HomeMy WebLinkAbout1985-08-24 Septic System Design ReportrL UC. '9'?')' �r
SYSTEM DESIGN
FOR BRUCE COMPANIES
MITNUN RESIDENCE
ORONO, MINNESOTA
8-24-85
1. Percolation Rate, Type of System.
9.5 minutes per inch, Standard System.
2. Proposed Flow Rate.
600 G.P.D.
3. Soil Treatment Area Required.
Use 1.67 percolation factor x 600 G.P.D. = 1000 Sq. Ft.
4. Size and Number of Trenches.
333 lineal feet of trenches 3 feet wide = 1000 Sq. Ft.
5. Drainfield Rock Needed.
55.6 cubic yds. of rock is needed to have 12 inches under and
2 inches over a 4 inch distribution pipe.
6. Septic Tanks.
Two septic tanks each of 1000 gallons are recommended. It
appears that a third pumping tank and pump will not be needed
depending on the final elevation of the house.
7. Additional Information.
Drainage swales should be used to divert runoff water around
the drainfield area.
If any other information is needed, please contact me.
Sincerely,
PERCOR, INCH.
Mark S. Gronberg
PCA certified
s- 3s
FnCOIATION risr OATH SEW
Test hole location_ eApe(Cjr CQiVJ'T Hole number
Date test hole was prepared R'Depth of hole bottom,_.Z!a inches.
Diasreter of hole, _6 inches.
Soil data -from test bole:
Depth, inches Soil texture
JA At
Method of scratcrinR sidewall /.;)=+r
Depth of pea -sited gravel in botto= of hole, ? inches.
Date and hcur cf initial water f.1ling ];DO Pne e-7y-,PS•
Dep:h of initial water filling, 6 inches above hole bottom.
Mcthod used to aaintain at least 12 inches of water depth in hole for at least
6 hours � r r.:::'/. /bG/'/art.: r ,for, 7/✓ F-2 4/- d J
Percolation test readings made by )"ji!,1A':i �-: fit'. r. %' - on
37--'- starting at :30 �� Maximum water depth above h-le bottom
(.date) 23)
during :est, f inches.
time j
Time :nte-.'al, Measurement, Drop in water
Minutes i inches level, inches
Percolation
rate, I Rema-ks
minutes per
inch I
Percolation rats a r/. ! sinutee Per tech.
F MIJ
PQCOLATION T9$T DATA Ohio
Test hole location AVC CQµ/j'T'. role number
Date test hole was prepared .j-l.Z - ff' S , Depth of hole bottom, inches.
Diateter of hole, G inches.
Soil data from test hole:
Depth, inches Soil texture
O - 7 #&A r', - c OA,"
Method of scratching sidewall
Depth of pea-si:ed gravel in botto= of hole, inches.
Date and hour of initial water fi:lip
Depth of initial -eater filling, inches above hole bottom.
Mcthod used to maintain at least 12 inches of water depth in hole for at least
6 hours
Percolation test readings made by on
.%tarring at a.m.
. Maximum water depth above hole bottom
(date)
during test. inches.
� I
:ime
Time i :nte r'al, McPburenen►, Drop in water
minutes inches level, inches
i
—
Percolation
rate, ; Remarks
minutes per
inch
JIV
f"?3
Percolation late • b • L1minutes per Loch.
f• u
PIRCOl.ATloN TZfT DATA :tuT
Teat hole location_ Apa cF <wo uJ'r We number /
Date test hole was prepared DOPO of hole bottom..7o inches.
Diameter of hole. 6 inches.
Soil data•fras teat bole:
Depth. inches Soil tasture
Q - 6 Xzxc'k GDA)tl
Q-Ws rt/"
Method of scratching sidewall
Depth of pea -sized gravel in botto= of hole. inches.
Date and hcur cf i^.itial rater filling
Depth c: initial water filling, inches above hole bottom.
Mcthod used to aaintain at least 12 inches of water depth in hole for at least
4 hours
Percolation test readings wade by
on
starting at a.m. Maximum water depth above hole bottom
(date)
during test, inches.
i :ime � �
Time i Interval, Measurement, Drop in water
vinutes i inches level, inches
j
Percolation
rate.
minutes per
inch
Remarks
. ,
:'0 l.:
- !s
Percolation rate /�• `/ .�,! sLinutee Per such.