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HomeMy WebLinkAbout188 Sunset Ln - 239128401002INDIVIDUAL 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. 2255-03 BUILDING PERMIT NO. 14767 OWNER: DOUG AND PEGGY GRAYBEAL PHONE: 970-927-4753 MAILING ADDRESS: 570 RIVERSIDE DRIVE, BASALT, CO 81621 APPLICANT: SAME PHONE: SYSTEM LOCATION: 0188 SUNSET DRIVE, CARBONDALE, CO 81623 TAX PARCEL NO. 2391-284-01-002 LICENSED INSTALLER:_DORAIS EXCAVATING, BILL DORAIS LICENSE NO. 7-03 PHONE: 970-963-2670 DESIGN ENGINEER: CHURCH & ASSOCIATES, INC., TIM PETZ PHONE NO. 970-948-5803 INSTALLATION GRANTED FOR THE FOLLOWING: MINIMUM REQUIREMENTS FOR A 3 BEDROOM RESIDENCE 1000 GALLON I COMPARTMENT TANK WITH AND EFFLUENT FILTER ON THE OUTLET, 1000 GALLON 2 COMPARTMENT TANK WITH A DOSING SYPHON IN THE 2ND COMPARTMENT, 3200 SQUARE FEET OF ABSORPTION AREA CREDIT VIA 4 SECTIONS OF 4-100 FEET ROWS OF DRIP IRRIGATION SPACED 2 FEET APART (16 LINES TOTAL) AS PER ENGINEER'S DESIGN DATED 12/12/02, AND REVISION LETTER DATED 3/17/03. SPECIAL INSTRUCTIONS: INSTALL AS PER ENGINEER'S DESIGN WITH A CLEAN -OUT BETWEEN THE TANK AND THE HOUSE, AND ONE INSPECTION PORTAL IN EACH SECTION OF TRENCHES. RAKE ALL TRENCH SURFACES TO PREVENT THE SMEARING OF SOILS, AND DO NOT INSTALL IN WET WEATHER. BE SURE TO MAINTAIN ALL APPLICABLE SET BACK REQUIREMENTS. CALL EAGLE COUNTY ENVIRONMENTAL HEALTH FOR THE FINAL INSPECTIONS PRIOR TO BACK FILLING ANY PART OF THE INSTALLATION, OR WITH ANY QUESTIONS REGARDING THE INSTALLA- TION. BUILDING CERTIFICATE OF OCCUPANCY WILL NOT BE ISSUED UNTIL THE SEPTIC SYSTEM HAS BEEN IN- SPECTED AND APPROVED. ENVIRONMENTAL HEALTH APPROVAL: LAURA FAWCETT DATE: MARCH 19, 2003 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: 3200 SQUARE FEET (VIA 4-100 FEET ROWS OF DRIP IRRIGATION) INSTALLED CONCRETE 1 COMPARTMENT SEPTIC TANK: 1000 GALLONS LOCATED 173 DEGREES AND 83 FEET FROM THE CLEANOUT. THE SECOND 1000 GALLON TANK WITH THE EFFLUENT PUMP IS LOCATED 3.5 FEET BEHIND IT COMMENTS: THE ENGINEER'S FINAL CERTIFICATION AND AS -BUILT DRAWING WERE RECEIVED ON OCTOBER 9 2003. THIS SYSTEM IS LARGE ENOUGH FOR A 3 BEDROOM RESIDENCE ANY ITEM NOT MEETING REQUIREMENTS WILL BE CORRECTED BEFORE FINAL APPROVAL OF SYSTEM IS MADE. ARRANGE A RE - INSPECTION WHEN WORK IS COMPLETED. ENVIRONMENTAL HEALTH APPROVAL DATE: OCTOBER 24, 2003 may—Is—UZ Iz:idpm rrom—tagle Gouniy w erK tl Jeoel V HbdZS8b I—Zlb FA VI 3 F—bdl incomplete Applications Will NOT Be Accepted (Site Plan MUST be attached) _ ISDS Permit Building Permit # 141 APPLICATION FOR INDIVIDUAL, SEWAGE DISPOSAL SYSTEM PERMIT ENVIRONMENTAL HEALTH OFFICE - EAGLE COUNTY P. 0. BOX 179 EAGLE, CO 81631 Eagle (970)328-8755, Fax (970)328-0349, El Jebel (970)927-3B23 * FEE SCHEDULE'$ # APPLIC4TION FEE $350.00 * THIS FEE INCLUDES THE ISDS PERMIT, SITE EVALUATION (PERCOLATION TEST, * SOIL PROFILE OBSERVATION) AND FINAL INSPECTION * ADDITIONAL FEES MAY BE CHARGED IF A REINSPECTION IS NECESSARY. OR A * PRE -CONSTRUCTION SITE VISIT OR CONSULTATION IS NEEDED * REINSPECTION FEE $47.00, PRE -CONSTRUCTION SITE VISIT FEE $85.00 * MAKE ALL REMITTANCE PAYABLE TO: "EAGLE COUNTY TREASURER" PROPERTY OWNER: �7 J� MAILING ADDRESS: 1 V"�� 1� ly� PHONE APPLICANT/CONTACT PERSON: PHONE: R (� r : b3+ a 6 70 PHONE LICENSED SYSTEMS CONTRACTOR: Q�I�.. +.1� 1- 70 COMPANY/DBA: 1.JlJICRIS •ADDRESS: PERMIT APPLICATION IS FOR: (V) NEW INSTALLATION ( ) ALTERATION ( ) REPAIR LOCATION OF PROPOSED INDIVIDUAL SEWAGE DISPOSAL SYSTEM: Legal Description: Tax Parcel Number: L�� Lot Size: • CD Physical Address: BUILDINSr TYPE: (Check applicable category) Number of Bedrooms ( ) Residential/Single'Famil� Number of Bedrooms ( ) Residential/Multi-Family { ) Commercial/Industrial* Type *These systems require design by a Registered Professional Engineer TYPE OF/9ATER SUPPLY: (Check applicable category) - (VI) Well ( ) Spring ( ) Surface ( ) Public Name of Supplier: APPLICANT SIGNATURE. Date r � RECEIPT #: DATE: AMOUNT DASD: CASHIER: CHECK #: 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 DATE: March 19, 2003 TO: Dorais Excavating FROM: Eagle County Department of Environmental Health Raymond P. Merry, REHS Director RE: Individual Sewage Disposal System Permit #2255-03 Tax Parcel #2391-284-01-002, Lot #2, Block 3, Soderberg Subdivision Property Location: 0188 Sunset Lane, Carbondale, CO., Graybeal residence. Enclosed is your ISDS Permit #2255-03, and a copy of the engineer's design for this system. The permit 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. Please note that our ISDS Permit specifications are typically minimum requirements only and should be brought to the property owner's attention in case they may wish to install a system capable of handling larger wastewater flows. This permit does not indicate conformance with any 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 us at (970) 328-8755. cc: ISDS file # 2255-03 Church & Associates, Inc., Ed Church Chrono file March 2003 OLD COURTHOUSE BUILDING, 551 Broadway, P.O. Box 179, Eagle, Colorado 81631-0179 jun ue uj u i : ,4jp p.2 CHURCH & Associates, Inc. ENGINEERS & GEOLOGISTS June 5, 2003 Doug Graybeal c/o Cottle Graybeal Yaw P.O. Box 529 Basalt, Colorado 81621 Subject: Drip Irrigation OWS Design, Proposed Residence Lot 2, Filing 3, Soderberg Subdivision Eagle County, Colorado Job No. 15433W W. Graybeal, As requested, we are providing the following clarifications for the proposed onsite wastewater system (OWS) for the subject residence. All recommendations from our original design, dated December 12, 2002, should be followed. During construction of the drain field the trenches may be backfilled as installation progresses. The ends of the trenches must be left open for Eagle County and Church and Associates, Inc. (CHURCH) observations. Cleanouts must be placed at each 45-degree `step' along the outlet sewer line. Bends of greater than 44- degrees are not recommended. Due to boulders, the septic tanks have been moved to a different location, and therefore a pump is required. A pump curve is presented on Figure 1. The dose size should be set at 150 gallons per dose. If there are questions or if we can be of further service, please call. The project manager is Tim Petz. Sincerely, CHURCH. & Associates, Inc. Edward O. Church, P.E. EOC/trp Fax copy to Eagle County Health Department, 970-328-0349, Attn: stay Merry Fax copy to 970-963-3862, Attn: Bill Dorais Fax copy to 970-704-0187, Attn: Mark Fox 2 copies sent DENVER 4501 Wadsworth Boulevard Wheat Ridge, CO 80M www.geo-church.com _ _ . Tnll r,m - i A77 7dR Ai9A uun ub ud ul;-tdp R,8 _ k z § g'2 \ \ / 2 * §/ k { E > | |` Pee mWa @ � N » @ @ � CL � 0 z e 40. 0 � g g � � CL E 2 IL 2 / LU m A = 2 ) \ $ k �| � \ � |•--� �� � � �� ��: I � }}}}} C� �--q% ■2 -- Im FL 02 ©_ CD a o 2 § � _ ■ $ ƒ 9 f o o e c LL . 2 3} i J � ; 0 § a CHURCH & Associates, Inc. October 6, 2003 Doug Graybeal c/o Cottle Graybeal Yaw ENGINEERS & GEOLOGISTS RECEIVED OCT 9 2003 P.O. Box 529 ENVIRONMENTAL Basalt, Colorado 81621 HEALTH DEPARTMENT Subject: Installation Observation, Proposed Residence Lot 2, Filing 3, Soderberg Subdivision Eagle County, Colorado Job No. 15433W Mr. Graybeal, As requested, the installation of the onsite wastewater system (OWS) for the subject site was observed on August 20 and September 24, 2003. The system was designed for a three -bedroom residence under our Job No. 15433W, and presented in a report dated December 12, 2002. The system includes the installation of one1000-gallon precast concrete septic tank with an effluent filter on the outlet followed by one1000-gallon precast concrete septic tank with a pump. A 3200 ft2 shallow trench drip irrigation drain field was installed in four 8-foot by 100-foot sections. The pump and effluent filter were in place at the time of our site visit. Final electrical connections must be completed by a licensed electrician. The remaining observed components of the OWS were installed in general conformance with our design. Our installation observations do not imply a guarantee or warranty of materials or workmanship. If there are questions, please _call. CHURCH & Associates, Inc. Eric R. Burns Field Technician Reviewed by: Edward O. Church, P EOC/trp/erb . 