceptanceofthework.7.AllsoiltobeseededshallbeamendedwithHumateandfertilizerproduct.Themethodofincorporationofamendmentsshallresultinauniformapplicationofmaterialasapproved.Humateshallbeappliedatarateof1500poundsperacre.Thehumateshallbeappliedusingapproximately1gallonofwaterfor1poundofdrypowder.Thefertilizerproductshallbeappliedatarateof2000poundsperacre.SECTION7HYDROLOGY7.01HYDROLOGYHydrologyhereinisbasedonUSGSstreamgageCOLORADORIVERNEARKREMMLING,CO(09058000)forwateryears1980thru2010.Thegaugemaybeaccessedonlineat:http://waterdata.uss.gov/invis/uv?siteno=09058000.TheKremmlinggaugemaynotactuallyrepresentflowsattheprojectsiteandshouldbeusedasareferenceonly.Additionalflownotaccountedforinthetables,orflashfloodingmayoccurontributariesincludingthePineyRiverhttp:!/waterdata.usts.gov/usa/nwis/uv?siteno=09059500immediatelyupstreamoftheprojectsite.Realtimedatamaybeseasonalandisprovisional,subjecttochange.StatisticalAnalysisofhistoricaldataisnotaguaranteefortheflowratesduringconstructionandareprovidedhereinsolelyfortheinformationoftheCONTRACTOR.MaintenanceoltheRiverFlows,diversions,RCS-22 ccerosion,environmentalprotection,BMPsandRiverstagesduringtheconstructionperiodarewhollytheresponsibilityoftheCONTRACTOR.TABLE6.Percentofrecordthataveragedailyflows(cfs)wereexceededontheColoradoRivernearKremrnling,upstreamoftheProjectAreaExceeded5%20%40%50%60%80%95%1-Mar3303704485095546638252-Mar3263664344805616538303-Mar3163734275045686458524-Mar3193774315185696898445-Mar3133774245045726978476-Mar3133904184725766998377-Mar2993794245025747108378-Mar3223874235055797238339-Mar32639143250758870683710-Mar32840044351258771184211-Mar33940042952758472983812-Mar34840043654558073984013-Mar35440043957058175385114-Mar34939945756758776588315-Mar357391480540590785979Exceeded5%20%40%50%60%80%95%16-Mar33337346554258078599117-Mar336379488520581787112518-Mar347400474532587802109519-Mar364417513572585809104520-Mar374415506574603835109521-Mar360420497582595865114522-Mar362414545581610834114523-Mar363441573584622890115024-Mar369444575625641911123025-Mar377432564624658854126526-Mar378430590663679868127027-Mar362410600681688888133028-Mar356410600661712909136029-Mar358422575660718814149530-Mar363418536651698800162031-Mar3604615366236697791755Exceeded5%20%40%50%60%80%95%1-Apr35848357963067079418152-Apr36849255464066376318403-Apr3775126126557137931865RCS-23 CC4-Apr37547663270573299918555-Apr36151368072675399418406-Apr35853168273380295118407-Apr352534708759817103018458-Apr363521681771831100018809-Apr3634996727888401010189010-Apr3994946777517901020187011-Apr405493702740783987184512-Apr3785246567187851090173513-Apr3805596557017841160176514-Apr4046276747467711160168515-Apr49363967977282211301680Exceeded5%20%40%50%60%80%95%16-Apr4456147068028331120179017-Apr4146307178389291140190518-Apr3876487538199941170198019-Apr42364579687310301260202520-Apr37566577690610401250196021-Apr3556327309059691290181522-Apr3586167679249471390185023-Apr36960683595310301370203024-Apr363625915101011101440220025-Apr381622911113011701500226026-Apr393620912107011901490230527-Apr433583959104011101540210028-Apr423588896103011301460195529-Apr414556749107011501590203530-Apr37859775010401200162022051-May3556518739691220163023657.02APPROXIMATEWSELWaterSurfaceElevations(WSEL)arebasedonlimitedsurveyandone-dimensionalhydratilicmodeling.ActualWSELsinthefieldmayvaryfromthoselistedherein.ApproximateWSELsareprovidedhereinsolelyfortheinformationoftheCONTRACTOR.WaterSurfaceElevationswouldbeaffectedanunknowndegreewithtemporaryflowobstructionsofequipment,coffers,temporaryalluviumplacementorotherconstructionactivities.TheCONTRACTORiswhollyresponsibleformonitoringandcontrollingWSELsduringconstructionandanyassociatederosion,flooding,structureintegrityorenvironmentaldamage.RCS-24 CTABLE7Post-ConstructionPredictedWaterSurfaceElevations(feet)RiverStaQTotalW.S.EIevTwoBridges8+974006658.58TwoBridges8+976006659.07TwoBridges8+978006659.46TwoBridges8+9710006659.78TwoBridges8+9712006660.05TwoBridges8+9714006660.28RCS-25 CSECTION8MODIFICATIONSTOTIMEOFCOMPLETION8.1CONSTRUCTIONWINDOWTheIN-STREAMconstructionwindowislimitedtopriortoMay1.ThedateofbeginningandthetimeforcompletionoftheworkareessentialconditionsoftheContractDocumentsandtheworkembracedshallbecommencedonadatespecifiedintheNoticetoProceed.TheContractorwillproceedwiththeworkatsuchrateofprogresstoensurefullcompletionwithintheContracttime.Itisexpresslyunderstoodandagreed,byandbetweentheContractorandtheOwner,thattheContracttimeforthecompletionoftheworkdescribedhereinisareasonabletime,takingintoconsiderationtheclimaticandotherfactorsprevailinginthelocalityofthework.EveryeffortshallbemadebytheContractortocompletetheprojectwithinthe“ContractTime”showninthebid,quoteorproposal.The“ContractTime”anticipates‘Normal”weatherandclimateconditionsinandaroundthevicinityoftheProjectsiteduringthetimesofyearthattheconstructionwillbecarriedout.ContractoracknowledgesthattheProjectsiteislocatedinahighaltitudeenvironmentwhereweatherpatternscanbevariableandextremeduringwintermonths.freezingconditionsarelikelytoberegularlyencounteredduringtheconstructionwindow.FraziliceisawinteroccurrencethroughoutmuchoftheColoradoRiverinColorado.Icecanpileupsignificantlyonmanyin-channelobstructions.Contractoriswhollyresponsibleformaintainingconditionsthatpreventbuildupoficeduringconstructionandfordelaysassociatedwithice.RCS-26 