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pitkin.eh.273504401010 (2015)
V� iTx n Coti� ONSITE WASTEWATER TREATMENT SYSTEM (OWTS) CONSTRUCTION PERMIT 76 Service Center Rd- Aspen, CO - 81611 Phone: 970.920.5070 Fax: 970.920.5374 Permit #: 0028.2015.POWT Parcel ID #: 2735-044-01-010 Permit Issued: ONEW ❑REPAIR ®REMODEL/ADDITION ❑TANK ONLY ❑FIELD ONLY ❑AMENDMENT Owner(s): Daniel and Kathleen Taylor Property Address: 1130 Clunv Rd Legal Description: Size of Lot: 10.8 Size of Building: _ Lot 10 East Owl Creek >6o00 ft2 Acres Detached Accessory Unit Sq. Ft. Size of Accessory Unit: _ This system is designed to serve 8 bedrooms. Designed By Phone #: Fax #: All Service Septic Project #: Mailing Address: Email Address: []YES ®NO Sq. Ft. C1153 Dated: 07/12/2015 Perc Rate: 0.8 LTAR (TL3) Profile Hole Depth: 7' Depth to Groundwater or Bedrock: 7' Minimum Tank Capacity:. 3200 gallons Minimum Absorption Area: 2000 fe (Reduction for HLT) Permit Conditions: This OWTS Construction Permit is approved on the condition of compliance with the engineer design as submitted with the application and the specifications cited above. Changes must be approved by this Department and the engineer prior to construction. This permit is for a new OWTS for the addition and remodel of the existing residence to create 8 bedrooms. The existing black and grey water systems are to be abandoned with the tanks pumped and removed and the STAs abandoned in place. Evidence of proper abandonment shall be required for final approval of this permit. Sewage shall flow via gravity to two 1500 - gallon two-compartment poly tanks followed by a 500 -gallon single compartment poly tank with an Orenco pump system installed. Effluent shall be pumped to an automatic distributing valve (ADV) and then to (2) 12'X 85' STA beds. Each bed shall have two rows of 21 Eljen A42 modules over 3 feet of sand. The STA beds shall be a minimum of 10 feet to the property line and, 20 feet to the water line and 148 feet to any well. This Permit must be kept on-site during installation. The engineer must do a final inspection of the installation and submit an "as -built' letter to this Department within 30 days of the final inspection, unless a longer period of time has been agreed upon, in writing. This Department must also be called for the final inspection with a minimum of 48 -hours notice. Minimum horizontal distances between components of the system and physical features shall conform to the requirements of the Pitkin County OWTS Regulation. This Permit is conditioned upon the property owner(s) providing for regular inspection, cleaning, and maintenance of the system by qualified personnel, in accordance with the manufacturer's recommendations and the requirements of the Pitkin County OWTS Regulation. Issuance of this OWTS Construction Permit does not constitute a guarantee, warranty, or representation by the Department that the system will operate properly or will not fail. Issuance of this permit does not imply compliance with Pitkin County building and/or land use regulations, nor guarantee issuance of building and/or land use permits. THIS PERMIT IS EXPRESSLY CONDITIONED UPON COMPLIANCE WITH ALL REQUIREMENTS OF THE PITKIN COUNTY OWTS REGULATION, INCLUDING BUT NOT LIMITED TO THOSE CONDITIONS SPECIFIED ABOVE. Plans and specifications for the proposed OWTS have been reviewed and are considered satisfactory. Permission is hereby given to the property owner(s) to perform the work indicated in accordance with the Pitkin County OWTS Regulation. This Permit will expire 1 year from the date of issuance unless construction on the system has commenced. An "as -built" drawing must be submitted and approved by EH before final approval of the system will be issued. Issued By: Kurt Dahl, REHS Date: 08/19/15 Expires: License #: Installer:, C-0 Reactivation Authorized by: Final Approv I I ed By' Date: — New Expiration Date: FeePaW ALL33 Four Wheel Drive Rd Carbondale, CO 81623 970.309-5259 SERVICE x,11 H December 8, 2016 Quinn Garvik garviktaylor .gmail.com Onsite Wastewater Treatment System (OWTS) Installation Observations 1130 Cluny Road Pitkin County, Colorado OWTS Construction Permit 0028.2015.POWT Quinn, Project No. C1153 ALL SERVICE septic, LLC observed the installation of the onsite wastewater treatment system (OWTS) on June 8 and July 28, 2016 for the subject property. Walters Company installed the system. The existing septic tanks were pumped and removed. The existing gravelless chambers should be removed, along with all contaminated soils. The area for the new STA was over -excavated to approximately 4 -feet in the benched area of the existing STA. The new system installation included two 1500 -gallon, two-compartment Infiltrator® poly septic tanks followed by a 500 -gallon, single -compartment Infiltrator® poly septic tank with an Orenco® Biotube Pump Vault and Orenco® PF3005 pump. There are filters in both the outlet side of the second septic tank and pump tank. These filters must be cleaned annually, or as needed. The pump floats were set to dose approximately 95 gallons per dose. The control panel for the pump was installed in the mechanical room of the residence and is tied to the home security system. Valley Precast performed start-up on the pumping system. Effluent is pumped through a 1.5 -inch diameter Schedule 40 discharge pipe to an automatic distributing valve (ADV) Model 6402. The ADV was placed at the high point of the system and is accessible from grade. Effluent is distributed to two pressurized 12' x 85' beds with a minimum of 3 -feet of ASTM C33 concrete sand installed at the bottom of the over -excavated STA. Two rows of 21 Eljen®A42 modules were placed on top of the sand filter material in each bed and connected with level 1.5 -inch diameter manifolds. Effluent is pressurized through 1.25 -inch laterals, with 1/8 -inch orifice holes facing UP (12 -o'clock) with the first and last holes facing DOWN (6 -o'clock) for drainage, 3 -feet on center. Laterals are placed inside 4 -inch diameter perforated SDR 35 pipe, per Eljen® specifications. Each 1.25 -inch diameter lateral ends in a sweeping ell facing up with a ball valve for flushing. These were cut to grade and covered with a valve box for access. Inspection ports were placed in the sand filter material at the corners of each bed. A 20 mil PVC liner was installed from a depth of 3 -feet below the infiltrative area to the top of the Eljen® modules along the south (downhill) length of the bed. The OWTS was generally installed according to specifications. This observation is not a guarantee of workmanship and/or parts and materials. ALL SERVICE septic, LLC should be notified if changes are made to the OWTS in the future. Any additional OWTS construction must be according to the county regulations. LIMITS: Observations are limited to components that are visible at the time of the inspection. The installer must have documented and demonstrated knowledge of the requirements and regulations of the county in which they are working. The quality of the installation is dependent of the expertise of the installer, soil type, and weather conditions. Please call with questions. Sincerely, ALL SERVICE septic, LLC &v -u (Cl, 0S -t&&1-9 Carla Ostberg, MPH, REHS Reviewed Richard H Over -excavation 1;nil .IF Lr� 1;nil Eljen modules prior to placement rN- -,ti _ • 7-1 • � Fed �' , ~'j r � f,� � � r~ ,�� Modules on sand with inspection ports �a 1 1.25 -inch diameter pipe inside 4 -inch perf pipe Pump chamber prior to placement Septic tanks Inlet and outlet of first tank Inlet of second tank Outlet of second tank with effluent filter ir •Cyd•-� �; A�" 1f i 4 � r > L \ •d /+fit -- ow �i11.. . , �z A ,? - r s • X31: ! A.� �. -�a.: ," z' i�• � sem-,: - i:r - - - �%- _ r... 