HomeMy WebLinkAbout2014-01088 - new mound system septic CITY OF ORONO * z 0 1 4 - 0 1 0 B B *
2750 KELLEY PARKWAY DATE ISSUED: 10/09/2014
ORONO,MN 55356-
952 249-4600 FAX: 952 249-4616
ADDRESS : 195 KINTYRE LA
PIN : 32-118-23-43-0015
LEGAL DESC : KINTYRE TWO
: LOT 1 BLOCK 1
PERMIT TYPE : SEPTIC
PROPERTY TYPE : RESIDENTIAL
CONSTRUCTION TYPE : NEW
ACTIVITY : MOUND SYSTEM-SEPTIC
NOTE: NEW MOUND SYSTEM
3- 1300 GALLON CONCRETE TANKS
APPLICANT SEPTIC NEW 200.00
STATE SURCHARGE SEPTIC 5.00
HAYES&SONS EXC.INC. TOTAL 205.00
263 82ND STREET S.E.
MONTROSE,MN 55303- Payment(s)
(763)479-1762 CREDIT CARD 5293 205.00
Minnesota State License#:sept-L640
OWNER
Gonyea Homes
6120 GOLDEN VALLEY ROAD
GOLDEN VALLEY,MN 55427-
AGREEMENT AND SWORN STATEMENT
The work for which this permit is issued shall be performed according to
the approved plans and specifications,applicable City approvals,and the
State Building Code. 1'his permit is for only the work described and dces
not grant permission for additional or related work which requires sepazate
permits. All provisions of laws and ordinances governing this type of work
shall be compied with whether or not specified herein.This permit will
expire and become null and void if construction authorized is not
commenced within 180 days of the date of issuance,or if construction is
suspended for a period of 180 days at any time after work has commenced.
The applicant is responsible for assuring all required inspections aze
requested in conformance with the State Building Code.This permit may be
revok time for due cause.
�� � �� / �/ / /[
Appl ant Perm'ee S re Date I By Signature Date
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� RECEIVE;�
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� �t y� Strr�;llc�tfraxs: � M1�tailireg.4ddr�,.: 7 '�t�r��er�e�951�229116Q0
'\� �r 2754Kelley Parkway P,fJ.Hau 66 F Y �S?' J4�a iG'b
�,�q i� U�;i4 N�J '✓a,iSb �ry�t�'' lssy: hiN�S.SZ3 wrv.� .-v r it• ���
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Septic System Permit Application
Please complete this applicaton completely. Failure to fill in all of the required information may
result in a delay of processing your application. Submit this application, a complete copy of the
site evaluation and the design at least 3 working days prior to the projected installation date.
Pro Owner: ��k� �•:� �r�.�S Email:
Mailin Address: - lo �L 7 � ()
--
Phone: Cell: Work: Home:
Des' ner: �5 n lSvr� License# $jU Email: Phone:7 � - �1�/
InstalleNContractor: i� C �-SLicense# (p �Email: Phone�� � � - � �-
Date to be Installed:
Pro Address: g ��� � `�
Existin Se tic S stem E es: Yes No � �
Parcel: (,�no address) C�l�1 /
General Lot Dimensions: Width: De �rsq ft) �
Home T e_ F� � #of Bedroor Water Cond:
� _.._.._----
Garba e Dis sal: > Ho.�_ hir ol:
We7T: Existin New to be installed ...,,., . ue th of Casin :
PROPOSED SEPTIC INFORMATION �L,�y��:�,,,5
Soil Types: � �v✓� w� Sizing Factor: `
Septic: New Replacement Addition Other t�"�'"�`�
Tanks: Q t t p:--�- New �Z� Existing Total � I2�5�
Tank Type e;;��� � Capacity L- I3ov Manufacturer f ,,�,�, ;,,, V
Pump Station: Tank Type ��c:,rc�c Capacity j 3�� Manufacturer 9-v w;'�.. �
e �
(if applicable) Pump Size p � 7� . Type 3(v C�Ph^ Failure Alarm Type (Q���j2.,.� '�
Drainfield Total Length� Total Width � Maximum Depth �,
Trenches w/rock Trench w//chambers U
Rock below pipe 9 in K
Pressure Bed Mound •�`"" Other(explain) �
�
Mound Dimensions: Rock Bed '�u x � ft Absorption Area ��Z x �� ft �„� C r �
Clean Fill below rock bed �inches
Filter: Type '--� Manufacturer — Alarm Type`—
New designs shall adhere to 2008 MPCA standards.
OFFICE USE ONLY
Permit# �/�/-D�O�� Payment Rec'd Zoning District
Field Checked Date Inspected New/Replace
SKETCH: Submit licensed site evaluation, design, sketch and management plan with
application. If substantial changes are made to the design during installation, a new design
must be submitted with the date and designer's signature prior to installation and inspection.
, �� �,'�(�Y�'F�
�� �� '�.
Completed Site Evaluation �7Yes ❑No Date Z - Z3 !`�
./ ..,' r
/ ���;� w� rr � -�.�, �
Completed Design Worksheets iL7Yes ❑No Date
�� � �`�r-�...�
Compliance Inspection ❑Yes �o Date
Management/Monitor Plan C�Yes ONo Date Approved e� � �•- ��L.n-�
�
AGREEMENT: I/We the undersigned, hereby make application for work described and located
as shown herein_ I/We certify that the information contained herein is correct and agree to do
the work in accordance with the provisions of the Orono City Code and the State of Minnesota
MPCA Rules 7080-7084. I/We further agree that any plans, specifications, or drawings
submitted herewith are accurate and shall become part of the application.
_._ _, � ,
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�_ � ____ - �.� �1
Signature of Homeowner or Agent Date
PERMIT: Permission is hereby granted to the above named applicant(s)to perform the work
described in the above application_ Any and all changes to the approved design shall be
reported to the designer and to the permitting agency prior to the completion of the work. This
permit is granted upon the express condition that the person to whom it is granted, and his/her
agent, employees and workers shall conform in all respects to the Orono City Code and the
State of Minnesota 7080—7084 Rules. This permit may be revoked at any time upon violation
of said ordinances and codes. This permit expires on December 31 of the year in which it is
issued. This permit, with all supporting documents, will become a permanent part of the
property records on file at the Orono City Hall.
Communi y Development Director or Designee —�/ pate
Return this Application to:
Physical Address: Mailin_q Address:
City of Orono City of Orono
2750 Kelley Parkway P O Box 66
Orono, MN 55356 Crystal Bay, MN 55323
Phone :952-249-4600 www.ci.orono.mn.us
Fax: 952-249-4616 amack(a�ci.orono.mn.us
Septic Permit—Revised 7/8/2014 Page 2 of 3
RECEIl�ED
��� �� 2014
CI1Y 0�ORONO�
Joseph Olson D.B.A.