2 copies sent Copy to Dorais Excavating, Inc., Box 391, Carbondale, CO 81623 Copy to Eagle County Department of Environmental Health, Attn: Ray Merry DENVER 4501 Wadsworth Boulevard Wheat Ridge, CO 80033 www.geo-church.com 303.463.9317 Fax: 303.463.9321 Toll Free-1.877.248.3123 - v.v nunL7 - SUNSET LANE EAGLE COUNTY, COLORADO 1 " = 30'_ 2" PVC VENT PIPE (TYP.) L I = 2.5' , SO°E L2 = 8', SO°E L3 = 36.5', SO°E L4 = 16.5', S81W L5 = 19', S20°W L6 = 2', S60°W L7 = 3.5', S601W L8 = 1.5', S60°W L9 = 4.5', N20°W LIO = 1.5', S70°W AS -BUILT DIAGRAM JOB NO. 15433W Ifs JITH IT FIGURE 1 CHURCH & Associates, Inc. ENGINEERS & GEOLOGISTS March 12, 2003 Doug Graybeal c/o Cottle Graybeal Yaw P.O. Box 529 Basalt, Colorado 81621 Subject: Clarification Letter for Drip Irrigation OWS Design, Proposed Residence Lot 2, Filing 3, Soderberg Subdivision Eagle County, Colorado Job No. 15433W Mr. Graybeal, As requested, by Laura Fawcett of Eagle County, we are providing the following clarifications for the proposed onsite wastewater system (OWS) for the subject residence. All recommendations from our original design, dated December 12, 2002, should be followed. A dosing siphon or pump may dose the drip irrigation system. The dose size should be set at 150 gallons. A community well located to the northwest of the proposed drain field serves the lot. The well is at the west end of Sunset Drive and to the north about 100 feet. The well location is indicated on Figure 1. The sun exposure for the proposed OWS is adequate for the drip irrigation to function properly. There are several clusters of scrub oak to the east -and west of the proposed drain field area. The existing scrub oak will not hinder the performance of the drip irrigation system. Using an application rate of 0.4 gallons per square foot (SF) per day, 1687 SF of drain field is required to serve the residence with no reduction taken. There is ample area to the northeast, east, and south of the proposed drain field to accommodate an alternate drain field. The alternate drain field may consist of trenches with 16 chambers each using serial distribution. If there are questions or if we can be of further service, please call. The project manager is Tim Petz. .,DO P`s' CIWR:CH & Associates,-53 a �2 Edward O. Church, P.E.,. EOC/trp Copy to Eagle County Health Department, Attn: _Laura Fawcett 2 copies sent DENVER 4501 Wadsworth Boulevard Wheat Ridge, CO 80033 303.463.9317 Fax: 303.463.9321 NOT TO 5.3 ACRES SCALE SUNSETLANE EAGLE COUNTY, COLORADO COMMUNITY WELL WELL IS 500+ .FEET FROM PROPOSED DRAIN FIELD SUNSET LANE �p PROPOSED 3-BEDROOM RESIDENCE--t---' o'' CLEANOUT->� THE LOCATION OF EXISTING AND PROPOSED IMPROVEMENTS SHOWN HEREIN AND THE WELL AND/OR DRAIN FIELD LOCATIONS STAKED AT THE SITE;ARE NOT THE RESULT OF A PROPERTY SURVEY. IMPROVEMENT LOCATIONS ARE APPROXIMATE. IT IS THE PROPERTY OWNER'S RESPONSIBILITY TO DEFINE PROPERTY BOUNDARIES AND ENSURE ALL ONSITE IMPROVEMENTS ARE LOCATED WITHIN THE PLATTED SITE AND OUT OF INAPPROPRIATE EASEMENTS. ALL SEPARATION DISTANCES ARE TO BE VERIFIED PRIOR TO EXCAVATION. WELL LOCATION AND PROPOSED OWS JOB NO. 15433W FIGURE 1 CHURCH & Associates, Inc. ENGINEERS & GEOLOGISTS December 12, 2002 ' Doug Graybeal c/o Cottle Graybeal Yaw P.O. Box 529 Basalt, Colorado 81621 Subject: Drip Irrigation OWS Design, Proposed Residence 11tiih c�j 4ate`-) ,9-A C Lot 2, Filing 3, Soderberg Subdivision Eagle County, Colorado Job No. 15433W 1�c7 d 4-0--c- Mr. Graybeal, As requested, we have . designed an onsite wastewater system (OWS) for the proposed residence. The. subsurface investigation was performed by H.P. Geotech, under Job No. 102 599, dated September 30, 2002. SITE CONDMONS Tho property is in a residential area at the intersection of Sunset Lane and Sunrise Lane in Eagle County, Colorado, where OWS are required. The area of the proposed drain field has an approximate 9 percent -slope to the southeast. The site has a ground cover of pinon and juniper trees, sage brush and grass. A community well located off the subject property provides water to the residence. f. PROPOSED CONSTRUCTION A one and two story, cast -earth wall, 3-bedroom residence is proposed at the location presented on Figure 1. The OWS was sized based on three bedrooms and 450 gallon per day (GPD) using Eagle County Department of Environmental Health (ECDEH) loading of 75 GPD per person. The sewage loading with a peaking factor of 1.5 is 675 GPD. This loading includes washing machines and garbage grinders. SUBSURFACE CONDPITONS The subsurface investigation was performed by H.P. Geotech by digging three percolation holes, 30 to 38 inches deep, and one profile pit at the locations indicated on Figure 1. Subsurface materials in the profile pit consisted of 6 inches of sandy clay topsoil, underlain by sandy, silty clay with basalt rock fragments to 6 feet, underlain by sandy, silty gravel with basalt cobbles and boulders to the maximum d"l°ted of 8 feet. No ground water was encountered. Percolation tests indicate percolation rates of 0 to 120 mhnutes per inch (MPI). The average rate is 80 MPI. Percolation data is presented in Appendix A DENVER 4501 Wadsworth Boulevard Wheat Ridge, CO 80033 CASTLE ROCK 303.660.4358 303.463.9317 Fax:303.463.9321 EVERGREEN 303.816.1455 LOVELAND 970.663.2124 i !}� Drip Irrigation OWS Design. Job No. 15433W,12/12/02 _ Page 2 RECOMMENDATIONS 6 ; A shallow trench drip irrigation OWS ould be installed as indicated on Figures 1 and 2. The OWS includes two septic tanks and a dosed shallow trench drain field. The drip irrigation drain field must be dosed with a pump or a dosing siphod The OWS is designed on an application rate of 0.27 GAI✓SF/DAY and sewage loading of 675 GPD. The application rate utilizes slow soil absorption and evapotranspiration. The installation must include one 1000-gallon, single -compartment, precast concrete septic tank with an effluent filter on the outlet followed by, one 1000-gallon, two -compartment, precast concrete septic tank with a dosing siphon in the second compartment. The drain field installation must include 3200 Sly of drip - irrigation field in four sections as presented on Figures 1 and 2. The drip irrigation field configuration can be modified to fit the topography. The trenches should be baclfilled to reestablish the original slope. The surface of the drip irrigation should be seeded after installation of the system. A native seed mix from the area available at seed stores should be used. These mixes do not require irrigation and devel- op a growth 10 to 15 inches high. No automatic sprinkler system should be installed over the field. n If dosing'pbstitutio are utilized en the tank ificatio are04-g o-com artment, / l precastfconcrete eptic tank a dosingp on m a s eened va}� m the compartment. a er a to F'gure 4 for details. OPERATION AND MAINTENANCE The owner must realize an OWS is difrerent from public sewer. The owner must assume responsibility for maintenance of the system. The system is a low maintenance system, but the owner must have the septic tanks pumped and filters cleaned (hosed off. Unless there is a monitoring program, the septic tank should be pumped and filter cleaned every two years. There are daily considerations, such as not putting plastic or other non -biodegradable material into the system. Water use must be monitored so toilets are not allowed to run when seals malfunction. To illustrate the point, a running toilet will consume in excess of 1000 gallons per day if allowed to flow. An excess 1000 GPD loading may flood and irreparably harm the OWS. We caution against installation of a water softener. The hydraulic loading from the backwash of a water softener can be detrimental to OWS and a separate drywell should be constructed for the backwash waste, if a water softener is installed. No landscaping or plastic can be used over the field, which will reduce evapotranspiration from the field. Chemically treated water from a swimming pool or spas should not be introduced into the OWS. LDMATIONS A ' drip irrigation design requires installation by a contractor who is an experienced installer. Our investigation, layout, design and recommendations are based on data submitted. If subsurface conditions different from those described are encountered, we should evaluate the effect of the changes on the proposed OWS. If the health department makes modifications to this design, we should be contacted to evaluate the impact on the performance of our OWS design. All construction is to be in accordance with the ISDS regulations. Pipe type and size, burial requirements, septic tank construction, and other specifications not depicted in our report, are to conform to ISDS regula- tions. The system installer is to have demonstrated knowledge of the ISDS regulations and requirements. Drip Irrigation OWS Design Job No. 15433W,12/12/02 Page 3 If there are questions or if we can be of further service, please call. The project manager is Tim Petz. Sincerely, ' 1 CHURCH & Associates, Inc. Reviewed by: t, ; 144 Timothy R Petz Edward O. Church, P.E. Project Engineer EOC/ttpA fw/erb 3 copies sent + 5.3 ACRES SUNSET LANE EAGLE COUNTY, COLORADO SUNSET LANE � •Q�i PROPOSED • �� 3-BEDROOM � '9'�• ..