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A N W Z rn rn m m rn rn m� � ON \\ j N J N J trN O O O \ p \ \< \ \ o o B35 > v m m v z � m cn CD CD CL CL C) n rn \ \ 2 CA \ \ m I I ONSITE WASTEWATER TREATMENT SYSTEM (OWTS) EH/NR CONSTRUCTION PERMIT ( 76 Service Center Rd. Aspen, CO - 81611 Phone: 970.920.5070 Fax: 970.920.5374 Permit #: 0028.2015.POWT Parcel ID #: Permit Issued: ®NEW ❑REPAIR ®REMODEL/ADDITION Owner(s): Daniel and Kathleen Taylor Property Address: 1130 Cluny Rd Legal Description: Lot 10 East Owl Creek Size of Lot: 10.8 Size of Building: >Fnon ft 2735-044-01-010 ❑TANK ONLY ❑FIELD ONLY ❑AMENDMENT Acres Detached Accessory Unit Sq. Ft. Size of Accessory Unit: This system is designed to serve 8 bedrooms. Designed By: Phone #: Fax #: All Service Septic ❑YES ®NO Project #: C1153 Mailing Address: Email Address: Sq. Ft. Dated: 07/12/2015 Perc Rate: 0.8 LTAR (TL3) Profile Hole Depth: 7' Depth to Groundwater or Bedrock: 7' Minimum Tank Capacity: 3200 gallons Minimum Absorption Area: 2000 ft2 (Reduction for HLT Permit Conditions: This OWTS Construction Permit is approved on the condition of compliance with the engineer design as submitted with the application and the specifications cited above. Changes must be approved by this Department and the engineer prior to construction. This permit is for a new OWTS for the addition and remodel of the existing residence to create 8 bedrooms. The existing black and grey water systems are to be abandoned with the tanks pumped and removed and the STAs abandoned in place. Evidence of proper abandonment shall be required for final approval of this permit. Sewage shall flow via gravity to two 1500 - gallon two-compartment poly tanks followed by a 500 -gallon single compartment poly tank with an Orenco pump system installed. Effluent shall be pumped to an automatic distributing valve (ADV) and then to (2) 12'X 85' STA beds. Each bed shall have two rows of 21 Eljen A42 modules over 3 feet of sand. The STA beds shall be a minimum of 10 feet to the property line and, 20 feet to the water line and 148 feet to any well. This Permit must be kept on-site during installation. The engineer must do a final inspection of the installation and submit an "as -built" letter to this Department within 30 days of the final inspection, unless a longer period of time has been agreed upon, in writing. This Department must also be called for the final inspection with a minimum of 48 -hours notice. Minimum horizontal distances between components of the system and physical features shall conform to the requirements of the Pitkin County OWTS Regulation. This Permit is conditioned upon the property owner(s) providing for regular inspection, cleaning, and maintenance of the system by qualified personnel, in accordance with the manufacturer's recommendations and the requirements of the Pitkin County OWTS Regulation. Issuance of this OWTS Construction Permit does not constitute a guarantee, warranty, or representation by the Department that the system will operate properly or will not fail. Issuance of this permit does not imply compliance with Pitkin County building and/or land use regulations, nor guarantee issuance of building and/or land use permits. THIS PERMIT IS EXPRESSLY CONDITIONED UPON COMPLIANCE WITH ALL REQUIREMENTS OF THE PITKIN COUNTY OWTS REGULATION, INCLUDING BUT NOT LIMITED TO THOSE CONDITIONS SPECIFIED ABOVE. Plans and specifications for the proposed OWTS have been reviewed and are considered satisfactory. Permission is hereby given to the property owner(s) to perform the work indicated in accordance with the Pitkin County OWTS Regulation. This Permit will expire 1 year from the date of issuance unless construction on the system has commenced. An "as -built" drawing must be submitted and approved by EH before final approval of the system will be issued. Issued By Kurt Dahl, REHS Date: 08/19/15 Expires: 08/19/2016 Installer: License #: Reactivation Authorized by: Final Approval Issued By: Date: New Expiration Date: ❑ nme paw Do Your Part, Be t =f � ii The Do's and Don'ts of Your Septic System Learn these simple steps to protect your home, health, environment and property value: Do: • Have your system inspected (in general) every three years by a licensed contractor and have the tank pumped, when necessary, generally every three to five years. Don't: Do: bill - Pour cooking grease or oil down the • Eliminate or limit the use of a garbage septicsmart sink or toilet. disposal. * Rinse coffee grounds into the sink. Properly dispose of coffee grounds 8 U.S. Environmental Protection Agency - Pour household chemicals down the food. sink or flush them. Put grease in a container to harden before discarding in the trash. Don't: Do: Flush non -degradable products or Dispose of these items in the trash can! chemicals, such as feminine hygiene products, condoms, dental floss, diapers, cigarette butts, cat litter, paper towels, pharmaceuticals. Don't: Do: a Park or drive on your drainfield. The Consult a septic service professional to weight can damage the drain lines. advise you of the proper distance for • Plant trees or shrubs too close to your planting trees and shrubs, depending on drainfield, roots can grow into your your septic tank location. system and clog it. Don't Do: • Concentrate your water use by using Stagger the use of water -generating your dishwasher, shower, washing appliances. This can be helpful machine, and toilet at the same time. especially if your system has not been All that extra water can really strain pumped in a long time. your septic system. Become more water efficient by fixing plumbing leaks and consider installing bathroom and kitchen faucet aerators and water -efficient products. c,>07,8. 7,0 15. Po WT a aly ONS)TE WASTEWATER TREATMENT SYSTEM JOWTS CONSTRUCTION PERMIT APPLICATION 76 Senke Center Rd - Aspen, CO • 81611 Phone: 970.920.5070 Fax: 970.920.5374 Parcel ID# (available from the Pitkin County Assessor's Office 04Q 1 870-920-5160 or si L vt Purpose of Permit: ❑ NEW ❑ REPAIR DUE TO FAILURE REMODEL/ADDITION ❑ TANK ONLY ❑ FIELD ONLY Cost of System Repair or Remodel/Addition (approximate): Property Address: Business Phone: Lot: Block: Filing: Subdivisi Fax Number Email Address: Property Owner(s)*: Ernall Address: ��Ci � 1 � t� � , `�'���. • .� � �;�'�. - - Owner's Mailing Address: City, State, Zip: Home Phone: l'-D4siness Phone: *Contact information must be proldded for the owner signing this appikation. Primary Contact Person/Applican# (if not owner): Company: i si L vt 1� Contact/Applicant Mailing Address: C'rty, State, Zip: Cell Phone: ., LN IL4 Business Phone: — Fax Number Email Address: Building Permit # (if applicable): Lot Size (in acres): i^ t Size of Building (square feet): dumber of Potential Bedrooms: .; L Detached Accessory unit? ❑ YES ED/NO Size of Accessory Unit (square feet): Number of Potential Bedrooms in or Fixture List for the Accessory Unit: Water Source: ❑ PRIVATE WELL SURFACE WATER Q SPRING ® COMMUNi{Y/PUBLIC WATER SYSTEM Name of Community/Public Water. System (if applicable ,,- S Engineering Firm: .lob Number: Phone Number: Fax Number. Mailing Address: r, i ,1city, 4tate, Zip,- PLEASE ip:t PL SE READ BEFORE SIGNING: I certify that the above information is complete and accurate and that I have provided complete and accurate information in all of the documents included in my application package. I acknowledge that EH/NR may revoke any permit i am Issued if my application Is found to contain any inaccurate, false, or misleading Information. I understand that no construction may be undertaken on an OWTS until an OWTS Construction Permit is issued. Owner Signature raAnyk"- Date: Applicant Signature: Date: FOR OFFICE USE ONLY Received by EN/HR Staff: Fee & Receipt #: Date: 162.j38Tj SAO// w O Z Q YDow y VFly �� 8, co I W S m 6 0- I <� .' ';� •` ..�•. ..:" C� �� �� a d�• Cl - CD Cl - (< m -0 agggSS g -'F Nm Jp CQ+ �m OT -O 0 S • _ � 9�p G x Q Q= Zmo 115Q7711 z Y a eyR O me m ornn n o�c m N O p 7 4 ALL633 Four Wheel Drive Rd Carbondale, CO 81623 910.309.5259 IBM ' ' " July 12, 2015 Quinn Garvick Garvick Construction garviktaylor(aDQmail. com Subsurface Investigation and Onsite Wastewater Treatment System Design 8 -Bedroom Residence 1130 Cluny Road Pitkin County, Colorado Quinn, Project No. C1153 ALL SERVICE septic, LLC performed a subsurface investigation and completed an onsite wastewater treatment system (OWTS) design for the subject residence. The property is located outside of Aspen, in an area where OWTSs are necessary. The legal description of the property is Lot 10, East Owl Creek Subdivision. SITE CONDITIONS A single-family residence presently exists and a remodel is proposed. An 8 -bedroom residence with greater than 6000 square feet of living area will result from the remodel. The existing OWTSs (both black water and gray water systems) will be abandoned and replaced with a new OWTS. The proposed soil treatment area (STA) is relatively flat across the area of the existing STA. The property slopes moderately to the northwest on the uphill and downhill sides of the proposed STA. The area of the proposed STA is covered with native grasses, with mature aspen trees surrounding the area. The residence is currently served by and will continue to be served by East Owl Creek Metropolitan District. SUBSURFACE The subsurface was investigated on June 15, 2015 by digging two soil profile test pit excavations (Test