Rusty Olson's--Soil and Percolation Testing
Joseph J. Olson--MPCA License#S10
11481 Riverview Rd. NE,Hanover,MN 55341
(763) 498-8779 Fax(763)498-8290
Revised July 23,2014
November 03,2005
Gonyea Homes
195 kintyre Lane
Orono,Hennepin County
This on-site Sewa�e Treatment System is desia ed for a Type 1,Five-Uedroom home in accordance with
the Minnesota Pollution Control Aaency Chapter 7080 and local ordinances.
The periodically saturated soils were located at 18"-32"(mottled soil).Due to the periodically saturated
soils,a pressurized mound system will need to be installed to treat the septic effluent.The bottom of the
treatment area must be located at least 3'aUove the saturated soils.
The soils at a depth of 12"have a percolation rate averaging 6 MPI.
All tanks need to be insulated if there is less than two feet of cover over the top of the tanks.Clean outs
must be installed on the end of the laterals for maintenance.
Use 7/.i2 inch perforations on the laterals.
All nei�hboring wells are greater th� l00' from proposed treatment areas.
A 1300 gallon pumpin�chamber will need to be installed to lift the effluent to the treatment area.Tl�e
power supply and Switches must be located outside the manhole and pumpin�chamber in a weatherproof
enciosure.A warning device must be installed with light and sound devices;this is in case of a pump
failure.The manifold and supply]ine must have back draina�e to the pumpin;chamber.
Keep aH heavv equipment off o1'the proposecl treatment areas before durinQ and after construction
The area around both sites must be fenced off bv the contractor before anv construction be�ins
With proper installation and maintenance,this system should vave no problem in treating septic effluent
effectively.Nothing other than gray water,(laundry,showers,etc.)Human water and toilet tissue should be
disposed of into the septic tanks. Garbage disposals are not recommended.Additives must not be used they
may cause harmful dama�e to your septic system. It is recommended that you pump the septic tanks every
two years.
SincereJ �
�
%
�-- t�r oF oRONa
Joseph J.Olson $E1'TI[�pERMtT PL�1N RBVIEW
TNSPECTOR�
DATB�„r,,,, BRMIT N(�,
PROVED AS 9IlN1dt7'TBp
APPROYED WITH C(NtRF.CTiONtS Ils}QOTBO
����' ,���� NOT A!'t'ROYED�CORR�CT S RESUBNtt
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MinnesotaPollution OSTP Design Summary Worksheet UNIVERSITY " J � ��
r;r �....�� � _-
tontrol Agency OF MINNESOTA '�:;��J
Property Owner/Client: Gonyea Homes Projed ID:��v 06.12.13
Site Address: 195 Kinty�e Lane,Orono,Hennepin County Date:�
1. DESIGN FLOW AND TANKS
A. Design Flow: 750 Gallons Per Day(GPD) Nofe: The estimated design ftow is considered a peak flow rate
including n sofery factor.For long term performance,the average
B. Septic Tnnks: daily ftow is recommended to be<60%of this velue.
Minimum Code Required Septic Tank Capacity: 2250 Gallons,in �Tanks or Compartments
Recommended Septic Tank Capacity: 2250 Gallons,in ��Tanks or Compartments
Efftuent Screen: No Alartn: No
C. Nolding Tanks Only:
Mi�imum Code Required Capacity:�—�Gallons,in ��Tanks
Designer Recommended Capacity:C�Gallons,in ��Tanks
Type of High Level Alarm:
D. Pump Tank 1 Capacity(Cade Minimum):�Gallons Pump Tank 2 Capacity(Code Minimum): �Gallons
Pump Tank 1 Capacity(Designer Rec): �—�Gailons Pump Tank 2 Capacity(Designer Rec): ��Gallons
Pump 1 36.0 GPM Total Head 37.1 ft Pump 2��GPM Total Head �ft
Supply Pipe Dia. 2.00 in Dose Volume:��gal Supply Pipe Dia.C�;n Dose Votume:C�ga�
2. SYSTEM TYPE
Type of Soil Treatmen[and Oispersal Area* r
� hench Q Bed QQ Mound I �Grevlty Distr�utlan QQ Raaae Dlstribution-l.evel Q Pressure Distrbutlon-I.kdevel
Q Drip Q Holding Tank O At-Grade 'Selection Required Benchmark Elevation: 1054.0 ft
Benchmark Location: Topo map
System Type
Type of Distribution Media:
0 Type I ❑Type I{ ❑Type III �Type I V ❑Type V 0 Dreinfietd Rock �Registered 7reatrneM Media:
3. SITE EVALUATION:
A. Depth to Limiting Layer: 24 in 2.0 ft B. Measured Land Slope%: 3.0 %
C. Elevation of Limiting Layer:� 1052.4 D. Soil Texture: Loam—�
E. Loc.of Restricive Elevation: F. Soil Hyd.Loading Rate• 0.60 GPD/ft�
G. Minimum Required Separation:C�in. �ft H. Perc Rate: 6.0 MPI
1. CodeMaximum Depth of System:��9� Comments:
4. DESIGN SUMMARY
Trench Design Summary
Dispersal Area��ftz Sidewall DepthC��n Trench Width���
Total Lineal Feet�ft Number of Trenches� Code Maximum Trench Depth����
Contour Loading Rate��ft Designers Max Trench Depth�—�in
Bed Design Summary
Absorption Area�_�ft2 Media Below PiPe�in Code Maximum Bed Depth�in
Bed Width��ft Bed Length��ft Designers Max Bed Depth�in
Mlnnesota Pollution OSTP Design Summary Worksheet UNIVERSITY ;f� � -�.
- ..� � �;
ControlAgency OF MINNESOTA �;;�,;��;
Mound Design Summary
Absorption Area 625.0 ft� Bed Length 63.0 ft Bed Width 10.0 ft
Absorption Width �z,p ft Clean Sand Lift �,0 ft Berm Width (0-1%)��ft
Upslope Berm Width 10.0 ft Downslope Bertn Width 15.0 ft Endslope Bertn Width 10.0 ft
TotalSystem Length $3.0 ft TotalSystem Width 35.0 ft Contour Loading Rate 12.0 gal/ft
At-Grade Design Summary
Absorption Bed Width�ft Absorption Bed length��ft System HeightC�ft
Contour Loading Rate�gat/ft Upslope Berm Width�ft Downslope Berm Width�ft
Endslope Berm Width�ft System Length��ft System Width��ft
Levei 8 Equal Pressure Distribution Summary
No.of PerForated Laterals� Perforetion SpacinBC�ft Perforation Diameter 7/32 in
Lateral Diameter 2.00 in Min.Delivered Votume��gal Maximum Delivered Votume 188 gal
Non-Levet and Unequal Preswre Distribution Summary
Elevation Pipe Volume Pipe Length Pertoration Size
(ft) Pipe Size(in) (gat/ft) (ft) (in) Spacing(ft) Spacing(in)
Lateral 1 Minimum Delivered Volume
Lateral2
Lateral 3 �Sal
Lateral 4 Ma�cimum Delivered Votume
Lateral 5 C�gal
Lateral 6
5. Additional Info for Type IV/Pretreatment Design
A. Ca(culate the organic loadinq usinq option 1 or 2
1. Organic Loading =Pounds of 80D X Units
��lbs/daY X �_� _ ��lbs BOD/day
2. Organic Loading to Pretreatment Unit =Design F7ow X Estimated BOD in mg/L in the effluent X 835=1,000,000
�]gpd X ��mg/LX 8.35:1,000,000= ��lbs BOD/day
B. Type of Pretreatment Unit Being Installed:
C. Calcutate Soil Treaiment System Organic Loading: lbs.BOD/day:Bottom Area =lbs/day/ft2
C�lbs/day: ��{�'_ ��lbs/day/ftZ
Comments/Special Design Considerations:
I hereby certify that I have compteted this work in accordance with all applicable ordinances,rules and laws.
