HomeMy WebLinkAboutSCHROEDER EAST Block 6 Lot 19 S-4905I EZ 'S
15(c Dcp Coe,+
sftj 6.
October 11, 1978 File No.: P113
Jerry Weaver m Planning Crept.
John 11. Lynn r Environmental Engineering - DHEP
Case 5-4905 d Lot 199 Block 6 - Schroeder East Subdivision
Soils tests for the above are adequate for on-site septic system.
However, the soils are rated at 261 sq. ft. per bedroom. The
Department requests 20% additional c.c. material or 2.1/2 minus
washed gravel, due to the rating being over 260 sq. ft per bedroom.
ncerely,
John W. Lynn
Environmental Engineering
JUL: lmp
Steven A. Johnson f
Box 76
Chugiak, Alaska 99567
Phone: 688 085
C
0
2
4
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Performed for /Ilayton Newman
Legal Descriptidn
Lot
19, clock 6
Schroeder Fast Subdivision
Test Pit Location 19'S and 10'E of the NW corner
12
14
16
Soils Log
Percolation Test.
Date 8/31/78 _
01- 2' red brown sandy silt with some gravel and organics (I
275 ft2/bdrm
2'-6' gray brown silty sandy gravel with cobbles to four
inches grading more silty from 4'to 6' (GM)
225 ft2/bdrm
perc tested from 5't0 7'
61- 14' gray brown sandy gravelly silt (ML)
275 rt2/bdrm
81- 9' moist lenses of silty sandy grav�l��(GM)
i
f ,
_ e`,
12'- 13' dry lenses of silty sandy gravel (GM)
no water table encountered _
feet
2_6]_ft.2/bdrm.
soils
nA'�E
8/ 3 J_LZ$--
NET TIi�E 119i�
--- 30---
30
Total depth
this
test
�4
AVERAGE ABSORPTION AREA REQUIRED
FROM
SOILS
LOG =
feet
2_6]_ft.2/bdrm.
soils
nA'�E
8/ 3 J_LZ$--
NET TIi�E 119i�
--- 30---
30
NET DROP_[
2.375
PERC RATE Min in
12.6
__0
30
1.250
24.0
_—,—
_
—60
1.500
40.0
240
6.375
___a7.7 ----
— —
Percolation rate _ L10 1 minutes//i.nch�J
7(
Signed