� �— RESIDENCE,,�'� CLEANOUT l" DISTRIBUTION VALVES a P-3 OBSERVATION/ VENT PIPES SCALE 7ff=yoo' 1 ONE 1000-GALLON, 1 SINGLE -COMPARTMENT, PRECAST CONCRETE SEPTIC TANK WITH AN EFFLUENT FILTER ON THE OUTLET FOLLOWED BY ONE 1000-GALLON, TWO -COMPARTMENT, PRECAST CONCRETE SEPTIC TANK WITH A DOSING SIPHON IN THE SECOND COMPARTMENT. 3200 SF OF INFILTRATIVE AREA IN A DRIP IRRIGATION DRAIN FIELD IN FOUR SECTIONS. EACH SECTION MUST BE 8' WIDE BY 100' LONG. THE LOCATION OF EXISTING AND PROPOSED IMPROVEMENTS SHOWN HEREIN AND THE WELL AND/OR DRAIN FIELD LOCATIONS STAKED AT THE S1TE;ARE NOT THE RESULT OF A PROPERTY SURVEY. IMPROVEMENT LOCATIONS ARE APPROXIMATE. IT IS THE PROPERTY OWNER'S RESPONSIBILITY TO DEFINE PROPERTY BOUNDARIES AND ENSURE ALL ONSITE IMPROVEMENTS ARE LOCATED WITHIN THE PLATTED SITE AND OUT OF INAPPROPRIATE EASEMENTS. ALL SEPARATION DISTANCES ARE TO BE VERIFIED PRIOR TO EXCAVATION. SITE PLAN, LOCATION OF PROFILE AND PERCOLATION HOLES AND PROPOSED JOB NO. 15433W OWS FIGURE 1 ' EFFLUENT PUMP LINE TYPICAL PLAN VIEW - N.T.S. ,Q� WITH PRESSURE RELEASE VALVE AT HIGH POINT BETWEEN PUMP AND I' VALVES NO. LENGTH WIDTH LINES 4 100 8 4 4 DISTRIBUTION VALVES 2" CLASS 200 PVC PIPE WITH 1 4" HOLES ON 8" CENTERS 2" BALL VALVES DISPERSAL LINE (HOLES FACE DOWNWARD) INSTALL DISPERSAL LINES LEVEL r 2" PVC VENT PIPE 100' SPACING ,,2' SPACING LEVEL MANIFOLD SECTION LINES TO ADDITIONAL FIELDS TYPICAL FIELD CROSS-SECTION - N.T.S 2" PVC VENT PIPE WITH CAP AND 1/4" HOLE -----..,-,GROUND SLARFACE SPECIFICATIONS AND DESIGN CALCULATIONS TREATMENT UNIT DISTRIBUTION FIELD i 1. 1000-GALLON, SINGLE -COMPARTMENT, PRECAST 1. 3-BEDROOM RESIDENCE AND OFFICE SPACE CONCRETE SEPTIC TANK WITH AN EFFLUENT 2. PEAK SEWAGE LOADING = Q = 675 GPD FILTER ON THE OUTLET AND 1000-GALLON, 3. PERCOLATION RATE = 80 MPI TWO -COMPARTMENT, PRECAST CONCRETE 4. APPLICATION RATE = R = 0.27 GAL/SF/DAY SEPTIC TANK WITH A DOSING SIPHON IN 5. AREA = Q/R = 2500 SF THE SECOND COMPARTMENT 6. PROPOSED FIELD AREA =-3200 SF 2. ALARM/CONTROL PANEL LOCATION AT OWNER'S 7. LINEAL FEET = 1600 REQUEST < 8. TRENCH WIDTH =-T4 INCHES RISERS: FOUR TO SURFACE 9. LANDSCAPING IS THE -RESPONSIBILITY OF THE OWNER JOB NO..15433W BACKHOE TRENCH DETAIL FIGURE 2 R cn a lnv. o w v N m C d a J Off =". J fit$ Ci ao S 9 cm 8 • �C 'C C 1 Loa N 0 c — ao to n a W!sSD .- E IL 6 000 n g _o CD �U) V n C— V J .o ^L^�, n� W Er ,E V L C a) 0 W 'C Cd C F- L f U Q Cl (D C Co CD 4, Ci) a a U �U U co) CO co 0 ca a) L- a) a L a. a", o p 3 9 E E vT A��I y�C, Y r� o L O OO m Q� to Z Q LLI U N � aQ U N a= �+ 3 U Z cr Utn W M N O CL Lu W Z O CC W a cn LLJ cr U Z a N _ 2 C M W LaJ O N tn LLJ Z U % W cr a En 0 co W LL CHURCH & Associates, inc. ENGINEERS & GEOLOGISTS March 17, 2003 Doug Graybeal clo Cottle Oraybeal Yaw P.O. Box 529 Basalt, Colorrado 81v21 Subject: 2' Clazification Letter for Drip Irrigation OWS Design, Proposed Residence of 2, Filing 3, Soderberg Subdivision Eagle County, Colorado job No. 15433W Mr. Graybeai, Per a telephone conversation with Laura Fawcett of Eagle County, we are providing the following cl&—ificafions for the proposed onsite wastewater system (OWS) for the subject residence. All r ns from our original design, dated December 12, 2002, should be followed. A dosing siphon or way dose the drip;p ;won system. The dose si-e should be set at 150 ga ons. was suggeste=d for dosing. Based on the conversation with Ms. Fawcett, the first septic stank shoazld be a 1000-gallon, single-couipartinent tank, fbilowed by a 1000-gafion, two -compartment tank with a dosing siphon in the second compartment. An effluent filter should be installed at the outlet of the first tank. With respect to observation pipes, there should be one observation pipe for each section. Each pipe does not need art obs—a vation pipe. nth regard to operation and naaintenauce,, it is typical that one section of the field be closed on an annraal basis. It is suggested that one of the four valves be closed each year on a date selected by the owner. the 4f of My is a date easy to remember. This will allow a periodic drying of each section of the field. If there is a large par y, theta opennil valves for the pMrty. The rotation of valves will be dmm&-,ecd with the owner at uie time of installation. If there are questions or i€w can` gffi n ther service, please can. The project manger is Tim Petz. CHURCH& Assoch' Edward 0. Church,,E: EOC 2 copies sent, FAX 1-970-927-8578 Copy and FAX to Eagle County Health Department, Attn: Laura Fawcett, 1-970-328-8788' DENVER 4501 Wadsworth Boulevard Wheat Ridge, CO 80033 CASTLE ROCK 303.660,4358 nVEn.''-REEN 30241C.1456 303.463.9317 Fss; 303,463,9321 LOVELAND 970.03.2124 MAP- i 7-rPG'07 Mi-IN Girl _ PCPM Tn!;=n .;'1 F rni IhITV PWI J WPal TW Odr_C- �::k LI a! - i f UJ U! 7 C fv 4501 WadswO6 6#vd. Wheat Ridge, CO. 8On3 Loveland 970-663-2124 FAX 970-663-2181 aw Frmw. CHURCH & ASSOCc� INC. Fay - 30 '3-9321 compmr- Date: Is- 17- Fax . -- QS 0 l;rge"t For Review Fax: .. .fax:. LAGES E J iiNrLU 3ING.a COVERSjj�n i As Requested 0 Please lea; MdO_47_'JDMM7 Rottkl MOO OCOM Tr). E=nf-_I C rC'11 lkrrV 17hit1 LIMni TL-i PI i7 r- 1 ! UJ ua: OOa p. z STATE of COLORADO COLORADO DEPARTMENT OF HEALTH _ 4210 East 11 th Avenue Denver, Colorado 80220. Diane IT , 3J .tune98)33 ae e � Ed Church, P.E. Roy Romer coversior E. 0. Church, Inc. Thomas M. Vemon, M,0. 925 E. ilth Ave. Executive Directpr Denver, CO 80211 RE-* BELL-PATT System Certification Dear Mr. Church: Per your request, the technical information submitted regarding the BELL-PATT on -site sewage disposal system has been evaluated against the criteria contained in the Colorado Individual Sewage Disposal System Guidelines (5 CCt 1003-6). Based upon that review, certification of the BELL-PATT system as new technology is hereby granted. Installation and use of the BELL-PATT system in Colorado is subject to the following conditionst 1) The septic tanks used in conjunction with the drip irrigation system will be constructed in accordance with applicable design criteria contained in Section VIII of the Individual Sewage Disposal System Guidelines. 2) Because the system is designed to allow a degree of infiltration, minimum horizontal distances between system components and physical features shall be as described in Section VI of the Individual Sewage Disposal System Guidelines for subsurface dispersal systems. 3) It is recommended that risers be installed on the end of irrigation/distribution lines to facilitate cleaning of the lines should they become plugged. It is also recommended.that system owners be provided with a recommended schedule for closing the various portions of the field. Please note that the Colorado Individual Sewage Disposal System Act (CRs 25-10) empowers individual counties to adopt and enforce criteria which may be more stringent than those contained In the state guidelines. In those instances any such county criteria may be applied in lieu of state criteria. Si cerel , 1� 'Phil Hegan Researcher Drinking Water/Ground dater Section WATER QUALITY CONTROL DIVISION PH/le ac .* 1Sya file County ISDS Contacts M00_47_OMfA? Mnk! 4CA- ZZAnt4 Tn-=?N-2! C 4n1 lklrV MA! U=V rU an!