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���Y=�=�=� CITY of ORONO
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� , , ;�,�;� .�`y Street Address: MailinQ Addreu:
`�EggO¢ 2750 Kelley Parkway P.O. Box 66
Orono, MN 55356 Crystal Bay, MN 55323-0066
Owner: ���1� ��eqe� Address: S�O g�,q 1S Iq�c�
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City Ordinance 199 requires that each esisting on-site sewage treatment system in Orono be inspected every rivo years.
The on-site sewage treatment system at the above address has been inspected and appears to fall into the categories checked below.
SYSTENt CONFORI�IITY 1-3 : _J__
1 ��CODE SYSTEM�� An ISTS which meets all the location,design and consUuction standards of the current Orono Municipa!Code.
2 ��CONIPLIANT SYSTEM�� An ISTS which does not meet all the location,design and construction standards ofthe cunrnt Orono Municipal
Code but does meet the three foot sepazalion requirement,and which is not faifing ot an imminent threat to public health or safety.
3 ��NON-COMPLIANT SYS'I'EM" A prohibited ISTS;an ISTS located within a desigtatzd 100-yeaz flood plain,any ISTS which may
or may not meet all the location,design,or construction standards of the cuaert Orono�funicipal Codz and which is failing for any reason;and
any ISTS with less than three feet of unsaturated soil or sand between the distribulion device and the limiting soil chazacteristics.
TANK CONDITION(�-10): .S
Tank inspection indicates:
OPumpout not needed at this time.
fi Tank must be pumped out this yeaz (city code requires tanks to be pumped out evzry 3 years. Tanlc was last pumped ),
� Solids accumulation in tanlcs is at a critical a critical levzl. Tanks should be pumped out as soon as possible.
8 Systzm is discharging to tha surface. Tanks must be pumped out within 48 houcs to eliminatz surface discharge.
y Inspaction risers missing-tanks could not be inspected Inspection risers(4"dia.pipe)must be installzd in each tanlc at neact pumpout If tanks
ha�•e nut bezn pumped out within the last three years,they should be pumped out now.
1� Inspection pipe is located directly over tank baffle(does not give accurate measurzment of solids accumulation). If tanks have not bzen pumped
out�vithin the last three years,they should be pumped out now.
DRAINFIELD CONDITION(11-1�1): 1�
�Drainfield is dry,no surfacing evident
1? Soma evidenca ofsurfacing,not critical yet .
13 Drainfield is satursted and visibly discharging untreatzd e�luent to tha surfice. Contact the City Inspedor immediately.Repai�must be
completzd within 90 days.
1� Drainfield a�ctent and condition unknow�n.
CO�NTS: S y S-i�er. I v oKS 0(� .
lo -ay- � � ��.
Date of Inspection Septic System Inspector �
Notz: In the avent that this inspection report is used to satisfy the requiremenis for a mortgage or other tracufer of property,be advised that this repoR does not guarantee
or certify that an a�risting systrm w�ill continue to function properly,but is merely an opinion of the adequacy of the systern undzr cuirent conditions bued on the availabla
information.
CITY OF ORONO � O�
Municipal Offices O O
Post Office eox 66
Crystal Bay, MN 55323-0066 � � ON—SITE SEWA(iE TREATMENT
� INSPECTION REPORT
ti
��9kESH�4'�G
Owner:�s �/ '�'� Addres s• �
Permit #'s: )'1(yY�� Dates: '—'� Contractors: /�}'}��/�
City ordinance nunber 100 requires that each on-site sewage treatment system in Orono be inspected on a regular basis.
The on-site sewage treatment system at the above address has been inspected and appears to fall into the category
checked betow.
(This is � an existing system [ ] new construction)
SYSTEM CONFORMITY (1-3);
1 "CODE SYSTEM"-A system which meets all the location, design, and construction standards of the current City
Codes, and which is operating satisfactorily by treating and disposing of the entire current sewage input
uithout discharging any pollutants into ground or surface waters.
2 "CONFORMING SYSTEM��-A system uhich does not meet all the location, design, and construction standards of the
current City Codes, but aas installed according to the code in effect at the time of installation, and which
is operating satisfactorily by treating and disposing of the entire current sewage input uithout discharging
any pollutants into ground or surface uaters.
3 "NON-CONFORMING SYSTEM"-A prohibited system; a system located within a designated 100-year floodplain; any
system which may or may not meet all the location, design, and construction standards of the current City
Codes and which is failing for any reason; and an s s em with less than 3 feet of unsaturated soil or sand
�between the distribution device and the limiting soi c arac eris ics. _
(The limiting soil characteristic (�i has or [ 7 has not been identified at this ti If the limiting soil
characteristic has not been identified, this classification may be subject to revision.)
TANK CONDITION (5-10):
Tank inspection indicates:
5 Pumpout not needed at this time.
b Solids accumulation in tanks indicates they should be punped out this year to help prevent future problems.
7 Solids accumulation in tanks is at a critical level. Tanks should be pixnped out as soon as possible.
8 System is discharging to the surface. Tanks must be p�xnped out within 48 hours to eliminate surface dischar�e.
9 Inspection risers missing-tanks could not be inspected. Inspection risers (4" dia. pipe) must be installed in each
tank at next punpout. If tanks have not been punped out uithin the last three years, they should be pumped
out now.