Joseph J Olson 810 01/00/00
(Designer) (Signature) (License#)
(Date)
� _ OSTP Mound Design UNIVERSITY ' `' `` =
Minnesota Pollution Worksheet >1 % Stope OF MINNESOTA n;'���� `"�
Control Agency �'1.'��
1. SYSTEM SIZING: Project ID: v 06.12.13
a. Design Flow: 750 GPD TABLE IXa
B. Soil Loading Rate: O.GO GPD/ftZ LOADING RATES FOR DETERMINING 807TOM ABSORPTION AREA
AND A850RPTION RATIOS USING PERCOI.ATION TESTS
�Treatment Levet C Trcatment Level A,A•2,B,
C. Depth to Limiting Condition: 2.0 ft
Perwlation tlate �S°rptlon Abwrption
Area Lwding �11Dund Area Loading �"�Ound
D. Percent Land Stope: 3.0 % ��'''� Rac� Abwrpdon Rate �'S°��°"
���ft1� Ratio (���� Ratio
E. Design Media Loading Rate: 1.2 GPD/ft2 .o, . 1 _ �
F. Mound Absorption Ratio: 2.00 0„°s �.2 1 1.6 ,
0�to 5(tine sand 0.6 2 1 1.6
Tabl2 I and toam �ne sand)
�AOUND CONTOUR LOADIPIG RATES: s to�s o.�s �.s 1 �.6
Contour �s to so 0.6 2 0.78 2
Measured ' Tsz[ure-d?rivcd �oad.�o 3�to-0s o.s 2.a o.�e 2
Perc Rato �R mound absorption ratio '
�t°� 46 to 60 0.45 2.6 0.6 2.6
�h0�1p1 1.0, 1.3.2.0, 2.J. 2.5 <�2 61to 120 • 5 0.3 5.3
, >i2o - • - -
61•t 20 mpi oR s.o =t2 kSystems with these values are not Type I systems.
�12o mpi' >5.�• ,,�. Contour Loading Rate(linear loading rate}is a
recommended value.
2. DISPERSAL MEDIA SIZING
A. Calculate Dispersal Bed Area: Design Flow=Design Media Loadin�Rate=ftZ
750 GPD : 1.2 GPD/ft2 = 625 ftZ
If a larger dispersal media area is desired, enter size: 630 ftZ
B. Enter Dispersat Bed Width: 90.0 ft Can not exceed f0 feet
C. Calculate Contour Loading Rate: Bed Width X Design Media Loading Rate
10 ft2 X �•2 GPD/ft� = 12.0 gal/ft Can not exceed Tabte 1
D. Calculate Minimum Dispersal Bed Length: Dispersat Bed Area :Bed Width =Bed Length
630 ft2 ; 10.0 ft = 63.0 ft
3. ABSORPTION AREA SIZiNG
A. Catcutate Absorption Width: Bed Width X Mound Absorption Ratio =Absorption Width
10.0 ft X 2.0 = 20.0 ft
B. For slopes>1%, the Absorption Width is measured downhill from the upslope edge of the Bed.
Catculate Downslope Absorption Width:Absorption Width - Bed Width
20.0 ft - 10.0 ft = 10.0 ft
4. DISTRIBUTION MEDIA: ROCK
A. Media Volume: Media Depth X Length X Width
1.00 ft X 63.0 ft X 10.0 ft= 630 ft3 : 27 = 23 yd3
b. DISTRIBUTION MEDIA: REGISTERED TREATMENT PRODUCTS:CHAMBERS AND EZFLOW
A. Enter Dispersal Media:
B. Enter the Component Length: ��ft Enter the Component Width: C�ft
C. Number of Components per Row=Bed Length divided by Component Length (Round up)
�� ft : �� ft= ��components/row
D. Actual Bed Length=Number of Components/row X Component Length:
�components X �ft = ��ft
E. Number of Rows=Bed Width divided by Component Width (Round up)
�� ft= � ft= r_� �ows Adjust width so this is an who(e number.
F. Total Number of Components=Number of Components per Row X Number of Rows
C� X C� - �components
6. MOUND SIZING
A. Ca(culate Minimum Clean Sand Lift: 3 feet minus Depth to Limiting Condition =Clean Sand Lift
3.0 ft - 2.0 ft = 1.0 ft Design Sand Lift(optional): C�ft
B. Calculate Upstope Height: Ctean Sand Lift +media depth+cover(1 ft.)=Upslope Height
1.0 ft + 1.0 ft + 1.0 ft= 3.0 ft
C. Select Upslope Berm Multiplier(based on land slope): 3.57
Land Slope% 0 1 2 3 4 5 6 7 8 9 10 11 12
Upslope Berm 3:1 3.00 2.91 2.83 2.75 2.68 2.61 2.54 2.48 2.42 2.36 2.31 2.26 2.21
Ratio 4:1 4.00 3.85 3.70 3.57 3.45 3.33 3.23 3.12 3.03 2.94 2.86 2.78 2.70
D. Calculate Upstope Berm Width: Multiptier X Upslope Mound Height =Upslope Berm Width
3.57 ft X 3.0 ft = 10.0 ft
E. Calculate Drop in Etevation Under Bed: Bed Width X Land Slope= 100=Drop(ft)
10.0 ft X 3.0 % = 100= 0.30 ft
F. Calculate Downstope Mound Height: U pslo pe Hei ght+Dro p in Elevation =p o w n s l o p e N e i g h t
3.0 ft + 0.30 ft = 3.3 ft
G. Select Downslope Berm Multiplier(based on tand stope): 4.54
Land Slope% 0 1 2 3 4 5 6 7 8 9 10 11 12
Downslope 3:1 3.00 3.09 3.19 3.30 3.41 3.53 3.66 3.80 3.95 4.11 4.29 4.48 4.69
Berm Ratio 4:1 4.00 4.17 435 4.54 4.76 5.00 5.26 5.56 5.88 6.25 6.67 7.14 7.69
H. Calcutate Downslope Berm Width: Multiplier X Downslope Height =Downslope Berm Width
4.54 x 3.3 ft = 15.0 ft
I. Catculate Minimum Berm to Cover Absorption Area: Downstope Absorption Width +4 feet
10.0 ft +U ft = 14.0 ft
J. Design Downstope Berm=greater of 4H and 41: 15.0 ft
K. Select Endslope Berm Multiplier: 3.00 (usualty 3.0 or 4.0)
L. Catculate Endslope Berm X Downslope Mound Neight =Endslope Berm Width
3.00 ft X 3.3 ft = 10.0 ft
M.Calculate Mound Width: Upslope Berm Width+Bed Width+Downstope Berm Width
10.0 ft + 10.0 ft + 15.0 ft = 35.0 ft
N. Ca(culate Mound Length: Endstope Berm Width +Bed Length + Endslope Berm Width
10.0 ft + 63.0 ft + 10.0 ft = 83.0 ft
�7. MOUND DIMENS(ONS
- -------------------------' —-------- .