`c.n Laura Fawcett -Graybeal system Page 1 From: Laura Fawcett To: eburns@geo-church.com Date: 3/5/03 10:04AM Subject: Graybeal system Thank you for the fax of the e-mail. I never received it because my e-mail address is lauraf@eagle-county.com. I called Tom Bennett at CDPHE and requested the approval letter on the type of system and he said that he would dig it up when he gets a chance. I'll look forward to the revised site plan, information on the dose size, full sun exposure siting, and information on an alternate site. Hepworth-Pawlak Geotechnical, Inc. tech 5020 County Road 154 Glenwood Springs, Colorado 81601 Phone: 970-945-7988 Fax:970-945-8454 hpgeo@hpgeotech.com September 30, 2002 Doug Graybeal c/o Cottle Graybeal Yaw P.O. Box 529 Basalt, Colorado 81621 Job No. 102 599 Subject: Subsoil Study for Foundation Design and Percolation Test, Proposed Residence, Lot 2, Filing 3, Soderberg Subdivision, Eagle County, Colorado Dear Mr. Graybeal: As requested, Hepworth-Pawlak Geotechnical, Inc. performed a subsoil study and percolation test for foundation and septic disposal designs at the subject site. The study was conducted in accordance with our agreement for geotechnical engineering services to you dated September 5, 2002. The data obtained and our recommendations based on the proposed construction and subsurface conditions encountered are presented in this report. Evaluation of potential geologic hazard impacts on the site are beyond the scope of this study. Proposed Construction: The proposed residence will be one and two story cast -earth wall construction above a partial basement and located on the site as shown on Fig. 1. Ground floors are proposed to be slab -on -grade. Cut depths are expected to range between about 4 to 8 feet. Foundation loadings for the proposed type of construction are assumed to vary from relatively light to moderate. The septic disposal system is proposed to be located downhill and south of the residence. If building conditions or foundation loadings are significantly different from those described above, we should be notified to re-evaluate the recommendations presented in this report. Site Conditions: The site is located at the southwest corner of the intersection of Sunset Lane and Sunrise Lane. There is an existing two track dirt road into the building area from Sunset Lane. The ground surface in the building area is moderately sloping down to the southeast at a grade of about 9%. Elevation difference across the building area is about 12 feet. Vegetation consist of pinyon and juniper trees, sage brush, grass and weeds. Subsurface Conditions: The subsurface conditions at the site were evaluated by excavating two exploratory pits in the building area and one profile pit in the septic disposal area at the approximate locations shown on Fig. 1. The logs of the pits are presented on Fig. 2. The subsoils encountered, below about 0.5 to 1 foot of topsoil, consist mainly of calcareous sandy clay in the residence area. The subsoils encountered in the Profile Pit and percolation test holes are described later in the percolation testing section. Results of swell -consolidation testing performed on a relatively undisturbed sample of the sandy clay, presented on Fig. 3, indicate low compressibility under Doug Graybeal September 30, 2002 Page 2 existing moisture conditions and light loading and a low expansion potential when wetted. Results of a gradation test (including a hydrometer analysis) performed on a sample of the sandy clay obtained from the Profile Pit are presented on Fig. 4. No free water was observed in the pits at the time of excavation and the soils were slightly moist to moist. Foundation Recommendations: Considering the subsoil conditions encountered in the exploratory pits and the nature of the proposed construction, we recommend spread footings placed on the undisturbed natural soil designed for an allowable soil bearing pressure of 2,000 psf for support of the proposed residence. The clay soils tend to expand or settle after wetting and there could be some post -construction foundation movement. Footings should be a minimum width of 16 inches for continuous walls and 2 feet for columns. Loose and disturbed soils encountered at the foundation bearing level within the excavation should be removed and the footing bearing level extended down to the undisturbed natural soils. Exterior footings should be provided with adequate cover above their bearing elevations for frost protection. Placement of footings at least 42 inches below the exterior grade is typically used in this area. Continuous foundation walls should be reinforced top and bottom to span local anomalies such as by assuming an unsupported length of at least 12 feet. Foundation walls acting as retaining structures should be designed to resist a lateral earth pressure based on an equivalent fluid unit weight of at least 55 pcf for the on -site soil as backfill. Floor Slabs: The natural on -site soils, exclusive of topsoil, are suitable to support lightly loaded slab -on -grade construction.. There could be some potential for floor slab heave if the clay subgrade soils become wetted. To reduce the effects of some differential movement, floor slabs should be separated from all bearing walls and columns with expansion joints which allow unrestrained vertical movement. Floor slab control joints should be used to reduce damage due to shrinkage cracking. The requirements for joint spacing and slab reinforcement should be established by the designer based on experience and the intended slab use. A minimum 4 inch layer of free -draining gravel should be placed beneath basement level slabs to facilitate drainage. This material should consist of minus 2 inch aggregate with less than 50 % passing the No. 4 sieve and less than 2 % passing the No. 200 sieve. All fill materials for support of floor slabs should be compacted to at least 95 % of maximum standard Proctor density at a moisture content near optimum. The on -site clay soils will be difficult to compact and could be expansive when wetted. Required fill should consist of imported granular soils devoid of vegetation, topsoil and oversized rock. Underdrain System: Although free water was not encountered during our exploration, it has been our experience in the area that local perched groundwater can develop during times of heavy precipitation or seasonal runoff. Frozen ground during spring runoff can create a perched condition. We recommend below -grade construction, such H-P GEOTECH Doug Graybeal September 30, 2002 Page 3 as retaining walls, crawlspace and basement areas, be protected from wetting and hydrostatic pressure buildup by an underdrain system. The drains should consist of drainpipe placed in the bottom of the wall backfill surrounded above the invert level with free -draining granular material. The drain should be placed at each level of excavation and at least 1 foot below lowest adjacent finish grade and sloped at a minimum 1 % to a suitable gravity outlet. Free -draining granular material used in the underdrain system should contain less than 2 % passing the No. 200 sieve, less than 50% passing the No. 4 sieve and have a maximum size of 2 inches. The drain gravel backfill should be at least 11/a feet deep. Surface Drainage: The following drainage precautions should be observed during construction and maintained at all times after the residence has been completed: 1) Inundation of the foundation excavations and underslab areas should be avoided during construction. Drying could increase the expansion potential of the sandy clay soils. 2) Exterior backfill should be adjusted to near optimum moisture and compacted to at least 95 % of the maximum standard Proctor density in pavement and slab areas and to at least 90 % of the maximum standard Proctor density in landscape areas. Free -draining wall backfill should be capped with about 2 feet of the on -site, finer graded soils to reduce surface water infiltration. 3) The ground surface surrounding the exterior of the building should be sloped to drain away from the foundation in all directions. We recommend a minimum slope of 12 inches in the first 10 feet in unpaved areas and a minimum slope of 3 inches in the first 10 feet in pavement and walkway areas. A swale may be needed uphill to direct surface runoff around the residence. 