Pits). A visual and tactile soil analysis was completed by Carla Ostberg at the time of excavation.' The materials encountered in Test Pit #1 consisted of topsoil and root zone to 18 -inches, underlain by dark brown, moist, silt loam with blocky structure shape, moderate structure grade, and friable consistence to 4.5 -feet, underlain by brown to gray fractured shale to a maximum depth explored of 7.0 - feet. No groundwater was encountered. Test Pit #1 was excavated at approximately the same elevation as the proposed STA. ' Carla Ostberg holds a Certificate of Attendance and Examination from the CPOW Visual and Tactile Evaluation of Soils Training. Page 2 The materials encountered in Test Pit #2 consisted of dark brown, moist, silt loam 2 -feet, underlain by brown to gray fractured shale to a maximum depth explored of 3.0 -feet. No groundwater was encountered. Test Pit #2 was excavated at approximately 3.5 -feet lower in elevation than the proposed STA. Based on the profile pits, we estimate depth to the shale layer at approximately 56 -inches (4.5 -feet) below the depth of the bench with the existing STA. A long term acceptance rate (LTAR) of 0.8 gallons per square foot will be used to design the OWTS, in accordance with Pitkin County OWTS Regulation, Table 6.28-7. Use of Eljen® technology and 3 -feet of sand filter material to achieve TL3. Test Pit #1 (adjacent to existing STA — same elevation) Location of Test Pit #1 inside test pit to 7 -feet . f J. j Encountered corner of existing STA fractured shale from bottom of pit sieved sample Page 4 pump system with an Orenco® PF3005 pump in the second compartment. The pump floats should be set to dose approximately 95 gallons per dose. Control panel for the pump should be placed within line of sight of the septic tank. Effluent will be pumped through a 1.5 -inch diameter Schedule 40 discharge pipe to an automatic distributing valve (ADV) Model 6402. The ADV must be placed at the high point of the system and must be accessible from grade. The 1.5 -inch diameter pump line must have a minimum grade of 1% for proper drain back into the pump tank. Effluent will be distributed to two pressurized 12' x 85' beds minimum of 3 -feet of ASTM C33 concrete sand installed at the bottom of the over -excavated STA. Two rows of 21 Eljen®A42 modules will be placed on top of the sand filter material in each bed and connected with level 1.5 -inch diameter manifolds. There must be 2 -feet of separation between the side edges of the beds and modules, and 4 -feet of separation between the modules. Effluent will be pressurized through 1.25 -inch laterals, with 1/8 -inch orifice holes facing UP (12 -o'clock) with the first and last holes facing DOWN (6 -o'clock) for drainage, 3 -feet on center. Laterals are placed inside 4 -inch diameter perforated SDR 35 pipe, per Eljen® specifications. Each 1.25 -inch diameter lateral must end in a sweeping ell facing up with a ball valve for flushing. These may be cut to grade and covered with a valve box for access. Inspection ports must be placed in the sand filter material at the corners of each bed and also may be cut to grade and covered with a valve box for access. Given the steepness of the slope below the western most bed, we recommend installation of a 20 mil PVC liner from a depth of 3 -feet below the infiltrative area to the top of the Eljen® modules along the south (downhill) length of the bed, or extending the grade with a minimum 3:1 slope. The component manufacturers are typical of applications used by contractors and engineers in this area. Alternatives may be considered or recommended by contacting our office. Construction must be according to Pitkin County Onsite Wastewater Treatment System Regulations, the OWTS Construction Permit provided by Pitkin County Environmental Health Department, and this design. REVEGETATION REQUIREMENTS An adequate layer of good quality topsoil capable of supporting revegetation shall be placed over the entire disturbed area of the OWTS installation. A mixture of native grass seed that has good soil stabilizing characteristics (but without taproots), provides a maximum transpiration rate, and competes well with successional species. No trees or shrubs, or any vegetation requiring regular irritation shall be placed over the STA. Until vegetation is reestablished, erosion and sediment control measures shall be implemented and maintained on site. The owner of the OWTS shall be responsible for maintaining proper vegetation cover. OPERATION INFORMATION AND MAINTENANCE The property owner shall be responsible for the operation and maintenance of each OWTS servicing the property. The property owner is responsible for maintaining service contracts for manufactured units, alternating STAs, and any other components needing maintenance. Geo -fabrics or plastics should not be used over the STA. No heavy equipment, machinery, or materials should be placed on backfilled STA. Livestock should not graze on the STA. Plumbing fixtures should be checked to ensure that no additional water is being discharged to OWTS. For example, a running toilet or leaky faucet can discharge hundreds of gallons of water a day and harm a STA. Page 3 Test Pit #2 (down gradient of existing STA — lower elevation) Location of test Pit #2 Fractured shale encountered at 3 -feet (lower elevation) P f DESIGN SPECIFICATIONS The initially proposed soil treatment area (STA) location during the land use planning process was within a mature grove of aspen trees, which would have required removal of a substantial number of trees. The currently proposed STA location is in the same area as the existing black water STA. As this area has already been disturbed, removal of trees will be greatly minimized. To minimize the footprint, a bed configuration was necessary. The OWTS design is based on 8 -bedrooms having greater than 6000 square feet of living area. A design flow of 1600 GPD will be used. Design Calculations: 8 bedrooms x 100 gallons/person/day x 2 people/bedroom = 1600 gallons/day Septic Tank Capacity = 1600 gallons/day x 48 hour retention time = 3200 gallons minimum STA Calculations = 1600 gallons/day / 0.80 SF/gallon (Sandy Loam Soil Type 2A TL3) = 2000 SF Pressure dosed Eljen® bed = 2000 SF x 1.0 = 2000 SF 2 beds, each 12'x 85'= 2040 SF The existing septic tanks will be pumped and removed. The STA should be prepared by scraping the vegetation and topsoil layer. This layer may be staged and used as cover over the new STA. The existing gravelless chambers should be removed, along with any contaminated soils. The area for the new STA should be over -excavated to approximately 4 -feet in the benched area of the existing STA. The area of the over -excavation must accommodate two beds, each 12 x 85', with 6 -feet of undisturbed soil between the beds. The new system installation must include two 1500 -gallon, two-compartment Infiltrator® poly septic tanks followed by a 500 -gallon, single -compartment Infiltrator® poly septic tank with an Orenco® EasyPak DESIGN SPECIFICATIONS The initially proposed soil treatment area (STA) location during the land use planning process was within a mature grove of aspen trees, which would have required removal of a substantial number of trees. The currently proposed STA location is in the same area as the existing black water STA. As this area has already been disturbed, removal of trees will be greatly minimized. To minimize the footprint, a bed configuration was necessary. The OWTS design is based on 8 -bedrooms having greater than 6000 square feet of living area. A design flow of 1600 GPD will be used. Design Calculations: 8 bedrooms x 100 gallons/person/day x 2 people/bedroom = 1600 gallons/day Septic Tank Capacity = 1600 gallons/day x 48 hour retention time = 3200 gallons minimum STA Calculations = 1600 gallons/day / 0.80 SF/gallon (Sandy Loam Soil Type 2A TL3) = 2000 SF Pressure dosed Eljen® bed = 2000 SF x 1.0 = 2000 SF 2 beds, each 12'x 85'= 2040 SF The existing septic tanks will be pumped and removed. The STA should be prepared by scraping the vegetation and topsoil layer. This layer may be staged and used as cover over the new STA. The existing gravelless chambers should be removed, along with any contaminated soils. The area for the new STA should be over -excavated to approximately 4 -feet in the benched area of the existing STA. The area of the over -excavation must accommodate two beds, each 12 x 85', with 6 -feet of undisturbed soil between the beds. The new system installation must include two 1500 -gallon, two-compartment Infiltrator® poly septic tanks followed by a 500 -gallon, single -compartment Infiltrator® poly septic tank with an Orenco® EasyPak Page 5 If an effluent filter or screen has been installed in the OWTS, we recommend this filter or screen be cleaned annually, or as needed. If the OWTS consists of a pressurized pump system, we recommend the laterals be flushed annually, or as needed. The homeowner should pump the septic tank every two years, or as needed gauged by measurement of solids in the tank. Garbage disposal use should be minimized, and non -biodegradable materials should not be placed into the OWTS. Grease should not be placed in household drains. Loading from a water softener should not be discharged into the OWTS. No hazardous wastes should be directed into the OWTS. Mechanical room drains should not discharge into the OWTS. The OWTS is engineered for domestic waste only. ADDITIONAL CONSTRUCTION NOTES If design includes a pump, air release valves and weep holes must be installed to allow pump lines to drain to minimize risk of freezing. The pump shall have an audible and visual alarm notification in the event of excessively high water conditions and shall be connected to a control breaker separate from the high water alarm breaker and from any other control system circuits. The pump system shall have a switch so the pump can be manually operated. Excavation equipment must not drive in excavation of the STA due to the potential to compact soil. Extensions should be placed on all septic tank components to allow access to them from existing grade. Backfill over the STA must be uniform and granular with no material greater than minus 3 -inch. INSTALLATION OBSERVATIONS ALL SERVICE septic, LLC must view the OWTS during construction. The OWTS observation should be performed before backfill, after placement of OWTS components. Septic tanks, distribution devices, pumps, dosing siphons, and other plumbing, as applicable, must also be observed. ALL SERVICE septic, LLC should be notified 48 hours in advance to observe the installation. LIMITS The design is based on information submitted. If soil conditions encountered are different from conditions described in report, ALL SERVICE septic, LLC should be notified. All OWTS construction must be according to the county regulations. Requirements not specified in this report must follow applicable county regulations. The installer should have documented and demonstrated knowledge of the requirements and regulations of the county in which they are working. Please call with questions. Sincerely, ALL SERVICE septic, LLC C,ah La Oat&AS Carla Ostberg, MPH, REHS Reviewed a Richard H. DESIGN 8 -BEDROOM RESIDENCE, GREATER THAN 6000SF LIVING AREA (100 GAL/PERSON/DAY x 2 PERSONS/BEDROOM x 8 BEDROOMS) WASTEWATER FLOW = 1600 GALLONS TANK: 1600 x 48 HOUR RETENTION TIME = MIN. 3200 GALLONS USE TWO 1500 -GALLON, TWO-COMPARTMENT TANKS, FOLLOWED BY A 500 -GALLON PUMP TANK. SOIL TREATMENT AREA (STA): SOIL TYPE 2A, TL3 (ELJEN + 2' SAND) LONG TERM ACCEPTANCE RATE (LTAR) = 0.8 GAL/ SO FT CALCULATED STA = O/LTAR = 1600 / 0.8 = 2000 SF PRESSURE DOSED BEDS = 2000 SF X 1.0 = 2000 SF TWO BEDS, EACH 12'X 85' N OEM 0' 50' 100' (j2. ----------- 33 ---------- ALL 33 Four Wheel Drive Road Carbondale, Colorado 81623 SERVICE ' I b Phone 970.309.5259 cada@allserviceseptic.com rl SITE PLAN Taylor Residence 1130 Cluny Road Pitkin County, Colorado Project Number. 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Digging Specs Invert Dimensions Net Net Working Capacity ------- _d_ Weight 1st Comp 2nd Comp I Total 16' Long x 7' Wide Inlet Outlet Length Width Height --- — -- -- - — ! ---- 43" below inlet 47" 44" 175.6 61.7 54.5 501 lbs. 1006 gal 503 gal 1509 gal Water&(719)3954764 1 Wastewater P.O. F)BU PRECAST, Time. a service Web8ft: www.vallsyprecastcorn ® 1 1 1 Products OM -540 r lr r %@ Poly ,/ I i r j a? ,t s:», r, 1. ig! Head Pump Wiffill Rr Wire P ectl( View -64.9" Lemm NOTE TANK EXTEMOR MDTH IS BU' TANK — HALF TANK INTERIOR ALIGNMENT DOWEL 1Ar - Section fl DESIGN NOTES • Compliant with CSA and IAPMO Standards • Secondary safety screen available with PVC Riser • Delivered complete with internal piping • Maximum burial depth is 48" • Minimum burial depth is 6" • Tank is not rated for vehicular traffic loading • Exterior of manhole cover includes the following warning: "DANGER DO NOT ENTER: POISON GASES" *Service contracts available for maintenance.* Digging Specs Invert Dimensions Net Weight Capacity 6' Long x 6' Wide Inlet Outlet Length Width Height - -- - - -- 47" below inlet invert 47" 61" 64.9" 61.7" 78.6" 552 gallons 1369 lbs INFILTRATORS $6 ptic tank3 DMVAT/M SYS" HC. L] Off R H<o ItI]Cw<<>> A� p[pi ovations Orenco's Biotube EasyPak"' Pump Package is the first pump package designed specifically for use in pump tanks to filter and pump effluent to dispersal.* It includes the following components: • EasyPakV' pump vault • 4 -inch turbine effluent pump • Biotube® filter cartridges (3) • Flow inducer • Float switches with sliding collars • Discharge plumbing assembly • Splice box • Control panel (demand dosing or timed dosing) The kit saves time for the installer and protects the drainfield from dog- ging. Choose a system for demand dosing (to a gravity drainfield) or timed dosing (to a pressurized drainfield or mound). * Patent pending Combining components for filtration, pumping, and control, the EasyPak" Pump Package installs quickly in any pump tank (purchased separately) and allows pump- ing to nearly the bottom of the tank. APS -PN -1 Rev. 1.2, © 05/09 Orenco Systems', Inc. Sic-aridd1la v k11 Fn,ai�girns cit 3oiii�ei ft • A complete system in one box • Drops right into a pump tank • All parts designed to work together • Vault keeps out sludge, but allows pumping to nearly the bottom of the tank to meet large reserve capacity requirements • Turbine pump lasts four times longer than centrifugal pumps and is war- rantied for five years • Turbine pump with- stands the frequent starts and stops that timed dosing requires • Patented Biotube° filter has 14 ft2 of filter area • Snap -in float stem and adjustable float collars keep floats securely in position, speeding installa- tion and servicing • Built of molded ABS and PUC for long life • Demand dosing and timed dosing sys- tems available • Easy to select, install, and maintain • To order your free EasyPak Design Aid CD-ROM, call Orenco at 800-348- 9843. Or you can download every- thing on the CD by visiting the home page of orenco.com and clicking on "New Products" or the EasyPak graphic. The EasyPak"° Pump Package replaces pump -on -a -block" systems with a complete package that's easy to install and maintain. Orenco Systems® Incorporated Changing the Why the World Does Wmteewttei 1-800-348-9843 www.orenco.com iota eO Easy T" Components Control panel • Demand -dosing systems: Simplex electro- mechanical panel • Timed -dosing systems: Choice of analog or digital timer panel External splice box also available Model Code for Ordering BEP uuu Ischarge assembly: Blank = Standard DB = Drainback CW = Cold weather Panel: DD = Demand dosing TDA = Timed dosing, analog TDD = Timed dosing, digital Float tree bracket Flow inducer Biotube° filter cartridges (3) EasyPakT" vault Pump flow rate (nominal): 10 = 10 gpm (0.6 Usec) with 1/4 -in. (6 -mm) flow control 30 = 30 gpm (1.9 Usec) 50 = 50 gpm (3.2 Usec) Biotube EasyPakT" pump vault, 15 -inch (380 -mm) vault Float tree Discharge plumbing assembly (Cold -weather and drainback discharge assemblies also available) Float switches with collars • Demand -dosing systems: high-level and on/off • Timed -dosing systems: high-level, timer off, and redundant off To Order Call your nearest Orenco Systems, Inc. distributor. For nearest distributor, call Orenco at (800) 348-9843, or go to orenco.com and click on "Distributor Locator." Distributed By: Introduction Orenco's automatic distributing valve assemblies, pressurized with small high -head effluent pumps, are useful for distributing effluent to multiple zones. These zones can be segments of sand filter manifolds, drainflelds, or other effluent distribution systems. Distributing valve assemblies can substantially simplify the design and installation of a distribution sys- tem and reduce installation costs. This is particularly true where a distributing valve assem- bly is used instead of multiple pumps and/or electrically operated valves. Additionally, a reduction in long terra operation and maintenance costs is realized due to a reduced size and/or number of pumps. More even distribution can be achieved on sloping sites by zoning laterals at equal elevations. This eliminates