HomeMy WebLinkAboutseptic info ��� .
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� '���;!�"� ��<<'�" G Street Address: Mailing Address:
�9�E Kp4�' 2150 Kelley Parkway P.O. Box 66
Orono, MN 55356 Crystal Bay, MN 55323•0066
To Current Owner: Address: S�� Fz r�d��1� �� �'
City Ordinance 199 requires that each existing on-site sewage treatment system in Orono be inspected every two yeazs.
The an-site sewage treatment system at the above address has been inspected and appears to fall into the categories checked below.
SYSTEM CONFORMITY (1-3): 3
1 "CODE SYSTEM" An ISTS which meets ail the location,design and construction standards ofthe current Orono Municipal Code.
2 "COMPLIANT SYSTBM" An ISTS which does not meet all the location,design and construction standards of thc current Orono Municipal
Code but does meet the Uuee foot separation requirement or two foot requirement for systems installed 1996 or earlier,and which is not failing ar
an imminent threat to public health or safety,
3O"NON-COMPLIANT SYSTEM" A prohibited ISTS;an ISTS located within a designated 100-yesr flood plain,any ISTS which may
or may not meet all the location,design,or construction standards of the current Orono Municipal Code and which is faiting for any reason;and
any ISTS with less ttian three feet of unsaturated soil or sand between the distribution device and the limiting soil characteristics.
TANK CONDITION(5-7): 5
�T mspection indicates:
Pumpout not needed at this time.
6 Septic tanks must be pumped out this year (city code requires tanks to be pumped out once every 3 yeazs.
Tank was last pumped �5'Z$'U S ).
Make sure sentic tanks are qumued throush manhole and not throueh white insaection aipes. This allows for the
proper cleaninQ. Keeo water softner and iron filter discharQe out of septic svstem.
7 Inspection risers missing-tanks could not be inspected. Inspection risers(4"dia.pipe)must be installed in each tank. If
tanks have not been pumped out within the last three years,they should be pumped out now.
D INFIELD CONDITION 8-10 : �
8 Drainfield is dry,no surfacing evident.
9 Some evidence of surfacing,not crirical yet.
10 Drainfield is saturated and visibly discharging untreated effluent to ttie surface. Contact the City Inspector
immediately.Repairs must be completed within 90 days.
C�MMENTS: ��•�:r���c�� �1� 6'�dc�— �t`M��:c��.�- �1t�c� thV)a" �� l�p��Ct�J �y
1�=�\�Zo1c;
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Date of Inspection Matt Bolterman- Septic System Inspector
Note: In the event that this inspection report is used to satisfy the requiroments for a mortgage or other transfer of property,be advised that this report does not guarantee
or certify that an existing sysum will continue to function properly,but is merely an opinion ofthe adequacy ofthe system under current conditions based on the available
information.
Telephone(952)249-4600 • Fax(952)?A9-4616
www.ci.orono.mn.us
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� ��:�i���.� CITY of �RONO
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Mnnic�pal Offices
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� 4'� r�,?�,;� �i Street Addrou: � Mailing Addross: � �
�E$�i�g .2150 Kelley ParkwaY . P.O. Box 66
Orono, MN 55356 Crystal Bay, MN 55323-0066
Owner. ,�n� J��.nSo� . Address: S17 Fe��ale. � /\/ .
Ciry Ordina.nce 199 requires that each existing on-site se�vage treatment system in Orono be inspecced every two yeazs.
The on-site seswage treatment system at ihe above address has been inspected and appears to fall into the categories checked below.
SYSTEM CONFORMITY fl-3): � � '
1 "CODE SYSTEM" Aa ISTS wluch ineetv all tlie lacatio0.daign and coc�s4�udioa standards of the current Orono biunicipal Code,
2 °COi1�'LIANT SYSTEM" An ISTS which does not meet ali the location,daiga and eonstruetion standardt of the currc�nt Orono Municipal
Code but does auet the three foot separalion requirement,and which u not failing or aa immineat threaL to public health or saf.�ty.
