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10-23-1985 Septic System Design Memo
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10-23-1985 Septic System Design Memo
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Last modified
8/22/2023 4:35:47 PM
Creation date
1/31/2023 1:21:34 PM
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x Address Old
House Number
2205
Street Name
Abingdon
Street Type
Way
Address
2205 Abingdon Way
Document Type
Septic
PIN
0311723240005
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SYSTEM DESIGN <br />FOR SHAVER CORPORATION <br />LOT 4, BLOCK I, ABINGDON GLEN <br />ORONO, MINNESOTA <br />10-23-85 <br />1. Percolation Rate, Type of System. <br />16.0 minutes per inch for the primary site(hoIes 1-4). Standard system with <br />trenches no deeper than 2 feet in the natural soil. <br />2. Proposed Flow Rate. <br />600 G.P.D. <br />3. Soil Treatment Area Required. <br />600 G.P.D. X 1.67 percolation rate factor = 1000 Sq. Ft. <br />4. Size and Number of Trenches. <br />3 trenches 3 feet wide and 111 feet long = 1000 Sq. Ft. These trenches would <br />be spaced a minimum of 7.5 feet apart center and be 1-2 feet deep in the na <br />tural soil. <br />5. Drainfield Rack Needed. <br />55.6 cubic yds. of rock is needed to have 12 inches under and 2 inches over <br />a 4 inch distribution pipe. <br />6. Septic Tanks. <br />Two septic tanks each of 1000 gallons are recommended. It appears that grav <br />ity flow can be used to reach the drainfield area if the house is kept high <br />enough. If not, then a third pumping t.vok and pump would be needed. <br />7. Additional Information. <br />Grading should be done to divert runoff water away from the drainfield area. <br />No grading or construction traffic is allowed in either drainfield area and <br />all construction and materials should adhere to the provisions of the City <br />of Orono. <br />If there are any other questions, please contact me. <br />Sincerely, <br />PERCOR, ijc. <br />Mark S. Gronberg, P.E. ^ <br />PCA certified
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