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O LO -I--) -P 0) •r - to m Ol a) i (d a) U a) i (n •r t 4- d- .0 a) r- -0 •r o) O •r -0 4-) F-r dl -I-) a_ 4--> CO O tT a) a. 3 a) to i a) .0 a) a) .0 c[ a.tY -P fn to F- U C 0330-Lot 8 Filing 1 Bellyache Ridge I`1 i n 4548 Bellyache Ridge -�I JOB NAME. __. _Paxc.el. #1194.1-353-01-001 j $ .; �GU��1ej) TCd �/12 �� I� JOB NO. Ida BILL TO DATE STARTED DATE COMPLETED DATE BILLED zo f / 1 r j LOi JOB COST SUMMARY TOTAL SELLING PRICE TOTAL MATERIAL I ZL% PERMIT # 330 .� �) °"k l OWNER: LOCATION: Lot 8 - Bellyache Ridge _ Filing #1 (1,87 acres) 00454ci INSTALLER: Owner SIZE OF TANK: 1,000 gallons DWELLING: Residential - 3 bedrooms x 300 sq.ft. PERC RATE: one inch/30 minutes (900 sq.ft.) 900 sq.ft. leach field -1 run Tnrn nrn..rr TOTAL LABOR INSURANCE SALES TAX MISC. COSTS TOTAL JOB COST GROSS PROFIT LESS OVERHEAD COSTS % OF SELLING PRICE NET PROFIT JOB FOLDE,, (permit date: 3-23-79) Printed in U.S.A. INDIVIDUAL SEWAGE DISPOSAL SYSTEM PERMIT EAGLE COUNTY ENVIRONMENTAL HEALTH DIVISION P.O. Box 179 - 500 Broadway • Eagle, CO 81631 Telephone: (970) 328-8755 COPY OF PERMIT MUST BE POSTED AT INSTALLATION SITE. PERMIT NO. 2079-01 BP NO. 13567 OWNER: DAVID CAMPBELL PHONE: 615-754-5271 MAILING ADDRESS: 210 SCENIC RIDE COURT, OLD HICKORY, TN 37138 APPLICANT: GABE BUTLER, MONTANA LOG HOMES PHONE: 970-879-3031 SYSTEM LOCATION: 4548 BELLYACHE RIDGE ROAD, WOLCOTT, CO TAX PARCEL NO. 1941-353-01-001 LICENSED INSTALLER: M.J. MILLER, INC., PAUL ZYWICKI LICENSE NO. 19-01 PHONE: 970-879-7861 DESIGN ENGINEER: NORTHWEST COLORADO CONSULTANTS PHONE NO. INSTALLATION HEREBY GRANTED FOR THE FOLLOWING: MINIMUM REQUIREMENTS FOR A 6 BEDROOM RESIDENCE 1750 GALLON SEPTIC TANK (ENGINEER RECOMMENDS USING A 2000 GALLON TANK), 2587.5 SQUARE FEET OF ABSORPTION AREA CREDIT, VIA 84 HD10 INFILTRATOR UNITS, OR 81 EQ36 INFILTRATOR UNITS, AS PER ENGINEER'S DESIGN. SPECIAL REQUIREMENTS: INSTALL AS PER ENGINEER'S DESIGN DATED APRIL 6, 2001, WITH A CLEANOUT BETWEEN THE TANK AND THE HOUSE, AND INSPECTION PORTALS IN EACH TRENCH. INSTALL THIS SYSTEM TO WITHIN 12 INCHES OF THE EXISTING GRADE. RAKE ALL TRENCH SURFACES TO PREVENT THE SMEARING OF SOILS. AND DO NOT INSTALL IN WET WEATHER. DUE TO THE DESIGN FLOW BEING OVER 1000 GALLONS PER DAY, AN ADDITIONAL 24 FEET SEPARATION MUST BE MAINTAINED FROM ANY WATER COURSE, DRY GULCH OR WELLS. CALL EAGLE COUNTY ENVIRONMENTAL HEALTH AND THE DESIGN ENGINEER FOR FINAL INSPECTIONS. THE BUILDING CERTIFICATE OF OCCUPANCY WILL NOT BE ISSUED UNTIL TICS S BEEN INSPECTED AND APPROVED. ENVIRONMENTAL HEALTH APPROVAL: DATE: CONDITIONS: 1. ALL INSTALLATIONS MUST COMPLY WITH ALL REQUIREMENTS OF THE EAGLE COUNTY INDIVIDUAL SEWAGE DISPOSAL SYSTEM REGULATIONS, ADOPTED PURSUANT TO AUTHORITY GRANTED IN 25-10-104, 1973, AS AMENDED. 2. THIS PERMIT IS VALID ONLY FOR CONNECTION TO STRUCTURES WHICH HAVE FULLY COMPLIED WITH COUNTY ZONING AND BUILDING REQUIREMENTS. CONNECTION TO, OR USE WITH ANY DWELLING OR STRUCTURE NOT APPROVED BY THE ZONING AND BUILDING DEPARTMENTS SHALL AUTOMATICALLY BE A VIOLATION OF A REQUIREMENT OF THE PERMIT, AND WILL RESULT IN BOTH LEGAL ACTION AND REVOCATION OF THE PERMIT. 3. CHAPTER IV, SECTION 4.03.29 REQUIRES ANY PERSON WHO CONSTRUCTS, ALTERS OR INSTALLS AN INDIVIDUAL SEWAGE DISPOSAL SYSTEM TO BE LICENSED. FINAL APPROVAL OF SYSTEM (TO BE COMPLETED BY INSPECTOR): NO SYSTEM SHALL BE DEEMED TO BE IN COMPLIANCE WITH THE EAGLE COUNTY INDIVIDUAL SEWAGE DISPOSAL SYSTEM REGULATIONS UNTIL THE SYSTEM IS APPROVED PRIOR TO COVERING ANY PORTION OF THE SYSTEM. INSTALLED ABSORPTION OR DISPERSAL AREA: 2587 SQUARE FEET (VIA 84 EQ 36 INFILTRATOR UNITS, ) INSTALLED CONCRE K: 2000 GALLONS IS LOCATED 90 DEGREES AND 16 FEET INCHES FROM THE NORTH SIDE OF THE HOUSE FOUNDATION NEAR THE MTT)T)T F F THE IlECB COMMENTS: THE FINAL INSPECTION WAS DONE BY WILLIAM CARLSON OF EAGLE COUNTY ENV. HEALTH AND THE DESIGN ENGINEER ON 9/18/01. THE ENGINEER'S FINAL AS —BUILT DRAWING AND CERTIFICATION WAS RE— CEIVED ON 4/3/02. THTSnSYSTEM IS LARGE ENOUG FORA SIX BEDROOM RESIDENCE. ANY ITEM NOT MEETING REQUIREMENTS WIhL B e' ELID"-B �F INAL APPROVAL OF SYSTEM IS MADE. ARRANGE A RE -INSPECTION WHEN WORK IS COMPLETED. r ENVIRONMENTAL HEALTHAPPROVAIjf DATE: APRIL 25, 2002 Incomplete Applications Will NOT Be Accepted (Site Plan MUST be attached) • "4.