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CITY of ORONO <br />Yost ')ffice Box 66 • Crystal Bay, Minnesota 55323 • Municipal Offices <br />On the North Shore of Lake Minnetonka <br />March 1988 <br />SEPTIC SYSTM INSTALLATIONS - CONSTRUCTION i INSPECTION MVIRRIGMTS <br />A. All installations shall comply with the approves septic system design (the report you <br />work from should contain the City's signed and dated approval cover sheet, which <br />will note any required changes). _ <br />B. A11 inspections must be cal led -in at least 24 hours in advance to ensure timely <br />i ctiona (473-7357). The following inspections are required: <br />rl. Pre -installation site inspection (any time prior to installation; purpose is to <br />rify proposed system location and layout). <br />2�. Tank inspection (prior to covering). <br />3. Standard trench drainfield inspection (at least 751 complete but prior to <br />covering). <br />( 4. )lotted - Inspections ( 2 required) : <br />' After ground is roughed -up, but prior to sand placement. <br />When rock and piping are in place, but prior to covering. <br />�inal inspection <br />a. When final grading is complete. <br />b. Pump station function final inspection. <br />C. Special requirements for poW station inspection: <br />Pump stations have become an increasing problem due to a wide range of installation <br />and electrical connection methods, and due to varying per ,tions of who is responsible <br />for various portions of the installation (incl iq bui ling inspectors, electrical <br />inspectors, system installers, electricians,c eneral contractors). The following <br />procedure and policy is immediately placed in effect. - <br />a. The septic installer shall be responsib. a for ensuring that all electrical <br />connections conform exactly to the diagram snown on the back of this sheet (90 <br />EQCXPTIO�S) . <br />b. Septic installer shall call City for final pump station inspection when the pump, <br />floats, electrical connections, and alarm system are complete and working. The alarm <br />system will be tested, as will the pump on-off levels to ensure proper gallonage per <br />cycle. <br />C. Installer shall provide pump make and model number and a copy of the Pus:t: <br />Characteristic Curve to the inspector for filing in permanent City records. <br />d. Certificates of Occupancy for new residences will not be issued until the above <br />is completed. <br />Any questions? Contact Lyle Oman or Mike Gatfron at 473-7357. <br />BUILDING& ZONING - 473.7357 • ADMINISTRATION A FINA':sE - 4/.:'358 • PUBLIC WORKS - 473-7359 <br />ASSESSING <br />