4) Roof downspouts and drains should discharge well beyond the limits of all backfill 5) Landscaping which requires regular heavy irrigation should be located at least 5 feet from the building. Consideration should be given to the use of xeriscape to limit potential wetting due to irrigation. Percolation Testing: Percolation tests were conducted on September 11, 2002 to evaluate the feasibility of an infiltration septic disposal system at the site. One profile pit and three percolation holes were dug at the locations shown on Fig. 1. The test holes (nominal 12 inch diameter by 12 inch deep) were hand dug at the bottom of shallow backhoe pits and were soaked with water one day prior to testing. The soils exposed in the percolation holes are similar to those exposed in the Profile Pit shown on Fig. 2 and consist of sandy clay to six feet overlying silty sandy gravel with basalt cobbles and boulders to 8 feet. The percolation tests were conducted in the sandy clay soils. Results of a gradation and hydrometer analysis performed on a sample of the sandy clay are presented on Fig. 4 and indicate a clay content of 30 %. The percolation H-P GEOTECH F Doug Graybeal September 30, 2002 Page 4 test results are presented in Table II. Based on the subsurface conditions encountered and the percolation test results, the tested area may be suitable for a conventional infiltration septic disposal system. We recommend the infiltration area be oversized due to the sandy clay soil and the relatively slow percolation rates. Deepening the system into the underlying rocky soils may yield faster percolation rate. A civil engineer should design the infiltration septic disposal system. Limitations: This study has been conducted in accordance with generally accepted geotechnical engineering principles and practices in this area at this time. We make no warranty either expressed or implied. The conclusions and recommendations submitted in this report are based upon the data obtained from the exploratory pits excavated at the locations indicated on Fig. 1, the proposed type of construction and our experience in the area. Our findings include interpolation and extrapolation of the subsurface conditions identified at the exploratory pits and variations in the subsurface conditions may not become evident until excavation is performed. If conditions encountered during construction appear different from those described in this report, we should be notified at once so re-evaluation of the recommendations may be made. This report has been prepared for the exclusive use by our client for design purposes. We are not responsible for technical interpretations by others of our information. As the project evolves, we should provide continued consultation and field services during construction to review and monitor the implementation of our recommendations, and to verify that the recommendations have been appropriately interpreted. Significant design changes may require additional analysis or modifications to the recommendations presented herein. We recommend on -site observation of excavations and foundation bearing strata and testing of structural fill by a representative of the geotechnical engineer. If you have any questions or if we may be of further assistance, please let us know. Sincerely, HEPWOORTH�- PAWLAK GEOTECHNICAL, INC. ouis E. Eller Reviewed by: • d Steven L. Pawlak, P.E 15222 , 2 LEE/djb attachments `rH : s'°n� •asp �F,(�, H-P GEOTECH APPROXIMATE SCALE 1"=100' SUNSET LANE 1 PIT 1 PROPOSED RESIDENCE PIT 2 / P1 P2 P1 pA lo, ell i� PROFILEN PIT N i i I w 1 a J 1 w N 1 � z LOT 2 HEPWORTH—PAWLAK LOCATION OF EXPLORATORY PITS Fi 1 102 599 GEOTECHNICAL, INC. AND PERCOLATION TEST HOLES g' PIT 1 PIT 2 0 SJ WC=9.6 LA- DD=94 5 t Q N PROFILE PIT n 1 10 10 LEGEND: TOPSOIL; sandy clay and silt, organic, firm, slightly moist, dark brown. CLAY (CL); sandy, silty, basalt rock fragments, stiff to hard, slightly moist, light brown, highly calcareous in Pits 1 and 2, no basalt rock in Profile Pit. GRAVEL (GM); sandy, silty, with basalt cobbles and boulders, dense, slightly moist, light brown, calcareous. 2" Diameter hand driven liner sample. Disturbed bulk sample. NOTES: 1. Exploratory pits were excavated on September 10, 2002 with a Cat 420D backhoe. 2. Locations of exploratory pits were measured approximately by pacing from features on the site plan provided. 3. Elevations of exploratory pits were not measured and dogs of exploratory pits are drawn to depth. 4. The exploratory pit locations and elevations should be considered accurate only to the degree implied by the method used. 5. The lines between materials shown on the exploratory pit logs represent the approximate boundaries between material types and transitions may be gradual 6. No free water was encountered in the pits at the time of excavating. Fluctuations in water level may occur with time. 7. Laboratory Testing Results: WC = Water Content (% ) DD = Dry Density ( pcf ) +4- = Percent retained on No. 4 sieve —200 = Percent passing No. 200 sieve 102 599 HEPWORTH—PAWLAK LOGS OF EXPLORATORY PITS Fig. 2 GEOTECHNICAL, INC. 1 b\ c 0 0 c 0 x w I 1 c F 2 a 0 v 3 4 Moisture Content = 9.6 percent Dry Density = 94 pcf Sample of: Sandy Clay From: Pit 1 at 3 Feet �i 1 'ni�i.111N11■■1111 NIIIII�II„ IiIIIIIIE11111111 E1111111IM1111111IM11111111 111' IN1111111IM1111111IM11111111 0.1 1.0 10 100 APPLIED PRESSURE — ksf 102 599 HEPWORTH—PAWLAK SWELL CONSOLIDATION TEST RESULTS Fig. 3 GEOTECHNICAL, INC. HEPWORTH-PAWLAK GEOTECHNICAL, INC. TABLE 11 PERCOLATION TEST RESULTS JOB NO. 102 599 HOLE NO. HOLE DEPTH (INCHES) LENGTH OF INTERVAL (MIN) WATER DEPTH AT START OF INTERVAL (INCHES) WATER DEPTH AT END OF INTERVAL (INCHES) DROP IN WATER LEVEL (INCHES) AVERAGE PERCOLATION RATE (MINANCH) P-1 37 15 9 1 /2 9 1/2 60 9 8 1/2 1/2 8 1/2 8 1/4 1/4 8114 7 3/4 1/2 7 3/4 7112 1/4 7 1/2 7 1/4 1/4 7 1/4 7 1/4 7 6 3/4 1/4 P-2 38 15 9 1 /2 9 1/2 60 9 8 1/2 1/2 8 112 8 1/2 8 7 3/4 1/4 7 3/4 7 1/2 1/4 7 1/2 7 1/4 1/4 7 114 7 1/4 7 6 3/4 1/4 P-3 30 15 8 3/4 8 1 /4 1/2 120 8 1/4 8 1/4 8 7 3/4 1/4 7 3/4 7 1/2 1/4 7114 7 1/4 7 6 7/8 1/8 6 7/8 6 3/4 1 1 /8 1 Note: Percolation test holes were hand dug in the bottom of backhoe pits and soaked on September 10, 2002. Percolation tests were conducted on September 11, 2002. The average percolation rate is based on the last two readings of each test. n U Z J J Q V w Z 2 V � U) W H p >- o �LU V O LLJ M M 2� U- 0 LL1 rrM cc: 41� QQC O G W N a s O J V R 0LU in ca M U V A A C C co y W WLU 2 1% W Z LL OLu a ¢ U X F � a 0 LU c o Z W N > cc Q O N Z r- 00 a a ?� M Z y r O F a 0 cc C7 W J cc c M Q W Z W 2 ~ 2 W CO F H Z a O O Z M o - c J w CY) F o M U O a �y _ a EJ O d i r 1 L.rnl,I L U r-r,v. neair�n l7 fUJ ZlGU-MU f f P- e- ITEMS NEEDED BEFORE ISSUING THE PERMIT august i�, lQa letter signed by owner stating that owner understands the condition of Resolution ##99-34 Approved Soil Moisture Monitoring Plan from Engineer (i.e., Ed Church), if a "water balance" method of calculating waste load is applied. There must be room for a backup system in case this experimental system fails. A filter after the final septic tank is required. Site of system must be similar to that required for an ET system - not in a shaded north -facing valley, but in an area open to sunshine and breezes enough days per year and hours per day. DETAILS NEEDED IN THE PERMIT _ Permit must be issued in the name(s) of the legal owners of the property involved and must contain an accurate description of the property Permit must display the requirements in Section 4- 20 of regs, ,•Experimental Systems". The permit issued for a Drip Irrigation system shall be recorded in yea' estate records for the property- For : 5 years in January of each year, the applicant (owner) must provide a written report to EH ➢ept.documenting maintenance, soil moisture data if required_. CCLR-MGi-Mf iM7 TUI ! Mz-, - CCflM T n - Cnf'-4 C F"i H WTV C,.N , idC47 Tit 17f1f_`C • 0 i cu �u uo uos uC3V August 10, 1999 r1tiM Ln G...0 cnv. Pieaira i �zi IU) zicu-bu-l-t P. a ASPEN PITKIN ENVIRONMENTAL H wuii DEPAIiTMFNT We have been notified -that you. are going to install a Drip Irrigation sewage idisposal system for your property and we want to be sure that you, the property owner, understand what this means.. This is an alternative method of wastewater disposal not provided for in the Pitkin County Regulations: As such, it has been declared an experimental system and the installation of a total of eighteen such systems have been approved. Attached is a copy of Resolution #99-34 which was adopted by the Piddn County Board of Commissioners, acting as the Pid& County Board of.Health. We. request that you read the conditions of the resolution and sign the bottom of this letter stathing that you understand these conditiobs. We have.taken these precautions because'Drip Irrigation is an experimental system in this area. Several hundred of these systems have been installed on the Eastern . Slope. However, we do not have historical data to Know how the system will perform at dais altitude and in the extreme and varying weather conditions we- experience. Some conditions that must be met before we can issue your septic permit are as follows: ' • If a "water balance " method of calculating waste load is applied, a monitoring plan must be submitted to determine saturation status of soils. After installation, you trust provide.a