� Inspection pipe is located directly over tank baffle (does not give accurate measurement of solids accumulation).
if tanks have not been punped out uithin the last three years, they should be pumped out now.
DRAINFIELD CONDITION (11-14):
Dr field inspection indicates:
�Drainfield is dry, no surfacing evident.
`4'l Some evidence of surfacing, not critical yet.
13 Drainfield is saturated and visibly discharging untreated effluent to the surface. Contact the City Inspector
irtmediately. Repairs must be completed within 90 days.
14 Drainfield extent and condition unknown.
L1MITING S1TE FACTORS (slope,setbacks,etc.):
POTENTIAL fOR SYSTEM FAILURE (depends on soils,water table,etc.): '/r�,�,/���1
,c1 a-r 4
�OMMENTS:
i �
s
Date of nspection Se t'c System nspector
Note: In the event that this inspection report is used to satisfy the requirements for a mortgage or other transfer of
property, be advised that this report does not guarantee or certify that an existing system will continue to function
properly� but is merely an' opinion of the adequacy of the system under current conditions based on the available
i nformah on.
This report must be kept on the premises with the system loc=tien and pumping records.
WHITE COPY/Inspectors File YELLOW COPY/Homeowner
On the North Shore of
Lake Minnetonka
ON-SITE SEWAGE TREATMENT
INSPECTION REPORT � POST OFFICE BOX 66
1335 S. Brown Rd.
� � � Crystal Bay, MN 55323
473-7357
OWNER i/G717?t'S �"I�L'�E:iT ADDRESS l�f'C.'t��/f� L�T�����. Gq �'>'�Y�
PERMIT NO.'S. DATES ` CONTRACTORS �
City Ordinance No, 210 requires that each on-site sewage treatment system in Orono be inspected on a regular basis.The on-site sewage
treatment system at the above address has been inspected and appears to fall into the category checked below.
(This is � an existing system ❑ new construction)
� � Meets or exceeds current City standards in all respects relating to design,construction,and location.Appears to be operating
properly.
�2 Does not meet all current City standards for new construction (1978 Code1 but in most respects appears to be designed,
located, and constructed generally in accordance with previous codes. System appears to be functioning properly;no major
upgrading of the system is required at this time.
�3 Does not meet current City standards in many respects relating to design, construction,or location.Appears to be operating
adequately at this time, but has a relatively high potential for future problems. No major upgrading of system is required at
this time.
� 4 System may or may not meet current City standards for design,construction or location, but is failing to properly treat and
dispose of the current input, and is endangering a water supply, or is a source of pollution to surface or groundwaters,or is
creating a safety hazard, or is otherwise creating a public nuisance.Please contact the City Inspector to discuss system repair/
replacement procedures. If drainfield replacement is necessary,soil testing will usually be required,and a design and site plan
must be submitted for review.Your contractor must obtain a permit before work is started.
SYSTEM CONDITION ( m Checked items may require your action)
Tank inspection indicates: ❑ Inspection pipe is located directly over tank baffle. (Dces not
�Pumpout not needed at this time. give accurate measurement of solids accumulation.) If tanks
Solids accumulatio� in tanks indicates they should be pump- have not been pumped out within the last three years, they
ed out this year to help prevent future problems, should be pumped out now.
❑ Solids accumulation in tanks is at a critical level. Tanks Drainfield inspection indicates:
should be pumped out as soon as possible. .�Drainfield is dry,no surfacing evident.
❑ System is discharging to surface. Tanks must be pumped ❑ Some evidence of surfacing,not critical yet.
within 48 hours to eliminate surface discharge. ❑ Drainfield is saturated and visibly discharging untreated
❑ Inspection risers missing—tanks could not be inspected, effluent to the surface. This condition may require replace-
Inspection risers (4" dia. pipe) must be installed in each tank ment or additions to drainfield. Contact the City Inspector
at next pumpout. If tanks have not been pumped out within immediately.Repairs must be completed within 90 days.
the last three years,they should be pumped out now. Q Drainfield extent and condition unknown.
SITE CHARACTERISTICS:
Limiting Site Factors Potential for System Failure Site Capabilities for
❑ Slope (depends on soil types,water Future Expansion
❑ Soil table,and system condition) ❑ Adequate
❑ High water table Low �Fair
� Lot size Medium Poor
❑ Lake,wetland,or stream High ❑ Inadequate
❑ Drainage ❑ System is causing visible
surface discharge.
COMMENTS:
�[� j�_�/i.7 �r'
Date of Inspection S tic System Inspector
Note: In the event that this inspection report is used to satisfy the requirements for a mortgage or other transfer of property,be advised that
this report does not guarantee or certify that an existing system will continue to function properly,but is merely an opinion of the adequacy
of the system under current conditions based on the available information.
This report must be kept on the premises with system location and pumping records.
WHITE COPY/Inspector's File GOLD COPY/Homeowner
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S�P TESTING' �NC. Steven B. Schirmers • MPCA Cert.No. 627
951 Katydid Lane NE • St. Michael, MN 55376 • (612) 497-3566
FAX (612) 497-5011
State License #394
Revised March 18, 1997
October 28, 1996
George Adams 600 Big Island
Tom Robb 570 Big Island
Jim Figger 580 Big Island
Orono, Henn. Co., MN
A site evaluation was completed on these properties for the existing on-site sewage
treatment systems supporting the existing cabins. The existing systems are classified
as failing due to not meeting the 3' separation from the saturated soil (mottled soil) or
lack of system. The existing tanks are old, either metal or block type and will need to be
abandoned, pumped and filled with soil. A new system will need to be installed.
