HomeMy WebLinkAbout1987-02-25 Septic System Design Reportt; ‘ .• -f, %*.•
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S-P TESTINC, JNC.
951 KATYDID LANE
ST. MICHAEL, MN 55376
497*3566
STEVE SHIRMERS
February 25, 1987
Betz Builders
Lot 1, Block 2
McCulley Farm
Orono, Henn. Co., MN.
This is an assumed design for a Type 1, four bedroom hpme for a pressurized
mound system. We are assuming the worst conditions. In the spring the
site will be evaluated the type of system will then be determined. This
design is not valid without the completion of the soil borings and perco
lation tests.
Keep all heavy equipment off of the possible treatment areas as much as
possible.
Steven B. Schirmers
SBS/ds
Soil and Percolation Te§t$
Septic Syitem Detign
CERTIFICATE OF SURVEY FOR
BET Z BUILDERS
OF LOT I, BLOCK 2, McCULLEY FAF
HENNEPIN COUNTY, MINNESOTA
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CERTIFICATE OF SURVEY FOR
BET Z BUILDERS
OF LOT I, BLOCK 2, McCULLEY FA
HENNEPIN COUNTY, MINNESOTA
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S-P TESTING, INC.
951 KATYDID LANE
ST. MICHAEL. MN 65376
497-3566
Betz Builders
Lot 1# Block 2
McCulley Farm
^^Orono/ Henn. Co.» MN.
STEVE SHIRMER8
April 21, 1987
G>/2,
This system is designed for a Type 1, four bedroom home and in accordance
with the Minnesota Pollution Control Agency standards WPC 40 and local
ordinances.
The sons on this site are typical of SCS soils mapped - KIC2 - Kilkenny
loam boardered by LmB Lerdal loam. A seasonally high water table was loca
ted at 14", 18", 20" & 26", (mottling). Due to the seasonally high water
table, a pressurized mound system will need to be installed. The bottom
of the rock bed must be located at least 3’ above the seasonally high
water table.
The soils at a depth of 18" have a percolation rate averaging 9.7 min/inch
and are adequate for treating septic effluent.
A pumping chamber will need to be installed to lift the effluent to the
mound system.
The manifold and supply line pipe must have back drainage to the pumping
chamber. The distribution pipes shall have their ends capped. Be sure
the rock and sand fill material are clean. The sod layer below the entire
mounded area must be turned over, just break up the sod, be sure not to
over work.
The power supply and switches must be located outside the manhole and pump
ing chamber in a weather proof enclosure. A warning device must be in
stalled with a light and sound device, this is in case of a pump failure.
(Mercury floats are a good method).
All neighboring wells are located more than 100' away from the proposed
treatment area before and after construction as much as possible. The
treatment area should be marked off before construction.
With proper installation and maintenance, this system should have no prob
lem in treating septic effluent effectively.
It is recommended that the septic tanks be pumped every 2 years.
Soit and Percotalion Tasti
Seplic Sygtam Daiign
St
Steven B. Schirmers
SBS/ds
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CE^TtlriCATION # 00627 Logs of Soil Borings
Lgcation or Project T.nt- 1. mnrk 7. MrCinipy Farm_ _ _ _ _ _ _ _ _ _ __
Borings made by S-P Testing, Inc. Steve Schirmers Date 4~l6-»87
Classifiction System: AASHO__? USDA-SCSJC_; Unified_ _ _; Other_
Auger used (check two): Hand X » c. Power_ _, Plight , or Bucket
Depth#Dorino number 1 Depth#Boring number 2
in
feet Surface elevation ?Sa3
in
feet Surface elevation 95.8
A n _0 —
Topsoil dark brown loam
0 - 10"
u *
Topsoil very dark brown
loam
. 1 -Dark brown clay Icam 1 -•
10" - l-l/2'-mottling 0 - 1-1/2'
• 2>
Olive brown clay loam
2 -
•
Brown clay loam
2'2"-mottling
1-1/2' - 2'4"
. 3 -
1-1/2' - 3’8"
3 -' Clive brown strong
clay loam
4 -Olive brown silty loam 4 -2'4" - 4*2"
3'8" - 4'8"4'2“ - 4-a-
5 -
Olive brown loam
5 -Olive brown silty loam
4*8" - 5'8"4*8" - 5'8"
6 -5*8" - «• slfE9“?oan,6 -5-8- - 6-
•
7 -7 -■
8 - ■
•
8 -
•
End of boring at feet.End of boring at feet.