written report to this Department documenting maintenarice on the system for a period of five years, and submit it to this Department in January of each year. Owner Signature Date Address of Property I understand Resolution #99-34 130 SOUTH GALENA STREEr • ASPEN, COLORADO 81611-1975 • NoNE 970.M.5U%U • NAX 70.YLU.J17, TWI I Gam - ra.GM T I S • FOr_] 1= ("`flI IKITV �K l l { M31 TW Dor= • 7 I -- LU UJ I U e UJN riL.mLri UU r- nv. neaLrn LZJfU1zjeU-z)Ull P.4 Resolution # 99 - l . The Pitkin County Board of Commissioners has declared in u the f lrn—CQalternative i t . w (Regulation), support methods of wastewater disposal not otherwise provided for in the Regulation. In this case such an alternative system commonly known as Drip Irrigation shall be declared "extpeiii�ir ental" 2.. The Pitkin County Board of Commissioners has declared in the Regulation that the experimental system must be designed by a Registered ProfessionaleeEvngineer prior to submittal to the Aspen/Pitkin Environmental Health Department 3, The Pitkin County Board of Commi�"I`he Local Beard rg as the Pitkin ef HealthBoard mnY Health (PCBoH) recognizes, and the Regulation states: not arbitrarily deny any person the right to consideration of an application for such a system and shall apply reasonable performance standards in determining whether to approve an application." NOW, THEREFORE BE IT RESOLVED by the Board of County Commissioners of Pitkin County, Colorado, that the use of "Drip Irrigation" as an experimental wastewater disposal system in Pitkin County meets the conditions of the Regulation to be declared experimental, and sitting as the Pitkin County Board of Health declare approval for installation of a total of eighteen (18) such systems in the County with the following conditions: 1 Any permit for installation of a Drip Irrigation wastewater disposal system must be issued in the name(s) of the legal owners of the property involved, must contain an accurate description of the property, and must conspicuously display the requirements in Section 4-20 of the Regulation, titled; "Experimental Systems". CCQ_Ofl_3rti � 7U11 MCZ -EZCOM Tn- Cnf--1 C -ni 1KrrV CO?I U=nl -rU Ot f-2c:- A rikmLri UU GnV. neelLn l.11IU)zjLU-JU/1 p.5 2. The Piticin County Board of Health and the AspeniTitkin. Enviromnental Health Department will assume no liability in the act of issuing a permit for a Drip Irrigation wastewater disposal system, either for design or performance. 3. The permit issued for a Drip Irrigation wastewater disposal system shall be . recorded in real estate records for the property served by the system. This recording is for the purpose of putting future purchasers on notice that an experimental sewage disposal system serves their property. 4. The applicant must commit to follow the recommendations of the AspenlPitkin Environmental. Health Department (Department), and those of the Registered Professional. Engineer consultant to the Department if approval is given to install the experimental system. 5. As is stated in the Pitkin County ISDS Regulation, Section 4-20; The applicant roust provide for a "_ timely installation of a backup system of a type described in this regulation if the experimental system fails." The lot on which a Drip Irrigation system is to be installed -must be large enough to accommodate a traditional individual Sewage Disposal System (ISDS) so that if the Drip Irrigation system fails and cannot be repaired, the owner will have roora to construct a replacement. system. This is consistent with previous. pCBOH actions on experimental systems as found. in Section 12-5.1 of the ISDS Regulation. 6. If a `rater balance` method of calculating waste load is applied, the applicant must provide a monitoring plan to determine the saturation status of soils, especially in the early spring months when the leaching bed is at its peak - storage. 7. The applicant must provide a written report to the Environmental Health Department documenting maintenance on the system (such as when the liters are changed and when the valve regulating field use is activated). The soil saturation data requested in condition 6 alcove must also be reported_ The reporting must continue for a period of five (5) years, and be submitted to the Environmental Health Department in January of each year. 8. The installation of a filter after the final septic tank to remove any material which may remain to clog the distribution line ports will be required. 9. Since Drip Irrigation is promoted as an ISDS that is suitable for poor percolating soils, it assumes the form of a modified evapotranspiration (ET) system. In some cases it may be an evaolranspirationlabsorption system using both air and plant evaporation with minimal soil absorption. Section 12-6.4 of the Pitkin County ISDS Regulation requires placement of these type systems, " ..in an area where there -is exposure to sunshine enough days per year and hours per day to allow for adequate functioning of the system, and must take into account the number of months per year in which the area is covered with snow. ET systems may not be used in shaded north -facing areas in valleys, for example, but must be in areas that are open to sunshine and exposed to sufiicieiit breezes." FFR-PM-PMM7 TWI I 91S- IiCPM M. Pom P ('fill 1HTY Phlt I WPOI TW oar_c• I-- V�u cu uo uo:uap r1LKin uo r-nv. meaizn lU"FU1�JeU-bU-l-1 p.b J 10. Pitkin County ISDS Regulation requires a water flow. "peaking factor' in the design of ISDS. However, since no -daily peaking factor" is figured in the calculation of the Drip irrigation wastewater disposal system, and this is a significant variation from the Regulation, this requirement is waived with the condition that only a total of eighteen (18) systems using this modification be allowed in Pitkin County until it can be verified that the public health of residents, and the enviroarnental health of surface and ground water is not compromised. 11. The owner will be required to submit a final "as -built" drawing to the Environmental Health Department upon completion of the installation. This drawing must be submitted by the engineer (or his/her designated representative) who provided the approved design that was the basis for permit issuance. APPROVED AND ADOPTED ON THE 14 h DAY OF ._MaMh_. 1999. PUBLISHED AFTER ADOPTION IN TEE. ASPEN TIME& ON THE13th DAY OF March, 1999 APPROVED AS TO FORM: John Ely, County Mey RECOMMENDATION FOR ADOPTION: v Thomas S. Dunlop, Director Environmental Health Department watendripreMdoc BOARD OF COUNTY COMMISSIONERS OF PITKIN COUNTY, COLORADO esiie J. Lamdtft, Chairpersorr Date:�� i-- MANAGER APPROVAL lii� Kmj__�_ ___ S e Kan han, County Manager CCQ_=fM_�DMM T -rUl l ME--[-_7CM Tn-CC]f-2i C (`n1 IK17V CK11l LJ=nf TLJ o!_3(_C•G Community Development Department (970) 328-8730 FAX (970) 328-7185 TDD (970) 328-8797 Email: eccmdeva@eagle-county.com www.eagle-county.com EAGLE COUNTY COLD ADO Doug and Peggy Graybeal 570 Riverside Drive Basalt, CO 81621 Eagle County Building P.O. Box 179 500 Broadway Eagle, Colorado 81631-0179 January 30, 2003 Dear Doug and Peggy, Please be advised that the physical address for Eagle County parcel APN: 2391284 01002, Lot 2, Filing 3 of the Soderberg Subdivision has been changed as follows: 0188 Sunset Lane instead of 2760 Sunrise Lane This address assignment or change must be approved by the E-911 Coordinator for Eagle County to ensure that it is consistent with other addressing in the area and will foster quick responses by fire, ambulance and law enforcement personnel, if that should ever be necessary. If a subsequent change is needed, you will be advised. Please feel free to call me with questions regarding this or any other issue at (970) 328-8751. Sincerely, Cliff Simonton Planner cc Chrono file 4501 Wadsworth Blvd. Wheat Ridge, CO. 80033 Gaefla Rock-30-3-9604-399 FAX W-3-663-1249 Pine Junction 303-816-143t FAX 303-81 rM 942 F ove4and 970-663-2124 FAX a70 3-2181 Fax , :WIJRCF4- ASOCfAT s INC. Phoney 30 -- - -17 ate. 30321 To: t._—a"V-A'F,,, t i From �--_V-sL 6L,(r✓i S gcmpany. i- C- t-k !7 Date: Fax No. 1� ?o l �3 J-, -, - 43�-7 0 /fir . •i'��^�7t Q Urgent Q For Review ❑ As Requested T Please Repf'y CC: Fax: FU: LAW 4 Y f t Ui i CG fJs �J��l� ii G�iff v^"vi� l hint C 'k eAs :5t4 1[r]�� � V� ��t Y>n ' S tii � Sic _ i� �e S � ► C � �--� � -t`Ca Ct v1 S bve r- ch rt J � Yne- k-v10 W w \n a e 1 s( —L fl c7 F�Cr J Lye 1 i�oty� l ivv� dive yIDv.1 4t ecA i1 w Ie�n