CCSECTION9DEFiNITIONSB-AxisTheintermediate(andoverturning)axisonaboulder.BestManagementPractices(BMPs)WaterandSoilCareMeasuresdesignedtopreventsedimentsoilerosion,minimizeturbidityandprotectwetlands.CofferDamStructureusedtoisolateanareafotdewatering.OrdinaryHighWaterLine(OHWL)ApproximateWaterSurfaceElevationattheIV2yearFlood.In-ChannelWorkAllconstructionworkoccurringbelowtheordinaryhighwaterlineoroneandahalf’yearfloodorinawetchannel.InvertThecross-sectionthatcontrolswaterflow.On-ShoreWorkAllconstructionworkoccurringabovetheordinaryhighwaterlineoroneandahalfyearflood.Protect-In-PlaceProtectionofStructuresorVegetationbynotdisturbingthemwithadjacentconstructionactivities.ThaiwegLowestelevationoftheriverchannelincrosssectionperpendiculartothedirectionofthemaincurrentflow.ToePointwhereagroundslopemeetsalowpointandflattensout.Mostcommonlyinriversitreferstothepointwherethebankslopemeetsthechannelbottomslope.RiverRightTherightsideofthechannelwhenlookingdownstream.RiverLeftTheleftsideofthechannelwhenlookingdownstream.RiparianVegetationVegetationwhichisrootedinthewatertableoftheadjacentriver.WaterSurfaceElevationElevationontheprojectdatum,ofthesurfaceofwaterataspecifiedlocation.RCS-27 VCCGENERALCONDITIONSTOFIXEDBIDCONSTRUCTIONAGREEMENTBETWEENEAGLECOUNTY,COLORADOANDFOREAGLECOUNTYSTATEBRIDGEANDTWOBRIDGESBOATRAMPSANDSITEIMPROVEMENTS1.Contractorshallprovideandpayforlabor,materials,equipment,tools,licenses,transportation,andotherfacilitiesandservicesnecessaryforproperexecutionandcompletionoftheWork.2.IfContractorfailstoobtainthetaxexemption(s)applicabletopublicworksprojectsfromsales,consumer,useandsimilartaxes,Contractorshallpaythesame.CountywillcooperatewithContractortoobtaintaxexemptionforthisproject.3.ContractorshallberesponsibleforhavingtakenstepsreasonablynecessarytoascertainthenatureandlocationoftheWork,andthegeneralandlocalconditionswhichcanaffecttheWorkorthecostthereof.AnyfailurebyContractortodosowillnotrelieveitfromresponsibilityforsuccessfullyperformingtheWorkwithoutadditionalexpensetotheCounty.Countyassumesnoresponsibilityforanyunderstandingorrepresentationsconcerningconditionsmadebyanyofitsofficers,employeesoragentspriortotheexecutionofthisAgreement,unlesssuchunderstandingorrepresentationsareexpresslystatedintheAgreement.4.Beforecommencingactivities,Contractorshall:(1)takefieldmeasurementsandverifyfieldconditions;(2)carefullycomparethisandotherinformationknowntoContractorwiththeAgreement;and(3)promptlyreporterrors,inconsistenciesoromissionsdiscoveredtoCounty.5.ContractorshallsuperviseanddirecttheWork,usingContractor’sbestskillandattention.Contractorshallbesolelyresponsibleforandhavecontroloverconstructionmeans,methods,techniques,sequencesandprocedures,andforcoordinatingallportionsoftheWork.6.Contractor,assoonaspracticable,shallfurnishinwritingtotheCountythenamesofsubcontractorsandsuppliersforeachportionoftheWork.6.1Contractorshallbefullyresponsibleforallactsandomissionsofhissubcontractors,andofpersonsandorganizationsdirectlyorindirectlyemployedbythem,andofpersonsandorganizationsforwhoseactsanyofthemmaybeliabletothesameextentthatContractorisresponsiblefortheactsandomissionsofpersonsdirectlyemployedbyContractor.NothingintheContractDocumentsshallcreateacontractualrelationshipbetweenOwnerandanysubcontractororotherpersonororganizationhaving1 CCadirectcontractwithContractor,norshallitcreateanyobligationonthepartofOwnertopayortoseetothepaymentofanymoniesdueanysubcontractor,orotherpersonororganization,exceptasmayotherwisebyrequiredbylaw.Ownermayfurnishtoanysubcontractororotherpersonororganization,totheextentpracticable,evidenceofamountspaidtoContractoronaccountofspecificWorkdone.7.NochargeshallbemadebyContractorforhindrancesordelaysfromanycausewhateverduringtheprogressofanyportionoftheWork.Inanyevent,CountymaygrantanextensionoftimeforthecompletionoftheWork,provideditissatisfiedthatdelaysorhindranceswereduetocausesoutsideContractor’scontrol,e.g.,weather,ortoactsofomissionorcommissionbytheCounty,providedthatsuchextensionsoftimeshallinnoinstanceexceedthetimeactuallylosttoContractorbyreasonofsuchcauses,andprovidedfurtherthatContractorshallhavegivenCountyimmediate(asdeterminedbythecircumstances,butnotexceeding72hours)noticeinwritingofthecauseofthedetentionordelay.7.1ContractorshallpromptlynotifyCountyinwritingofanylatentphysicalconditionsatthesiteorinanexistingstructuredifferingmateriallyfromthoseindicatedorreferredtointheContractDocuments.CountyshallobtainthenecessaryadditionalinvestigationsandtestsandfurnishcopiestoContractor.IfCountyfindsthattheresultsofsuchinvestigationsortestsindicatethattherearelatentphysicalconditionswhichdiffermateriallyfromthoseintendedintheContractDocuments,andwhichcouldnotreasonablyhavebeenanticipatedbyContractor,achangeordershallbeissuedincorporatingthenecessaryrevisions.Thepartiesagreethat,bywayofexampleonly,openingawallandfindingsomethingthatlogicallywouldbethere,likeanelectricalruntoareceptacleisnotanunforeseencondition.8.Contractorshalldeliver,handle,storeandinstallmaterialsinaccordancewithmanufacturers’instructions.9.ContractorpromisestoperformtheWorkinaworkmanlikemannerandguaranteesallWorkagainstdefectsinmaterialorworkmanshipforaperiodofone(1)yearfromthedateofcompletion.ContractorwarrantstoCountythatthematerialsandequipmentfurnishedundertheAgreementwillbenewandofgoodquality;(2)theWorkandmaterialswillbefreefromdefects;and(3)theWorkwillconformtotherequirementsoftheAgreement.9.1AllguaranteesandwarrantiesofequipmentandothermaterialsfurnishedtoContractororsubcontractorsbyanymanufactuierorsupplierareforthebenefitofCounty.Ifanymanufacturerorsupplierofanyequipmentormaterialfurnishesaguaranteeorwarrantyforaperiodlongerthanone(1)yearfromthedateofcompletion,Contractor’sguaranteeshallextendforalikeperiodastosuchequipmentormaterials.9.2ContractorshallcorrectatitsownexpensewithoutcosttoCountyandwithout