drainback to lower lines and the unequal distrib- ution of effluent that occurs at the beginning of a cycle. Valve Operation The valve itself has only a few moving parts, requires no electricity, and alternates automati- cally each cycle. Refer to Figure 1 for the following valve operation description. The flow of the incoming effluent forces the rubber flap disk O to seat against the valve bottom 4. The opening © in the rubber flap disk aligns with an opening in the valve bottom to allow flow to only one valve outlet. The stem O houses a stainless steel spring which pushes the rubber flap disk away from the valve bottom after the flow of effluent stops. The stem acts as a cam follower and rotates the rubber flap disk as the stem is raised and lowered through the cam ®. The force from the flow of effluent pushes the stem down through the cam and the stainless steel spring pushes the stem back up through the cam when the flow of effluent stops. Each linear motion of the stem allows the rubber flap disk to rotate half the distance necessary to reach the next outlet. When there is no flow, the rubber flap disk is in the "up" position and is not seated against the valve bottom. Figure 1: 6000 Series Valve NTP -VA -1 Rev. 1.2, ©11/03 Orenco Systems', Inc. Page 1 of 6 Figure 2: Orenco Distributing Valve Assembly (6000 Series Valve) The Distributing Valve Assembly The Orenco Automatic Distributing Valve Assembly combines the distributing valve itself and sever- al other components to give a complete preassembled unit that is easy to install, monitor, and main- tain. Figure 2 shows a complete assembly. Because distributing valves with several outlets can be difficult to line up and glue together in the field, the discharge lines in the assemblies are glued in place at Orenco. The unions (1) allow removal and maintenance of the valve. The clear PVC pipe sections (2) give a visual check of which discharge line is being pressurized. The inlet ball valve (3) allows a quick, simple method to test for proper valve cycling. The ball valve also stops the flow of effluent in case the pump is activated unexpectedly during maintenance or inspection. Check valves may be necessary on the discharge lines. Use of check valves is discussed in the valve positioning section. Valve Assembly Hydraulics Liquid flowing through the valve assembly must pass through fairly small openings and make several changes in direction. Because of this, headlosses through the valve assembly are fairly high. Table 1 gives the headloss equations for several different assemblies and Figure 3 shows the graphical repre- sentations of these equations. Orenco recommends that high -head turbine pumps be used to pressur- ize the valve assemblies to ensure enough head is available for proper system operation. High -head turbine pumps are also recommended because the use of a distributing valve usually requires more frequent pump cycling. The high -head turbine pumps are designed for high cycling systems and will outlast conventional effluent pumps by a factor of 10 or more in a high cycling mode. Furthermore, the high -head turbine pump intake is 12 inches or more above the bottom of the pump and tends to prevent any settled solids from being pumped into the distribution valve and obstructing its opera- tion. A minimum flow rate through the distributing valve is required to ensure proper seating of the rubber flap disk. Minimum flow rates for the various models are given in Table 1. NTP -VA -1 Rev. 1.2, ©11/03 Orenco Systems', Inc. Page 2 of 6 Table 1. Automatic Distributing Valve Assembly Headloss Equations Model Series FMation Operating Range(gpm) V4400A HL = 0.085 x Q1.45 10-40 V4600A HL = 0.085 x Q1.58 10-25 V6400A HL = 0.0045 x Q2 + 3.5 x (1- CO -06Q) 15-70 V6600A HL = 0.0049 x Q2 + 5.5 x (1- CO -1Q) 15-70 35 30 E 25 Q 20 s� 0 15 C- 10 0 J 5 a� 0 V6600A 00000 00000— V4400A V6400A V4600A 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 Flow (gpm) Figure 3: Automatic distributing valve assembly headloss curves The Pumping System Although the distributing valve was designed for the irrigation industry, it has started to gain fairly wide acceptance in the effluent pumping industry. However, because of the mechanical movements of the valve, it is necessary to take steps to prevent solids from reaching the distributing valve that may impede the operation of the valve. Orenco Biotube® Pump Vaults — when properly sized and installed — provide the necessary protection to prevent valve malfunction. The Biotube® pump vault accepts effluent only from the clear zone between a tank's scum and sludge layers and then filters this effluent through a very large surface area screen cartridge. Without this protection in effluent systems, the valve has very little chance of reliable long-term operation. NTP -VA -1 Rev. 1.2, © 11/03 Orenco Systems-, Inc. Page 3 of 6 Valve Positioning The physical position of the valve in relation to the pump and the discharge point is very important for proper valve operation. The most reliable operation occurs when the valve is placed at the high point in the system and as close to the pump as possible. The transport line between the pump and valve should be kept full if possible. If the line is empty at the beginning of each cycle, pockets of air during filling can cause random rotation of the valve. The valve is particularly vulnerable to this erratic rotation with empty lines that are long and not laid at a constant grade. An ideal valve loca- tion is shown in Figure 4. If the final discharge point is more than about 2 feet above the valve and the system does not drain back into the dosing tank, check valves should be installed on the lines immediately following the valve and a pressure release hole or line should be installed just prior to the valve. This pressure release hole or line can go into a return line to the dosing tank or to a "minidrainfreld" near the valve. In order for the valve to rotate reliably, no more than about 2 feet of head should remain against the valve to allow the tubber flap disk to return to its up position. In many cases, it may take from one minute to several minutes for the pressure in the valve to be lowered enough for proper rotation to occur. Special care should be taken when installing systems controlled by programmable timers to ensure cycling does not occur too rapidly. Figure 5 illustrates a valve assembly using check valves. Pumping downhill to the valve should be avoided unless the transport line is very short and the ele- vation between the discharge line out of the tank and the valve is less than about 2 feet. If the valve is located many feet below the dosing tank, random cycling may occur while the transport line drains through the valve at the end of the cycle. A pressure sustaining valve located just before the distrib- uting valve may overcome this problem in some instances. Transport Line Dosing Tank Figure 4: Ideal valve location Distributing Valve Assembly Discharge NTP -VA -1 Rev. 1.2, © 11/03 Orenco Systems, Inc. Page 4 of 6 System Startup Refer to the Hydrotek Valve booklet that is provided with the distributing valve assembly for the sequencing of the valve outlets. The transport line should always be flushed with clean water before installing the valve. Any sand, gravel, or other foreign objects that may have been in the pipe during installation can easily become lodged in the distributing valve, causing malfunction. With the pump running, alternately close and open the ball valve on the distributing valve assembly to check proper rotation of the valve. (Note: If check valves are used on the lines after the distribut- ing valve, the pump may need to be turned on and off to allow the pressure to be released from the valve.) If visual operation of which zone is operating is not possible, watch the clear pipe on each line for indication of which zone is operating. Figure 5: Valve assembly below final discharge point Maintenance Annually check for proper operation by following procedures listed in the Hydrotek Valve booklet and system startup procedures listed above. Troubleshooting 1. PROBLEM: Valve does not change or cycle to next zone or outlet CAUSE: The stem and disk assembly is not rotating when water flow is turned off and then back on. SOLUTION 1: Ensure that there is no debris inside the cam. Clean and carefully reinstall the cam. SOLUTION 2: If fewer than the maximum number of outlets are being used, check the installation of the cam. Ensure that the stem and disk assembly is not being held down by an improperly installed cam. Refer to the cam replacement instructions. NTP -VA -1 Rev. 1.2, © 11/03 Orenco Systems', Inc. Page 5 of 6 SOLUTION 3: Remove the valve top and check for proper movement of stem and disk assembly. Check for and remove any debris or foreign objects that may jam or retard the movement of the disk. SOLUTION 4: Check for freedom of movement of stem and disk assembly up and down over the center pin in bottom of valve. Scale deposits may build up on the pin and hold stem and disk assembly down. Clean pin and again check for freedom of movement. SOLUTION 5: Be sure that all operating outlets are not capped and that the flow to operating zones is not restricted in any manner. This would cause pressure to build up in the valve and lock the stem and disk assembly in the down position. SOLUTION 6: The backflow of water from uphill lines may be preventing the valve from cycling properly. This can happen when the valve is placed too far below an elevated line. If the valve cannot be placed close to the high point of the system, a check valve should be installed near the valve in the outlet line that runs uphill from the valve and a drain line installed just prior to the valve to relieve the pressure. 