Standing water table:
present at_ _ _ _ _ feet of depth#
Standing water table:
present at_ _ _ _ _ feet of depth#
________ hours after boring.
Not present in hole_ _ _X
hours after boring.
Not present in hole X
Mottled coil:
Observed at
Not present in hole
Comments:
feet of depth,
Mottled soil:
Observed at 2*2”feet of depth.
Not present ir. nole_
Oomments:
r:ia.
S 7
ilMaik
CERTIFICATION # 00G27 Loos of Soil Borings
Location or Proj^^^ct Lot 1, Block 2, McCulley Farm
Borings made by S-P Testing, Inc. Steve Schirmers Date 4-16-87
Classifiction System: AASHO___; USDA-SCS_X_; Unified_ _ _; Other_
, FlightAuger used (check two): Hand X , or Power., or Bucket
Depth,Boring number 3 Depth,Boring number ^
in
feet Surface elevation 94.0
in
feet Surface elevation 92-. 1
■ y
Topsoil very dark
brown loam
u —
Topsoil black loam
1 -
0 - 1-1/2*
1 -1 *2"-mottling
1'8"-mottling Very dark
brown , . ,,,„clay loai \0-2*
• 2 2 -Black strong clay loam
2* - 2-1/2*Olive brown clay loam ,
3 -3 -
Very dark gray strong clay
2-1/2* - 3*2" loam
2’2" - 3*4"Gray silty clay loam
3*2" - 3*10"Olive brown silt* n
4 -
3*4" - 4*4'
4 -
5 -
Olive brown loam
w/traces of silty loam 5 -
Gray silty loam
4'4" - 6*3*10" - 6*6 -
:
6 -
7 -7 -•
^ - ‘8 -
•
End of boring at f ect.End of boring at^feet.
Standing water table:
prese'nt at_ _ _ _ _ feet of depth.
Standing water table:
present at feet of depth.
hours after boring.
Not present in hole_ _ _^_ _ _
_ _ _ _ _ _j.. hours after boring.
Not present in hole ^_ _ _ _
Mottled soil:
Observed at 1*8"feet of depth.
Mottled soil:
Observed at feat of depth.
Not present in hole.
,< Comments t
Not present in hole.
Cosmentsi
jil
CERTIFICATION # 00627 Loos of Soil Borings
Location or Project Lot Block 2, McCulley Farm
iJorings made by g-p Testing, Inc. Steve Schirmers_ _ _Date 4*16»87
Classifiction System: AASHU ' ; USDA-SCSJC_; Unified_ _ _; Other_
Auger used (check two): Hand X / or Power_ _, Flight_ _or Bucket
Depth,Boring number 5 Depth,Boring number ®
in
feet Surface elevation 92.5
in
feet Surface elevation 92.7
* f%w —u •
1 -1 •
Topsoil very dark brown
loam
0 - 1*2*
Dark brown loam
SAME AS BORING # 4 1’2" - I'lO"
• 2 -? -2 * 2"-mottling
.Brown clay loam
I'lO" - 2*10-
3 -3 -Olive brown clay loam
2*10- - 3’10"
4 -4 -Olive brown silty loam
3*10- - 4*4"
5 -
•
5 -
Olive brown loam w/
4*4" - 5* san 1
Olive 5. . 5.^. brown
6 -6 -
Olive brown loam
5*4- - 6*
•
7 -7 -•
8 - ■8 -
•
End of boring at feet.End of boring at feet.
Standing water table:
present at_ _ _ _ feet of depth.
Standing water tablet
present at_ _ _ _ _ feet of depth.
hours «fter boring.
Not present in hole.
Mottled soil:
_ _ _ _ _ _ hours after boring
Not present in hole_ _ _^
1*2Observed at_ _
Not present in hole
Cofiments t
faet of depth.
Mottled soilI
Observed at feet of depth.
Not present in hole
CoBusentst
L .-i.
