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Home My WebLink About20033342 ® . CALPINE Cma Rocky Mountain Energy Center 6211 WELD COUNTY ROAD 51 _ U KEENESBURG CO 80643 303.536.2500 303.536.0606 (FAX) November 24,2003 Ms.Monica Daniels-Mika Department of Planning Services Weld County 1555 N. 17th Avenue Greeley,Colorado 80631 Subject Rocky Mountain Energy Center Septic System Compliance—USR Permit#1339 Dear Ms.Daniels-Mika, In accordance with the Resolution pertaining to Use by Special Review Permit No. 1339 for the Rocky Mountain Energy Center(RMEC), Sections 4.B and 4.C.,please note that RMEC has designed, permitted and installed an Individual Septic Disposal System for the Administration Building at the RMEC site. The Septic system at RMEC meets the requirements of Weld County Code 30 and was permitted accordingly. The Septic system was designed by our engineering firm, registered in the State of Colorado, and installed in accordance with the design drawings. Please find attached letter from Utility Engineering regarding the Septic system. In addition,please find attached a copy of the permit issued by Weld County on October 31,2003 For any questions,please contact me at(303)536-2518. Sincerely, Rocky Mountain Energy Center a j.4., .ri,„________________ Gary M.Aron,PE Plant Engineer Cc: Larry Vondrak Andrew Whittome Elizabeth Mitchell RMEC Project File Attachments / • CALPINE Cw9LARRY VONDRAK RE. PROJECT MANAGER ■ ROCKY MOUNTAIN ENERGY CENTER 6211 WELD COUNTY ROAD 51 KEENESBURG,COLORADO 80643 303.536.2525(DIREC.r) 916.996.3387(CELL) 303.536.0606(FAx) - at-P.11)(4'. lvondrak@rrlpiae.com n/ (�Yu - /n/ 2003-3342 /a-g-aoo3 PL/52-2 2 UTILITY ENGINEERING Park Central, 1515 Arnpaboe Street, Tower 1,Suite 800,Denver, CO 80202 303.928.4400• Fax 303.928.4368• Web:wvtoue-corp.mn October 21,2003 UE/010208.001-1145 Weld County Department of Public Health&Environment 1555 N. 17th Ave. Greeley, CO 80631 Subject: Certification of Installation of Individual Sewage Disposal System for the Administration Building at RMEC. To Whom it Concerns: This letter is to certify that the Rocky Mountain Energy Center administration building individual sewage disposal system has been installed as per engineered design and specifications. Inspections were performed throughout the installation process to ensure this. Sincerely, sLF �jL L 11- � L. I vv r r crew • 'rySl 1` w• %• ' Frank Roberts W _ • Engineer, Civil/Structural = a` r �. ' dsbNAL F Iil FR/db John rag,P.E. Enclosure cc: Randy Larson Howard Noble Bob Gresham—/File Larry Vondrak oe_I1ed.doc 11-24-2CW Cli WELD COUNTY DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT 1555 NORTH 17TH AVENUE GREELEY,CO 80631 PHONE(970)304-6415 FAX(970)304-6411 Permit#: SP-0300057 Sec/ ven/Rng:31 02 64 Status: ISSUED Owner. ROCKY MOUNTAIN ENERGY CENTER LLC Applied: 02/14/2003 Applicant: GILLMAN MARI issued: 07/25/2003 Permit Type: CNEW e-coo.nersl,R-Residential+NEW,Reeve,VauLT Finaled: Parcel#: 1305-31-0-00-025 Location: 6211 CR 51 KEENESBURG 31-02-64 Legal Description: 8717 ALL 31 264 EXC BEGAT NE COR OF SE C THENCE S2752.65'W Installer. Description: OFFICE Commercial: Y Residential:N Acres: 544 #of Persons: 19 Basement Plumbing: #of Bedrooms: 0 Bathrooms-Full: 0 3/4: 0 1/2: 2 Water Public: N Water Source: • Water Private: Y Cistern: N Well: Y Well Permit#: 057826F Percolation Rate: 120 Limiting Zone: 0 ft 0 in Description: CLAY %Ground Slope: 0 Dir. Soil Suitable: (Y/N) N Engineer Design Required: (Y/N) Y In 100 Year Flood Plain: (Y/N) N Minimum Installation Chambers Septic Tank: 1500 gallons Absorption Trench: 0 square feet or Absorption Bed: 1225 square feet Actual Installation Septic Tank: 150o gallons Absorption Trench: square feet Absorption Bed: 1,995 square feet Design Type: 0.�4 . NOTICE The issuance of this permit does not imply compliance with other state,county or local regulatory or building requirements,nor shall it act to certify that the subject system will operate in compliance with applicable state,county and local regulations adopted pennant to Article 10,Title 25,CRS as amended,except for the purpose of establishing final approval of installed system for issuance of a local occupancy permit pennant to CRS 1973 25-10-111(2). This teuSt le non transferable and non refundable, The Weld County Department of Public Health and Environment reserves the right to impose additional ten and conditions required to meet our regulations on a continuing