,-"� Upstope (4.D) �o.o � �,
, ,
, �
� �
� �
� �
� Endsto e (4.L), Disper-sa( 6ed: (2.6 x 2.C) .� '
� � Endslo e �4.L)
� � �0.0 10.0 X b3.0 � 10.0;
� �
� ; � ,
-a � u �
c � '
�
� ' �
� � 150 '
�� ,
,
� � Downslope (4.J)
.
� ------------------------------------- —--------_
Total Mound Lenath {4.N) s3.0
4"inspection pipe
18"cover on top 15.0
Upslope berm (4.D) Downslo e berm (4.J)
10.0
, 12"cover on sides
(6"topsoil)
Clean sand tift (4.A) 1.0
f'
, _ , I.� ,si_I'. � � �_�il�li i1�7 �I,�.)
L?li�?I.�Ii� t.C�l.�1:`j['!; � - - ... _ ._ �_,- --- 2.0
Absorption Width (3.A) - - - . _ � ------------ --_.
Note: 20.0
For 0 to 1%stopes, Absorption l�Yidth is measured from the Bedequally in both directions.
For slopes >1 0, Absorption �dth is measured downhilt from the upslope edge of the Bed.
Comments:
` OSTP Mound Materials Worksheet UNIVER3ITY `;'.��
Minnesota Pollution OF MCNNESOTA `. �� _
Control Agency -��,��-
ProjectlD: v 06.12.13
A•Calculate Bed(rock)Volume:Bed Length (2.0 X Bed Width (2.B)X Depth=Volume ft3
63.0 f� X 10.0 ft X 1.0 = 630.0 ft3
Divide ft�by 27 ft3/yd3 to calculate�' -
630.0 ft� = 27 - 23.3 yd3
Add 20%for constructability: 23•3 yd'X 11 = 28.0 yd3
B. Calculate C(eon Sand Volume:
Yolume Under Rock bed:Averaqe Sand Depth x Media Width x Media Length=cubic feet
�•2 ft X 10.0 ft X 63.0 ft = 724.5 f�
For a Mound on a slope from 0-1%
Volume from Length=((Upslope Mound Height-1)X Absorption Width Beyond Bed�X M�d Length)
� ft _1) X �-� x ft = �_�
Volume from Width=((Upslope Mound Height-1)X Absorption Width Beyond Bed X Media Bed Width)
�� f t _1, X �� X �ft = ��
Totol C1ean Sand Vofume:Volume from Length+Volume from Wldth+Volume Under Media
l�� rL ' �-� ft3 + �� ft3 = ��{*3
For a Mound on a slope greater tha�1%
Upstope Volume:((Upsfope Mound Height-1)x 3 x Bed Length)�2=cubic feet
(( 3.0 ft -1) X 3.0 ft X 63.0 )+2= 189.0 ft�
Downslope Volume:((Downslope Helght-1)x Downstope Absorption Width x Media Length)+2=cubic feet
(( 3.3 ft-1) X 10.0 ft X 63.0 )+2= 724.5 ft3
Endslope Votume:(Downs(ope Mound Height-7)x 3 x Medio Width=cubic feet
( 3.3 ft-1 ) X 3.0 ft X 10.0 ft = 69.0 f�
Totat C(eon Sand Vofume:Upslope Volume+Downslope Volume +Endstope Votume +Vo(ame Under Medio
189.0 ft� + 724_5 {t3 + b9.0 ft' + 724.5 {��= 1707.0 3
��ft
Divide ft'by 27 ft'/yd3 to calculate cubic yards: 1707.0 ft3 ; 27 - 63,2 yds
Add 20%for constructability: 63.2 yd'X 1.2 = 75.9 d3
Y
t. Calcutate Sondy Berm Vo(ume:
Totvf Berm Volume(opprox):((Avg.Mound Height-0.5 ft topsoil)x Mound Width x Mound Length)*2=cubic feet
( 3•2 - 0.5 )ft X 35.0 ft X 83.0 )+2= 3847.1 f�
Tota!Mound Vo(ume-Clean Sand volume-Rock Volume=cubic feet
3847.i {� _ 1707.0 f� _ 630.0 ft3 - 1510.'1 {�
Divide ft'by 27 ft3/yd'to calculate cubic yards• 1510.1 ft' : 27 = 55.9 yd3
Add 20%for constructabiliry: 55.9 yd3 X �_Z - 67,� d3
Y
D.Calculate Topsoit Materio!Volume:Totaf Mound Width X Tota!Mound Length X.5 ft
35.0 ft X 83.0 ft X 0.5 ft = 1451.8 {Y'
Divide ft�by 27 ft3/yd3 to calculate cubic yards• 1451.8 ft3 = 27 s 53,g yds
Add 20%for constructability: 53.8 yd' x 1.2 = 64.5 d3
Y
� _ OSTP Pressure Distribution ; > }:6,=
• LTNIVERSITY �'t�u ��3 >
Minnesota Pollution Des� n Worksheet �����ti
Control Agency � OF MINNESOTA � ���� 1i'�ti�,'
ProjectlD: v 06.12.13
1. Media Bed Width: �p ft
2. Minimum Number of Laterals in system/zone=Rouded up number of[(Media Bed Width -4) : 3] + 1.
( 10 -4 ) + 1 = �laterals Does not appfy to at-grades
3. Designer Selected Number of Latera(s: ��taterats
Cannot be(ess than line 2 (occept in at-Qrades) � ; ,::--
4. Select Perforation Spocing: 3.0 ft = , f=Y _
r�J a•..�wv� \�]'mW�ML 13"
5. Setect Perforotion Diameter Size: 7/32 �n - n �6-aR.� '
w.��..,..�,..y..�,�, �.,,4,
6. Length of Laterafs =Media Bed Length - 2 Feet.
63 - 2ft = 61 ft Perforation can not be c(oser then 1 foot from edge.
