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HomeMy WebLinkAboutOWTS Construction Approval LetterCIVIL ENGINEERING LAND SURVEYING To: From: Date: Project: Subject: MEMORANDUM Garfield County Building Division of the Community Development Department Andy Schwaller, Chief Building Official Matt Provost, Inspector Roger Neal, P.E. January 19, 2017 2161022.00 -Lot 5, Roaring Fork Preserve -06 Silver Spruce Drive, Carbondale OWTS Construction Approval Letter BLRE-03-16-4091 The proposed OWTS field design for Lot 5, Roaring Fork Preserve in Garfield County, Colorado has been installed per the approved and pennitted plans (Pennit Number BLRE 03-16-4091 ). The installation contractor was Hughes Excavating, Hughes Excavating Company P.O. Box 606, Carbondale, CO 81623 The chambers were trenched down to the tested soil elevation and installed on native material that was reviewed prior to the chambers being installed. The soils were consistent through the chamber trenches as per what was described within the geotechnical report prepared by HP Geotech, Inc. Job No. 100627, dated 11-30-2000. The fields are located in their general area of design and have proper separation from trench to trench. The fields are equal to the required 41 units shown on the approved plans. The chamber 2" pipes were run through the upper ports on the end caps and through the chambers with the piping being attached to the top of the chambers per dosing requirements. The ports that were installed were brought to above grade as required per photos. The septic tank meets sizing requirements and pump requirements per the design and has an inlet drop per design. The internal dosing pump was reviewed by Hughes Excavating Company, the installer of the pump and tank system, and has been approved as functioning per design (letter is attached). The tank lids have been raised to the proper elevation above grade and backfilling of the trench and septic tank dig have been completed. Attached are photos of the installation. Please let me know if you have questions pertaining to this acceptance letter submittal. Thank you, High Country Engineering, Inc. 7/1~ Roger Neal, P.E. 1517 Blake Avenue, Suite IOI Glenwood Springs, CO 81601 970-945-8676 •phone 970-945-2555 • fax www.hceng.com Trench and Dosing Pipe 1517 Blake Avenue, Suite 101 Glenwood Springs, CO 81601 970-945-8676 •phone 970-945-2555 • fax www.hceng.com Septic Tank, Electric Line and Insulation over discharge pipe. 1517 Blake Avenue, Suite IOI Glenwood Springs, CO 81601 970-945-8676 •phone 970-945-2555 • fax www.hceng.com Tank in relation to house 1517 Blake Avenu e, Suite 101 Glenwood Springs, CO 81601 970-945-8676 •phone 970-945-2555 • fax www.hceng .com 4 Trenches 1517 Blake Avenue, Suite 101 Glenwood Springs, CO 81601 970-945-8676 •phone 970-945-2555 • fax www.hceng.com Manifold and insulation 1517 Blake Avenue, Suite 101 Glenwood Springs, CO 81601 970-945-8676 •phone 970-945-2555 • fax www.hceng.com Finish Field Location 1517 Blake Avenue, Suite IOI Glenwood Springs, CO 81601 970-945-8676 •phone 970-945-2555 • fax www.hccng.com SEPTIC TANK PUMPS ANO HIGH LEVEL ALARM Control Panel in House 1517 Blake Avenue, Suite IOI Glenwood Springs, CO 81601 970-945-8676 •phone 970-945-2555 • fax www.hceng .com