�3 'TiON-COMPLIANf SYSTEM" Aprohibited ISTS;an ISTS located witbin a designated 100 year flood plain,any ISTS which may
or may not med all the locatioq design,or coa�tructioa staadacds of the cuae�Orono Muaieipal Code aad which is failiag for aay reawq and
aay ISTS with!ws than tLm fat of unsaturated soil or sand betweea the dis�'bution device aad the limiting soil characteristics.
TANK CONDIT'ION(5-10): 6 . � ' � • �
Tank inspection indicates: .. •
5 Pumpout not needed at this tima
�` Tank must be um ed out this ear q code a ues tanks to be um
�-� p p Y � �t3' 4u p ped out every 3 yea�s. Tank was last pumped I O-I a.-�� �,
7 Solids accumulation in tu�ks is at a critical a aicical lavel Tanks should be pumped out ac soon aa possible.
8 S}stem is discharging W the surface. Tanks must be pumped out within 48 houis to eliminate surface dischuge.
� Inspection risers missing-tanlcs eould not be inspeetad �on risers(4"dia p'ipe)must be uuW(ed in each tank at aext pumpout If tanks
have nut bren pumped out within the last three yeaa,they should be pumped out now.
10 Inspe�Kiun pipe is lacated d'irectly over tank ba81e(does not give aecurate measurement of solids accumulation). If tanks have not been pucsped
out within the l�st three yeacs,they should be pumped out aow.
DRAINFIELD CONDITION fll-14): 1\
1 'Dra�etd"u dry.no surfacing evident �
12 Some evideace of surfacing,not critical yet � � . ' ' � ' •
13 Drainfield'u uturated and vis�ly d'�schacging untreated e@luent to Uu surfaca Contad the City Inspector immediately.Repaus must be
completed within 90 days. .
1# �etd estent and condition unknown.
CONIlv�NTS: S�S�e r. :� �on- c�,�.Al;w� d�c, -ro 1gc.k o� 3 �oc� rpc��-�-o�
b����<� �oA 0� Se�.so�k\ `�-�tc� �-�.6� � Sotro,.. a�- �rc��c,�.e5 Reple.ce b-� �z31 �a►o,
Q� �..p �a�kS .t �.e� �.Av ..o�r bce�. ��n.p� �.,.��.ti �0.5�- 3 vea�S •
��-6-o\ ��G .�..�..�, .
Dace of Inspectioa Se ac S �
p� ystem Inspeetor ,�
Notr: In du event ehat this i�upection repod is used to satisfy the reqniremeats for s atortgage or othc hansfer of property,be advised thai t6is repoR does not guaraatae
or artify that an e�sting sysum will coatimie to fuactioa properly,but is merely sa opinioa of the adequacy of the rystem unda�vrreat condtioas based oa the svallabie
infocautioa
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-- �� T CITY of ORONO
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,t ,+4':�'�?`-�°�G Street Addr�as: MalUna Addross:
'�'�Kp�" 2150 Kelley Pa�kway P.O. Box 66
Orono, MN 55356 Crystal Bay, MN 55323-0066
Owner: Q U f 1�J 0 ` Address: 517 Ferndale Rd. N.
Permit #'s: 6878 Dates: il/16/82 Contractors: Widmar Bros.
(This is [� an existing system ( ] new construction) .
SYSTEM COMPLIANCE (1-3} : 3
1 Code System: Meets or exceeds current City standards in all respects relating to design,
construction, and location. Appears to be operating properly.
2 Compliant System: Does not meet all current City standards for new construction, but in
most respects appears to be designed, located, and constructed in accordance with previous
codes and is functioning properly.
O3 Non-Compliant System: 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 any system with less than three feet of vertical separation between the bottom
of the drainfield and the saturated soil level.
(The saturated soil level is ( ] or is not [ ] ideatified uader this septic systaaa. If the
saturatad soil lmvel is aot i eat fied, thia classification is subjact to ravisioa.)
TANK CONDITION (5-9) : 9
5 Pumpout not needed at this time.
6 Solids accumulation in tanks indicates they should be pumped out this year.
7 System is discharging to the surface. Tanks must be pumped out within 48 hours.
8 Inspection risers missing-tanks could not be inspected. If tanks have not been pumped out
within three years, they should be pumped out and risers installed now.
9� Inspection pipe is located over tank baffle-can not measure solids accumulation. If tanks
have not been um ed out within three years, the sho t now.
10 One or more tanks are cesspoo s, w ic means the septic system is non-comp iant.
(The tanks are [ ] or are aot [ ] vrat.r tiQht or the coadition is [ � unknoma. If the tanks
are aot coafirmed to be watartiQht, this classification is aubject t reviaioa.)
INFIELD CONDITION (11-14) : 11
1 Drainfield is dry, no surfacing evident.
12 Some evidence of surfacing, not critical yet. Repair is not required at this time.
13 Drainfield is saturated and visibly discharging untreated effluent to the surface.
Contact the City Inspector immediately. Repair must be completed within 90 days.
14 Drainfield extent and condition unknown.
POTENTIAL FOR SYSTEM FAILURE: (system age and condition, soils, etc.) : madiwn
CONID�NTS: The septic system is non-compliant, but does not appear to pose an imminent threat to
public health or safety (surface discharge or backup into the dwelling) . The system must be
repaired or replaced by 12/31/2002 or within ninety days of posing an imminent threat to public
health or safety, whichever comes first.
/—��
Date �of Inspection Se ic System Inspector
Note: In the event that this inspection report is used to satisfy the requirements for a
transfer of property, this report does not guarantee that an existing system will continue to
function properly, but indicates the operation of the system under current conditions.
Tdep6one (612) 473-'f357 • FAX 473-0510
CITY OF ORONO �O�
Municipal Offices O O
Post Office Box 66
Crystal Bay, MN 55323-0066 � � ON—SITE 3EWA(iE TREATI�NT
INSPECTION REPORT
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Owner: 111��CN\ _ )�►11��� Address: � 1
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Permit �'s: � Datea: Contractors: el� •
City ordinance number 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 below.
(This is �t an existing system [ ] new construction)
SYSTEM CONFORMITY (1-3):
t "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
without discharging any pollutants into ground or surface waters.
2 "COHFINtMING SYSTEM"-A system which does not meet all the location, design, and construction standards of the
current City Codes, but was installed according to the code in effect at the time of instaltati�, and which
is operating satisfactorily by treating and disposing of the entire current sewage input without discharging
any pollutants into grau�d or surface waters.
3 "NON-CONFORMING SYSTEM"-A prohibited system; a system located within a designated 100-year floodplain; any
system which may or may not meet alt the location, design, and construction standards of the current City
Codes and which is failing for any reason; and an tem with less than 3 feet of unsaturated soil or sand
� between the distribution device and the limiting soi c arac eri . ���.
(The limiting soil characteristic 1�has or [ ] has not been identified'at his time. If the limiting soil
characteristic has not been identiiied, this classification may be subject to revision.)
.
TANK CONDITION (5-10):
inspection indicates:
5 Punpout not needed at this time.
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. Yanks should be punped out as soon as possible.
8 System is discharging to the surface. Tanks must be pumped 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 �n eech
tank at next p�npout. It tanks have not been punped out within the last three years, they should be puqxd
out now.
10 lnspection pipe is located directly over tank baffle (does not give accurate measurement of solids accumulation).
1f tanks have not been p�mped out within the last three years, they should be p�anped out now.
DRAINFIELD CONDITION (11-14):
Dr field inspection indicates:
11 Drainfield is dry, no surfacing evident.
Sane evidence of surfacing, not critical yet.
13 Drainfield is saturated and visibly discharging untreated effluent to the surface. Contact the City Inspector
immediately. Repeirs must be completed within 90 days.
14 Drainfield extent and condition unknown.
LIMITING SITE FACTORS Csloae,setbacks,etc.):
POTEN?IAL FOR SYSTEM FAILURE (decends on soils.water table,etc.): �
COMMENT : / '' �
i
�, Oj�
Date of Inspection ' Sep ic ystem Inspe tor �3�.