CCjinterruptionofCounty’soccupancy,anydefectsinmaterialorworkmanshipandanydamagetootherWorkorpropertycausedbysuchdefectsortherepairingofsuchdefectsforone(1)yearfromthedateofcompletionallasmorefullysetforthinparagraph27hereof.10.Contractorshallcomplywithandgivenoticesrequiredbyallfederal,stateandlocallaws,statutes,ordinances,buildingcodes,rulesandregulationsapplicabletotheWork.IfContractorperformsWorkknowingittobecontrarytolaws,statutes,ordinances,buildingcodes,rulesorregulationswithoutnoticetoandwrittenapprovalofCounty,ContractorshallassumefullresponsibilityforsuchWorkandshallbeartheattributablecosts.ContractorshallpromptlynotifyCountyinwritingofanyconflictsbetweenthespecificationsfortheWorkandsuchgovernmentallaws,rulesandregulations.11.ContractorshallkeepthepremisesandsurroundingareafreefromaccumulationofdebrisandtrashrelatedtotheWork.12.AnyWorkthatmayreasonablybeinferredfromtheContractDocumentsasbeingrequiredtoproducetheintendedresultshallbesuppliedaspartofthecontractpricewhetherornotitisspecificallycalledfor.13.ContractorshallbesolelyresponsiblefortheprotectionoftheWorkandmaterial.ContractorshallhavenoclaimagainstCountybecauseofanydamageorlosstotheWork(exceptthatcausedbynegligenceofCountyorthoseforwhomCountyisresponsible),andshallberesponsibleforthecompleterestorationofdamagedWorktoitsoriginalconditionatitssolecostandexpense.intheeventContractor’sWorkisdamagedbyanotherparty,notunderitssupervisionorcontrol,Contractorshallmakeitsclaimdirectlywiththepartyinvolved.IfaconflictordisagreementdevelopsbetweenContractorandanotherpartyconcerningtheresponsibilityfordamageorlosstoContractor’sWork,suchconflictshallnotbecausefordelayinContractor’srestorationofthedamagedWork.14.Contractor’sInsurance:A.ContractorshallpurchaseandmaintainsuchinsuranceaswillprotectitfromclaimssetforthbelowwhichmayariseoutoforresultfromContractor’soperationsunderthecontract,whethersuchoperationsbebyitself,orbyanyofitssubcontractors,orbyanyonedirectlyorindirectlyemployedbyanyofthem,orbyanyoneforwhoseactsanyofthemmaybeliable.Allsuchinsuranceshallremainineffectuntilfinalpayment,andatalltimesthereafterwhenContractormaybecorrecting,removing,orreplacingdefectiveWork.inaddition,Contractorshallmaintainsuchcompletedoperationsinsuranceforatleastoneyearafterfinalpayment.B.Insurancecoveragesshallbeasfollows:3 CCCoverageforclaimsunderWorkmen’sCompensation,disabilitybenefits,andothersimilaremployeebenefitacts,withcoverageandinamountsasrequiredbythelawsoftheStateofColorado;Coverageforclaimsfordamagebecauseofbodilyinjury,occupationalsicknessordisease,ordeathofitsemployees,andclaimsinsuredbyusualpersonalinjuryliabilitycoverage;Coverageforclaimsfordamagebecauseofbodilyinjury,sicknessordisease,ordeathofanypersonotherthanitsemployees,andclaimsinsuredbyusualpersonalinjuryliabilitycoverage;andCoverageforclaimsfordamagesbecauseofinjurytoordestructionoftangibleproperty,includinglossofuseresultingtherefrom.CoverageforContractor’sLiabilityInsuranceissuedtoandcoveringtheliabilityfordamageimposedbylawuponContractorandeachsubcontractorwithrespecttoallWorkperformedbythemunderthisAgreement.CoverageforContractor’sProtectiveLiabilityInsuranceissuedtoandcoveringtheliabilityfordamagesimposedbylawuponContractorandeachsubcontractorwithrespecttoallWorkunderthisAgreementperformedforContractorbysubcontractors.CoverageforCompletedOperationsLiabilityInsuranceissuedtoandcoveringtheliabilityfordamageimposedbylawuponContractorandeachsubcontractorarisingbetweenthedateoffinalcessationoftheWork,andthedateoffinalacceptancethereofoutofthatpartoftheWorkperformedbyeach.ComprehensiveAutomobileInsuranceshallbecarriedintheamountof$500,000/$1,000,000forbodilyinjuryand$500,000forpropertydamage,eachoccurrence.AllliabilityandpropertydamageinsurancerequiredhereundershallbeComprehensiveGeneralandAutomobileBodilyInjuryandPropertyDamageformofpolicy.ComprehensiveRiskPolicyOption:InlieuoftheseveralpoliciesspecifiedforContractor’sLiabilityInsurance,acomprehensiveliabilityandpropertydamageinsurancepolicyinclusiveofalltheinsuranceandrequirementshereinsetforth,subjecttotheapprovaloftheCounty,willbepermissible.Insurancecoveringclaimsfordamagestopersonsorpropertyrequiredbytheprecedingparagraphshallbeinthefollowingminimumamounts:BodilyInjuryLiability:EachPerson:$2,000,00t)EachAccidentorOccurrence:$2,000,0004 CCPropertyDamageLiability:EachAccidentorOccurrence:$2,000,000Aggregate:$4,000,000InsuranceshallbeplacedjointlyinthenamesoftheCounty,Contractor,andanyandallsubcontractors,andanyandallothersobligedbycontractwiththeCountytodoWorkonthisProject,and,attheCounty’soption,anyotherpersonorpersonswhomtheCountydeemstohaveaninsurableinterestinsaidproperty,oranypartthereof,payableastheirseveralinterestsmayappear.AnyproceedsobtainedfrominsuranceprovidedforbythisparagraphshallbepaidtoandheldbytheCountyastrustee.TheCountyshallhavetherighttowithholdpaymentofsuchproceedsuntilsuchtimeastheWorkdestroyedordamagedandcoveredbysuchinsuranceshallbereconstructedandshallpaysuchproceedsonaninstallmentbasissimilartothatprovidedforbyprogresspaymentscoveringtheoriginalWork.C.CertificatesofInsurance:CertificatesofInsuranceacceptabletotheCountyshallbefiledwiththeCountywithrespecttoeachcontractorandsubcontractorpriortocommencementoftheWork.TheseCertificatesshallcontainprovisionsnamingtheCountyasanadditionalinsuredunderContractor’sinsurance,asmorefullyrequiredbytheGeneralConditionsherein,andthatcoverageaffordedunderthepolicieswillnotbecanceleduntilatleastthirtydayspriorwrittennoticehasbeengiventheCounty.ContractoranditssubcontractorsshallnotpermitanyofitssubcontractorstostartWorkuntilallrequiredinsurancehavebeenobtainedandcertificateswiththeproperendorsementshavebeenfiledwiththeCounty.failureofContractortocomplywiththeforegoinginsurancerequirementsshallinnowaywaivetheCounty’srightshereunder.15.TheCounty,atitsoption,maypurchaseandmaintainsuchliabilityinsuranceaswillprotectitagainstclaimswhichmayarisefromoperationsunderthiscontract.Purchasingandmaintainingsuchinsurance,however,willnotrelieveContractorfrompurchasingandmaintainingtheinsurancehereinbeforespecified.16.BeforepermittinganyofitssubcontractorstoperformanyWorkunderthiscontract,Contractorshalleither(a)requireeachofitssubcontractorstoprocureandmaintainduringthelifeofitssubcontracts,Subcontractor’sGeneralLiabilityandPropertyDamageInsuranceofthetypesandintheamountsasmaybeapplicabletoitsWork,whichtypeandamountsshallbesubjecttotheapprovaloftheCounty,or(b)insuretheactivitiesofitssubcontractorsinitsownpolicy.17.WithoutinvalidatingtheAgreement,Ownermay,atanytimeorfromtimetotime,orderadditions,deletions,orrevisionsintheWork;thesewillbeauthorizedbychangeorders.UponreceiptbyContractor,ofachangeorderapprovedbyOwner,ContractorshallproceedwiththeWorkinvolved.AllsuchWorkshallbeperformedundertheapplicableconditionsoftheContractDocuments.TheContract5 CCPricemayonlybechangedbyachangeorderauthorizedbyCounty.FailureofContractortoobtainachangeorderpriortoperformingtheWorkshallresultinnonpaymentforsuchWork.18.ProgressPayments:Notmoreoftenthanonceamonth,ContractorshallsubmittoCountyanapplicationforpaymentfilledoutandsignedbyContractorcoveringtheWorkcompletedasofthedateoftheapplication,andaccompaniedbysuchsupportingdocumentationasCountymayreasonablyrequire.IfpaymentisrequestedonthebasisofmaterialsandequipmentnotincorporatedintheWork,butdeliveredandsuitablystoredatthesiteoratanotherlocationagreedtoinwriting,theapplicationforpaymentshallalsobeaccompaniedbysuchdata,satisfactorytoCounty,aswillestablishCounty’stitletothematerialandequipment,andprotectCounty’sinteresttherein,includingapplicableinsurance.EachsubsequentapplicationforpaymentshallincludeanaffidavitofContractorstatingthatallpreviousprogresspaymentsreceivedonaccountoftheWorkhavebeenappliedtodischargeinfullallofContractor’sobligationsreflectedinpriorapplicationsforpayment.TheamountofretentionwithrespecttoprogresspaymentswillbeasstipulatedintheAgreement.Countywill,withinten(10)daysafterreceiptofeachapplicationforpayment,eitherindicateinwritingarecommendationofpayment,orreturntheapplicationtoContractorindicatinginwritingitsreasonsforrefusingtorecommendpayment.inthelattercase,Contractormaymakethenecessarycorrectionsandresubmittheapplication.Countyshall,withinten(10)daysofarecommendationofpayment,payContractortheamountrecommended.18.1SubstantialCompletionshallmeanwhentheWork(oraspecifiedpartthereof)hasprogressedtothepointwhereithasreceivedatemporaryorfinalcertificateofoccupancyfromEagleCounty,andintheopinionofCountyasevidencedbyadefinitivecertificateofsubstantialcompletion,itissufficientlycompleteinaccordancewiththeContractDocuments,sothattheWork(orspecifiedpart)canbeutilizedforthepurposesforwithitisintended;orifthereisnosuchcertificateissued,whenfinalpaymentisdueinaccordancewiththeContractDocuments.WhenContractorconsiderstheentireWorkreadyforitsintendeduse,andatemporaryorfinalcertificateofoccupancyhasbeenissuedfortheWork,Contactorshall,inwritingtoCountycertifythattheentireWorkissubstantiallycomplete.Withinareasonabletimethereafter,County,andContractorshallmakeaninspectionoftheWorktodeterminethestatusofcompletion.IfCountydoesnotconsidertheWorksubstantiallycomplete,CountywillnotifyContractorinwritinggivingitsreasonsthereforeandContractorshallcompleteorcorrectsuchitemsidentifiedbyCounty.Thereshallbeattachedtothecertificateatentativelistofitemstobecompletedorcorrectedbeforefinalpayment.6 CC19.Contractorwarrantsandguaranteesthattitletoallwork,materials,andequipmentcoveredbyanyapplicationforpayment,whetherincorporatedintheprojectornot,willpasstoCountyatthetimeofpaymentfreeandclearofallliens,claims,securityinterests,andencumbrances(intheseGeneralConditionsreferredtoasLiens’).20.finalPayment:A.UponwrittennoticefromContractorthattheWorkiscomplete,CountywillmakeafinalinspectionwithContractor,andwillnotifyContractorinwritingofallparticularsinwhichthisinspectionrevealsthattheWorkisincompleteordefective.Contractorshallimmediatelytakesuchmeasuresasarenecessarytoremedysuchdeficiencies.B.AfterContractorhascompletedallsuchcorrectionstothesatisfactionofCounty,anddeliveredallmaintenanceandoperatinginstructions,guarantees,bonds,certificatesofinspection,Contractormaymakeapplicationforfinalpaymentfollowingtheprocedureforprogresspayments.ThefinalapplicationforpaymentshallbeaccompaniedbyalldocumentationcalledforintheContractDocuments,andsuchotherdataandschedulesasCountymayreasonablyrequire,togetherwithcompleteandlegallyeffectivereleasesorwaivers(satisfactorytoCounty)ofallliensarisingoutof,orfiledinconnectionwiththeWork.Inlieuthereof,andasapprovedbyCounty,Contractormayfurnishreceiptsorreleasesinfull;anaffidavitofContractorthatthereleasesandreceiptsincludealllabor,services,material,andequipmentforwhichliencouldbefiled,andthatallpayrolls,material,andequipmentbills,andotherindebtednessconnectedwiththeWork,forwhichCountyoritspropertymightinanywayberesponsible,havebeenpaidorotherwisesatisfied;andconsentofthesurety,ifany,tofinalpayment.Ifanysubcontractor,manufacturer,fabricator,supplier,ordistributorfailstofurnishareleaseorreceiptinfull,ContractormayfurnishabondorothercollateralsatisfactorytoCountytoindemnifyCountyagainstanylien.21.finalpaymentshallnotbecomedueuntilContractorsubmitstoCountyreleasesandwaiversofliens,anddataestablishingpaymentorsatisfactionofobligations,suchasreceipts,claims,securityinterestsorencumbrancesarisingoutoftheWork.finalpaymentissubjecttothefinalSettlementrequirementsandtimeperiodssetforthinC.R.S.