� ISDS Permit # o� ( 9 'o �} • f �� Building Permit # 13567 APPLICATION FOR INDIVIDUAL SEWAGE DISPOSAL SYSTEM PERMIT ENVIRONMENTAL HEALTH OFFICE - EAGLE COUNTY P. O. BOX 179 EAGLE, CO 81631 Eagle (970)328-8755, Fax (970)328-0349, El Jebel. (970)927-3823 ************************************************************************** * FEE SCHEDULE * PERMIT APPLICATION FEE $-50.00 * PERCOLATION TEST/SOIL PROFILE AND SITE EVALUATION FEE $200.00 * SITE VISIT/CONSULTATION FEE $85.00 * REINSPECTION FEE $47.00 * MAKE ALL REMITTANCE PAYABLE TO: "EAGLE COUNTY TREASURER" PROPERTY OWNER: MAILING ADDRESS: d S��e �� ©�a �iy3 PHONE: �� ✓a`y/ APPLICANT/CONTACT PERSON: &-06.01 /'ram sPHONE: LICENSED SYSTEMS CONTRACTOR: PHONE: � 'V -� COMPANY/DBA: .. j� ADDRESS: � ��-� �! �J A4 lix-%ei'^ *************************************************************************** PERMIT APPLICATION IS FOR: X NEW -INSTALLATION ( ) ALTERATION ( ) REPAIR LOCATION OF PROPOSED INDIVIDUAL SEWAGE DISPOSAL SYSTEM: Legal Description: Tax Parcel Number: 19q -3—,53 -01 "do/Atal" Lot Size: Physical Address: Y-5DZ4 &&O� W S is BUILDIN TYPE: (Check applicable category) ( Residential/Single Family Number of Bedrooms �o ( ) Residential/Multi-Family* Number of Bedrooms ( ) Commercial/Industrial* Type *These systems require design by a Registered Professional Engineer TYPE OF WATER SUPPLY: (Check applicable category) ( ) Well ( ) Spring ( ) Surface (• Public Name of Supplier: APPLICANT SIGNATURE: Date: ************************************************I*************************** AMOUNT PAID: 35-0 RECEIPT '#: i �7?`"� DATE: yfN�b 1 CHECK #: '7I) CASHIER: DEPARTMENT OF ENVIRONMENTAL HEALTH (970) 328-8755 FAX (970) 328-8788 TDD: (970) 328-8797 TOLL FREE: 800-225-8136 www.eagle-county.com EAGLE COUNTY, COLORADO April 25, 2002 David Campbell 210 Scenic Ride Court Old Hickory, TN 37138 Raymond P. Merry, REHS Director RE: Final of ISDS Permit #2079-01 Tax Parcel #1941-353-01-001. Property location: 4548 Bellyache Ridge Rd., Wolcott, CO. Dear Mr. Campbell: This letter is to inform you that the above referenced ISDS Permit has been inspected and finalized. Enclosed is a copy to retain for your records. This permit does not indicate compliance with any other Eagle County requirements. Also enclosed is a brochure regarding the care of your septic system. Be aware that later changes to your building may require appropriate alterations of your septic system. If you have any questions regarding this permit, please contact the Eagle County Environmental Health Division at (970) 328-8755. Sincerely, Janet Kohl Eagle County Environmental Health Department ENCL: Informational Brochure Final ISDS Permit cc: files OLD COURTHOUSE BUILDING, 551 Broadway, P.O. Box 179, Eagle, Colorado 81631-0179 Community Development Department (970)328-8730 FAX (970) 328-7185 TDD (970) 328-8797 Email: eccmdeva@vail.net http: //www.eagle-county.com EAGLE COUNTY, COLORADO Date: April 13, 2001 TO: M.J. Miller, Inc. Eagle County Building P.O. Box 179 500 Broadway Eagle, Colorado 81631-0179 FROM: Environmental Health Division RE: Issuance of Individual Sewage Disposal System Permit No.2079-01. Tax Parcel #1941-353-01-001. Property Location: 4548 Belleyache ridge Road, Wolcott, CO., Campbell residence. Enclosed is your ISDS Permit No. 2079-01, and