J t�� i � k�tir vtg � �L%a_`.s:_,nLSrC..1'1�s Lu✓r� PAGES( ff NCLLJDING COVEi#. SHEET) 1 -d e617:80 60 so Jew 0Ai From: Doug Graybeal jarchdougP—rof.netj Sent: Wednesday, February 26, 2003 9:57 PM To: Ifaweett@eagle-county_corn Cc: Ed Church „ 5 Subiect: Fw: Graybeal Drip irrigation System 7 SJ ----- Original Message From: "Doug Graybeal" <archdoug@rof.net> To: "Tim Petz" <tpetz@geo-church.com> Sent. Tuesday, February 25, 2003 9:13 PM Subject: Re: Graybeal Drip Irrigation System > Tim_, > The well is to the west of the property . Drive to the end of Sunset Lane > to the west. I believe the intersection is two lots to the west and turn > north on the the intersecting road. ( I do not rememebr the roads namei The > well is on.the left about 100 feet from the intersection. Is that enough > informations ? > Doug > ----- original Message a---- > From: "Tim Petz" <tpetz@geo-church.com> To: <lfancett@eagle-county.com> > Cc: "Ed Church" <echurch@geo-church.com>; "Doug Graybeal" Sar hdou,@rof.net> > Sent: Tuesday, February 25, 2003 12:O4 PM > Subject: Graybeal Drip Irrigation System > > Thank you Laura for your questions. > > Doug,could you provide connunity well Location to myself or Laura, y p"' with > Eagle County Health Department, in reference to your proposed residence. I > would like to include it on my site plan. > > Laura, State Health Department Documentation would be available from Tom The following is also > Bennet. Ed may be able to direct you ;otter- Also drip > irrigation (yws permLitted in Feb 19990 in Eagle county- FARRELL,TRACY > Sub -Division: HORSE MOUNTAIN RANCH,L59 County: EAGLE > > Our firm will he requiring an effluent filter with inlets in the clear > zone of the first septic tank. The Orenco (TM) Filter will suffice, as > specified, although alternatives may be considered. > > The subject site has sufficient sun exposure for a drip irrigation system. 1 ?'d e647:00 Fn so Jew ��u� it LVVV 1T'LV 1 .VL CC?L(3RAdO DEPARTMENT OF HEALTH STATE OF CoLoRAnn 4210 East 11th Avenue �, ;. �yE• Denver, Colorado 80220. Phone (() 32 33 Mr. Ed Church, ,p. E. Roy Romer Governor Inc ThomBa M. Vernon, M.D. 925 E_ 17th Ave, €xecutive Director VdnYeY, CO 80211 ktf BELL-PAT-1 System Certification Dear Mr. Church. - Per your request, the technical informatiOu eubm; tted Legarding the BELL-pATT oa-si.te sewage disposal system has been evaluated agairxst the criteria contained in the Colorado Individual Sewage Dis technology is hereby granted. posal System Guidelines CS CCR 1003-6). Based upon that review, certification of the EELi-PATT system as new Installation and use of the BELT,-PATT following conditions: system in Colorado is subject to the 1) The septic tanks used in cozijtmetion with the drip irrigation system will be constructed in accordance witk applicable design Criteria contained in Section VIII of the individual Bewa.ge Disposal System Guidelines. 2) Because the system is designed to allow a de gree �u system e6mpouen andfphysical featuresnshal horizontal distances betwe4l be as described in Section VI of the Individual Sewage Disposal System Guidelines for subsurface dispersal systems. 3) It is xecom-mended that risers be installed on the end of irrigatioddistri.butiOn lines to facilitate cleaning of the lines should they become plugged. 4) It is also recommended that system owners be provided with a recommended schedule for closing the various portions of the fLeld. Aiease note that the Colorado Individual Sewage Disposal System Act (CiS 25-10) empowers ind i;:idua; counties to adopt and enforce criteria which may be instances any such count more stringent than those contained in the state guidelines. in those county contained may be applied in lieu of state criteria. sincere s i i n Re a rc- er Drinking Water/Ground Water Section WATxu QL- A; 3:- CONTROL DIVISi0N PST/1 1r nr IDS file County ISDS Contacts MQP-9 -- C--7 s ;nM Tn • Fare F r it 1K4TV Chit I uCGI Tu DCU=- =� --. .- ---.-- ..... ,.. ,. ... v�vv�v � �v.� y� Lvvv 1.7 •L4! 1 . VV E. 0. CHURCH, 104 . CONSULTING GEOLOGICAL ENGINEER —925 E. 93m AVEMIJE i DENVER, CC71.CqA00 80218 • (303) 832-9M2 November 26, 3486- - Colorado Department of Health Voter QUality Control Division 4120 Bast 14th Avenue Denver, CO 002106 Amin' 1 Phil negeman Gentlemen, We are requesting the certification by the Colorado Department of Health of the "BELL-TATTS° o siite sewage disposal system vithin the state of Colorado. The BELL- PATT system is not a manufactured sewage treatment plant. but an ote Sewage disposal system utilizing septic two treatment tecitttolagy with drip Irrigation surface disposal uethads. The basis of our request is that there in not nationally -accepted design criteria for the system. This request' for certification would allow installation in Colorado when designed by a E.O. QW-R T* INC. a Registered Professional Engineer experienced in the BELL -PAT system function and installed by JIM PATTERSON CCWANi. The BELL-PATT system is a dosed, septic tank treatment, drip irrigation sevage disposal system. We anticipate that the system will be .installed where percolation test results indicate poor percoltion ctaracteristicS, although it can be installed in standard system criteria areas. The system utilizes a minimum of 1600 gallons of treatment capacity in two 1000 gallon 2-compartment ,septic tanks. The second chamber of the second tank is used as -a pump chamber (lift station) from which effluent Is dosed to the drip irrigation disposal field. The disposal field includes a minimum of 4 sections of 2 •inch perforated distribution pipe trenched to depths of 12 to 30 Inches into native soil. Each section consists of a level series of distribution pipe. One section is "rested" at all times, to extend the life of the field. The disposal field will be sized based ou a combination of the percolation characteristics of the ,soil and potential evaporation --transpiration at the site. A general explanation of the BELL -PAT system is presented as APPENDIX A. A copy of a typical design report and calculations are attached as ,Appendix B. .Attached as -Appendix C is the . OPEWION. An, mA (Si and M) letter provided each owner. The 0 and 'M letter provides eorergency phone numbers and details as to the equipment installed at the ,site_ At this time, 33 BELL-PATT systems have been designed and 25 systems have been installed. The systems have beeu installed in 5 counties, Adams, Arapahoe, Douglas, Elbert, and Jefferson under the Jurfsdictitat of Elbert* Jefferson and Tri-County Health Departments. The systems as indicated on Table I have been fuuctipn for as long as 3 gears with no system failures. The only probleas which have developed was a snechabical problem (pump) w1dc.b was quICkly MAP- 17-r=Gi[7 mntj 0-3_11PMI Tn_Pom F rni1WTY PM i-Pa T;4 pjor==, 2 r . . corrected. The designs have been installed as experimental systems because of the lack of nationally recognized design standards. Based on literature attached from research studies and the experience witbin Colorado, we are requesting the certification to allow installation of the system within Colorado. The system as requested will be Only installed when designed or the designed reviewed by E.O. CMRCH IBC. CO Si3LTING EMCISZER and justalled by 7]14 PATTEESON Company. Each system will be individually designed. for the type of structure r--pOsed and site Subsurface conditions. General deel.gn and construction details are attached as APPENDIX A. Included as APPENDIX B Is a current design letter. A copy of a letter whicb is given to homeolorners and buisding owners is presented as APPENDIS c. A list of designee and installed BELL —PAT systems is -included as APPENDIX D. Copies of published literature pertinent to the BELL -PAT system is attached as APPENDIX E.. If there are any questions, or if we can be of further service, please call. Very truly yours, t B.Q. ;�•,�..4:�-., Church ', . • ; .