This on-site sewage treatment cluster system is designed for a Type 3, 3 bedroom 218
gal/day each cabin totaling 654 gal/day, in accordance with the Minnesota Pollution
Control Agency Chapter 7080 and local ordinances. An easement agreement will be
required by the city. The agreement will require a maintenance schedule for maintaining
the tanks, and shared electrical costs, etc. A water meter will need to be installed in
each cabin to monitor the daily water use and to be recorded with the property. The
system will be 5' from the property line and up to the road easement, this will need
approval from the city. Approval will also be needed for a tank to be 5' from the Robb
cabin to stay out of a low area.
The soils on this site are SCS soils mapped - HbC - Hayden loam. The seasonally
saturated soils were located at 5'10". The bottom of the treatment area must be located
at least 3' above the seasonally saturated soils. A standard gravelless 10" diameter
trench system may be installed.
The soils at a depth of 30" have a percolation rate averaging 10.4 mpi.
1
r �
Due to the system being sized for 1.27sq.ft. (perc rate 10.4) low water use facilities wiil
need to be installed in all three properties. If water softners are used, they must be
diverted either to the ground surface (not the lake) or install approximately 50 lin.ft. of
gravelless trench.
The new tanks may be plastic but must be heavy duty due to the high water table, see
the site plan for the location.
A pumping chamber will need to be installed to lift the septic effluent to the treatment
area. The power supply and switches must be located outside the manhole and
pumping chamber in a weather proof enclosure. A waming device must be installed with
a light and sound device, this is in case of a pump failure. An exterior device will need
to be installed.
All neighboring wells are located greater than 100' away from the proposed treatment
area and 50' away on this site (deep well). Approval will be needed to be 50' away from
a well with a tank at the Robb cabin.
Keep all heavy equipment off of the proposed treatment area before and after
construction. The treatment area should be marked off before construction. This
Design is not valid & the system will need to be relocated if failure to protect the areas
proposed for On-Site Sewage Treatment occurs.
With proper installation and maintenance, this system should have no problem in
treating septic effluent effectively.
Nothing other than gray water (laundry, showers, etc.) should be disposed of into the
septic tanks. Garbage disposals are not recommended, due to adding more solids &
fine solids passing through to the system. Excessive amounts of soaps, cleaning agents
& chlorine agents may kill the bacteria needed to treat septic effluent. Additives are not
recommended. Recommend to pump & clean your tanks through the manhole by a
certified pumper every 2 years. Check with your pumper to set up a schedule.
� n
�� �
,�
Steven B. Schirmers
2
, ;NDIVIDUAL SEWAGE TREATMENT SYSTEM WORKSHEET
( D-2�
� �"�W En;muc.d Scwage Flo�in Gallons pc D■y(�d)
A. Estimared (�Sy gpd s�� L�'�-
���
measured — x 1.5= ---- gpd or ryv�� ry�❑ Ty�ni T��rv
� SEPTIC TAI�TK VOLUME Bcdro°a15
B. a-/�oo gallons v-�� � �aw�s s soo 2u �ao �:�
3 450 300 218 �
�- /000 �\L>l�"fG� 4 600 375 256 "
SOILS(Site evaluadon dataD 6 90o su s3z �
C. Depth to restricting layer= S�-�o"-�u 7 � � feet 8 12� 6600 ;� I �
D. Maximum depth of system C-3 ft= a.S feet
E. Percolation rate /D . 4 MPI
Number M`°mL'. y'°m�•—
F. SSF ,�,� sq ft/gpd of s`�� a°.���
TRINCH BOTTOM AREA ��A�t-��ss Bedrooms ��� �a�
� H. For trenches with 6 inches of rock below the pipe:
A x F= S x s ft of bottom area 2 or less 750 1,125
S� /.i�_��Q q 3 or 4 1.000 1,500
I. For trenches with 12 inches of rock below the pipe: 5 or 6 1.Soo 2,250
A x F x 0.8= x x 0.8= s ft of bottom area 7 or 8 2,000 3,000
9 over 9 See fig.C� (x l.�
J. For trenches with 18 inches of rock below the pipe:
A x F x 0.66= x x 0.66= sq ft of bottom area 501,�„e,,,vk„�,,,,,�.,,�,,,��,m,�
K. For trenches with 24 inches of rock below the pipe: P�,,o,�K.,. �-r �-
SO�Toc h1JC r v-� r�n
AxFx0.6= x x0.6= sqftofbottomarea '""" �,°`i "`" '"�'' '"�
B� B�Z'1'OM E�� Futa than 0.]' �arse Sand — —
L. For see e beds with 6 or 12 inches of rock below the � ; o.i to� s�,a o.sa ir�
�g p � 0.1 to 5 Fine Sa.id" 1.67 0.6,�
1.5 x A x F= 1.5 x x_= sq ft of bottom area 6 co ls ay t.�, i,u o.:v
]6 to 30 Loaai <'1.67� 0.60
37 to 4i Silt Loa.m 2.00 O.iO
ROCK VOLUME IN CU FT as co bo aa��, zso �o��
s�oW��,az,�-- ,y
M. Rock depth below distribution pipe plus OS foot times bottom area:
M=Rock de th+6 inches x Area(H,I,J,L,K) ����������
P -�ti.����a`��.�
L—+ OS ft)x — _ — cu ft �s"'"""'°°"'""'��`dd'',;�
;,�.uu.ea,d.�� .�.na..a.