a field copy of the engineer design stipulated on the permit. It is valid for 120 days, or for the duration of your current building permit for this property. The enclosed copy of the permit must be posted at the installation site. Any changes in plans or specifications invalidates the permit unless otherwise approved. Please note any special requirements that may have been added to the design by this department. Systems designed by a Registered Professional Engineer must be certified by the Engineer indicating that the system was installed as specified. Eagle County Environmental Health must also view the installation prior to back filling. Please call well in advance for your final inspection. Your TCO will not be issued until our office receives this certification from the engineer, and views the installation. Permit specifications are minimum requirements only, and should be brought to the property owner's attention. This permit does not indicate conformance with other Eagle County requirements. Please notify this office if you have not been contracted to perform this installation. If you have any questions, please feel free to contact the Environmental Health Division at 328- 8755. cc: files North. West Colorado Consultants, Tim Travis orthWest Colorado Consultan Geotechnical ! Environmental Engineering - Materials Testing April 6, 2001 Montana Log Homes of Colorado P.O. Box 771865 Steamboat Springs, CO 80477 Job Number 01-4799 Subject: On -Site Sewage Disposal System Design, Proposed Campbell Residence, Lot 8, Filing 1, Bellyache Ridge Subdivision, Eagle County, Colorado. Gentlemen: RECEIVED APR 1 1 2001 EAGLE COUNTY This report presents the results of an On -Site Sewage Disposal System (OSDS) design for the proposed Campbell Residence to be constructed within Lot 8 in Filing 1 of the Bellyache Ridge Subdivision in Eagle County, Colorado. Proposed Construction: We understand that the residence will be constructed with six bedrooms when completed. The residence will also have a clothes washer and garbage disposal. Site Conditions: The project site is situated north of Bellyache Ridge Road in Filing 1 of the Bellyache Ridge Subdivision in Eagle County, Colorado. The OSDS site will be located northwest of the proposed residence. The vegetation at the site of the OSDS consisted of natural grasses, weeds, sage brush, deciduous brush and aspen trees. The topography at the site is variable and the area of the proposed OSDS site generally slopes strongly down to the west on the order of 15 to 20 percent. Subsurface Conditions: To investigate the subsurface conditions at the site, two profile pits were excavated near the proposed OSDS, on April 4, 2001. The subsurface conditions encountered in the profile pits generally consisted of approximately 24 to 36 inches of topsoil overlying natural clays, natural gravels and limestone bedrock. The profile pit excavated near the we�af the proposed OSDS consisted of 36 inches of topsoil overlying natural clays to a depth of 7 feet and limestone bedrock to a depth of 7'/2 feet. T`�he'second profile pit, excavated approximately 150 feet to the east, consisted of 24 inches of topsoil overlying natural gravels and cobbles, to a depth of 5 feet and limestone bedrock to a depth of 5'/2 feet. Practical rig refusal was encountered at depths of 7'/z and 5'/2 feet with a trackhoe. Free groundwater was not encountered in either of the profile pits at the time of excavating. (970) 879-7888 • Fax (970) 879-7891 2063 Snow Bowl Plaza, P.O. Box 775226 • Steamboat Springs, CO 80477 A set of 5 percolation test holes ranging from 12 to 32 inches in depth were advanced near the proposed OSDS on April 4, 2001 and tests were conducted by our office to determine the percolation rate of the natural soils. The percolation tests