`o Ley Edward Q. Church, P.E a~ 13172 s t Mclac ,j=-17-aM 7 MnM R-R- 3 I PM ;n= Pari P s~f-31 1WTY PW 3 W;=ai TW ParG • a _-. ._ ___._- ,..,.. ..vv v._vv�v ui ,.1 LVVV 1Y•LV 1 VJ APPENDIX A SELL-PATT ONSITE SEWAGE DISPOSAL SYSTE14 - r�4i CO.,DITIONS GE — RAL -1 The -BELL-PATT Onsite Sewage Disposal System (08DS) is a dosed septic tank treatment and drip irrigations infiltration sewage disposal system. The system Is proposed for use in primarily poor percolation soils, although general use Is possible, but not typically economically Justifiable. The capability of the system to function in poor percolation conditions is: 1. the extended treatment in oversized septic tanks, 2. the closed application of effluent, axtd 3. the relatively shallow drip irrigation dispersal pipes. References and general design and Installation criteria are presented below. TREATMENT installation; The treatment is by a minimum of -two- 1$'eto= ga loa 2 compart- ment septic tanks' This ally s a minimum of 1600 gallons of retention capacity. Larger residences or commercial, facilities are sued to a retention capacity of 130% of state Minimum capacities. Operation: Operation and maintenance of the system will require pumping of the septic tanks on a regular schedule. We recommend pumping of the septic *aHk s at the end of the first year to monitor sludge accumulation and at a minimum of every 2 years afterwards, or as needed sooner. DOSING and DISTRIB>TTION - From the 2nd chamber of the 2nd septic tank effluent Vd-11 be pumped to the drip irrigation disposal field thrp 4 distribution valves. DOSING: DOSING is be drone by pumping of effluent from the final chamber of the septic. tanks. The size of the pump is determined on a site .specific basis. 'I)Iplcaily the pump will have a 2 inch delivery capacity with horsepower ratings ranging from 1/3 to 1/2 S.P.. A minimum of 150 gallons per dose will be specified to distribute effluent thru a minimum of 33% of the disposal field. The pumps will be specified from readily available, off the shelf, equipment. ,n alarm system is installed to wary owners of pump failure. Distribution: Distribution of effluent is designed with a minimum of 4 valves. The valves control effluent flow to the fields, so that resting can take place, or a saturated field section can be isolated. A typical detail •of the valve system is attached in Appendix B. Each valve serves a proportionate section of disposal field (maximum of 1/4 of the field area). One section of the disposal field Will be unused (resting) at all times to prolong the life of the system,. The resting of the section of the field will help degrade any organic matter buildup in the field. DISPOSAL FIELD -.T�e disposal field will consist of a minimum of 4 sections.he section will t cally be IGO feet long along contours. The trenches within each section is installed at a depth of 12 to 30 inches. The section can be sized to step down a natural slope. The disposal field will be -only installed in native soil. No installation will be allowed when soils are wet because ameariug" of clay soil can occur, which can retard water flow in the soils.. aizinA: The disposal field size is determined by. a combination of Characteristics of the site u+ich include: percolation rates, potential evapotranspiration values, slope, ground water conditions, and depth to bedrock. A summary of the application rates for percolation rates is atta hed as Table 11. An example of A TYPIC&l disgeajD, 1 field 1%1ma fox a 3- Ucd-ro= map-17-Pmp, m m Gib- 1 1 PM Tft= i C r_? � f'flf &1TV Chll I l..=1 Tti e r A- L residence with a percolation rate of 90 minutes per inch (MPI) would be 3800* square feet (S.F.). The calculations include safety factors of 1.5 for peak loading and 1.6 for a garbage grinder and washing machines. The axes of the drip irrigation disposal field is larger than a comparable sand E-T design area. Installation; The distribution pipe is installed usj.ng a trenching machine to excavate an 8 inch trench. Two inch perforated pipe is installed in the bottom of the trench. The'treaches are backfi.11ed with native soils. The soils are not compacted, but excess soil is left above the trench to. compensate for settlement of the trench baekfill. . Seed4 us: We recommend the seeding of the top of the drip irrigation ' field with a dryland seed mix which does not require irrigation. There are several seed mixes avatl.avle locally which are suitable. Example mixes include: Pasture, Foothills, and Dryland. p a'tion: The primary limiting condition or the system is that no irrigation can take place above the disposal field. The soil conditions which will. require the use of the BELL -FAT system indicates that subsurface infiltration is limited. Therefore, the addition of surface irrigation will deter the effectiveness of the system. No surface irrigation is allowed over' the disposal field. A copy of operation and maintenance procedures which are given to owaners is attached as APPENDIX C. F-ArM ANCE - The EELI.-PAT"i system is relatively maintenance free. The septic tanks should be pumped at the and of the first year of use to monitor sludge accumulation and a minimum of every 2 years afterwards. The use of the sections of the disposal fields should be rotated. at 6 month intervals:. One section Should be drying at all times. If au individual section becomes saturated it can be closed or partially closed and allowed to dry while the "dry" section is opened. The only mechanical component is the pump. The pump is a locally available heavy duty pump which will provide long service life. A service label for the system is attached to the alarm. The label includes the pump size and model number and emergency phone numbers to call for service. REFERBNGES - There is a growing availability of refereoee material for sewage disposal systems such as this. Listed below and attached as -APPENDIX E are several. references. USE OF SHALLOW LOW-PRESSURE INJECTION SYSTEMS IN LARGE AND SMALL MSTALLATION, B.L. Carlile, North Carolina State University. OPENS UP POSSIBILITIES FOR. Mswv. , Jourual of Environmental Health, 1975. Environmental Engineering and Sanitation, Small Wastewater Disposal Systems far Unsuitable Soils or Sites, Joseph A. Slavato. ALTERNATIVE FOR SMALL Wastewater TREATMENT SYSTEMS,. XPA. Report, EPA-625/4-77-011-V.1. HOME SEWAGE TREATHMI Proceedings of the Second National Bose Sewage Treatment Symposium - 1977, American Society of Agricultural Engineers. 4+nP- 17-r M7 R"nM I,7- 4 PQM Tn• Curl C f'fil IKITV Ck11 I W=701 T-- Rs3r'C=C ISDS Permit #SS-C 3 Date �l 3 10 3 otOx6L ISDS Final Inspection Completeness Form VUL 1Oon 9` � aTank is 1000 gal. Tank Material C� 1 V Tank is located w ft . and L7 3 degrees from QJk&-0-v-61-'* (permanent landmark) Tank is located ft. and degrees from (permanent landmark) h 20-c 4/1L�.'� i'i •t�.a�.�-f: Oe SL �.� ✓ Tank set level. Tank lids within 8" o finished grade. Size of field ft2 units lineal ft. Technology Cleanout is installed in between tank and house(+ 1/100ft). 0 There is a "T" that goes down 14 inches in the inlet and outlet of the tank. ✓ Inlet and outlet is sealed with tar tape, rubber gasket etc. Tank has two compartments with the larger compartment closest to the house. U Measure distance and relative direction to field. Depth of field -ft. Soil interface raked. Inspection portals at the end of each trench. Proper distance to setbacks. Chambers properly installed as per manufacturers specifications. (Chambers latched, end plates properly installed, rocks removed from trenches, etc.) Type of pipe used for building sewer line leach field e-}y� Other Inspection meets requirements. Copy form to installer's file if recommendations for improvement were suggested. ACTION TAKEN: Setbacks Well , Potable House Property Lake Dry Tank Drain Water Lines line Stream Gulch Field 100 25 20 10 50 25 10 10 Tank 50 10 5 10 50 10 * 10 >R V) V) N --gyp____________' `�` N D1_14'3_2_'_E ��-N ---5369,72' cn w N CZ t C. 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L� ,l;�•�f_: •, tr � �• `Sr�} ,� f •:�� r � Y .•�. .�i � � , Y• Y - �},l -`• rrr i f VV .� 777 r � r � 4 ol,�ip iv— �' �f •� r lk i r•� , x ,�r. r "•� �• 1, �t'jt � �:� � :�• 2255-03 Tax #2391-284-01-002 1 JOB NAME Lot #2, Block 3, GRAYBEAL JOB NO.J Soderberg Subdivision 0188 Sunset T.,— BILL TO DATE STARTED DATE COMPLETED DATE BILLED z .A,-tt ,l-- 61 IAMW — - 17LUcw O �� K � 3e) Gi M -t �' r 'lc. -v - 3 JOB COST SUMMARY TOTAL SELLING PRICE TOTAL MATERIAL 3/ I D 3 ��/1/►tid� TOTAL LABOR 9 iS QS It&( A INSURANCE j P. ,- n < SALES TAX M I SC. COSTS+1 U C l' 1 L-� TOTAL JOB COST 1-0 GROSS PROFIT i)A - LESS OVERHEAD COSTS % OF SELLING PRICE NET PROFIT JOB FOLDER Product 278 JOB FOLDER qDo oci 'Y na :11 wt-41 r L 1 NES I N SPACE / LAND SURVEYS !' t J� ,, TOPOGRAPHIC SURVEY LOT 2. SODERBERG SUBD. # EAGLE COUNTY, COLORADO BY LINES IN SPA CE SYDNEY L/NC/COME ( L.S. 14 / / / ) BOX 0 CARBOWALE. COLO 970-963-3852 DATE 05124102 SCALE P - X * JOB AAA.: 200f-,32 . ,Kv 2S0DER3