� Determine the Number of Perforation Spc►ces. Divide the Len�th of Laterafs by the PerforQtion Spacing
and round down to the nearest whole number.
Number of Perforation Spoces 61 ft : ��ft = 20 Spaces
Number of Perforations per Latera( is equal to 1.0 plus the Number of Perforation Spaces. Check tabte
8. below to verify the number of perForations per lateral guarantees less than a 10%discharge variation. The
value is double with a center manifotd.
Perforations Per Latero( = 20 Spaces + 1 = 21 Perfs. Per Lateral
�.3�Q�it1R1 NiJR15Bf Of F@i'FOr8h8115 Per LaEera!to fsuarantee<10b 6rcharge Uariats'm
�`.Inch Pertora�ons 71311nch Periaraoons
Pe�{orat�n Spacing IF�tI �P�'Dia�:er pnci-�s) Fe�foratiar�Spxina Pipe�:a.�eter(lnches)
t fl� 1�: Z 3 (Feetl i !+� 1t: 2 3
2 i0 13 18 3Q b0 2 !1 16 21 34 b8
7j� 8 12 16 2E 5-� �� 10 14 20 32 64
3 8 f2 15 25 52 3 9 � 14� 19 30 b0
3/16 lnc6 Perorations 1!8 Irxh Pe►ferat;o�u
Pipe D'u-me,�r(I.�chesl Parforati��5pacir� Pipe Oia.�ter(inchesl
Fe�fo�et?o�S�t�ng(Feet� 1 1Y 11: 2 3 (���tl t t� 1►9 2 3
2 12 t8 2b 46 87 2 2t 33 44 T� 144
7�� f2 17 2; 40 80 2�; 20 34 41 69 135
3 12 16 22 37 15 3 20 29 38 64 128
9• Toto(Number of Perforations equats the Number of Perforations per Latera( muttiptied by the Number of
Perforated Lvtera[s.
21 Perf. Per Lat. X ��Number of Perf. Lat. = 63 Total Number of Perf.
10. Select Type of Manifo(d Connection (End o�Center): � End ❑ Center
11. Select Latera(Orameter(See Table): 2.00 in
� OSTP Pressure Distribution _
Minnesota Pollution Design Worksheet UNIVERSTTY ������.;��
Contro!Agency OF MINNESOTA ""`� -�-�\�-
�
12. Calcutate the SquQre Feet per Perforation. Recommended vQlue is 4-11 ft2 per perforotion.
Does not apply to At-Grades
a. Bed Area = Bed Width (ft)X Bed Length (ft)
10 ft X 63 ft = 630 ft2
b. Square Foot per Perforation =Bed Area divided by the Totat Number of Perforations.
630 ttZ .- 63 perforations = 10.0 ftZ/perforations
13. Select Minimum Average Head: 9.0 ft
14. Select Perforation Dischorge {GPM)based on Table: 0.56 GPM per Perforation
�5• Determine required Ffow Rote by multiptying the Totai Number of Perfs. by the Perforotion Discha�ge.
63 Perfs X 0.56 GPM per Perforation= 36 GPM
16. Volume of Liquid Per Foot of Distribution Piping(Tabte ll): 0.170 Gallons/ft
17. Vo(ume of Distribution Piping =
Table II
_ [Number of Perforated Laterots X Length of Laterals X (Volume of volume of Liquid in
Liquid Per Foot of Distribution Pipin;] p�pe
Pipe Liquid
�� X 61 ft X 0.170 gal/ft = 3i.1 Gallons Diameter Per Foot
(inches) (Gallons)
18. Minimum Delivered Volume=Volurne of Distribution Piping X 4 1 0.045
31.1 gats X 4 = 924.4 Gatlons 1.25 0.078
�.5 0.��0
2 0.��0
mani o pipe` 3 0.380
� 4 U.661 �
i
� ----- ----
pipefrompump _--aea�o�is — � _,
:
lean outs � Maniiold pipe�
, , �
�
, �
1��� J �
alternate location --- --,
of pi e from um `�Alternate IocaGon
of pipe frorn pump
Pi e from um
Comments/Special Design Considerations:
. ' _ OSTP Basic Pump Setection Design
UNIVERSI'T'Y ' ' `- �'
Minnesota Pollution WO('�(Sheet ��'� ��;?
Conirol Agency OF MINNESOTA��a �-;�, �
L��J
1. PUMP CAPACITY Project ID: v 06.12.13
Pumping to Grevity or Pressure Distributton: Q c�aviry �i R�ss,re Setection required
1. If pumping to gravity enter the gallon per minute of the pump: ��GPM (10-45 gpmj
2. If pumping to a pressurized distribution system: 36.0 GPM
3. Enter pump descripfion:
2. HEAD REQUIREMENT$ �crealmmtsqstem
• 6 point ol disU_wyq�e
F. �'� "RV:.
A. Elevation Difference 24 ft
S J��mele�9th
between pump and point of discharge:
oioi p�pe "
m mi��e� .
e, Distribution Head Loss: �ft ---- -
l____I
C. Additional Head Loss: �ft(duetospeciatequipment,ecc.) , `"=`- ^
Table I.Friction Loss in Piastic Pipe per 100ft
Distribution Head Loss
Gravity Distribution = Oft Fiow Rate Pi e Diameter(inches)
(GPMI 1 1.25 1.5 2
Pressure Distribution based on Minimum Average Head 10 9.1 3.1 1.3 0.3
Value on Pressure Distribution Worksheet: �2 �z,g 4.3 1.8 0.4
Minimum Avera e Head Distribution Head Loss �4 17.0 5.7 2.4 0.6
1ft 5ft �6 2�,g 7.3 3.0 0.7
2ft 6ft 18 9.1 3.8 0.9
Sft 7 pgt
20 11.1 4.6 1.1
25 16.8 6.9 1.7
D. 1.Supply Pipe Diameter: 2,0 in 30 23.5 9.7 � 2.�
35 72.9 3.2
2.Supply Pipe Length: 195 ft 4p 16.5 4.1
E. F�iction Loss in Plastic Pipe per 100ft from Tabte i: '�5 20.5 5.0
50 6.1
Friction Loss= 3.32 ft per 100ft of pipe 55 7.3
60 8.6
p, Determine Equivalent Pipe Length from pump discharge to soil dispersal area discharge 65 10.0
point. Estimate by adding 25%to supply pipe length for fitfing loss. Supply Pipe tength �� �� �
(D.2) X 1.25=Equivnient Pipe Length 75 13.0
195 ft X 1.25 = 243.8 ft 85 16.�
95 , 20.1
G. Calculate Supply Fricilon Loss by multiplying Friction Loss Per 100ft (Line E)by the Fquivaleni Pipe Length (Line F)and divide by 100.