indicate that the upper 32 inches of natural topsoil in this portion of the site exhibited percolation rates from 16 to 40 minutes per inch with an average percolation rate of 26 minutes per inch. System Design: Based on the percolation test results of the natural topsoil, we have designed a modified trench absorption system utilizing Standard or EQ36 Infiltrator chambers placed in the upper 12 inches of topsoil. The OSDS design presented below is based on the total anticipated number of bedrooms and appurtenances for the structure, as well as the Long Term Acceptance Rate (LTAR), based on the average percolation rate for the natural topsoil materials. Considering the anticipated construction, we have calculated a peak effluent flow of 1,350 gallons per day (gpd) for the system. Based on the percolation results and EPA Guidelines, a LTAR of 0.6 gallon/square foot/day was used in the design. This results in a minimum absorption area of 2,250 square feet for conventional trench or bed absorption systems. Increasing the area an additional 15 percent, for a clothes washer and a garbage disposal, a minimum required absorption area of 2,587.5 square feet was calculated and used in the design. Using a 50% reduction in the required absorption area with Standard Infiltrator chambers, we have calculated that the system can be constructed using eighty-four (84) Standard Infiltrator chambers. As an alternate, we have calculated that the system can be constructed using eighty-one (81) EQ36 Infiltrator chambers. We recommend that the trenches for the chambers be placed a maximum of 12 inches below the natural ground surface. A minimum of 18 inches of soil cover should be placed over the chambers in accordance with the chamber manufacturer's recommendations. A septic tank with a minimum capacity of 1,750 gallons is also required for the residence. However, we recommend that a 2,000 gallon concrete tank or 2-1,000 gallon concrete tanks placed in series be used for the residence. The system design is presented in Figures #1 and #2. The design calculations are shown in Appendix A and the specifications for the system are given in Appendix B. If the system is not activated within 30 days of installation, we recommend that the Infiltrator chambers be periodically flooded with water to prevent rodents from nesting and burrowing in the chambers, which could result in premature failure of the system. We also recommend that the system be fenced off to livestock. Limitations: The procedures and design criteria used in this'design was obtained from the EPA "Design Manual - On -site Wastewater Treatment and Disposal Systems", 1980, the Colorado Department of Health "Guidelines for Individual Sewage Disposal Systems" (rev. Sept. 1997) and the Eagle County "Individual Sewage Disposal System Regulations". The sewage disposal system design presented is based on currently accepted design procedures and the existing features and usage of the facilities. If the usage of the current facilities or addition of new facilities to those currently in use in the building changes, the OSDS design will also most likely change. It should also be noted that all on -site sewage disposal systems require periodic Job No. 0 1 -4799 Northwest Colorado Consultants, Inc. Page 2 maintenance. The failure of the owner to provide proper periodic inspection and maintenance of the system, such as the pumping of the septic tank every 3 to 7 years, can lead to premature failure of the system. If you have any questions concerning this report or our recommendations, or if we may be of further service, please contact this office. Please be advised that Colorado law requires that a permit must be obtained prior to the construction, alteration, or use of an on -site sewage disposal system. Sincerely, NORTHWEST COLO D CO)$ULTANTS, INC. EPL"1ewe?