HomeMy WebLinkAbout1982-08-16 Septic Design & Soil Testh
t
SYSTEM DESIGN
LACHAN REED PROPERTY
LOT 3f BLOCK 1
8-16-82
!• Percolation Rate. Type of System.
I4..O minutes per inch. Standard System.
2. Proposed Plow Rate.
2 bedrooms 150 G.F.D. Is 300 G.P.D.
3* Soil Treatment Area Required.
1.27 X 300 is 381 sq* ft. minimum.
Size and Number of Trenches.
2 trenches 3 feet wide and 70 feet long is 420 sq. ft.
Tliese would be spaced a minimum of 7*5 ft. center to center.
These should be about 2-2.5 feet deej' in the natural soil.
5» Drainfield Rock Required.
For 420 sq. ft. of drainfield and 6 inches of rock under and
2 inches over a 4 inch distribution pipe, 15.O cubic yds. of
rock is needed.
6. Septic Tanks.
Two septic tanks should be used with each being 1000 gallon
capacity minimum. The existing tank or tanks should be chocked
to determine their suitability. Also* a third tank or a pump
ing compartment in the second tank shall be used to house the
pump necessary to distribute the effluent to the higher drain-
field area.
7» Additional Information.
When we were testing the site we found evidence of underground
water and electricity in the area. This should be ckecked out
and they should bo rerouted if lying in the drainfield area.
Sincerely,
PERCOR, INC.
Mark S. Gronberg, P.E.
Hoi# l?o«
P-2
LACHAH H23D PR0P3R1Y
LOT 2, BLuCK 1
Percolation Rosults
Bm« Coarse Sandy Loam
Brown Loam
l6«j> PIin«/lnoh
30.0 lUn./lnoh
The average percolation rate is 2U»3 minutes per inoh.
Soil Boring
S.B.^ # 1
ProtffeUlu I
0.0-1.2
1.2-2.0
2.0-5.0
5*0-8.0
Black Loam
Brown Clay Loam
Yellow Brown Loam
Brown Clay Loam
Ho mottled soil or water table after 2k hours.
CT5LOT 3, BLOCK
Material
P-1 Brown Loamy Sand 3.3 Hln./lnoh
P-2 Red Bm. Sandy Loam 7.3 Min./Inch
P-3 Lt. Brown Sand 0.2 Min./Inch
P-l^Brown Loamy Sand 5.0 Min./Inch
Ihe average percolation rate la i|..0 minutes per inch.
Soil Borlnsa
3.B, 1
0.0-1.5
1.5-2.5
U.0-6.0
6.O-0.O
•V
Black Loam
Red Brown Sandy Lofloa
Brown Kedlxsn Sand
Brown Coarse Sand
No mottled aoll or water table after 2k hours.
S.B. II 2
Ilaterial
Black Loam
Yellow Brown Loam
Medlm Brown Sand
Depth(ft.)
0.0-1.8
1.0-3.5
3.5-8.0
Uo mottled soil or vrater table after !k hoiars.
r «• —•t*'*