� ROCK VOLUME IN CU YDS
N. Volume in cu ft divided by 27
M+27 cu yds_+27 cu yds
ROCK WEIGHT
O. Cubic yards times 1.4=tons 6 inches= 0% Reduction*
N x 1.4= tons - x 1.4= — tons 12 inches= 20% ReducEion
18 inches= 34% Reduction
DISTRIBUTTON 24 inches= 40% Reduction
(Check one based on slope) *sizing for gravelless trench
Bed (less than 6%slope)
Trenches
�Drop boxes(any slope)
_Distribution box(level to slightly sloping)
TRENCH LENGTH if+r+f�fti'•tiftif+rtifti'•+'•ti'•tif� T
f•f•f•f•f•f•f•f•f•f•�•f•f• 2 inch Cover
P. Select trench width= 3.0 ft =lu'b�A. ��A�,� �`"_ ,.• � � `•� ~ ` � � � ~ ` • �
f•r.r...f•r•r•�•r•f•r•.•f•
ti.ti.ti.ti.ti.ti•• •ti•ti•,.ti•ti.ti
Q. Divide bottom area by trench width: (H,I,J,or K) =P = ''f'''f'f `�r'''f'
�.ti.ti•ti• ,•�•,•ti•ti
f•f•f•r {•f•f•f•
linea] feet ����~�`� ������~
tirti:ti:tir r`fti�tir� 4inch Pipc
�S� a`60 U�-�., f•r•r.r 'r•f•r•i•
�r�_�lineal feet— '�'�- 2•�•�•�• �•�•�•�
� ,a. �~�a� f'''''" f'`'''f�
LAWN AREA �.L�--,:,ti.�� ti-�..•�•�. ti•ti.ti.ti.ti
f.r•f.f.f. f•}•f•f•f•f•
ti.�.,•ti•ti•ti•ti•{•,•ti•ti•,•,•ti
R. Select trench spacing,center to center= feet f�f�f�f�f�f�f�f�f�j�f�f�f�
ti.ti.ti.ti.ti•ti.ti.ti•ti•ti•,•ti.ti.ti
r•r•r•r•r•r•r•r•r•r•f•f•r•
ti.ti•ti•ti•ti•ti•ti•�•ti•ti•ti•ti•ti•ti
S. Mulriply trench spacing by linea] feet R x Q=sq ft of lawn area r'f'r'`'''''f'r'''f'f'f'f'
ti.,,.ti.,.,..ti.ti.ti.ti•ti.,.ti.ti.ti
r.f.f.r.r•f.r.f.r.f.r.f.f. 6-24inch
x = sq ft �'��~�������`���~�����~��"
tirtirtirti:tirtirtirtir`ftir�ftirtirti Rock Bclow thc Pipe
tifti�ti!ti`tifbftijtiflftiftiftirtifl
tirtifti�{ftiftiftif�ftiftifti�tirti�ti
LAYOUT(Use other side) tif{Cti'.tifti`tifSf.ftiftiftif;fti'•ti
1.Select an appropriate scale;one square= feet. !
2.Show pertinent property boundaries,right-of-way,easements.
3.Show location of house,garage,driveway,and all other T
� improvements, existing or proposed I "
3a
4.Show location and la yout of sewa ge treatment s ystem. / ��'o�fl•
5.Show IocaHon of water supply well. , I`��'"'�� I �
6.Dimension all set backs and separation distances. Figure D-26
I
_ ay'� -
r }
F-17
���
i pL7MP SELECTION PROCEDURE
E!O PERFORATIdJ OF A PERFORATED LATER/L
a Determine pump capacity: �-�..�
Gravity Distribution T�_��
1. Minimum suggested is 600 gallons per hour(10 gpm) to stay ahead of _ :,
a c»�nw cee.k t��v.
water use rate. � `""''s'"`"'` �"'°""..:.,""' "'`�."'°
%�..,.�. ,�:.,'
2. Maximum sugges r delivery to a drop box of a home system is 2,700 ., . ^�*� ��a���� �«���^�^��,
Nti(Ii H�o� Too
gallons per ho 45 m o prevent build-up of pressure in drop box. . ,,•,,,„ ; _u �.,., ,2•„ �,,.
Id el Rxt I.urw
PY1pO11M�lO(<IM ol
Pressure Distibution ���� �""^" `"•"'
3. a. Select number of perforated laterals
o.,..,.��.�� .,.d... �,��
b. Select perforadon spacing= feet �,,.,,,,,,,�5„d�,,.,,
c. Subtract 2 ft from the rock layer length.
��re�ga
-2 ft. = feet�
d. Deterrrune the number of spaces bet�veen perforations.