5uppty Friction Loss=
3.32 ft per100ft X 243.8 ft = tpp = g.1 ft
H• Tota(Head requirement is the sum of the Elevation Difference (L9ne A),the Distribution Head Loss{Line B),Additional Head Loss(Line C),and the
Supply Friction Loss(Line G)
24.0 ft + 5.0 fc + ��ft + 8.1 ft = 37.1 ft
3. PUMP SELECTION
A pump must be selected to deliver at teast 3Ej.Q GPM(Line 1 or Line 2)with at teast 3]�� feet of total head.
Comments:
LoAs of Soil BorinAs
License#810
Location or Project: Porposed lot 1, Block 1 Mackinnon Hill
Borings made by: Rusty Olson's Soil and Perc testing 9 0/1 812 0 0 5
Classifcation System: AASHO ; USDS-USDS-SCS X ; Unified ;Other
Auger used(check two): Hand X ,or Power_,Flight,Bucket or Probe X_
Boring Number_1_Surtace elevation_1054.3_ Mottled Soil at 2.1_feet
0"-14" Dark brown loarn 10yr3/2 H20 present at X feet
14"-26"Brown loam 10yr4/4
26"-30"Rusty brown loam 9 Oyr5/3
Boring Number 2_SurFace elevation_1054.5._ Mottled Soil at 2.3_feet
0-18"Dark brown loam 10yr3/2 H20 present at_X feet
18"-28"Brown loam 10yr4/4
24"-36"Rusty brown loam 10yr5/3
Boring Number_3_SurFace Eleva#�on_9056.6 Mottled Soii at 2.0_feet
0-12"Dark brown loam 10yr3/2 H20 present at X
12"-18"Brown loam 10yr4/4
1 S"-24"Brown clay loam 10yr5/4
24"-30"Rusty brown loam 10yr513
Boring Number 4_ Surface eleva�ion_1056.6_ Mottied Soii at 2.6_feet
0-14"Dark brown loam 10yr3/2 H20 present at X_
14"-24"Brown loam 10yr4/4 ,
24"-32" Brown loam 10yr5/4
32"-36"Rusty brown loam 10yr6/4
Boring Number 5_Surface eleva#ion_1053.9_ Mottled Soii at 2.0_feet
0-14"Dark brown loam 10yr312 H20 present at X
14"-24"Brown loam 10yr4/4
24"-30"Rusty brown loam 10yr5/3
Boring Number 6_Surface elevation_1056.2_ Mottled Soil at 1.5_feet
0-8"Dark brown loam 10yr3/2 HZO present at X_
8"-18"Brown toam 10yr4/4
18"-30"Rusty brown clay loam 10yr5/3
Percolation Test Data Sheet
Lic.#810
Percolation test readings made by: Rusty Olson's Perc.sta�ting at 8:23 A.M. On 10/29/05
Location: Proposed Lot 1, Biock 1 Mackinnon Hill
Hole number.1
Date hole was prepared: 10l28/05
Depth of hole bottom_12"_inches,Diameter ofi hole_6"_inches.
Soil data from test hole:
Depth, inches Soil texture
0-12" Dark 6rown foam 10yr312
Method of scratching side wall: Knife
Depth of gravel in bottom of hote 2 inches:
Date and hour of initial water filling 10/28/05 At 1:00 P.M. depth of initial water filling 12 inches
above hols 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 tests 6 inches
Time Time Depth Drop in H20 Perc Rate
8:33 9:03 6" 4.5 6.6
9:26 9:56 6" 4.3 7•0
9:57 10:27 6" 4.2 7.1
AVERAGE PERC. RATE 8.9 MPI
Percolation Test Data Sheet
Lic.#8'i 0
Percolation test readings made by: Rusty Olsan's Perc. starting at 8:23 A.M. On 10/29/05
Location: Proposed Lot 1, Biock 1 Mackinnon Hili
Hole number.2 -
Date hole was prepared: 10/28/05
Depth of hole bottom_12"_inches, Diameter of hole_6"_inches.
Soil data from test hofe:
Depth, inches Soil texture
0-12" Dark brown{oam 10yr3/2
Method of scratching side wall: Knife
Depth of gravei in bottom of hole 2 inches:
Date and hour of initial water fiiling 10J28/05 At 1:00 P.M. depth of initial water filling 12 inches
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 tests 6 inches
Time Time Depth Drop in H20 Perc Rate
8:34 9:04 6" 5.5 5.4
9:25 9:55 6" 5.5 5.4
9:58 10:28 6" 5.5 5.4
AVERAGE PERC. RATE 5.4 MPI
Percolation Test Data Sheet
Lic.#810
Percolation test readings made by: Rusty Olson's Perc. starting at 8:23 A.M. On 10/29/05
Location: Proposed Lot 1, Block 1 Mackinnon Hill
Nole number:3
Date hole was prepared: 10/28/05
Depth of hole bottom_12"_inches, Diameter of hole 6"_inches.
Soil data from test hole:
Depth, inches Soil texture
0-12" Dark brown loam 10yr3l2
Method of scratching side wall: Knife
Depth of gravel in bottom of hole 2 inches:
Date and hour of initiat water filling 10/28/05 At 1:00 P.M. depth of initial water filling 12 inches
above hofe bottom.
Method used to maintain at least 12 inches of water depth in hole for at(east 4 hours Automatic Siphon
Maximum water depth above hole bottom during tests 6 inches
Time Time Depth Drop in H20 Perc Rate
8:35 9:05 6" 5_0 6.0
9:24 9:54 6" 4.8 6.2
9:59 10:29 6" 4.7 6.4
AVERAGE PERC. RATE 6.2 MPI
Percolation Test Data Sheet
Lic.#810
Percolation test readings made by: Rusty Olson's Perc.starting at 8:23 A.M. On 10/29/05
Location: Proposed Lot 1, B(ock 1 Mackinnon Hill
Ho(e number:4
Date hole was prepared: 10/28I05
Depth of hole bottom_12"_inches, Diameter of hole_6"_inches.
Soil data from test hole:
Depth, inches Soil texture
0-12" Dark brown loam 10yr3/2
Method of scratching side wall: Knife
Depth of gravel in bottom of hole 2 inches:
Date and hour of initial water filling 10/28/05 At 1:00 P.M. depth of initial water filling 12 inches
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 tests 6 inches
Time Time Depth Drop in H20 Perc Rate
8:36 9:06 6" 4.7 6.4
9:23 9:53 6" 4.6 6.5
10:00 10:30 6" 4.6 6.5
AVERAGE PERC. RATE 6.5 MPI
' UNIVERSITY ��
OF MINNESOTA
.��,
Septic System Management Plan '�
for Above Grade Systems
The goal of a septic system is to protect human health and the environment by properly treating
wastewater before returning it to the environment. Your septic system is designed to kill harmful
organisms and remove pollutants before the water is recycled back into our lakes, streams and
groundwater.
