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Orono, MN Code of Ordinances Page 2 of 3 <br /> Natural 150 150 <br /> environment <br /> Tributaries, 75 75 <br /> streams <br /> Driveways, 10 10 <br /> sidewalks, <br /> decks and <br /> other <br /> hardcover <br /> Property 10 20 <br /> lines, <br /> buildings <br /> and buried <br /> pipes <br /> Lawn 10 10 <br /> sprinkler <br /> systems <br /> b. Sewage tanks.The minimum sewage tank size requirements are as follows: <br /> Number Tank's Liquid Capacities <br /> of (gallons) <br /> Bedrooms <br /> 14 or less 1,000+ 1,000 regardless of garbage disposal use <br /> Sorb <br /> 1,250+ 1,000 regardless of garbage disposal use <br /> 7,8 or 9 1,500+ 1,500 regardless of garbage disposal use <br /> 10 or Sewage tanks shall be sized as other establishments per Minnesota Rules chapter 7080. <br /> more <br /> c. Pumping stations. In order to standardize installation and electrical connection methods,the following pumping <br /> station requirements must be met in addition to Minnesota Rules chapter 7080: <br /> 1. Electrical connection. <br /> i. A watertight,lockable electrical box must be mounted on a four-inch-by-four-inch treated redwood or <br /> cedar post. <br /> ii. All electrical connections shall be made within the box. Pump connection must not be made using a <br /> direct line(plug-in only).Wire entry to the electrical box shall be sealed with a watertight material such <br /> as foam or putty. <br /> iii. Alarm and pump floats shall be on separate electrical circuits. <br /> iv. Electrical wire from the power supply must not run over any tanks but must be laid beside the tanks <br /> and placed in conduit along the electrical post. <br /> v. Electrical cords from the pump and floats must be run through a two-inch PVC(or equivalent)conduit <br /> (schedule 80)with a one-inch gap between the conduit and the electrical box.Electrical cords must not <br /> run through or under the manhole cover.Wires must not have ground contact. <br /> about:blank 7/30/2015 <br />