HomeMy WebLinkAbout1985-05-17 Septic System Design ReportSYSTEM DESIGN
FOR JOE BOYER & SONS
LOT 3, BLOCK 1, STRONGHOLD
5-17-85
1. Percolation Rate, Type of System.
34.4 minutes per inch. Standard System.
2. Proposed Flow Rate.
4 bedrooms O 150 G.P.D. = 600 G.P.D.
3. Soil Treatment Area Required.
2.0 percolation rate factor x 600 G.P.D. is 1200 Sq.Ft. minimum.
4. Size and Number of Trenches.
4 trenches 3 feet wide and 100 feet long would be 1200 Sq. Ft.
These trenches would be spaced a minimum of 7.5 feet apart center to
center, and be 2-3 feet deep in the natural soil.
5. Drainfield Rock Needed.
66.7 cubic yds. of rock is needed to have 12 inches under and 4 inches
over a 4 inch distribution pipe,
6. Septic Tanks.
Two septic tanks each of 1000 gallons are recommended. In addition, it
appears that either a third pumping tank and pump will be needed or else
an ejector pump in the lower floor required to reach the higher drain-
field area.
7. Additional Information.
Runoff water must be diverted from the drainfield area, especially if
the alternate site is ever used since it is closer to the existing
swale.
If any additional information is needed, please contact me.
Sincerely,
PERCOR, INC.
Mark S. Gronberg, P.E. r
M.,91.E1 .O N
61 '1E
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lot 2
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i‘orco'.> ntion Result?:#1
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*iol'> lo I'.n terip.1 Forcolnt.)'in Ra.to
P-1 i t, aro'.ni T ooin 30,0
P-r;I t, Brn, Clay Loara ll0,0
P-3 Lt, Brovin Loam 30.0
P-li I t, Bm, Clay Loan 3/u3
i’->Lt, Brn, Clay Loon 46.0
P-6 Lt, Brown Loam 21^.0
xUc rv>r.^«» j por-oolfiti in i’ato is 3a,1}. raJnntos por inch.
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->oil Borinixa
'o th(rt.)Latorial
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