• • 1
PERCOLATION TEST DATA SHEET
Percolation lest readings made by.Steven D. Schirmers a.m.
lest hole WiirinnLotl yBlk . 2 yMcCul ley nnmher ^ Dale hole was pwy»*** 4-16-87
18 _ . 6
Depth of hole boitom_»inches, Diameter of hole.inches
Soil data from lest hole;
Depth, inches
0 - 10"
Soil texture
Topsoil dark brown loam
10" - 18'Dark brown clay loam
Method of scratching sidewall Knife
Depth of grave! in bolt» »m of hole.inches
* 4 —16 —87 2s30p.m« -2
Date and hour of initial water fining __ Depth of initial water filing inrh<^ above hole bottom
Method used to maintain at least 12 inches of water depth in hole for at least 4 twsura Automatic siphon
- - . Maximum water depth above hole bottom during ^inches
Time
1
Time
interval,
minutes
Measurement,
inches
Drop in water
level, inches
Percolation
rale,
minutes per
inch
Remarks
11:00 ! prefill i 6
11:12 i 11:42 |2-7/8 10.4 30 min
11:49 1 12:19 !2-3/4 10.9 m M
12:30 1:00 i 2-11/16 11.2 « M
!
----------------------------1--------------------------------!-------------------------------------------
1 i
I
1
_ _ ___1
Ihnctdation rate ■_ 10«8 rninutt** inch.
’i'
mm
pr'-
PERCOLATION TEST DATA SHEET
Percoliition test readings made by _^ *__________Schirmers 4-17-87 .. 11:13
Tc« hole number.
ItktitI
__ p.m. I
Date hole was petpared 4-16-87
Depth of hole bottom..inches, Diameter of hole.Jnehes
Soil data from test hole:
Depth, inches
0 - 18'
Soil texture
Topsoil very dark brown loam
Method of scratching sidewalL Knife
Depth of gravel in bottom 0! iiole.Jnehes
Date and hour of initial water Hlling.
4-16-87 2:30p.m.
Method used to maintain at least 12 inches of water depth in hole for at least 4 hnur* Automatic liphon
I, I I, ..................................... , Maximum v otcr depth above huk boluunduring ^Jnehes
Time
Time |
interval, j Measurement,
minutes « inches
i
Drop in water
level, inches
Percolaiioo
rate,
minutes per
inch
Remarks
11:00 prefill * 6
11:13 11:43 !4 7.5 30 min
11:50 12:20 1 '• 1 3-3/4 00•0m m
12:29 12:59 1 3-9/16 00•m ■
t
i
1
i
Feronlatioa mo •.8.0 jninutes per inch.
h
PERCOLATION TEST DATA SHEET
Percolation test readings made by.SteverL R ._Rr*h 1 rm*»rR 4-17-87 •f 11*14 — p.m.
Test hole .If-IT! Hole numbcr_i Date hole was prepared 4-16-87
Depth of hole bottom_AlL—inches, Diameter ofholr . ....inches
Soil data from test hole:
Depth, inches Soil texture
0 - 18" Topsoil very dark brown loam
Mcthtnl of scratching sidewall___
Depth of grave! in bottom of hole____2--------inchesu. ^xa>Wa tii i/w»viii \Ji tiv.x i i ■ ■ i
• 4—16—87 2s30p«m«
Date and hour of initial water ‘‘‘ , Depth of initial water ruling , , -inches above hole bottom
iVethod used to maintain at least 12 inches of water depth in hole for at lcast4hourt Automatic siphort
6
, Maximum water depth above hole bottom during tetl ........inches
Tinte
Time
interval,
minutes
Measurement,
inches
Drop in water
level, inches
Percolation
rale,
minutes per
inch
Remarks
11:00 prefill 6
11:14 11:44 n 5 6.0 30 min
11:51 12:21 N 4-7/8 6.2 • a
12:28 12:58 n m ■a a
tt
ftreobtion rate •.6.1 inutes per inch.
■r.
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I\*rco!alion test rcailings nude by.
PERCOLATION TEST DATA SHEET
Steven B. Schirmers
•-------!
4-17-87
Test hole !QeatiQ n_^o^^>B^^«2,McCulley Far ini^u „„
Depth of hole hnt'nm 18 mrh».c Diamctcr of ho!c^ 6
11:15«------------------ p.m. ,I
Dtleholewik 4-16-87 1
Soil data from test hole:
Depth, inches
0 - 18"
Soil texture
iopsoil olack loam
Method of Kratching ^id<»u/;iii Knife
Depth of gravel in bottom of hole Jnches
Date and hour of initial water rdIing_2-_iL_Li_, Depth of initial water fillinr ^ ^inches above hole bottom
V.cthivJ used to maintain at least 12 inches of water depth in hole for at least 4 iw^.r^ Automatic siphon
Maximum water depth above hole bottom during icsl Jnches
Time
Time
inicrval.
minutes
Measurement.
incites
Drop in water
level, inches
PereolatMM
rate,
minutes per
inch
Remarks
11:00 I prefill 6
11:15 11:45 ff 3-3/0 CO•to30 min
11:52 1 12:22 M 3-1/4 9.2 M U
12:27 12:57 99 3-1/4 9.2 m m
1
1
%*
t
i
-
Pereoiation rate 9.1 jninutes per inch.