2. PROBLEM: Water comes out of all the valve outlets CAUSE: Stem and disk assembly not seating properly on valve outlet. SOLUTION 1: Check for sufficient water flow. A minimum flow rate is required to properly seat the disk as shown in Table 1. SOLUTION 2: Remove the valve top and check the inside walls to ensure that nothing is interfering with the up and down movement of the stem and disk assembly inside the valve. SOLUTION 3: Make sure that the operating outlets are not capped and that the flow to the operat- ing zones are not restricted in any manner. 3. PROBLEM: Valve skips outlets or zones CAUSE: Pumping into an empty transport line especially downhill may cause the valve to skip outlets from pockets of air allowing the rubber flap disk to raise during a cycle. SOLUTION 1: Keep the transport line full. SOLUTION 2: If the line must remain empty between cycles, use a larger diameter transport line laid at a constant grade to prevent air pockets from forming. CAUSE: The stem and disk assembly is being advanced past the desired outlet. SOLUTION 1: Ensure that the correct cam for the desired number of zones is installed and that the outlet lines are installed to the correct outlet ports of the valve as indicated by the zone numbers on the top of the cam. NTP -VA -1 Rev. 1.2, © 11/03 Orenco Systems', Inc. Page 6 of 6 T,I U Wi 9 , Automatic Distributing Valve Assemblies are used to pressurize multiple zone distribution systems including textile filters, sand filters and drainfields. CIE Bottom View Materials of Construction All Fittings: Unions: Ball Valve: Clear Pipe: V4XXX Distributing Valves: V6XXX Distributing Valves: Side View OWN ONMKO Submittal ce Data Sheet orenco Systems' Incorporated 1-800-349-9843 Orenco's Automatic Distributing Valve Assemblies are mechanically operated and sequentially redirect the pump's flow to multiple zones or cells in a distribution field. Valve actuation is accomplished by a combination of pressure and flow. Automatic Distributing Valve Assemblies allow the use of smaller horsepower pumps on large sand filters and drainfields. For example, a large community drainfield requiring 300 gpm can use a six -line Valve Assembly to reduce the pump flow rate requirement to only 50 gpm. Orenco only warrants Automatic Distributing Valves when used in conjunction with High -Head Effluent Pumps with Biotube' Pump Vaults to provide pressure and flow requirements, and to prevent debris from fouling valve operation, An inlet ball valve and a section of clear pipe and union for each outlet are provided for a complete assembly that is easy to maintain and monitor. Ideal valve location is at the high point in the system. Refer to Automatic Distributing Valve Assemblies (NTP -VA -1) for more information. Standard Models V4402A, V4403A, V4404A, V4605A, V4606A, V6402A, V6403A, V6404A, V6605A,V6606A, Nomenclature V❑❑❑❑A Tndicates assembly __TNumber of active outlets Model series: 44 = 4400 series (2-4 outlets) 46 = 4600 series (5-6 outlets) 64 = 6400 series (2-4 outlets) 66 = 6600 series (5-6 outlets) 'Distributing valve Sch. 40 PVC per ASTM specification Sch. 80 PVC per ASTM specification Sch. 40 PVC per ASTM specification Sch, 40 PVC per ASTM specification High-strength noncorrosive ABS polymer and stainless steel High-strength noncorrosive ABS polymer, stainless steel, and die cast metal NSU -SF -VA -1 Rev. 3.0, © 4/03 Page 1 of 2 t 35 30 V6600A 25 .� 20 a1� V4400A fJ- V6400A ® 15 V4600A y 10 5 0 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 Flow (gpm) Model Inlet Size (in.) Outlets Size (in.) Flow range (gpm) Max Head (ft) Min. 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Primary Co act Person/Applikant (if not owner): , Company: � Ic . r I . UNk L U1► I ContactlApplicant Mailing Address: City, State, Trp: Cell Phone: G� U Business Phone: Fax Number. Email Address: Building Permit # (if applicable): Lot Size (in acres): t 0 • S Gt s Size of Building (square feet): Number of Potential Bedrooms: Detached Accessory Unit? ❑ YES [� NO Size of Accessory Unit (square feet): Number of Potential Bedrooms In or Fixture List for the Accessory Unit: Water Source: ❑ PRIVATE WELL ❑ SURFACE WATER ❑ SPRING COMMUNITY/PUBLIC WATER SYSTEM Name of Community/Public Water. Syst m (If applicable); �! Engineering Firm: Job Number: Phone Number. Fax Number. Mailing Address: n City, ate, Zip: c � 11 i_ t.i� � 1 . 6 A Ic Z. PLEASE READ BEFORE SIGNING: I certify that the above information Is complete and accurate and that I have provided complete and accurate information In all of the documents included in my application package. I acknowledge that EHINR may revoke any permit I am Issued if my application is found to contain any inaccurate, false, or misleading information. I understand that no construction may be undertaken on an OWTS until an OWTS Construction Permit is Issued. Automatic Distributing Valve Assemblies are used to pressurize multiple zone distribution systems including textile filters, sand filters and drainfields. cle Bottom View Materials of Construction Side View Submittal Data Sheet ®renco systems® Incorporated 1-800-348-9843 R== Orenco's Automatic Distributing Valve Assemblies are mechanically operated and sequentially redirect the pump's flow to multiple zones or cells in a distribution field. Valve actuation is accomplished by a combination of pressure and flow. Automatic Distributing Valve Assemblies allow the use of smaller horsepower pumps on large sand filters and drainfields. For example, a large community drainfield requiring 300 gpm can use a six -line Valve Assembly to reduce the pump flow rate requirement to only 50 gpm. Orenco only warrants Automatic Distributing Valves when used in conjunction with High -Head Effluent Pumps with Biotube® Pump Vaults to provide pressure and flow requirements, and to prevent debris from fouling valve operation. An inlet ball valve and a section of clear pipe and union for each outlet are provided for a complete assembly that is easy to maintain and monitor. Ideal valve location is at the high point in the system. Refer to Automatic Distributing Valve Assemblies (NTP -VA -1) for more information. Standard Models V4402A, V4403A, V4404A, V4605A, V4606A, V6402A, V6403A, V6404A, V6605A, V6606A. Nomenclature V0000A --IT Indicates assembly Number of active outlets Model series: 44 = 4400 series (2-4 outlets) 46 = 4600 series (5-6 outlets) 64 = 6400 series (2-4 outlets) 66 = 6600 series (5-6 outlets) ' Distributing valve All Fittings: Sch. 40 PVC per ASTM specification Unions: Sch. 80 PUC per ASTM specification Ball Valve: Sch. 40 PVC per ASTM specification Clear Pipe: Sch. 40 PVC per ASTM specification V4XXX Distributing Valves: High-strength noncorrosive ABS polymer and stainless steel VWX Distributing Valves: High-strength noncorrosive ABS polymer, stainless steel, and die cast metal NSU -SF -VA -1 Rev. 3.0, © 4103 Page 1 of 2 35 7;- V6600A 30 E 25 20 V4400A V6400A 15 V4 ODA rm vi 10 0 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 Flow (gpm) Model Inlet Size (in.) Outlets Size (in.) Flow range (gpm) Max Head (ft) Min. Enclosure V4402A 1.25 1.25 10-40 170 VB1217 V4403A 1.25 1.25 10-40 170 VB1217 V4404A 1.25 1.25 10-40 170 VB1217 V4605A 1.25 1.25 10-25 170 RR2418 V4606A 1.25 1.25 10-25 170 RR2418 V6402A 1.5 1.5 15-100 345 RR2418 V6403A 1.5 1.5 15-100 345 RR2418 V6404A 1.5 1.5 15-100 345 RR2418 V6605A 1.5 1.5 15-100 345 RR2418 V6606A 1.5 1.5 15-100 345 RR2418 NSU -SF -VA -1 Rev. 3.0, @ 4/03 Page 2 of 2 RECEPTION: 618407, 03/24/2015 at 09:06:21 AIN, 1 OF 6, R $0.00 Doc Cotte ADMIN DECISION Janice K. Vos Caudill, Pitkin County, CO ADMINISTRATIVE DECISION OF THE COMMUNITY DEVELOPMENT DIRECTOR OF PITKIN COUNTY, COLORADO, APPROVING THE, DANIEL AND KATHLEEN TAYLOR SITE PLAN REVIEW AND GMQS EXEMPTION Administrative Decision No. P-2015 RECITALS 1) Daniel and Kathleen Taylor (hereafter "Applicant") have applied to the Community Development Director of Pitkin County (hereafter 'Director") to obtain Site Plan review approval to remodel and expand the existing single-family residence. One TDR will be utilized for 2,500 square feet of additional floor area. 2) The property is located at 1130 Cluny Road, and is described as Lot 10, East Owl Creek PUD. 3) The lot contains 10.802 acres, and is a conforming size lot in the AR -10 zone district. 