Length pesf. spacing=_ft.� ft. = spaces Required Perforation Diuh e
e. _spaces+ 1 = perforations/lateral �gauo��r�,�ce�gp�
f. Multiply perforations per laterai by number of laterals to D��Se , , ,
get tocal number of perforations. W��,� x �� ��= perforations. H�d 'S2� ""' ` °�°��
g' -� X a��--gP m.
1.Oa 0.56 0.74
SELEC'I'ED PUMP CAPACITY -�S gpm Yj')aI� 2.Ob �.8� 1.04
B.Determine head requirements: a. Use for single family homes
1. ElevaHon difference between pump and point of discharge. b. Use for all other applicaeons
�_feet
� 2. If pumping to a pressure distribution system,five feet for pressure
required at manifold if gravity system,zero.
�' feet
3. Friction loss
a. Enter friction loss table with gpm and pipe diameter. P�P�L«�g�h
Read friction loss in feet per 100 feet from table. � Poin�of Dischargc
F.�. = 3,at� ft./100 ft oE pipe 9so
b. Deternvne total pipe length from pump to discharge Flcvacion Differencc�
point Add 25 percent to pipe length for fitting p�p _�:�
loss,or use a fitting loss chart. Equivalent pipe
]ength - 1.25 dmes pipe length= F-18b
�x1.25 = I � `� feet
c. Calculate total fricbon loss b multi 1 no 1.5 inch 2.0 inch 3.0 inch
y p � o �m Friaim lm pa 100 ft d pipc
friction loss in ft/100 h by equivalent pipe length.
Total friction loss= -3 .�`d x +100= feet 10 0.69 0.20
) 1 � � 12 0.96 0.28
4. Total head required is the sum of elevation difference, 14 1.28 0.38
special head requirements,and tota] friction loss. 16 1.63 0.48
18 2.03 0.60
20 2.47 0.73 0.11
a,� + - +�_ 25 3J3 1.11 0.16
(1) (2) (3c) 30 5.23 1.55 0.23
35 7.90 2.06 0.30
40 11.07 2.64 0.39
TOTAL HEAD a�feet 45 1a.73 3.28 0.48
50 3.99 0.58
55 4.76 0.70
C. Pump selection 5o s.bo o.s2
; 1. A pump must be selected to deliver at least
,_:�' ��gpm (Step A) with at least �,lo feet of total head (Step B).
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I � z`c�tinv ---- -_ __--�.�� 40\ GE�11 �F'�t7Y=t4�':_ -fA>-1k�S � �J C"' � � u�
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1�-"F�'� AL� N�A�!`( �Qil�Pr�Gi-�C o� a+F -. ______. _--��
-C1-1� �oYos4� 'f1'��w1�'� �As 'Y�'�F�-�-
$t�-���"� cr»..��t`�a c.-�10)-�.
'S�w� �• �.A Y-� �L. S�T ��G-- .L'L S a, P�JpE RTY CF� �o'S'� '�vv'�
�Percolotion Tests Scale� r� aaL}y,.�S i S'?U� 54�0 � (�O
�-����= r�,�,i�t-�rn-��-�1 w��-s�o �Soil Borinqs
��sT• °I- zS-� L ��-9��,3(� �BencF Mark
�1� SSL�I-��oY-o�sot-�� ��1.tu,
Note� This system is to be constructed to meet
� the Minnesoio Pollution Control Agency S-P TEST/N�/l�lC. ;'�
Chapter 7080 & Local Ordinance •
Note : Check al l underground uti 1 ities �y9�d BY� �� b � - �� �
Oo'e L/�i/2C; '�.6�2-497-3566
____ exislinq qrod0
- - - - - --� ---
� � I baCk fillti�min.
, �
� �
-o �
MI i
_ , �
�
I i lo�v,a. . _
L�\'U J L�6
rake sidewalls 8� bottom to i �
remwe smearing -}-
SET- BACKS � a�n�
HOUSE System must be�
�"��"'"�' Tank �� from property lines TRENCH X- SECTION
��'� from wells Ar�o�a� ��t4v So
a� from bidgs.������ �' (min. of two trenches)
_ '°,u, Treatment area �`�from lakes , - streams ,
I Treatment area ��� from properfy lines �1��a�-s
3-iA►�No ES �'+�"-��'" ��from wells
' A��-+�r'`� zv 'from bldgs.
I� �- - !u ' from trees ote�Power supply and switches must be in a weather SOIL BORING ELEVATIONS
; � i proof endosure outside pumping chamber
i
I ,;o min. — - - tt
; ' � _ -
as�.� , ; , , ; ; , � TH I EL. S�o.J
; � ' _
__� p�pe'_--'-"-��-_��--�---,'---; TH.�2 EL. 5�'�
- --- - -��
Tank � �S '- ' � � � -� TH"3EL.-_3�L��1
i Tank ��� ;Q, �Q• 'Q; Grade )�%sbpe "
DroP to Tank �� ��ow "'-`� � "
'�'r'�'���"'` �`�yy�s �Ai least 3� of undisturbed TH. 4 EL.- �y°�.0
� Min. I��to 8� �p,�n,Pi�g earth between irenches TH`5 EL-
Max.l��'to4� �Q�`- �x�s-���`v -rq�"F-S wiL� rr�o Chamber E�EVATION at PROPOSED PUMPING
-n' -�� a�a�o� , �,.-'�� �-f�t�"') s°,�- DROP BOXES 5a�.�
4�to 6��dia.pipe ��� ���\�S �����o� CHAMBER-3�_ (ground elev.)
