2002/01/24 - SANITARY - SAN - Other - 25425

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NELS D KOERPER Page 2 7/18/01 • The proposed pump settings have been adjusted provide a dose volume that is greater than 5 times the void volume and less than 20%of the design wastewater flow plus drain back. • The designer proposes to install a state approve outlet filter to achieve the requirement of wastewater particle size. Maintenance information must be given to the owner of the tank explaining that periodic cleaning of the septic tank outlet filter will be required. The outlet filter shall be installed per product approval stipulations. • The septic tank shall be serviced at least when the combined sludge and scum volume equals 1/3 of the tank volume per COMM 83.54(3)(b). • Holes must be drilled with sharp bit and all burrs and foreign matter removed before installation. • Abandon failing system per COMM 83.33. A copy of the approved plans,specifications and this letter shall be on-site during construction and open to inspection by authorized representatives of the Department,which may include local inspectors. All permits required by the state or the local municipality shall be obtained prior to commencement of construction/installation/operation. In granting this approval the Division of Safety&Buildings reserves the right to require changes or additions should conditions arise making them necessary for code compliance.As per state stats 101.12(2),nothing in this review shall relieve the designer of the responsibility for designing a safe building,structure,or component. Inquiries concerning this correspondence may be made to me at the telephone number listed below,or at the address on this letterhead. Sincerely, FEE REQUIRED$ 175.00 FEE RECEIVED$ 175.00 BALANCE DUE $ 0.00 PATRICIA L SHA RF POWTS PLAN REVIEWER,INTEGRATED SERVICES WiSMART code: 7633 (715)634-7810, FAX: (715)634-5150,M-F 7:45 AM-4:30 PM PSHANDORF@COMMERCE.STATE.W I.US cc:RICHARD ANDERSON