This management plan will identify the operation and maintenance activities necessary to ensure long-
term performance of your septic system. Some of these activities must be performed by you, the
homeowner. Other tasks must be performed by a licensed septic maintainer or service provider.
However, it is YOUR responsibility to make sure all tasks get accomplished in a timely manner.
The University of Minnesota's Septic System Owner's Guide contains additional tips and
recommendations designed to extend the effective life of your system and save you money over time.
Proper septic system design, installation, operation and maintenance means safe and clean water!
Property Owner Gonyea Homes
Property Address 195 Kintyre Lane Property ID 32-118-23-43-0015
system �esigne►- Joseph J. Olson Phone 763-498-8779
system �nstal�er Hayes & Sons Contracting Phone 763-479-1762
Service Provider/Maintainer TB� Phone
Permitting Authority City of Orono Andrew Mack, AICP Phone 952-249-4626
Permit# ZO�4-�O8H Date Inspected
Keep this Management Plan with your Septic System Owner's Guide. The Septic System Owner's Guide
includes a folder designed to hold maintenance records including pumping, inspection and evaluation
reports. Ask your septic professional to also:
• Attach permit information, designer drawings and as-builts of your system, if they are available.
• Keep copies of all pumping records and other maintenance and repair invoices with this document.
• Review this document with your maintenance professional at each visit; discuss any changes in product
use, activities or water-use appliances.
For a copy of the Septic System Owner's Guide,call 1-800-876-8636 or go to http://shop.extension.umn.edu/
http://s ept i c.umn.e du
Version 11/03/2010
- 1 -
U�IIVERSITY Septic System ManagementPlan
_for Above Grade Systems
OF MINNESOTA �,
Your Septic System �.,
❑ ❑ ---��,.
_Manhole ,M bn
D� pD�-,
�� ��
._._;.�-:__:� '
Septictaik .� -. -- -----_ '�,�f'::>.._ "`
-- . .. . .
. �. � _;_-- - ,
.
. —� .
.. - f'•. ,�i I. _. �--. . . . -+-,�r .
________- � y _-v._..' .
Pump _ . - ,,-�: " - -
. =f,'*�.',_:-:,=,yj. :_
r�Awne l•�i.- � ���
.`l�`-__pkrfpetcd
Lataal ckanout--- Pipe�
Cross-seRion ot mound �ambunon media
inspectwn qP�-' � ��{�my fitl ,Y'`-��.
iopmil_._----'-' ,
�-
Vag�Wtlon,_'-' •..• . _'
;Sard•
�n,��uu,r i�uil, � . . . , . - � �- � S�,.n,ni,ui � �-
' , . � . , � '�NatutaF3a�: . lo Ii�ritnQcond�Noa",� .
_ �.j".3aNfahdsollked�dck-�.-,. .�� - � � _
Septic System Specifics
� System is subject to operating permit*
System Type: .QIOII OIIIQIV*Q V* � System uses UV disinfection unit*
(Based on MN Rules Chapter 7080.2200—2400) Type of advanced treatment unit
*Additional Management Plan required
Dwelling Type Well Construction
Number of bedrooms: 5 Well depth(ft):
System capacity/design flow(gpd): 750 �Cased well Casing depth:
Anticipated average daily flow(gpd): 750 �Other(specify):
Comments Distance from septic(ft):
Business? What type? Is the well on the design drawing?QY Q N
Septic Tank
One tank Tank volume: gallons � Pump Tank 1300 gallons
Does tank have two compartments?QY�N ❑ Effluent Pump make/model:
� Two tanks Tank volume: 1300 gallons Pump capacity � hP� GPM
❑ Tank is constructed of TDH Feet of head
Effluent Screen rype: ❑ Alarm location top of tank
Soil Treatment Area (STA)
Mound/At-Grade area(width x length): 37 ft x 89 ft Cleanouts or inspection ports
Rock bed size(width x length): 10 ft x 63 ft Surface water diversions
Location of additional STA: See drawing Additional STA not available
- 2 -
� UNIVERSITY Septic System Management Plan `
for Above Grade Systems
OF MINNESOTA
.L�,.
Homeowner Management Tasks
These operation and maintenance activities are your responsibiliry. Use the chart on page 6 to track
your activities.
Identify the service intervals recommended by your system designer and your local government.
The tank assessment for your system will be the shortest interval of these three intervals. Your
pumper/maintainer will determine if your tank needs to be pumped.
System Designer: check every � months
My tank needs to be checked
Local Government: check every 36 months
State Requirement: check every 36 months eVePy 24 months
Seasonally or several times per year
• Leaks. Check(listen,look)for leaks in toilets and dripping faucets. Repair leaks promptly.
• Surfacing sewage. Regularly check for wet or spongy soil around your soil treatment area. If
surfaced sewage or strong odors are not corrected by pumping the tank or fixing broken caps, call
your service professional. Untreated sewage may make humans and animals sick.
• Alarms. Alarms signal when there is a problem; contact your maintainer any time the alarm
signals.
• Lint filter. If you have a lint filter, check for lint buildup and clean when necessary. Consider
adding one after washing machine.
• Effluent screen. If you do not have one, consider having one added the next time the tank is
cleaned.
Annually
. Water usage rate. A water meter can be used to monitor your average daily water use. Compare
your water usage rate to the design flow of your system (listed on the next page). Contact your
septic professional if your average daily flow over the course of a month exceeds 70% of the
design flow for your system.
• Caps. Make sure that all caps and lids are intact and in place. Inspect for damaged caps at least
every fall. Fix or replace damaged caps before winter to help prevent freezing issues.
• Water conditioning devices. See Page 5 for a list of devices. When possible,program the recharge
frequency based on water demand (gallons) rather than time (days). Recharging too frequently
may negatively impact your septic system.
• Review your water usage rate. Review the Water Use Appliance chart on Page 5. Discuss any
major changes with your pumper/maintainer.
During each visit by a pumper/maintainer
. Ask if your pumper/maintainer is licensed in Minnesota.
• Make sure that your pumper/maintainer services the tank through the manhole. (NOT though a 4"
ar 6"diameter inspection port.)
• Ask your pumper/maintainer to accomplish the tasks listed on the Professional Tasks on Page 4.
