HomeMy WebLinkAbout1979-07-27 Septic System Design Report545 Indian Mound
Wayzata, Minnesota 55391
(612)473-4224
July 27, 1979
Mr. Wheeler
Wheeler Construction
Re: Percolation Test and Soil Borings
Dear Mr. Wheeler:
Enclosed is information requested for an on -site sewage
treatment system. The drainfield information was based on
percolation tests and soil borings performed July 18 through
July 20.
t O6 S
The soils on .the site include Hamel loam. The average
percolation rate for the primary field is 9.4 minutes per
inch and 26.4 minutes per inch for the secondary field.
The locations of the percolation test holes, soil borings,
and the proposed drainfield areas are indicated in Figure 1.
The individual percolation rates are given in Table 1 and the
soil boring logs are given in Table 2.
Because of the high water table a mound system with dosing
distribution is recommended for the site. I have enclosed
plans and specifications for such a system.
Stated percolation rates are averaged for the locations shown
and no guarantee is implied or expressed that these conditions
exist for the entire area.
If you have any questions, please do not hesitate to contact
me.
Sincerely,
EUGENE A. HICKOK AND ASSOCIATES
Paul Bosanko
PB/car
Enclosure
to FRAM 5U i WIW6S
log 1-ROM PROM W (MINIMUM
SIzw-r\ DIsli'd` crcS
PRIMARY a�NNF19I D
1
XIF
i
S p �NFM �
b
� I 1
4
x
1000 gal.
--
s,
►�• xF�-
OZ
HOUSE
]Nib WHE LER\-C-�, LoTgE lu RY E.A. HICKOK a ASSOCIATES
SME
� V N HYDROLOGISTS-ENGNEERS AIENEAPOLIS-MR*ESOTA
NI
Table ]
PERCOLATION RATES AND DEPTH TO THE WATER TABLE
Average Depth to
Percolation Rate Water Table
Hole (Minutes/inch) (Feet)
P1 1.8 X
P2 51.1 X
P3 18.5 X
P4 6.5 X
P5 5.1 X
P6 7.5 X
SB1 X 3.5
SB2 X 4.5
SB3 X 4.0
Average percolation rate of Primary Site (Holes 1,2,3,4) = min/in.
Average percolation rate of Secondary Site (Holes 5 & 6) = min/in.
Table 2
SOIL LOGS
Soil Boring #1
Depth
Material
0
- 0.5
Black Loam
0.5
- 2.0
Black Clay Loam
2.0
- 2.5
Sandy Clay Loam
2.5
- 3.5
Olive Brown Clay Loam
3.5
Standing Water
Soil
Boring #2
0
- 1.0
Black Loam
1.0
- 2.0
Sandy Clay Loam
2.0
- 2.5
Silt Loam
2.5
- 3.5
Sandy Loam
3.5
- 4.5
Gray, Wet Clay
4.5
Mottling
Soil
Boring #3
0
- 1.0
Black Clay Loam
1.0
- 2.0
Olive Brown Silty Loam
2.0
- 3.5
Olive Brown Clay Loam
3.5
- 4.0
Loamy Sand
4.0
Clay Wet, Gray Mottling
Y - 4" STRAW OR MARSH HAY —�
GRASS COVER
SAND FILL
MAXIMUM SLOPE —�
3 TO
__.,car_ OPSOIL
SU8501L Pi jpw D OR
F-4
SANDY LOAM SOIL }
r I V4" PERFORATED
PIPE
r-6" TOPSOIL
;.r
% SLOPE 7
DISKED SURFACE l-*a'- 2Ile CLEAN ROCK
CTI ON A - A
I W- 20 PIPE FROM
PUMPING CHAMBER
r
PERF MTEQ;
13ED AREA
4%._ 2 Ile.
CLEAN BOCK-)
DIKE ---- -10 MAX-4w— QIKg
-------TOTAL WIDTH
Pl_ANVIEW
SEWAGE TREATMENT MOUND WITH PRESSURE
DISTRIBUTION OF EFFLUENT
1. SIZING
Indicated average percolation rate is 9.4 minutes per inch for
the primary site and 26.4 minutes per inch for the alternate site.
A. Total drainfield area is = ft2 (Required soil treatment
area based on a 4 bedroom house)
ft2 (20% reduction of treatment
area with 12" of filter material)
=1000 ft2actua sox treatment area
B. Drainfie'd trench bottom width is 31.
C. TOTAL ] 1 feet of drain the is 400.
D. This re%i-fires 4 laterals of 100 feet in length.
See Figure for typical placement.
E. Minimum spacing of laterals is 7.5 feet from center to center.
�S
r
���t
1. SIZING
Indicated average percolation rate is 9.4 minutes per inch for
the primary site and 26.4 minutes per inch for the alternate site.
