HomeMy WebLinkAboutEAGLE RIVER VALLEY RANCHETTES LT 2BIt
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#DSD 221 31!>
June 19, 1978'
Steven A. Johnson
P. 0. Box 76
Chugiak, Alaska
3�
v
99567
Roger Severson %IGJ S C V 6k' S
Bax 149��-
Crestview Lana
LaEle River, Alaska 99577
Dear if'r. Seversons r der
f% y
Transmitted herein are the results of the percolation test pervomrec.Yl t,�i•
on an existing septic system for a two-bedroom, home located on Lot 26
of Lake Hill Acres Subdivision. The test procedure used was as fol -lows:
an initial reading (RI) %^as made of the water depth in the seepage pit.
One thousand gallons of water was then added to the seepage pit and
another reading (81000) was made. The septic tank was then pumped in
order to prevent effluent from entering the seepage pit from thh
septic tank during the test. A final reading (Per) w;as then made of
the wrater depth in the seepage pit 24 hours after the R1000 reading.
The test data and results are shown below:
Date:
6/17/78
Date:
6/18/78
Time:
12.15
Time:
1215
RI:
5.0 in.
R1,:
47.0 in.
R1000-4
71.0 in.
System Capacity (SC) =
R1000 - RI 71.0
in.
- 5.0 in.
_
1000 gale
gal. = 15.3 gal/in.
1000
';rater Lost = R1000 - RR x SC = (71.0 -.47.0
in.) (15.3 gal/in.) = 367 gal.
Perc Pate = 367 gal. = 123.5 gal/day/bedroom
3 bedroom
3J -
An shown, the Pere rate for this system as tested is. gallons per
day ner bedroom. Should you have any questions regarding the results
of the test or the procedures used, please contact ma.
S1'�n�yc) crely,
Stieven A. Jonson
Geological Engineer
SAJ/kcj