4) The Board of County Commissioners ("BOCC") approved the East Owl Creek PUD, pursuant to Resolution Nos. 88-131 and 89-55; the final plat was recorded in Plat Book 22 at Page 82. 5) The existing single family residence was constructed in 1994, and contains approximately 9,295 square feet of floor area. 6) The Director finds that the request complies with the applicable provisions of the Land Use Code ("Code"), as follows: A) The lot is in a subdivision within the Rural Area approved by the Board of County Commissioners prior to June 19, 2000 and the existing residence is exempt from growth management for up to the existing floor area (which exceeds 5,750 square feet of floor area), pursuant to Secs. 6-30-100(b) and 6-30-110(c) of the Code. B) The lot is in a subdivision within the Rural Area where use of one TDR to develop 2,500 square feet of additional floor area is permitted without special review, pursuant to Sec. 6-30-50(b)(2) of the Code. C) The proposed addition is within the Building Envelope shown on the Final Plat. Additional activity envelopes are proposed to encompass the new driveway spur and the expanded on-site wastewater treatment system ("OWTS"). D) The wildfire hazard is rated as low, and can be mitigated pursuant to the provisions of Sec. 7-20- 60(c) of the Code. E) The activity envelopes for the driveway and OWTS contain slopes of less than 30%, where development is permitted by Sec. 70-20-20(d) of the Code. F) According to Colorado Parks and Wildlife, the addition to the residence should not have any significant impact to wildlife. G) The lot is not within the 100 year floodplain or within 100' of a river or stream. H) The lot is within the mapped Scenic View Protection Area; however, the existing residence and the proposed addition are not visible from Owl Creek Road. I) There are approximately 590 caliper inches of aspen trees with 6 inches or more of diameter at breast height ("DBH") on the lot that will be removed and for which mitigation is required. J) The realignment of the driveway to the new garage will occur within the lot boundary and will not affect the existing access to Cluny Road. Administrative Decision No. a-2015 Page 2 K) The lot is within the corporate boundaries of the Buttermilk Metro District and the existing residence is served with water by the District. L) A new on-site wastewater treatment system will be constructed to serve the addition. APPROVED by the Director, subject to the following conditions, which shall run with the land and be binding on all successors in interest: 1. The Applicant shall adhere to all material representations made in the application and shall consider those representations to be conditions of approval, unless amended by other conditions. 2. The conditions of prior approvals shall remain in full force and effect, except as amended herein. Prior to submission of any future building permit applications, the Applicant shall be required to submit for approval by the County Attorney and Community Development a Site Plan with an Activity Envelope in accordance with Land Use Code Section 2-30-20(g) and Application Manual Sections 2.1.12 and 2.6.3. The above referenced approvals shall be a condition precedent to finalization and recordation of them. The Site Plan shall be amended to designate a driveway envelope and an OWTS envelope. 4. The lot is exempt from the Growth Management up to the existing, legally created floor area, which is estimated to be 9,295 square feet (to be verified by the Zoning Officer at building permit application). To develop an additional 2,500 square feet of floor area, the Applicant shall surrender one TDR Certificate at building permit application and a copy of the deed(s) evidencing the Applicant's acquisition of the Certificate. S. With the building permit application for the residence, the Applicant shall submit: A. A drainage and erosion control plan for review and approval by the Planning Engineer. If the development disturbs one (1) acre or more, the Applicant shall apply for and obtain a State Stormwater Permit. All historic and natural drainage patterns shall be maintained. Stormwater shall be detained onsite and allow infiltration of runoff prior to discharge. B. A large scale construction management plan for review and approval by the Planning Engineer. C. A fireplace/woodstove registration form with the Community Development Department, if necessary. D. A tree mitigation plan. There are approximately 590 caliper inches of aspen trees with 6 inches or more of DBH on the lot that will be removed and for which mitigation is required. E. A landscape planting plan and detailed revegetation plan for disturbed areas with appropriate seed mixes. F. An outdoor lighting plan. 6. Prior to issuance of a building permit for the residence, the Applicant shall: A. Obtain an on-site wastewater treatment system permit from the Environmental Health and Natural Resources Department to serve the addition. B. Pay the applicable road and employee housing impact fees. C. Obtain a County access/driveway permit for the extension of the driveway. Stamped engineered drawings demonstrating compliance with the applicable standards of the Asset Management Plan shall be submitted with the permit application. The pen -nit shall be reviewed and approved by the Planning Engineer and the Aspen Fire Protection District. Administrative Decision No. a-2015 Page 3 7. Prior to actual water deliveries to the addition by the Buttermilk Metro District, the Applicant shall: (1) complete a new water service application; (2) pay all appropriate fees and charges to the District; (3) schedule and complete an inspection of the District's approved electronic water meter; (4) arrange for an inspection of the residence's backflow prevention device; (5) agree to comply with all rules and regulations of the District; and (6) receive a final authorization for water service from the District. 8. Areas disturbed by construction shall be re -vegetated within one growing season of the project's completion. No development in excess of 30" above or below natural grade shall occur within the setbacks of the lot, with the exception of driveways and associated retaining walls of up to 6' above or below natural grade and fencing. Landscaping in the form of berms within the setbacks shall not exceed four feet from the most restrictive grade. Any development located within setbacks mandated by County zoning regulations that does not comply with these restrictions shall require a variance from the Board of Adjustment. Approval of an activity envelope within such setbacks does not assure approval of a variance. 10. Retaining walls greater than 4 feet in height shall be supported by appropriate engineering. 11. The Applicant shall comply with the applicable codes and requirements of the Aspen Fire Protection District, including but not limited to access, turning around of fire apparatus and water supply. In all buildings, the Applicant shall install an automatic fire suppression system that shall be approved by the Fire Marshal. 