�j� D; s s Job No. 014799 Northwest Colorado Consultants, Inc. Page 3 NORTHWEST COL ORADO CONSULTANTS STEAMBOAT SPRINGS COLORADO Edge of Aspen Grove (Not to Scale) Seasonal Drainage Inspection Pipes (typ.) 84 Stza'daxd Chan't'ers � 14 Profile Pi/2 g Assn- , + Note: Actual System Layout & Construction ber May Require Adjustments in the Meld Due to 0 14 Sward Ch / Variations in Topography & Vegetation —0- o 84 Standard Infiltrator Chambers or 81—EQ36 Chambers �o Satellite Dish r�ndaxa 14 � aLnb01? s 14 Standard Ch M /C e g VA". �� 4" Solid PVC Pipe o �4 Standard Ch ambexs = 1% Min. Grade Profile Pit 1 — 1750 Gallon / Septic Tank (Minimum) (L1?- / I Proposed Proposed Driveway Residence SEPTIC SITE PLAN Job Name: Proposed Campbell Residence—O.S.D.S. Design Job No. 01-4799 Location: Lot 8, Filing 1, Bellyache Ridge Sub., Eagle County, COFigure #1 NORTHWEST J— Solid 4' PVC Distribution Pipe ].' Min. Grade OL O O CONSULTANTS 4" PVC Inspection Pipe Finished Standard Ground Surface Infiltrator Chamber Topsoil Fill* �App—x. 18� Existing Topsoil Scarify 4" min. Varies Existing Ground Surface The Chambers should be backfilled in accordance with the manufacturer's recommendations. INFILTRATOR SYSTEM CROSS SECTION Job Name: Proposed Campbell Residence—O.S.D.S. Design Job No. Ol-4'799 Location: Lot 8, Filing 1, Bellyache Ridge Sub., Eagle County, COFigure #2 APPENDIX A SUMMARY OF DESIGN CALCULATIONS A. Sewage Volume Calculations 1) 6 Bedrooms: ........................................................................................................ 6 x 150 gpd/bedroom 2) Total Average Flow.....................................................................................................................900 gpd 3) Peak Factor.......................................................................................................................................x 1.5 4) Peak Flow for Design...............................................................................................................1,350 gpd B. System Sizing 1) Minimum absorption area = Q/LTAR= 1,350/0.6 = 2,250 ft2 2) Increase Area by 15% for Clothes Washer & Garbage Disposal: A = 2,250 ft2 x 1.15 = 2,587.5 ft2 3) Less 50% for Std. Infiltrator Chambers: 2,587.5 x 0.50 = 1,294 ft2 4) No. of Std. Infiltrator Chambers: 1,294 ft2/15.5 ft2/chamber = 83.5 chamber =84Std.bers. 4A) No. of EQ36 Infiltrator Chambers: 2,587.5 ft2/31.93 ft2/chamber = 81.0 chambers _> use 81 EQ36 chambers. 4) Septic Tank - per Eagle County Regulations: Use a minimum 1,750 gallon tank for a six bedroom residence. 5) Minimum well and open water setback -per Eagle County Regulations: (1,350-1,000/100)(8) + 100 Feet = 128 Feet Minimum. APPENDIX B 1) The Regulations of the Eagle County Department of Environmental Health must be complied with during the construction of the system. 2) Periodic construction observations must be made by the Design Engineer or County Sanitarian at the following points during Construction: a. After subgrade excavation and septic tank installation. b. After placement of chambers, but before chambers are covered. c. Upon final completion of the project. 3) The PVC pipe, perforated or non perforated, shall conform to ASTM 3034 or better quality. The chambers shall be set level. 4) The soils beneath the pipes entering and leaving a septic or aeration tank, which has been excavated shall be backfilled in 6 inch lifts and mechanically compacted. Cast iron pipe or PVC pipe meeting ASTM 3034 SDR 35 or schedule 40 shall be used for 5 feet on either side of the tank. 5) Provide a minimum of 12 inches of soil cover over the septic tank and 24 inches of soils cover over all pipes. Special care should be taken when backfilling the system to prevent disturbance/crushing of the distribution lines and chambers. The manufacturers recommendations should be closely followed when backfilling the chambers. In addition, all of the distribution lines should be carefully bedded to minimize the settlement in these lines. t 6) All surface drainage shall be ditched and diverted away from sewage disposal areas. 