�-� w�-�co�,. �w�L,}.f r�t �a$,�-933.0
��ub� ,� �, ., ,� �, - q4�..o
SYSTEM DESIGN coSy gqllal«� S� ����� /�Ams " " " " N — °133•U
TYPE�_ ,- BEDROOM - Percolation rafeJo•y min.�nch (design �-1 min./inch) (I.a� sa,��9.,1�dqv�� �
�� ��o'tiA.��w�s a°�o��N.� Avr��uA$�.�- --
Treatment area required w/lo of rock filter material -��o =45�� sq.fi. of trench bottom orea needed =�.l� trench width =� lin.ft.of trench needed , number of drop boxes�
Number of tar�ks required� , Ist iank /oo� gaL, 2nd tankJc�a�gal. minimums �-�o�o�,� (to be determined by the instoller)
Cleon rock— cu.yds. ( 3/4�� to 2 V2��dia. ,includes 2��above pipe ) 2,90 L��.�-r to�o,a. u��u�ssY�� �ava���,� PROPERTY OF�g�'R rFJ:u�"���-
Pumping chamber capacity= 25% of daily sewage flow of(S4. gal.�gal.+Reserve.stange�gal.+ P pe b^ack droinaqo�gaL=��gal, cop. �i-R'o�wiS ��n ��So � [,nt�
I �S � L`�' "CU1 U ZS1..i1?�O f7�09�0 M� �-1'�1-��,C 0
i 1'l�. r o4iw��cw �� C7
; ( Reserve storoge = = gal./ bedroom =�� •yal. r pipe back drainage-� gal./IOOlin.ft.? pipe- length of pipe needed apn �S fl. -�9a1.)
� Pump size ��a hp w/mercury float pump conirols i-��� a��__N��`��_�-�_ ���kl���__��_�-,_�_�_��n_...�A�•
i , -- s-P rEsr�c�r�c
Note � When corzstructing bed - , this area should be shaped Note� Distance from treatment orea to neighboring wells— Designed By=��� , r -�—
to divert run-off from entering treatment area. �'�"�''�"�'�� '�N"`�'� �`���
Dote �L���� , PH. 612-497-3566
� ,
S�P TESTING� 1NC. Steven B. Schirmers • MPCA Cert.No. 627
951 Katydid Lane NE • St. Michael, MN 55376 • (612) 497-3566
FAX • (612) 497-5011
State License#394
LOGS OF SOIL BORINGS
Adams 600 Big Island
Robb 570 Big Island
Figger 580 Big Island
Orono, Henn. Co., MN
Borings completed on 9-24-96, with a hand bucket auger.
�4RING NUMBER 1- EIev.950.1 - MOTTLED SOIL AT 5'10" - No standing water
present in boring.
0 - 10" Topsoil dark brown loam 10YR 3/2
10" - 14" Gray brown loam 10YR 4/2
14" - 34" Brown clay loam 10YR 5/4
34" - 70" Yellowish brown loam w/traces of sand 10YR 6/4
70" - 84" Rusty brown loam to sandy loam 10YR 6/4 - mottles 6/1,6/6
�ORING NUMBER 2- Elev.953.4 - NO MOTTLED SOIL PRESENT IN THE BORING.
0 - 10" Topsoil dark brown loam 10YR 3/2
10" - 30" Brown clay loam 10YR 5/4
30" - 36" Brown loam 10YR 5/6
36" - 72" Yellowish brown loam w/traces of iron staining 10YR 6/4
BORING NUMBER 3- Elev.951.4 - MOTTLED SOIL AT 5'10" - No standing water
present in boring.
0 - 10" Topsoil dark brown loam 10YR 3/2
10" - 20" Brown loam 10YR 5/4
20" - 30" Brown clay loam 10YR 5/6
30" - 70" Yellowish brown loam 10YR 6/4
70" - $4" Rusty brown loam 10YR 5/4 - mottles 6/1,6/6
� r
570, 580 & 600 Big Island, Soil Borings Cont'd.
BORING NUMBER 4- EIev.949.0 - NO MOTTLED SOIL PRESENT IN THE BORING.
0 - 10" Topsoil dark brown loam 10YR 3/2
10" - 16" Brown loam 10YR 5/3
16" - 30" Brown sandy loam 10YR 5/4
30" - 40" Brown loamy medium sand 10YR 5/4
40" - 80" Brown medium sand 10YR 6/3
2
� " y
CERTIFICATION N0.627
STATE LICENSE N0.394
PERCOLATION TEST DATA SHEET
Percolation test readings made by S-P Testing, nc. on 9-25-96 starting at 11:09am•
Test hole location 570, 580& 600 Big Island. Orono
Test hole number�. Date test hole was prepared 9_24_96•
Depth of hole bottom�inches. Diameter of hole 6 inches.
SOII, DATA FROM TE�T HO F
DEPTH,INCHES SOIL TEXTURE
0 - 10" Topsoil dark brown loam
_10" - 14" Gray brown loam
14" - 30"' Brown clay loam
Method of scratching sidewall is k�ife, Depth of gravel in bottom of hole is � inches. Date and hour of initial
water filling 9-24-96, 3:OO.p�.. Depth of initial water filling is 12 inches above the hole bottom.