basis. Final permit approval was contingent upon the final inspection of the completed system by the Weld County Department of Public Health and Enviro®ent X . . ,� i/D, Health Specialist Farm:3_FnUL 11-24-2003 C CALPINE Rocky Mountain Energy Center 6211 WELD COUNTY ROAD 51 ■ KEENESBURG CO 80643 303 536 2500 303 536 0606 (FAX) November 24,2003 Ms.Monica Daniels-Mika Department of Planning Services Weld County 1555 N. 17th Avenue Greeley,Colorado 80631 Subject Rocky Mountain Energy Center Storm Water Drainage Report—USR Permit#1339 Dear Ms.Daniels-Mika, In accordance with the Resolution pertaining to Use by Special Review Permit No. 1339 for the Rocky Mountain Energy Center(RMEC), Section 4.E.,please note that RMEC has designed and installed a retention facility to retain Stormwater runoff from the developed RMEC site from a one-hundred year storm. The drainage system from the retention basin is designed to release the retained water at a quantity and rate not to exceed the quantity and rate of a five-year storm falling on the equivalent undeveloped surface of the RMEC. The Stormwater system at RMEC meets the requirements of Weld County Code 23-2-240, Subsections 5.A and 5.B. The Stormwater system was designed by our engineering firm,registered in the State of Colorado,and installed in accordance with the design drawings. Please find attached letter from Utility Engineering regarding the Stormwater system. For any questions,please contact me at(303)536-2518. Sincerely, Rocky Mountain Energy Center Gary M.Aron,PE Plant Engineer Cc: Larry Vondrak Andrew Whittome Elizabeth Mitchell RMEC Project File Attachment a •- CALPINE : Rocky Mountain Energy Center 6211 WELD COUNTY ROAD 5 _ • KEENESBURG CO 80643 303 536 2500 303536.0606 (FAX) November 24,2003 Ms.Monica Daniels-Mika Department of Planning Services Weld County 1555 N. 17th Avenue Greeley,Colorado 80631 Subject Rocky Mountain Energy Center Floor Drain Compliance-USR Permit#1339 Dear Ms.Daniels-Mika, In accordance with the Resolution pertaining to Use by Special Review Permit No. 1339 for the Rocky Mountain Energy Center(RMEC), Section 4.A., pleace note that RMEC has no floor drains in the well field manifold building or the plant site that drain to ground. Our drainage system in the various process buildings at the power plant site all drain to sumps. These sumps are directed ultimately to the cooling tower basin or the waste collection pond. All water in the waste collection pond (which primarily receives cooling tower blowdown)is processed through the zero liquid discharge system. The well field manifold building has no floor drains. For any questions,please contact me at(303)536-2518. Sincerely, Rocky Mountain Energy Center j4b Gary M.Aron,PE Plant Engineer Cc: Larry Vondrak Andrew Whittome Elizabeth Mitchell RMEC Project File UTILITY ENGINEERING Park Cenera! 1515 Arapahoe Street, Tower 1,Suite 800,Denver, CO 80202 303.928.4400• Fax 303.928.4368• Web:www.re-corp.com November 24, 2003 UE/010208.001-1203 Mr. Larry Vondrak Rocky Mountain Energy Center 6211 Weld County Road 51 Keenesburg, CO 80643 Subject: Certification of Installation of Stormwater Retention Facility at the Rocky Mountain Energy Center. To Mr. Vondrak: This letter is to certify that a stormwater retention facility has been designed and installed conforming to the requirements of the Use by Special Review Permit No. 1339 for the Rocky Mountain Energy Center. The facility is designed to retain the full volume of a one-hundred year storm event. Discharge from the facility is designed to restrict volume to quantities less than the amount generated by a five year storm event. The facility meets the requirements of Weld County Code 23-2-240, Subsection 5.A and 5.B. Should further questions or comments remain, please advise at your earliest convenience. Sincerely, 1 ) n: n to John Keahey, P.E. • Engineer,Civil/Structura �: 'S AL bt�lll JK/db eatrarnll John Keahey, P.E. cc: Randy Larson Howard Noble Bob Gresham /File PYtALPINE1010208WnnnsNwadlWue__1203 doe ta_ } _ 1 mot•_.. �� . .r .. �G .,C. .. _ .. ..wen. ... �/ ii, ; ` .y .. la • .t. • v.+c rM#.ed-MK'R"•" +f^. A • .ri _-^ 4 ibi • 7. -- MPOMprittattritleic$060r 'tt; ' lY lk w ,,. C ., �R i. �. r.. �r ' ' S- �Ci---^ "r- ` _ ;wrap-'..• .�i .��-�� _ , j► b. , 1 tl 144, �� it - r .k' ••••,4f. L ♦ �_` k H r+ ...,. v ' • 555 K vs. a ■ Shot on November 2, 2003 cc Rocky Mountain Energy Center Colorado Sky-Shots (303) 571-5704 Hello