§38-26-107.21.1TheCountyshallnotauthorizefinalpaymentuntilallitemsonthepunchlisthavebeencompletedandtheCountyhasreceivedaCertificateofOccupancyfromthelocaljurisdiction,theNoticeofAcceptanceisissued,andtheNoticeofContractor’sfinalSettlementDateispublishedandatleast30dayshaveexpiredwithnoclaimsfiled.21.2.BeforetheCountymayadvertise,Contractorshall:A.DelivertotheEagleCountyProjectManagerforreview:7 CC1.Allguarantiesandwarranties;2.AletterconfirmingthatsalestaxesfromwhichtheCountyisexempthavenotbeenpaid;3.Three(3)completeboundsetsofrequiredoperationsandmaintenancemanualsandinstructionsplusOne(1)electroniccopyplacedonanarchivalqualitycompactdisk;4.Two(2)fullsizesetsofas-builtdrawingsplusOne(1)electroniccopyplacedonanarchivalqualitycompactdisk;5.Totheextentnotalreadyfurnished,onecopyofallcorrectedShopDrawings;6.Satisfactoryevidencethatallpayroll,materialbills,andotherindebtednessconnectedwiththeWorkhavebeenpaidorotherwisesatisfied;7.Acompleteandfinalwaiverand/orreleaseofanyandalllienrightsandliensfromeachsubcontractorofalltiers,material,men,supplier,manufactureranddealerforalllabor,equipmentandmaterialusedorfurnishedbyeachontheWork;8.Consentofthesuretytofinalpayment;and9.AnyotherdocumentsrequiredtobefurnishedbytheContractDocuments.B.DemonstratetotheoperatingpersonneloftheCountytheproperoperationandmaintenanceofallequipment.21.3.Uponcompletionoftheforegoing,Contractor’sSettlementshallbeadvertisedinaccordancewithColoradolaw.Onthedateoffinalsettlementthusadvertised,andafterContractorhassubmittedawrittennoticethatnoclaimshavebeenfiled,finalpaymentandsettlementshallbemadeinfull.21.4.PursuanttoC.R.S.§38-26-107,ifanyunpaidclaimforlabor,materials,rentalmachinery,tools,supplies,orequipmentisfiledbeforepaymentinfullofallsumsdueContractor,CountyshallwithholdfromContractorsufficientfundstoinsurethepaymentofsuchclaim,untilthesameshallhavebeenpaidorwithdrawn,suchpaymentorwithdrawaltobeevidencedbyfilingareceiptinfulloranorderforwithdrawalsignedbytheclaimantoritsdulyauthorizedagentorassignee.8 C21.5.Themakingoffinalpayment,aftertheDateoftheNoticeofContractorSettlementoftheProject,shallconstituteawaiverofallclaimsbytheCountyexceptthosearisingfrom:A.UnsettledClaims;B.faultyordefectiveworkappearingafterCompletionoftheWork;C.FailureoftheWorktocomplywiththerequirementsoftheContractDocuments;orD.TermsofanywarrantiesorspecialwarrantiesrequiredbytheContractDocuments.21.6.Theacceptanceoffinalpayment,aftertheDateoftheNoticeofContractorSettlementoftheProject,shallconstituteawaiverofallclaimsbyContractorexceptthosepreviouslymadeinwritingandseparatelyidentifiedbyContractorasunsettledinthefinalProjectApplicationforPayment.21.7.AllprovisionsoftheContractDocumentsincludingwithoutlimitationthoseestablishingobligationsandprocedures,shallremaininfullforceandeffectnotwithstandingthemakingoracceptanceoffinalpayment.22.ContractorsobligationtoperformandcompletetheWorkinaccordancewiththeContractDocumentsshallbeabsolute.Neithertherecommendationofanyprogressorfinalpayment,northepaymentbyCountytoContractorundertheContractDocuments,noranyuseoroccupancyoftheWorkoranypartthereofbyCounty,noranyactofacceptancebyCounty,noranyfailuretodoso,noranycorrectionofdefectiveWorkbyCountyshallconstituteanacceptanceofWorknotinaccordancewiththeContractDocumentsorareleaseofContractor’sobligationtoperformtheWorkinaccordancewiththeContractDocuments.23.AnyWorkinaccordancewiththeContractDocumentsthattheCountyfindsimproper,ContractorwillcorrectsaidWorkatitssolecostandexpenseandinatimelymannersoasnottodelaycompletionoftheProject.24.IfContractordefaultsorneglectstocarryouttheWorkinaccordancewiththeAgreementandfailswithinaten(10)dayperiodafterreceiptofwrittennoticefromtheCountytocorrectsuchdefaultorneglectwithdiligenceandpromptness,theCountymay,withoutprejudicetootherremedies,correctsuchdeficienciesandContractorshallberesponsibleforthecostofsuchcorrection.25.Contractorshallberesponsibleforinitiating,maintainingandsupervisingallsafetyprecautionsandprograms,includingallthoserequiredbylawinconnectionwithperformanceoftheAgreement.Contractorshallpromptlyremedydamageandlossto9 CCpropertycausedinwholeorinpartbyContractor,orbyanyoneforwhoseactsContractormaybeliable.26.ContractorshallpromptlycorrectWorkrejectedbyCountyasfailingtoconformtotherequirementsoftheAgreementandContractorshallbearthecostofcorrectingsuchrejectedWork.27.ContractorwarrantsandguaranteestoCountythatallWorkwillbeinaccordancewiththeContractDocumentsandwillnotbedefective.PromptnoticeofalldefectsshallbegiventoContractor.If,withinone(1)yearsafterthedateofcompletion,orsuchlongerperiodoftimeasmaybeprescribedbylaw,prescribedbythetermsofanyapplicablewarrantygivenbyamaterialssupplierorrequiredbyorapartoftheAgreement,anyWorkisfoundtobedefective,Contractorshallpromptly,withoutcosttoCounty,andinaccordancewithCounty’swritteninstructions,eithercorrectsuchdefectiveWork,or,ifithasbeenrejectedbyCounty,removeitfromthesite,andreplaceitwithnon-defectivework.IfContractordoesnotpromptlycomplywiththetermsofsuchinstructions,orinanemergencywheredelaywouldcauseseriousriskoflossordamage,CountymayhavethedefectiveWorkcorrectedortherejectedWorkremovedandreplaced,andalldirectandindirectcostsofsuchremovalandreplacement,includingcompensationforadditionalprofessionalservices,shallbepaidbyContractor.28.TheperformanceoftheWorkmaybeterminatedatanytimeinwhole,orfromtimetotimeinpart,byCountyforitsconvenience.AnysuchterminationshallbeeffectedbydeliverytoContractorofawrittennotice(“NoticeofTermination”)specifyingtheextenttowhichperformanceoftheWorkisterminatedandthedateuponwhichterminationbecomeseffective.AfterreceiptofaNoticeofTermination,andexceptasotherwisedirectedbyCounty,Contractorshall,ingoodfaith,andtothebestofitsability,doallthingsnecessary,inthelightofsuchnoticeandofsuchrequestsinimplementationthereofasCountymaymake,toassuretheefficient,propercloseoutoftheterminatedWork(includingtheprotectionofCounty’sproperty).Amongotherthings,Contractorshall,exceptasotherwisedirectedorapprovedbyCounty:A.stoptheWorkonthedateandtotheextentspecifiedintheNoticeofTermination;B.placenofurtherordersorsubcontractsforservices,equipmentormaterialsexceptasmaybenecessaryforcompletionofsuchportionoftheWorkasisnotterminated;C.terminateallordersandsubcontractstotheextentthattheyrelatetotheperformanceofWorkterminatedbytheNoticeofTermination;D.assigntoCounty,inthemannerandtotheextentdirectedbyit,alloftheright,titleandinterestofContractorundertheordersorsubcontractssoterminated,inwhichcaseCountyshallhavetherighttosettleorpayanyorallclaimsarisingoutoftheterminationofsuchordersandsubcontracts;10 CCE.withtheapprovalofCounty,settlealloutstandingliabilitiesandallclaimsarisingoutofsuchterminationorordersandsubcontracts;andF.delivertoCounty,whenandasdirectedbyCounty,alldocumentsandallpropertywhich,iftheWorkhadbeencompleted,ContractorwouldberequiredtoaccountforordelivertoCounty,andtransfertitletosuchpropertytoCountytotheextentnotalreadytransferred.Intheeventofsuchtermination,ContractorshallbeentitledtopaymentfortheWorksatisfactorilyperformedpriortotheterminationdate.29.TheselectionofbiddersshallbeinaccordancewiththelawsofColorado.IntheeventofContractor’snon-compliancewiththeColoradolaborlaws,thisContractmaybecanceled,terminatedorsuspended,inwholeorinpart,withoutanyliabilitytotheCounty.30.ContractoracknowledgesthattheWorkisapublicworkfinancedinwholeorinpartbyfundsofthestateofColoradoand/orCounty,andpursuanttosectionTitle8-17-1t)1,C.R.S.(1973).ColoradolaborshallbeemployedtoperformtheWorkintheextentofnotlessthaneightypercent(80%)ofeachtypeorclassoflaborintheseveralclassificationsofskilledandcommonlaboremployedintheWork.Forpurposesofthisprovision,“Coloradolabor”means“anypersonwhoisaresidentofthestateofColoradoatthetimeofemployment,withoutdiscriminationastorace,color,creed,sex,age,orreligionexceptwhensexorageisabonafideoccupationalqualification.”31.ContractoragreestocomplywiththeletterandspiritoftheColoradoAnti-discriminationActof1957,asamended,andotherapplicablelawsrespectingdiscriminationandunfairemploymentpractices.Pursuantthereto,thefollowingprovisionshallbecontainedinallcontractsorsubcontractsduringtheperformanceofthisContract:A.Contractorwillnotdiscriminateagainstanyemployeeorapplicantforemploymentbecauseofrace,creed,color,nationalorigin,sex,maritalstatus,religion,ancestry,mentalorphysicaldisability,sexualorientation,orage.Contractorwilltakeaffirmativeactiontoinsurethatapplicantsareemployedandthatemployeesaretreatedduringemployment,withoutregardtotheabovementionedcharacteristics.Suchactionshallinclude,butnotbelimitedto,thefollowing:employment,upgrading,demotionortransfer,recruitmentorrecruitmentadvertising;lay-offsorterminations;ratesofpayorotherformsofcompensation;andselectionfortraining,includingapprenticeship.Contractoragreestopostinconspicuousplaces,availabletoemployeesandapplicantsforemployment,noticestobeprovidedbythecontractingofficersettingforthprovisionsofthisnon-discriminationclause.11 CB.Contractorwill,inallsolicitationsoradvertisementsforemployeesplacedbyoronbehalfofContractor,statethatallqualifiedapplicantswillreceiveconsiderationforemploymentwithoutregardtorace,creed,color,nationalorigin,sex,maritalstatus,religion,ancestry,mentalorphysicaldisability,orage.32.InadditiontotheindemnificationintheAgreement,andtothefullestextentpermittedbylaw,ContractorshallindemnifyandholdharmlessCounty,andEagleCountyBoardofCommissioners,employeesandtheagentsofanyofthem,fromandagainstclaims,damages,lossesandexpenses,includingbutnotlimitedtoattorneysfees,arisingoutoforresultingfromperformanceoftheWork,providedthatsuchclaim,damage,lossorexpenseisattributabletobodilyinjury,sickness,diseaseordeath,ortoinjurytoordestructionoftangibleproperty(otherthantheWorkitself)includinglossofuseresultingtherefrom,butonlytotheextentcausedinwholeorinpartbynegligentactsoromissionsofContractor,asubcontractor,anyonedirectlyorindirectlyemployedbythemoranyoneforwhoseactstheymaybeliable.33.ColoradoStatutesdonotprovideforanyrightoflienagainstpublicbuildings.Inlieuthereof,Title38-26-107etseq.C.RS.,asamended,providesadequatereliefforanyclaimanthavingfurnishedlabor,materials,rentalmachinery,tools,equipmentorservicestowardconstructionoftheparticularpublicworkinthatfinalpaymentmaynotbemadetoaContractoruntilallsuchcreditorshavebeenputonnoticebypublicationinthepublicpressofsuchpendingpaymentandgivenopportunitytostoppaymenttoContractorintheamountofsuchclaims.12 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VICINITY MAP 011 10 S 0 1.ICINITV Map SCALE I’.5000’ SHEET INDEX 50OPt C—I cR001 RICEP 50EET C—2 0151110 0000)00445 0000T C-3 910 PEAR 5000T C-IA OAAQMQG 1140 DRMNACE PLAN IAIOET C—S UETCLS SHEET cREEP A—I PLANVEW cREEP R—2 CARE OF WAlER ERECT 0—I CARE CF WAlER RETAILS ERECT 0—2 44042 PONT PRELUTON CONIWOP cREEP 0—3 BOAT RAMP DETAiLS ERECT 0—I [10900 C012TROL BLANKET ERECT 0—5 PLANENC DETAiLS (Nor INEEUDEO) C ThIrr csrcR CIA 0111172.2212111911.11.(11,1111W 12.151.)(III) llTTb4 00111.112011.1,2.IA((lIT) 11,1,1.11*100 0*1,.IA .1.1 0,1..)111)HIAGIAI 2201(15 MAP SCALE (‘.250’SHEETc—i ii---pBB-4—VB-V/—‘1—V--V--V——-—--V--V-—--V_-\,--—-‘————-7—21------V,——-/——-V>\\\N--V--V--V\\V_----V----—;——-------/-——-V——-——-VB/--V—-V—————S—————V_———__7,i———————VS_//6-——5-----——:——/1VVVCDC-VuImCDo1’1/NV-V5IS-?