Method used to maintain at least 12 inches of water depth in hole for at least 4 hours is automatic siphon.
Maximum water depth above hole bottom during test is�inches.
, ---- ----- --
-- --------------- -- _. .
i - --,--- -----
Measurement, Drop in water level, Percolation rate, I �
Time Time interval,min inches inches minutes per inch � Remarks '
, ----
10:55 refi I I 6
---- ---
11:09 11:39 6 2-1/4 13.3 � 30 min �
---�
I
11:46 12:16 6 2-1/4 13.3 30 min �
12:17 12:47 6 2-1/8 14.1 30 min
Percolation rate =��minutes per inch.
� ' � I
CERTIFICATION N0.627
STATE LICENSE N0.394
PERCULATION TEST DATA SHEET
Percolation test readings made by�-P Testing,�on 9-25-96 starting at 11:10am•
Test hole location 570, 580& 600 Big Island, Orono
Test hole number�. Date test hole was prepared 9_24_96•
Depth of hole bottom 30 inches. Diameter of hole�inches.
SOII..DATA FROM TE T HO F
DEPTH,INCHES SOIL TEXTURE
0 - 10" Topsoil dark brown loam
10" - 30" Brown clay loam
Method of scratching sidewall is knife. Depth of gravel in bottom of hole is 2 inches. Date and hour of initial
water �Iling 9-24-96, 3:OOpm. Depth of initial water filling is 12 inches above the hole bottom.
Method used to maintain at least 12 inches of water depth in hole for at least 4 hours is automatic si hon.
Maximum water depth above hole bottom during test is�inches.
—._----- -- — -------
-- - -___ _ --- ----
Measurement, Drop in water level, Percolation rate, I
Time Time interval,min inches inches minutes per inch Remarks
----- -�
10:55 refill 6
11:10 11:40 6 3-5/8 8.3 30 m i n
11:45 12:15 6 3-3/8 8.9 � 30_min_ __ i
12:18 12:48 6 3-1/4 9.2 _ 30 min __�
----�
�
� � I
�---- _ _.�_-- ----1---- ___- -
Percolation rate =8 8 minutes per inch.
� � � �
CERTIFICATION N0.627
STATE LICENSE N0.394
PERCOLATION TEST DATA SHEET
Percolation test readings made by S-P Testing,, Inc. on �-25-96 starting at ll:l lam•
Test hole location 570, 580& 600 Big . land�Orono
Test hole number 3. Date test hole was prepared 9_24_96•
Depth of hole bottom 3�( inches. Diameter of hole�inches.
SOIL DATA FROM TE T HO
DEPTH,INCHES SOIL TEXTURE
0 - 10" Topsoil dark brown loam
10" - 20" Brown loam
20" - 30" Brown clay loam
Method of scratching sidewall is knife. Depth of gravel in bottom of hole is 2 inches. Date and hour of initial
water filling 9-25-96,3:OO�m. Depth of initial water filling is 12 inches above the hole bottom.
Method used to maintain at least 12 inches of water depth in hole for at least 4 hours is automatic siphon.
Maximum water depth above hole bottom during test is�inches.
Measurement, Drop in water level, Percolation rate, �
Time Time interval,min inches inches minutes er inch Remarks
--i
10:55 refi I I 6 I �
11:11 11:41 6 3 10 ___ � ___30min __�
. 11:44 12:14 6 2-7/8 10.4 ' 30 min I
— -- -t-- ---- .___ 1
; j
12:19 12:49 6 2-5/8 10.4 30 min �
------ --- - - __ __ __
---- ---------- --------�
I �� ;
,
-----_—-- ----1-- ---�---- ---
Percolation rate = 10.3 minutes per inch.
� � ' J
CERTIFICATION N0.627
STATE LICENSE N0.394
PERCOLATION TEST DATA SHEET
Percolation test readings made by S-P Testing,_ nc_ on 9-25-96 starting at 11:12am•
Test hole location 570, 580& 600 Big Island,Orono
Test hole number 4. Date test hole was prepared 9_24_y6•
Depth of hole bottom�Q inches. Diameter of hole�inches.
SOIL DATA FROM TE T HO
DEPTH,INCHES SOIL TEXTURE
0 - 10" Topsoii dark brown loam
10" - 16" Brown loam
16" - 30" Brown sandy loam
Method of scratching sidewall is knife. Depth of gravel in bottom of hole is 2 inches. Date and hour of initial
water filling 2-24-96,3:OOpm. Depth of initial water filling is 12 inches above the hole bottom.
Method used to maintain at least 12 inches of water depth in hole for at least 4 hours is automatic si�hon.
Maximum water depth above hole bottom during test is¢inches.
-----
Measurement, Drop in water level, Percotati�on rate, � '
Time Time interval min inches inches minutes er mch ; Remarks '
— ,'
10:55 refill 6 � _ �
�I 11:12 11:42 6 3-1/2 8.6 � 30 min ___�
----i---- -----
� 11:43 12:13 6 3-1/2 � 8.6____ I 30_min �
12:20 12:50 6 --- 3_1/4 -�--9.2 30 m i n _ _
_�
�--------- �
Percolation rate=$,�3 minutes per inch.