- 3 -
' U�IIVERSI7'Y Septic System Management Plan � ��
for Above Grade Systems
OF MINNESOTA
��
Professional Management Tasks
These are the operation and maintenance activities that a pumper/maintainer performs to help ensure
long-term performance of your system. Professionals should refer to the O/M Manual for detailed
checklists for tanks,pumps, alarms and other components. Call 800-322-8642 for more details.
. Written record provided to homeowner after each visit.
Plumbing/Source of Wastewater
. Review the Water Use Appliance Chart on Page 5 with homeowner. Discuss any changes in
water use and the impact those changes may have on the septic system.
• Review water usage rates(if available)with homeowner.
Septic Tank/Pump Tanks
• Manhole lid. A riser is recommended if the lid is not accessible from the ground surface. Insulate
the riser cover for frost protection.
• Liquid level. Check to make sure the tank is not leaking. The liquid level should be level with the
bottom of the outlet pipe. (If the water level is below the bottom of the outlet pipe, the tank may
not be watertight. If the water level is higher than the bottom of the outlet pipe of the tank, the
effluent screen may need cleaning, or there may be ponding in the drainfield.)
• Inspection pipes. Replace damaged caps.
• Baffles. Check to make sure they are in place and attached, and that inlet/outlet baffles are clear
of buildup or obstructions.
• Effluent screen. Check to make sure it is in place; clean per manufacturer recommendation.
Recommend retrofitted installation if one is not present.
. Alarm. Verify that the alarm works.
• Scum and sludge. Measure scum and sludge in each compartment of each septic and pump tank,
pump if needed.
Pump
• Pump and controls. Check to make sure the pump and controls are operating correctly.
• Pump vault. Check to make sure it is in place; clean per manufacturer recommendations.
• Alarm. Verify that the alarm works.
• Drainback. Check to make sure it is operating properly.
• Event counter or run time. Check to see if there is an event counter or run time log for the pump.
If there is one, calculate the water usage rate and compare to the anticipated average daily flow
listed on Page 2.
Soil Treatment Area
• Inspection pipes. Check to make sure they are properly capped. Replace caps that are damaged.
• Surfacing of effluent. Check far surfaced effluent or other signs of problems.
• Lateral flushing. Check lateral distribution; if cleanouts exist, flush and clean as needed.
• Ponding. Check for ponding. Excessive ponding in at-grade and mound beds indicates
problems.
All other components—inspect as listed here:
- 4 -
UN I VERS�Z'Y Septic System Management Plan `
for Above Grade Systems �
OF MINNESOTA
Water-Use Appliances and �,�'
Equipment in the Home
Appliance Impacts on System Management Tips
• Uses additional water. • Use of a garbage disposal is not recommended.
• Adds solids to the tank. • Minimize garbage disposal use.Compost instead.
Garbage disposal . Finely-ground solids may not settle. • To prevent solids from exiting the tank,have your
Unsettled solids can exit the tank tank pumped more frequently.
and enter the soil treatment area. . Add an effluent screen to your tank.
• Washing several loads on one day • Choose a front-loader or water-saving top-loader,
uses a lot of water and may overload these units use less water than older models.
your system. . Limit the addition of extra solids to your tank by
• Overloading your system may using a liquid or easily biodegradable detergents.
Washing machine Prevent solids from settling out in . Install a ling filter after the washer and an effluent
the tank.Unsettled solids can exit screen on your tank.
the tank and enter the soil treatment � Wash only full loads.
area. . Limit use of bleach-based detergents.
• Think even—spread your laundry loads
throughout the week.
• The rapid speed of water entering • Install an effluent screen in the septic tank to
2"a floor laundry the tank may reduce performance. prevent the release of excessive solids to the soil
treatment area.
• Be sure that you have adequate tank capacity.
• Powdered and/or high-phosphorus • Use gel detergents. Powdered detergents may add
detergents can negatively impact the solids to the tank.
Dishwasher performance of your tank and soil . Use detergents that are low or no-phosphorus.
treatment area. . Wash only full loads.
• New models promote"no scraping". . Scrape your dishes anyways to keep undigested
They have a garbage disposal inside. solids out of your septic system.
• Finely-ground solids may not settle. • Expand septic tank capacity by a factor of 1.5.
Grinder pump(in Unsettled solids can exit the tank . Include pump monitoring in your maintenance
home) and enter the soil treatment area. schedule to ensure that it is working properly.
• Add an effluent screen.
• Large volume of water may • Avoid using other water-use appliances at the
Large bathtub overload your system, same time. For example,don't wash clothes and
(whirlpool) • Heavy use of bath oils and soaps can take a bath at the same time.
impact biological activity in your • Use oils,soaps,and cleaners in the bath or shower
tank and soil treatment area. sparingly.
Clean Water Uses Impacts on System Management Tips
High-efficiency • Drip may result in frozen pipes • Re-route water into a sump pump or directly out
furnace during cold weather. of the house.Do not route furnace recharge to
your septic system.
• Salt in recharge water may affect • These sources produce water that is not sewage
Water softener system performance. and should not go into your septic system.
Iron filter . Recharge water may hydraulically • Reroute water from these sources to another
Reverse osmosis overload the system. outlet, such as a dry well,draintile or old
drainfield.
. Water from these sources will likely • When replacing consider using a demand-based
Surface drainage overload the system. recharge vs.a time-based recharge.
Footing drains . Check valves to ensure proper operation;have
unit serviced per manufacturer directions
- 5 -
UN I VERS ITY Septic System Management Plan `�_
for Above Grade Systems
OF MINNESOTA
��
�
Maintenance Log
Track maintenance activities here for easy reference. See list of�management tasks on pages 3 and 4.
Activity Date accomplished
Check frequently:
Leaks: check for plumbing leaks
Soil treatment area check for surfacing
Lint filter: check, clean if needed
Effluent screen: if owner-maintained
Check annually:
Water usage rate (monitor frequency_)
Caps: inspect, replace if needed
Water use appliances—review use
Other:
Notes:
Mitigation/corrective action plan:
"As the owner of this SSTS, I understand it is my responsibility to properly operate and maintain
the sewage treatment system on this property, utilizing the Management Plan. If requirements in
this Management Plan are not met, I will promptly notify the permitting authority and take
necessary corrective actions. If I have a new system, I agree to adequately protect the reserve
area for future use as a soil treatment system."
Property Owner Signature: Date
Management Plan Prepared By: JOS@pIl �. OIS011 Certification# �255
Permittin ,autnor�t : City of Orono - Andrew Mack #8922
�2010 Regents of the Universiry of Minnesota. All rights reserved. The Universiry of Minnesota is an equal opportuniry educaYor and employer.
This material is available in altemative formats upon request. Contact the Water Resources Center,612-624-9282. The Onsite Sewage
Treatment Program is delivered by the Universiry of Minnesota Extension Service and the University of Minnesota Water Resources Center.
- 6 -
' • METRO WEST INSPECTION SERVICES, INC. • 763-479-1720
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