-rS.---—V•S—-V/,L—55N/---SECT/0N9----------.-----.---C-—---o---—----Vo----zCl)0t.-,InEXIdONGCONDITIONSIWOBRIDGESOPENSPACERWROVITIENISCAGLECO1/NTY.COC(/RAIYMARCINENGINEERINGLLCP.O.BOX1062AVON,C0-ORAOO97C—74B—C274 \\\\\\NOLLDfld1NDDdOdION\\\\\S_______:::1\\\-\\\‘S;\\\\\\\\/\\\\N\)___\\\\\\//\\\\\\\/-:\\\\\\1\\“—/--//N0—-—\-—F/\Is/2/]‘-\\\°c7I/\\\\\\/----i/cNNL0\/\\\////A\\MH!HOISDdOHd]wj5NDItNUQfl,<‘Sooz////‘!!‘IIoo//AId\\__________________//‘/OGVdO1000________________________//\\0 z__-------------—I;:1zfZ74z-----------c)c1’/\_I1c>c\/Z\‘\N2-2\---y_c___-__z‘----:--g2-N’<-----;j1L12z0-1‘1I,o.I(II2ADI4GANDDRAINAGEPtM4II•r)IIiiIIIMARCINENGINEERINGLLCAVCNI,COLORADOIIWOBRIDGESOPBRSPACEIMPROVEMENTSP.O.BOX1062EAGLECOUNTY.COLORAr970—748—0274 0 0 C( r A I IAVEL DrVEWAY!PANQ LOT DETAIL 1 B TYPIOAL CONC)ETE SCEWALK A PAD SECTION Mq I-Shui.Sd&a C—”——— 0 CD ! I__ __ 04 fl*LR0*3 IC 0C7fl4 C I PARING PAD CONCRETE SEO17ON D I PA(]NG STALL DETAL-EU ALTNATE E1EThAW WATTLE/ROLL DECAL FBPhk4k F SLT FENCE DEIAJLOIO CMZ:N/A SHEET C—5 Wi U Wi U _J u_ < UJHU tJArr-NOI FOK CON5TKUC11ON L0 RIVER 2OOOb2 O3-O-2Oi2 NOTE: 1.ALL CONCRETE LADEN WATER MUST BE CONTAINED OR EVAPORATED ONSITE AND NOT RETURNED TO THE COLORADO RIVER OR CONNECTING DRAINAGES 2.CONTRACTOR SHALL UPDATE CARE OF WATER PLANS PER ACTUAL IMPLEMENTATION ‘S ,—PROPERTY BOUNDARY S... S.. I’//S I .K,,‘ ‘7 / /,1 I I Sr /,. —I I “,“,‘“///‘S .‘/i / ‘)fEMPOR)(RY //,‘-..I I / WKTER1’U,IP /‘\\ I’ ,-,/ /‘S ,, ,,“(S // ,‘a’,I’ /,/I.‘\\ 5’/ a //5//I/S ,/ ,‘S ‘IS /7 a //1 -//‘-\“/ S ////“ /// .. )///// yr //,/ I 1 /ç //, < ///),1 I1 R ,.//I 1 /.,‘ ,. /5 a ,‘a I ‘/ S //,‘ // ,/K , tf’//////J //‘S’S.’,I S -CONCRETE WASHO D ‘I ‘“ /‘- ‘S’/II ‘Y.S,. 5/ 5—S I I \/15 / // \‘S C I ‘/,‘//‘5/ /‘S — - S ,/, —“‘S...‘ -/S ,/—GRAPtIIC SC4LE S ‘l //5 ,—‘ /.a,,I ,, .S /I’5/as “ //a,..‘L --______ _ -- OIL BOOM TURBIDITY CURTAIN LOCATION OF DISCHARGE NON-CONCRETE LADEN WATER JERSEY BARRIER ACCESS RAMP TEMPORARY COFFER DAM TURBIDITY CURTAIN / / / / S.. U] z -1a u EuzU] U]F- -J UU] U]HU DRATF-NOI FOR CON5TRUCTION ‘S ‘I -\/,S I//I ‘S.\ 55 /\/5,\ 5//‘S’ -J /)‘a / //-f //// qrnCD09rnrnCDrnCDC0‘9-nTi-HCCDw0-HCCDzCDI>.5S-H-K-oCDU,‘9C-10z‘90CD0‘9CD090zCI>1z‘9CD>IrppS:‘!‘-as02’CDCDCCDCDC0CDCDCD-1CCDCD0CCCD-ICDz09CDC-1CD-1CDCCDCDL/Th-1CCDCDCH-KCCD-1CDz-K‘CD‘5CD-HrCDPCDCDCCCDCDCDCCDCDIC‘CDrn!D00‘9CiCCKCKC1C09-1CDCzCDzCD-1CDCDCDCD-4CDzzCU,ICDCD-1CDzCCDII,L.PAGLECOUNTYOPENSPACETWODPJDGESbOATRAMPDRAPTDESIGNCAREOPWATER SHOREUNE RAPID ANCHOR PEP..P5)POOL ‘RAPIO OIL BOOI (TYPICL PLAN VIEW -NTS OEO—TUBEEILTEP TYPICAL) NTS J U COLDRYDO OVER -PATTEd IN PLACE ADJACENT TIPATIAC VLGERAPIRN SILT FENCE RI ATE RECTA DUPE STRAW BALE cTYPICAL) NTS STONE BERM NTS AA b-AYIS (OVERTURNING P515)GOUWER DETAIL NTG NED TEMPORARY EQUIPMENT ACCESS (TYPICAL) -J 0 0 U z 0 H -J -J 0 Hz 0a z 0z U-i 0u 0 0/ UJ<0- oDu Uo/ UJ -J OONRT lIST FOR CONSTRUCTION ETHICAL LAYDAT FOR STREAMS AND RIDERS TO RE PLACED DOWNSTREAM OF ANY EQAIPMENT WORKINO IN THE WET SILT PENCE (TYPICAL) NTS z:ET %Y TA Wi uJ<0 zuJ oD UuZ uJ -J UJH CCCN&1 -I 0” ,TN-!.=ro ‘ON POINT _______ r (CONCRETE RAMP SURfACE PIFUSM --4NDOAT RAMP END 4- A BAH3 IA CC EAC’-A CE CLAEEEECADEACC 0-0 (C)EL EAHL EVENLy EFAJCC u-N) —J Fu-i Ii -I )E’1 1 3--, CCILAC OLE C MNEEAL EL (0 CEP1H) 4•-0”20-0” 4ZN5IDE *TOP EDGE FOOTING 4NPJOAT RAMP iN -iT’V LVEEEEALLUJ EACH LAY /\SHOAL-COO A CHOL CHASE C )ASC CCYCLCTEC 0CACEAyE EG-HAC.C .O S HA- LOS u]CECCALN,UN1 000CNG CCN’AOH EASE C CCEVNUCUS YALE ACN ESTEE EASE-HA INYITATE CCEWACY SE-V USC ACCESS CUT ) DRAFT-NOT FOR CONSTRUCTION RIVER 002 03-00-2012 T2 n000FFPAGLECOUNTYOPPN5PACPTWODRJDGP5bOATRAMPIpzzrnCU)CzCC—1CIr>izI7m—IrnCwzU)->nfl>-HCzF(I/FI-\‘it1t3?FjN>\N>\\-rFFHFFFF-LIITH+FHO0ccDRAPTDE5IGNEROSIONCONTRDL5LANRET5 EagleCountyGovernmentCLETTEROFTRANSMITTALProjectManagementDepartmentPDBox850,Eagle,CO816313289CooleyMesaRd.Gypsum,CO81637Ph#970.328.8780/Fax#970.3283539TO:OldcastleSWGroup,Inc.,DBAB&BExcavatingP.O.Box4870Eagle,CO81631WEARESENDINGYOU•AftachedDUnderseparatecoverviathefollowingitems:COPIES11111DATEApril17,2012Match26,2012March2012Match2012NO.111Match8,201222DESCRIPTIONFixedBidConstructionAgreementBidFormsExhibitA-i&A-2GeneralConditionsStateBridge&TwoBridgesOpenSpaceImprovementDrawingsStateBridgeandTwoBridgesRiverConstructionSpecificationsTHESEARETRANSMITTEDascheckedbelow:ForapprovalDApprovedassubmittedDResubmit—copiesforapprovalForyouruseDApprovedasnotedDSubmitcopiesfordistributionAsrequestedReturnedforcorrectionsDReturncorrectedprintsForreviewandcommentDFORBIDSDUECPrintsreturnedafterloantousREMARKS:Chip,Hereistheexecutedcontractagreementforyourrecords.DATE:4/20/12\UN:ChipBaitRE:Agreement—StateBridge&TwoBridgesCShopDrawingsCPrintsCPlansCSamplesCSpecificationsUContractCChangeOrderCNoticetoProceedCAmendmentCOPYTO: To Be Inserted] 14 A 4m CERTIFICATE OF LIABILITY INSURANCE DATEIM 2OmYY) THIS CERTIFICATE IS ISSUED AS A MATTER OF INFORMATION ONLY AND CONFERS NO RIGHTS UPON THE CERTIFICATE HOLDER. THIS CERTIFICATE DOES NOT AFFIRMATIVELY OR NEGATIVELY AMEND, EXTEND OR ALTER THE COVERAGE AFFORDED BY THE POLICIES BELOW. THIS CERTIFICATE OF INSURANCE DOES NOT CONSTITUTE A CONTRACT BETWEEN THE ISSUING INSURER(S), AUTHORIZEDREPRESENTATIVEORPRODUCER, AND THE CERTIFICATE HOLDER. IMPORTANT: If the certificate holder is an ADDITIONAL INSURED, the policy(ies) must be endorsed. If SUBROGATION IS WAIVED, subject to the terms and conditions of the policy, certain policies may require an endorsement. A statement on this certificate does not confer rights to thecertificateholderinlieuofsuchendorsement(s). PRODUCER CONTACT MARSH USA, INC.NAME: TWO ALLIANCE CENTER PHONE FAX 3560 LENOX ROAD, SUITE 2400 no. Ex();INC. No): ATLANTA, GA 30326 ADDRESS: INSURER(S) AFFORDING COVERAGE NAIC # J34420-..