7) All disturbed surfaces, mounds and berms shall be covered with topsoil and heavily seeded. 8) Inspection pipes to be constructed of PVC pipe with the portion of the pipe penetrating the infiltrator chamber being perforated. 9) The client and contractor are responsible for meeting and maintaining the minimum setback requirements. INorthWest Colorado Consultants, Inc. Geotechnical I Environmental Engineering - Materials Testing August 20, 2001 Montana Log Homes of Colorado P.O. Box 771865 Steamboat Springs, CO 80477 Job Number 01-4799 Subject: Alternate On -Site Sewage Disposal System Design, Proposed Campbell Residence, Lot 8, Filing 1, Bellyache Ridge Subdivision, Eagle County, Colorado. Gentlemen: This letter presents our recommendations for an alternate On -Site Sewage Disposal System (OSDS) for the proposed Campbell Residence to be constructed within Lot 8 in Filing 1 of the Bellyache Ridge Subdivision in Eagle County, Colorado. We previously designed an OSDS for this site under this job number and dated April 6, 2001. The system was permitted by Eagle County with the Permit #2079-01, As requested by Paul Zywicki of Miller Excavating, we visited the project site to discuss the layout of the proposed OSDS. Based on conversations with Paul Zywicki, the highly variable topography of the site, dense vegetation and site constraints it was determined that the construction of a serial distribution system with eighty-one (81) EQ 36 Infiltrator chambers would not be feasible. It appeared that the chambers would have to be placed from 3 inches to 3 to 4 feet below the existing ground surface. It is our recommendation that the system be constructed as a lateral distribution system with a concrete distribution box set level for equal distribution. The system should be constructed in the same configuration as our original design with the exception of the distribution box. We also recommend that the distribution box be placed on a concrete pad placed on the natural clays or on washed rock fill materials placed over the natural clays. The bottom of the concrete pad or washed rock should be placed below the frost depth after the final grading is completed. We also recommend the use of flow levelers in the distribution box to ensure equal flow to each of the distribution lines and ease of re -leveling if the settlement of the distribution box occurs. We also recommend that as a part of a regular maintenance program, the distribution box be exposed and inspected yearly for settlement and equal flow. In addition, the Infiltrator chambers should be placed in the upper 12 inches of natural topsoil. Due to the variable topography, the chambers at the end of runs may be above the existing ground surface. We recommend that when the Infiltrator runs are less than 2 inches below the existing ground surface that an (970) 879.7888 - Fax (970) 879-7891 - 2580 Copper Ridge Drive, P.O. Box 775226 - Steamboat Springs, CO 80477 end be placed on the chamber with a solid 4-inch PVC distribution line and the next chamber in the run placed at a lower elevation to avoid placing fill to make the run level. If you have any questions service, please contact this , Sincerely, NORTHWEST 257 Brian this report or our recommendations, or if we may be of further TANTS, INC. xc: Bill Carson - Eagle County Environmental Health Division Job Number: 01-4799 NWCC, Inc. Page 2 orthWest Colorado Consultants. In Geotechnical / Environmental Engineering • Materials Testing