A. Total drainfield area is = ft2 (Required soil treatment
area based on a 4 bedroom house)
ft2 (20% reduction of treatment
area with 12" of filter material)
=1000 ft2actua sox treatment area
B. Drainfie'd trench bottom width is 31.
C. TOTAL ] 1 feet of drain the is 400.
D. This re%i-fires 4 laterals of 100 feet in length.
See Figure for typical placement.
E. Minimum spacing of laterals is 7.5 feet from center to center.
�S
r
���t
c OkO
Z
ACV,
3"
D
'I T
PI
m z D D
�
v„39
>oo
� CL moo
rn
U) = fl=C
rn , v c ! c) 00
-1 0 O s
O N � a O m
Z
spa �nrn
fT1
A
in
r7jh� m>
-{
aO is N
Z
Z
2 C
m O
O
- m
c`o n
o i
t a
'
'c
i
j
z
ai
E a0
O
-n
m mZ7o�?��DZ 92
Z
O �� Laav� O�� D
Q rppTT��ZZrnm
�1 coC:)� �D�"g
zmo� c' nz
D(n��m=nm
pmC)m
-4 m��Cn
f11 �!�v om�
TZ�raCl�
i� M_mmoDc7Z2
7DCmrz_mrnm�e�
cn�vtbmrm- CnD>cn
o
a I F
.• 3r r. � i = t e
�tse
� I
J
a
_41i
S��TK SYST�r•.. //��s�CCl2 Dw��E � 7,
tiv i (,4- rE7 i9N's>�,� c,�,a r -rr--S-7Zn
�VPu C Ow 2
2-,,►C�/Jbli%X Q5- )eFZA.4'i2On
�LA-A?'E (Za::,Ls'i'AD 1 SN g C . Fin P, A)*=77oAu q e /Nsl7A-f [ fvZ CAep-) err -E3 I N
�o(L P&%-JL- kT I LI C�tusE/ ,�1� �� p/� c. YS SYSiE I�As
ft � fro Y / �' s7-R�ED TANK S _ s�N rf
!7/S CAA SS/-'
f'tA-AjS N4!- oBV►oUSc`T f-EA-b N %
PE`x�+-r
f-OAS?&T / � C a...7 i► cTt�D H-: E- �on'Z /�usP'r i'/o0�
pTes� 9lsc�ss(o^,/ 7 3 � v� / ,,�1 )&LiUrE "l-9
Svt,2F�cE A7uD �Us/,/ TbaclL tK ov�2 �'D sr -arc /ti p
Tug►., ;e .---ove 7'a tiirA4A- t,(--,a
�Ul� 6F DU►Sl0(.�5 OlMUfi �'-�� 72-> �� ,deva�e�w4C
N o
r�N N�ti /tis�Rccc� �!c ,SAD
f p 'f7Y L r-> D6
'� b _ � , 8 p /.> �( (� S)!N!� %N S i Iv-� ►,--f trt�v Ar<E � � � C , G� . C� />C %ice `.�� '�
ss uc A 5 �r� r 2. �flj�.� a/ / coc e �„- [�b ✓P e d Ft'��c
' S, N of 1(ri�*+sr r� �+ jjr�c p vTOC *,r7o- I N %, P-
5ysr�--t
v ���►�'►�' /,4?sj K I 4'v, K',A ►^ tS� i3�T �� A7A-r<--N,
(M N �Hb k L'D ISe i r- At Coc-- ,tee;, Sc ►CF _ Lv�TZ�-,oe /NZ Leese
ht-sv S IUD 7 . Q « C cl�. (� �cll� C �e�c T`r ,Qn►f� pi c r-� S�-up
i/U/e-
I S *"Ik ' -115F
f}F�'2 ?4�AVY ",IA,)S
ADDRESS
CITY OF ORONO
Data
CODE
SEPTIC SYSTEM INVENTORY CARD
Can -we to
Municipal Sewer _
Addrms �
�=
O Standard b neh —
.O Mow
��
tystaen type O r
Legal Description -a
Pertnh N.,der
of permit ■Ilea
•—�
No. Bedrooms
�undirng type
_ or GPO Laundry okhwshs►
Garbage
Disposal —
SEPTIC TANKS: Material
�pechy 11
hoer outlet and Inlet
Baffles 1lquid depth to RO level
Haight of tank bonom above water wZ M Distano to nearest building
—
.AINFIELD: Total length of line Nunber of lines Trench width
Total woevnent arms (sq. W Height of drainrold above water table
Type of filter msterial Son type
Distance front nearest bldg. TIM.sis p*m raft lin
Depth of 191 over drainfield Depth of rack over db
under We
y
INSPECTION RECORD
DATE COMPLIANCE
PUMPOUT RECORD
DATE GALLONS
C — CONFORMING S — SUBSTANDARD N — NONCONFORMING
WELL DATA
11
e
3
s
.
£
_P
g
LOCATION
SKETCH
Inciufe: 1) Wdllocation
Z) Distance from horse to
septic tank; disL box,
and drainfiekf
3) North arrow and rod
�;N
11