-EX-11-12 INSURER A : American Guarantee & Liability In Co 26247 INSURED OLDCASTLE SW GROUP INC. (EAGLE)INSURER B dba B &9 EXCAVATING INSURER C : PO BOX 4870 EAGLE, GO 81631 INSURER D INSURER Ec: INSURER F COVERAGES CERTIFICATE NUMBER:ATL 003076444 REVISION NUMBER :2 THIS IS TO CERTIFY THAT THE POLICIES OF INSURANCE LISTED BELOW HAVE BEEN ISSUED TO THE INSURED NAMED ABOVE FOR THE POLICY PERIODINDICATED. NOTWITHSTANDING ANY REQUIREMENT, TERM OR CONDITION OF ANY CONTRACT OR OTHER DOCUMENT WITH RESPECT TO WHICH THISCERTIFICATEMAYBEISSUEDORMAYPERTAIN, THE INSURANCE AFFORDED BY THE POLICIES DESCRIBED HEREIN IS SUBJECT TO ALL THE TERMS,EXCLUSIONS AND CONDITIONS OF SUCH POLICIES. LIMITS SHOWN MAY HAVE BEEN REDUCED BY PAID CLAIMS. INSR TYPE OF INSURANCE ADDL SUBR POLICY EFF POLICY EXPLTRINSRMDPOLICYNUMBERMM/DDNYYY) (MM/DD/YYYY)LIMITS GENERAL. LIABILITY EACH OCCURRENCE E COMMERCIAL GENERAL UABIUTY DAMAGE TO RENTED PREMISES (Ea occurrence) CLAIMS -MADE I I OCCUR MED EXP (Any one person) PERSONAL & ADV INJURY _ $ GENERAL. AGGREGATE GEN'L AGGREGATE LIMIT APPLIES PER:PRODUCTS COMP /OP AGG I $ POLICY JECT LOC AUTOMOBILE LIABILITY COMBINED SINGLE LIMIT Ea accident) ANY AUTO BODILY INJURY (Per person) $ T ALL OWNED SCHEDULED AUTOS AUTOS BODILY INJURY (Per accident) $ HIRED AUTOS NON -OWNED PROPERTY DAMAGEAUTOSPeraccident) A X UMBRELLA LIAR X OCCUR AUC655102502 09/01/2011 09/01/2012 EACH OCCURRENCE 3 , 000 ,000 EXCESS LIAR CLAIMS -MADE AGGREGATE 3,000,000 DED RETENTION $ WORKERS COMPENSATION.WC STATU- OTH-AND EMPLOYERS' LIABILITY TORY I IMIT FR ANY PROPRIETOR/PARTNER/EXECUTIVE v N I OFFICERIMEMBER.EXCLUDED?N I I N / A E.L. EACH ACCIDENT Mandatory In NH)E.L. DISEASE - EA EMPLOYEE $If yes, descnbe under DESCRIPTION OF OPERATIONS below .E.L. DISEASE - POLICY LIMIT $ DESCRIPTION:. OF OPERATIONS / LOCATIONS/ VEHICLES. (Attach ACORD 101, Additional Remarks Schedule, If more space is required) RE: EAGLE COUNTY STATE BRIDGE AND TWO BRIDGES BOAT RAMPS AND SITE IMPROVEMENTS EAGLE COUNTY IS INCLUDED A S ADDITIONAL INSURED(S) PER WRITTEN CONTRACT. CERTIFICATE HOLDER CANCELLATION EAGLE COUNTY SHOULD ANY OF THE ABOVE DESCRIBED POLICIES BE CANCELLED BEFOREATTN: RICKULLOM THE EXPIRATION DATE THEREOF, NOTICE WILL BE DELIVERED INP.O. BOX 850 ACCORDANCE WITH THE POLICY PROVISIONS.EAGLE, CO 81631 AUTHORIZED REPRESENTATIVE of Marsh USA Inc. Manashi Mukherjee oza::e •v , e a 1988 -2010 ACORD CORPORATION. All rights reserved. ACORD 25 (2010/05)The ACORD name and logo are registered marks of ACORD Certificate of Insurance THIS CERTIFICATE IS ISSUED AS A MATTER OF INFORMATION ONLY AND CONFERS NO RIGHTS UPON YOU THE CERTIFICATE HOLDER. THIS CERTIFICATE IS NOT AN INSURANCE POLICY AND DOES NOT AMEND, EXTEND, OR ALTER THE COVERAGE AFFORDED BY THE POLICIES LISTED BELOW. POLICY LIMITS ARE NO LESS THAN THOSE LISTED, ALTHOUGH POLICIES MAY INCLUDE ADDITIONAL SUBLIMIT/LIMITSNOT LISTED BELOW. This is to Certify that sew Oicicastle SW Group Inc d /b /a B &B Excavating Attn: Angelica Luevano NAME AND LibertyPOBox4870ADDRESS OF INSURED riks, l'1utua1®Eagle CO 81631 is, at the issue date of this certificate, insured by the Company under the policy(ies) listed below. The insurance afforded by the listed policy(ies) is subject to all their terms, exclusions and Conditions and is not altered by any requirement, term or condition of any contract or other document with respect to which this certificate may be issued. EXP DATE TYPE OF POLICY CONTINUOUS POLICY NUMBER LIMIT OF LIABILITYQEXTENDED Ea POLICY TERM WORKERS WA7 -C8D- 004095-021 COVERAGE AFFORDED UNDER WC EMPLOYERS LIABILITY9/1 /2012 LAW OF THE FOLLOWING STATES: COMPENSATION WC7 -C81- 004095 -011 ALL STATES EXCLUDING Bodily injury by AccidentMONOPOLISTICSSTATESAND1,000,000 Each Accident NY Bodily Injury By Disease OR, WI 1,000,000 ror„ r;ma Bodily Injury By Disease 1 .000 ,000 Each Person COMMERCIAL 9/1I2012 TB2 -C81- 004095 -111 General Aggregate GENERAL LIABILITY Z000,000 OCCURRENCE Products / Completed Operations Aggregate 2,000,000 CLAIMS MADE Each Occurrence 2.000.000 RETRO DATE Personal & Advertising Injury 2,000,000 Per Person / Organization OFtth Pf2E DAMAGE $100,000 O t PER PROJECT AGGREGATE AUTOMOBILE 9/1/2012 AS2 -C81- 004095 -121 Each Accident— Single Limit LIABILITY 2,000,000 B.I. And P.D. Combined LJ OWNED Each Person mNON -OWNED Each Accident or Occurrence El HIRED Each Accident or Occurrence OTHER Auto: Comp Ded $10,000 /Coll Ded $10,000 EVIDENCE OF COVERAGE ADDITIONAL COMMENTS Project: EAGLE COUNTY STATE BRIDGE AND TWO BRIDGES BOAT RAMPS AND SITE IMPROVEMENTS Eagle County is listed as additional insured. If the certificate expiration date is _continuous or extended term, you will be notified if coverage is terminated or reduced before the certificate expiration date. Liberty Mutual NOTICE OF CANCELLATION; (NOT APPLICABLE UNLESS A NUMBER OF DAYS IS ENTERED BELOW.)Insurance GroupBEFORETHESTATEDEXPIRATIONDATETHECOMPANYWILLNOTCANCELORREDUCETHE INSURANCE AFFORDED UNDER THE ABOVE POLICIES UNTIL AT LEAST 30 DAYS NOTICE OF SUCH CANCELLATION HAS BEEN MAILED TO: r Eagle County Judith Balazentis Pittsburgh / 0387 AUTHORIZED RFTRESENTATNE 12 Federal Street, Ste. 310 PO Box 850 Pittsburgh PA 15212 -5706 412 -231 -1331 4/12/2012 Eagle CO 81631 I OFFICE PHONE DATE ISSUED This certificateis executed by LIBERTY MUTUAL INSURANCE GROUP asr such insurance as is afforded by those Companies NM 772 07 -10 LDI COI 268896 02 11