October 4, 2001 Montana Log Homes of Colorado P.O. Box 771865 Steamboat Springs, CO 80477 Job Number: 01-4799 Subject: On -Site Sewage Disposal System Observations, Campbell Residence, Lot 8, Filing 1, Bellyache Ridge Subdivision, Eagle County, Colorado. Gentlemen: As requested, NWCC, Inc. (Northwest Colorado Consultants, Inc.) visited the project site on September 12, 2001 to observe the On -site Sewage Disposal System (OSDS) being constructed for the Campbell Residence located within Lot 8 in Filing 1 of the Bellyache Ridge Subdivision in Eagle County, Colorado. Our firm previously designed the OSDS for the residence under this job number and dated April 6, 2001. In addition, we also prepared a letter outlining our recommendations for an alternate OSDS dated August 20, 2001. The system design incorporates Infiltrator chambers placed in the upper 12 inches of topsoil. At the time of our visit, the contractor, Miller Excavating had installed a 2,000-gallon concrete septic tank to the north of the residence, currently under construction. The contractor had also completed the inlet connection to the septic tank and piping from the residence to the septic tank. The inlet connection had been properly made to the tank with 4-inch diameter solid PVC pipe (ASTM 3034 SDR 35) and the piping from the residence to the septic tank appeared to meet the minimum grade requirements. The contractor had not constructed the outlet connection to the septic tank or the piping from the septic tank to the distribution box at the time of our visit. Based on conversations with Paul Zywicki of Miller Excavating and Bill Carlson of Eagle County Environmental Health Division, it is our understanding that they observed and inspected the outlet connection and piping from the septic tank to the distribution box. The contractor had installed a concrete distribution box, which was set level, and had placed 6 runs of 12 and 1 run of 9 EQ36 Infiltrator chambers for a total of 81 EQ36 Infiltrator chambers. It appeared that the Infiltrator chambers were placed a maximum of 12 inches below the existing ground surface. Due to the highly variable topography, approximately 5 to 10 of the chambers were placed 18 inches below the natural ground surface. We advised the contractor that these chambers would be acceptable at this depth. Also due to the topography, the chambers in each of the runs were constructed with an end plate and the next chamber placed at a lower elevation to avoid fill placement across the site. The piping from the distribution box to the Infiltrator runs had also been installed and the piping appeared to meet the minimum grade (970) 879.7888 • Fax (970) 879.7891 2580 Copper Ridge Drive • P.O. Box 775226 • Steamboat Springs, CO 80477 requirements. Each of the outlet pipes from the distribution box was constructed with a flow leveler to ensure equal flow to each of the Infiltrator runs. The contractor had also placed the inspection pipes at the end of each of the Infiltrator runs at the time of our inspection. We advised the contractor that they should backfill the system in accordance with the manufacturer's recommendations. We also advised them that a minimum of 18 inches of soil cover should be placed over the tops and sides of the chambers and a minimum of 24 inches of soil cover over the distribution lines. If sufficient amounts of fill are not placed over the chambers, seepage may occur during high usage periods. An as -built drawing taken from field measurements of the system is presented in Figure #1. Based on our part time observations, it appears that the portions of the system, which were completed at the time of our site visit had been constructed in general accordance with the design previously completed by our firm with the noted exceptions. We believe