� ' ' �
NOTES
� OUTLET TO �. ALL PIPES SFIOULD BE AT LEAST 4-INCH
TRENCIi DIAMETER.
INLET FROM Z. ELEVATION OF INLET AN� SUPPLY LINE ?O
SEP71C TANK NEXT OROP BOX MAY pE ADJUSTED UP OR
OR F'RE�/�OUS r iu�-, '"F r; �
UiN�' lfvX SUf'PLY UNE �'v'.VN �OFt D_'� _. I.UF 1 t .Fl. �AI
f0 NEXT 7RENCFI.
DROP DOx 3. SUGGESTFO 7RENCH I.IOUiD LEVELs (n) 2 iNCf�Es
�+ ABOVE TOP OF OUTLET PIPE IF PERMEAE3LE
SYN1-HETIC FABHIC COVERS ROCK;. (B) AT TOP
- OF OUTLET PIPE IF HAY OR STRAW AND
BVI�DING PAPER COVERS ROGK.
�� q. INVERT OF INI.ET MUST BE AT LEAS? ONE INCH
FIIGIIER THAN INVERT OF SUPPLY F'��'E TO
NEXT OROP BOX.
-� -OUTLET TO
TftENCN 5 TRENCHES MAY OUTLFT C�NE SIOE Oa �OiFI
SIOfS OF I��+nP f30X.
r__.L. ��— ``:�----�--- -L''_`'i f ---�f-..___'�c��,
Y
i SUPFIY ' , -- r��'_. �-INLEI�
--�-- iNI..E � l �7 - LINE i r -SUPPIY LINE
� � 1. _.._._�' � �.�.. I a�i
� �.�._ � i
; 2., � *� i 1 i
1 I"-� T � r _ --t-i �i ._y.-
� I � � i �
� �—� - —OUTLETS—'" --� � `� _ QJTLET TO
TO THENCH � � �
�------- --' �------ - � TRENCH
DROP BOX �
GRAVELLESS TRENCH CONSTRUCTION DETAILS
1 li�" Insp�C:���n
� Inlet Pipe to Next � �/2 Male Well
Dro� Box Adapter
12" Soll Backfill
;> .
Corrugated 7ubing Covered
with Geotexlile F�bri
Drop E3ox
Trench Length = up to 100 Feet
Overtil! to Allow ��S: 1. Bottom ol Irench must be level. T�p
tor Settling oi tubing must be level.
Soil �2• of Soil 2. Scarily 1rQnch bottom �nd sidewalls
� Backlil) � gackfill at leasl 12 inclies above trench bottom
24" ; �
� , to expose nawral soil.
' ' 12"
'.l�i`-_ _ '� 3. For propriclory products consult
Holes located manufacturers pertormance criteria.
24� at 4 and
B O'Clock
� Figure D-33
1 � � � .
�'O
REowoo�, cEoAF� or�
WATER TIGHT 8� LOCKABLE ELECTRIC BOX—� TREATEO POST (4 x 4 min) '
PIUGS OR E�ECTRIC CONNECTIONS---- /—AL� ELECTRIC CONNECTIONS MADE
2' PVC CONDUIT SCHEDULE 80 � INSIDE BOX
MANHOLE COVER CHAINEO 9� LOCKEO 6�SP=� SE�TLEMEN�ER CORD FOR
SEALED MANHOLE RINGS .FINAL GRADE
�' AT LEAST 12� ' �
��� BELOW GRADE
--►
WIRE FROM POWER SUPPIY
- PIPE IS LAID ON A UNIFORM SLOPE FROM
� /±� . FbR PROPER DRAINBACK IL TREATMENT 11REA
SEALED TANK COVER �IF PIPE AT TANK MUST BE LOWER TNAN
UNION. TO GET ELEVATION FOR ORAINBACK,
PLASTIC ROPE OR CHAIN A �/4 INCH WEEP HbLE MUST DE USEO
WITH ANCHOR--� — yyEEP HOLE
ALARM FLOAT ON SEPARATE
EIECTRICAL CIRCUIT
NOTES� ELECTRICAL WIRE FROM POWER SUPPLY
. S�RT �V�,9_ � _ Ml1ST NOT RUN OVER ANY TANKS BUT
-7 r - MUST BE LAID BESIOE OTIIER TANKS
3"J � `� AND N1UST BE PLl10ED IN CONDUIT
ALONG POST _
SHUT=OEF�„EV��Q_ __ _ ELEGTRICAL CORDS FROM PUMP AND
FLOATS MUST BE RUN THROUGH
CONDUIT. WIRES CANNOT HAVE GROUND
PUMP CONTROL F�OAT CONTAGT.
��� :
:
Figure F-8
META� �
COVER
�., _.,�, .� _!�_ '� � ��. _�
�! � � --r) :' � ,
I� t .V:,-
i _�
� I ,�_:. t; i .
i • I > �, �
� � � v r_--.i•.,_ I
� .i" — — -
� :+%' - — — I
CONCRETE �'
MANHOLE ,r's
RING
METHOOS OF SECURING MANHOLE COVER TO PREVENT
UNAUTHORIZED ENTRY
Figure C-14
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