12. The Applicant shall comply with the following conditions regarding wildlife: A. Manipulation of vegetation outside of the activity envelope is prohibited, except as necessary to comply with the wildfire hazard mitigation measures. B. Dogs shall be kenneled within 50' of the residential buildings or leashed under human supervision when outside a required kennel. C. Fruit bearing trees and shnubs are prohibited. D. Trash/garbage shall be kept in an approved bear resistant container or enclosure as required by the County's Wildlife Protection Ordinance. E. Construction workers are prohibited from bringing dogs on-site. F. All outside doors shall utilize only solid round handled door knobs unless another type is required by the applicable building code for disabled accessibility purposes. G. Bird feeders, including hummingbird feeders, shall be hung away from any deck or window, and shall be at least 10' from the ground suspended between 2 trees or posts. All seed feeders shall include a seed catchment pan to catch discarded seeds. Bird feeders should be removed from April through November. H. Composting shall be restricted to yard waste. I. Fencing shall comply with the following, except for fencing immediately adjacent to the buildings to contain pets or livestock: 1) Wood fencing shall employ three rails or less, be the round or split rail type, shall not exceed 48 inches in height above ground level and 12 inches in width (top view), and shall have at least 18 inches between two of the rails. 2) Wire fencing shall consist of no more than 3 strands of smooth wire and shall not exceed 42 inches in height. AdminisiratNe Decision No. R -2015 Page 4 3) Mesh or woven wire fences are prohibited, except when used for protection around isolated trees or clumps of trees. 13. The Applicant shall comply with the following landscaping and wildfire defensible space mitigation standards: A. Defensible Space: The area around all buildings/structures, limited by property boundaries that may limit a property owner's ability to comply with this section, shall incorporate landscaping with wildfire defensible space considerations as follows (note: actual vegetation manipulation to meet these conditions may not be necessary where the natural vegetation patterns have already fulfilled these conditions): 1) Brush, debris, and non -ornamental vegetation shall be removed within a minimum 10 foot perimeter around the stricture. 2) Vegetation shall be reduced to break up the vertical and horizontal continuity of the Riels a minimum of a 30 foot perimeter around the structure. 3) Spacing between clumps of brush and vegetation within the 30 foot perimeters shall be a minimum of two times the height of the fuel. Maximum diameter of the clumps shall not exceed 10 feet. All measurements shall be from the edges of the crowns of the fuel. 4) All branches from trees and brush within the 30 foot perimeter shall be pruned to a height of 10 feet above the ground and ladder fuels from around trees and brush shall be removed. 5) Tree crown separation within the 30 foot perimeters shall have a minimum of 10 feet between the edges of the crowns. 6) All branches which extend over the roof eaves shall be trimmed and all branches within 15 feet of the chimneys shall be removed. 7) The density of fuels within a 100 foot perimeter of the structures shall be reduced. 8) All deadfall up to a 100 foot perimeter shall be removed. 9) No new conifer trees shall be planted within 10 feet of a residence. 10) No flammable mulches shall be placed within two feet of a residence. 1 1) The applicant shall be responsible for the continued maintenance of the defensible space vegetation requirements. B. Roofing Materials: Roofs shall be constructed with a Class A roof covering or a Class A assembly as defined in the building code. Wood shake/shingle roof coverings are prohibited. Roofs with less than a 3:12 pitch are not permitted unless they comply with the following: 1) All roof coverings shall be constructed of non-combustible materials and installed on a Class A roof assembly. 2) All roof coverings shall have a surface that shall facilitate the natural process of clearing the roof. 3) All roof designs shall facilitate the natural process of clearing debris. Protrusions above the roofline, such as parapets, shall be prohibited. 4) Roofs shall be installed as required by the approved building code and shall have a minimum slope of 1:48. 5) All roof designs, coverings or equivalent assemblies shall be specifically approved by the Fire Marshal prior to submittal of a building permit application. C. Additional wildfire mitigation standards: 1) Roof vents shall be screened with corrosive resistant wire mesh with mesh %4 inch maximum. Administrative Decision No. P-2015 Page 5 2) Roofs and gutters shall be kept clear of debris. 3) Yards shall be kept clear of all litter, slash, and flammable debris. 4) All flammable materials and firewood/wood piles shall be stored on a parallel contour a minimum of 15 feet away from any structure. 5) Swimming pools or ponds shall be accessible to Fire Department vehicles, if required. 6) Fences shall be kept clear of brush and debris. 7) Wood fences shall not connect to the structure. 8) Fuel tanks shall be installed underground with an approved container. 9) Propane tanks shall be installed according to NFPA 48 standards and on a contour away from the structure with standard defensible space vegetation mitigation around any above -ground tank. Any wood enclosure around the tank shall be constructed with materials approved for 2 hour fire -resistive construction on the exterior side of the walls. 10) Each structure shall have a minimum of one 10 pound approved ABC fire extinguisher placed in a visible and accessible location. 11) Addresses shall be clearly marked with 2 inch non-combustible letters and shall be visible and installed on a non-combustible post. 12) New utility lines shall be buried within the driveway. 14. No development shall occur outside of the approved activity envelope, with the exceptions of weed management efforts and vegetation removal necessary to comply with the wildfire mitigation measures described above. 15. Prior to commencement of any earthmoving or other construction activity, the Applicant shall stake the corners of the activity envelope and install construction fencing around the construction site within the perimeter of the envelope. The fencing shall remain in place until issuance of a Certificate of Occupancy. 16. No calculations for height, bulk, setbacks, size, floor area, or any other building and zoning requirements have been conducted. These requirements will be considered at the time of building permit. Any structures represented in the application may not be permitted under building and zoning regulations. 17. Failure to comply with the conditions of this approval may result in revocation of this approval, or any subsequent permit(s) or approval(s) related to this property, or vested rights associated with this property. 18. Statutory vested rights for the approval contained herein are granted pursuant to the Pitkin County Land Use Code and Colorado Statutes, subject to the exceptions set forth in Pitkin County Land Use Code, § 2-20-170 and C.R.S., § 24-68-105. The statutory vested rights granted herein shall expire on r tU ; ('__p ao, 2018. Administrative Decision No. 14 -2015 Page 6 NOTICE OF PUBLIC HEARING PUBLISHED IN THE ASPEN TIMES WEEKLY on the 8rh day of January, 2015. APPROVED by the Director, this;K,�)t-day of , 2015. PUBLISHED AFTER ADOPTION FOR VESTED REAL PROPERTY RIGHTS in the Aspen Times Weekly on the rj day ofnkon i , 2015. µ etc+ C. Cin y ouben, Community Development Director PID4273504401010 Pl I t-14 To: Suzanne Wolff From: Kurt Dahl, Environmental Health Department Date: February 12, 2014 Re: Taylor Site Plan Review (PID 2735-044-01-010; Case P111-14) SUMMARY OF RELEVANT PARTS OF APPLICATION: The applicant is proposing an addition, remodel and realignment of the driveway DISCUSSION: The Pitkin County Environmental Health Department has reviewed the details of the Taylor site plan review application under the authority of the Pitkin County Land Use Code and the Pitkin County Onsite Wastewater Treatment System (OWTS) Regulation and has the following comments. --- WATER SUPPLY: Drinking water will be supplied by the Buttermilk Metropolitan District. --- SEWAGE TREATMENT AND COLLECTION: The existing residence is served by separate black water and grey water systems and is designed for only 3 bedrooms. Both systems appear to be located behind the residence and the addition and driveway relocation will not impact them. The applicant has indicated a new OWTS will be designed for the remodel/addition so both existing systems can be abandoned "in-place" if the applicant desires. The new OWTS must be approved and permitted by the Environmental Health Department prior to issuance of the building permit. The application indicates a bunk room will be included in the addition. Please note that a bunk room is not considered a single bedroom and the OWTS sizing will need to include the number of persons the bunkroom will sleep. Printed - Re yded Npe,