that the system should function properly with proper care and maintenance. As part of the regular maintenance and inspection program the distribution box should be uncovered periodically and the flow levelers in each of the outlet pipes be checked and adjusted for equal flow. As stated in the design report, if the system is not activated within 30 days, we recommend periodic flooding of the Infiltrator chambers to prevent rodents from burrowing or nesting within the chambers. If you have any ftestions regarding this letter, our observations or recommendations or if we may be of further service, p se contact this office. Sincerely, NORTHWE6%QI O CONSULTANTS, INC., P. I L Job Number: 01-4799 NWCC, Inc. Page 2 NORT STEAMBOAT S. (Not to Scale) ST COLODADO Co 4 Solid PVC Pipe 1% Min. Grade Concrete Distribution Box —Set Level 4" Solid PVC Pipe 1% Min. Grade AIL TA NTS Edge of Aspen Grove Inspection Pipes (typ.) s-lo' 9_40' 9-10 .# 94' sa o /ers o /IpeY5 0 �bers / .b—e o o / 2000 Gallon Coni Septic Tank �' DrivewRy \ I Residence a.S.D.S.-AS BUILT Job Name: Campbell Residence—O.S.D.S. Job No. 01-4'799 Location: Lot 8, Filing 1, Bellyache Ridge Sub., Eagle County, COFigure #1 ISDS PERMIT # PERCOLATION TEST EAGLE COUNTY ENVIRONMENTAL HEATLH OWNER: 6 i ca ' o� '.�►� �� -PHSYSICAL ADDRESS: LEGAL DESCRIPTION: MAILING ADDRESS: TYPE OF DWELLING: a ! : e , ®/ NUMBER OF BEDROOMS: TEST HOLES PRE-SOAKED: YES ✓ NO "' , .ads �►�� ir��r'ia� �p�'/� �tr� F%X i er, SOIL TIME WATER DEPTH INCHES OF FALL RATE PRO IPE n_ t _.._ .......... TIME TO DROP LAST INCH: PERC RATE: w ,-f l Sc'4 ^, I— MINIMUM LEACH FIELD SIZE: MINIMUM SEPTIC TANK SIZE: COMMENTS: ENVIRONMENTAL HEALTH SPECIALIST DATE ISDS Permit #? 07�� Date ISDS Final Inspection Q=Ietenesn Form _,-"Tank is ��-�''�' CZ -gal. Tank Material .-D r /Tank. is located I ? ft. and 22 degrees fro tpemmn"t Tank is located �Lft. and' ''q/ degrees from � l Tank set level. ��`� Tank lids within 8" of finished grade. Size of field -ZLI—(�ft2 T_ units lineal ft. Technology /SL Cleanout is installed in between tank and house(+ 1/100ft). -YeS• There is a "T" that goes down 14 inches in the inlet and outlet of the tank: `eS Inlet and outlet is sealed with tar -,tape j. rubber casket etc. Tank Chas twa compartments with the.: •-a'rc�r-;;cp.1partment closest to the house. �.. �..Meahure: distance and relative Depth of field. ^� ft. /Soil interface raked. - Inspection portals at the .end of each trench.. Proper distance to setbacks. - � C�Chambers properly installed as per manufacturers specifications. (Chambers latched, end plates properly installed, rocks 'removed from trenches, etc.) 0-- Type of pipe used for building sewer line -��' , leach field Other --- e Inspection meets requirements. �2eb-� n I ;'�/ �, r� S � d�a►� Copy form to installer's file if recommendations for improvement were suggested. ACTION TAKEN: f Setbacks Well Potable House Property Lake Dry Tank Drain Water Lines line Stream Gulch Field 100 25 20 10 50 25 10 10 50 10 5 10 50 10 * 10 EAGLE- COUN REALTH P.O. BOX 179 EAGLE, CO 81631 .................. ...... .. ... ........ . .. .......... .... . S- ............... .......... ......... .. ......... ... .. ... .. .. ....... .. 141 0 JOB SHEET NO. OF CALCULATED BV DATE CHECKED BY DATE SCALE 13 E rmuuui; I zuq-i prigis snaes) zub-i Irameal LljML-jg Inc.. ufolon,man U1411. lounmrmuNt I ULLtMtt I -WIFUD-WOU 2079-01 Tax #1941-353-01-001 JOB NAME_ Lot #8, Filing1, CAMPBELL Bellyache Ridge 4548 Bellvache Ridoa Rd JOB NO.(, P-/ Ino 1 nnATI nIJ BILL TO DATE STARTED DATE COMPLETED DATE BILLED P Q- 42 r 7 � l� �1/ -� 4/✓� G� / n4 I ) j n JOB COST SUMMARY TOTAL SELLING PRICE s. c' 9 /` S �a TOTAL TOT 6 x s� 'n '-) 'e--a R'3 ( / S�J X A"l r Sc^�`i/i 2 <f:>. JOB FOLDER Product 278 J U' ::. q- T q --of JOB FOLDER S�� /'oGf��4rrooJ ■