St'r
1^
PERCOLATION TEST DATA SHEET
PcrcoluUon test rcodinjjs made by Schi,rmers„, ,on„^.7l ilTr^.?..„,.sUfting it
----------------Lotl,Bllc.2.HcCuUey Farn.„„„------5
inrht*^, Diametcf of hole ■, ■ , — inchci
Date hole was prepared.4-16-87
Depth of hole bottom.
Soil data from lest hole:
Depth, inches Soil texture
0 - 18 Topsoil black loam
Method of scratching sidewalL Knife
Depth of grave! in bottom of hole.Jnehes
4-i(;-87 2:30p.m.
Date and hour of initial water fiMinc, , T--------- Depth of initial water filling.Joches above hole bottom
Method used to maintain at least 12 inches of water depth in hole for at least 4 hours ,
Maximum water depth above hole bottom during tesL Jnches
I Time 1
Time 1 interval, [ Measurement,
minutes } inches
i 1
Drop in water
level, inches
Percolation
me.
minutes per
inch
Remarks
11:00 prefill j 6
11:16 11:46 ,2 15.0 30 min
11:53 i 12:23
1
N «« M
12:26 12:56 i N H ■ H
11 ____
1 i
i 1i !
t !
1 1 ,
i
---------------------^^---------------------------------
1 i
[
Percolation rate *.15.0 jninutes per inch.
'■ \
r PKRCOLATION TEST DATA SHEET
Steven B, SchirmersPcrculuiion test rcudings made by.
Test hole Wntirtn Loti y Bl Ic» 2 / McCu 1 ley FariUnt,. number.
18 . . ^ . 6
^ 4-17-87 rting »L 11:1
Date hole was 4~16»87
Depth of hole bottom..inches. Diameter of hole.inrhi>«
Soil data from test hole:
Depth, inches
0 - 14"
Soil texture
Topsoil very dark brown loam
14" - 18 Dark brown loam
Method of scratching sidewalL_JLHjLX§.
Depth of gravel in bonom of hole..inches
Aa.R7 2s30p*m«
Date and hour of initial water ni]ing.j!_r. Deptli of initial water filling.jnches above hole bottom
Method used to maintain at least 12 inches of water depth in hole for at least 4 hours.Automatic siphon
Maximum water depth above hole bottom during test inches
Time
Time
interval.
minutes
Measurement,
inches
11:00 prefill
11:17
11:54
12:25
11:47
12:24
12:55
Drop in water
level, inches
3-3/8
3-5/16
3-1/4
Percolation
rate,
minutes per
inch
8.9
9.1
9.2
Remarks
30 min
IhHeolatkNi rale ■ ^ ^ per inch.
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‘' '•V«*-^v.-
IV •
*‘l 3 5-e „ ,v«. 5s8 I is
A I ■ I Ml m
4 INCHES STRAW OR MARSH
HAY AND LAYER OF RED
ROSIN PAPER
GRASS COVER
SAND FILL
MAXIMUM SLOPE -+-
4 TO 1
TOP
SUBSOIL
•
I V
E-4
SANDY LOAM SOIL
PERFORATED LATERAL
6 INCHES
TOPSOIL
�r
y - I % SLOPE
PLOWED OR %-=CLEAN ROCK
DISKED SURFACE 314 TO 2'/2 INCHES
CROSS SECTION A - A
PIPE FROM
BUMPING CHAMBER
W
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FORATED-
rERALS
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MAX.
TOTAL WIDTH ,
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PLAN VIEW
i`
E-14
TEE TO TEE LATERAL-MAN I FOLD CONSTRUCTION
Grass Cover
Hay or Straw Covered
by Layer of Red Rosin
Paper (or nylon fabric)
Perforation in Cap Near
Crown of Pipe
Perforations at Lateral
Monifold |nv6rt
•• •■•rV:-V"S^>-Rock.'Layer
12-Inch Layer of
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