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, . _ Spring Hill Golf Club, Maintenance Facility Sewage T�eatment Plan No. 981959 Page 2 . March 10, 1998 4. A vertical inspection pipe must be provided into the rock bed/sand interface of the mound. 5. The owner of any septic tank or owner's agent must regularfy, but in no case less frequently than every three years, measure or remove the accumulations of sludge and scum in the tank. The owner of the tank must arrange for the removal and sanitary disposal of the contents whenever the top of the sludge layer is less than 12 inches below the bottom of the outlet baffle or whenever the bottom of the scum layer is less than 3 inches above the bottom of the outlet baffle. 6. The installation of the on-site sewage treatment system must be inspected by a licensed or qualified sewage treatment system inspector. The installer must contact the city, township or county zoning official for an inspection. If an inspector is not available from one of these govemment offices, then a privately licensed inspector must be contacted for the inspection. 7. The sewage treatment system must be installed by an individual or business who is currently licensed by the Minnesota Pollution Control Agency as an installer. 8. The sewage holding tank(s) must be constructed and installed in accordance with Minnesota Rules, part 7080.0910, subpart 3J. The following items must be included in the construction and installation of the sewage holding tank(s): a. The sewage holding tank(s) must be constructed of the same materials and by the same procedures as those specified for watertight septic tanks (see Minnesota Rules, part 7080.0130, subpart 1). b. A cleanout pipe of at least 6 inches in diameter must extend to ground surface. The cleanout pipe must be tightly capped. c. A manhole of at least 20 inches in dimension must be provided. d. In areas where a high water table may be present, the tank(s) must be protected against flotation. e. The tank(s) must be located in an area readily accessible to the pump truck under all weather conditions, and where accidental spillage will not create a nuisance. f. The tank(s) must be equipped with a positive warning system which allows 25 percent reserve capacity after actuation. 9. The project owner or the owner's agent must have a contract for disposal and treatment of sewage wastes with a pumper, municipality or firm established for that purpose. NOTE(S): �1. The scope of this project consists of the individual sewage treatment system for a new maintenance building. Utilization of this individual sewage treatment system is limited to serve the facility as described above. Prior to construction of any modifications or additions to the facility, additional plans must be submitted to and approved by this office. Storm water connections may not be made to this system. A properly designed and maintained individual sewage treatment system can provide reliable and efficient wastewater treatment. If the system fails, the plumbing fixtures should not be used until adequate soil adsorption capaciry can be provided or other corrective action taken. Consideration should be given to connecting to a municipal sewerage system when available.