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 cert�fy that an existing system will continue to function
properlyi but is merely en opim on of the adequacy of the system under current conditions based on the available
informat�on.
This report must be kept on the premises with the system locstion and punping records.
WHITE COPY/Inspectors File YELLOW COPY/Homeowner
CITY OF ORONO � O�
Municipal Offices O O
Post Office Box 66
Crystal Bay, MN 55323-0066 � � ON—SITE SEWA(�E TREATMENT
� � INSPECTION REPORT
'�� G~
�
9kESH�4
Owner: ��/P� �J�(.'tn� Address:___ ��� ��dl� KGI. ✓v,
Permit �'s: /�e ates: �l`��f�-6� Contractors: �/fL/1�L�1�/Z1�C�-
City ordinance nu�er 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 below.
(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
without discharging any pollutants into ground or surface waters.
"CONfORMING SYSTEM��-A system which does not meet all the location, design, and construction standards ot the
current City Codes, but was 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 without discharging
any pollutants into ground or surface waters.
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 any system with less than 3 feet of unsaturated soil or sand
between the distribution device and the limiting soil characteristics.
(The limiting soil characteristic [ ] has or�has not been identified at this time. If the limiting soil
characteristic has not been identified, this assification may be subject to revision.)
TANK CONDITION (5-10):
Tank inspection indicates:
5 P�ut not needed at this time.
6 Solids accumulation in tanks indicates they should be pumped out this year to help prevent future problems.
7 Solids accumulation in tanks is at a critical level. Tanks should be pumped out as soon as possible.
8 System is discharging to the surface. Tanks must be punped out uithin 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
ta�k at next pumpout. If tanks have not been punped out within the last three years, they should be puiped
� out now.
Inspection pipe is located directly over tank beffle (does not give accurate measurement of solids accumulation).
If tanks have not been punped out within the last three years, they should be punped out now.
DRAINFIEID CONDITION C11-14):
Dr nfield inspection indicates:
1 Drainfield is dry, no surfacing evident.
2 Some evidence of surfacing, not critical yet.
13 Drainfield is saturated and visibly discharging untreated effluent to the surface. Contact the City Inspector
immediately. Repairs must be completed within 90 days.
14 Drainfield extent and condition unknown.
LIMITING SITE PACTORS (slope,setbacks.etc.):
POTENTIAL FOR SYSTEM FAILURE (deaends on soils.water table.etc.): //�y�
7
�iwu
COMMENTS: o�' se c �r�,�s �,,,� lQs� �o� ��7-8'� Ol�c,�iee,l�,�e nLm�.��
Date of Inspection eptic Syst m 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 ex�sting system will continue to function
properly� but is merely an optm on of the adequacy of the system under current conditions based on the available
information.
This report must be kept on the premises with the system locetion and pumping records.
WHITE COPY/Inspectors File YELLOW COPY/Homeowner
� . .
♦
Cuetom Hotnee, Inc
March 23, 2015
From: Joe Mailhot
Denali Custom Homes, Inc.
18352 Minnetonka Blvd.
Deephaven, MN 55391
Cell: 763.452.8347
Email:joem@denalicustomhomes.com
Representing: Steve and Stacia Andersen (Property Owners)
To: Loren Kohnen
Metro West Inspections
689 N. Medina Street
Loretto, MN 55357
Representing: The City of Orono (Septic Inspections Department)
Regarding: 517 Ferndale North, Orono, MN PID# 36-118-23-14-0007
This proposal letter is to request and substantiate the grant of a Variance for a residence at 517 Ferndale
Rd N. in Orono. The Variance requested is to the existing Septic Setbacks as required by the City of
Orono, Ordinance 38 section 58-SO item 2 subsection a. The following is a list of the specific parts, as
shown on the highlighted survey, of the Variance request.
l. Variance from the standard septic tank setback for a wetland of 50' to a setback of 25' for (2)
1500 gallon settling tanks and connecting drain lines as shown on the attached highlighted
survey.
2. Variance from the standard septic tank setback for a wetland of 50' to a setback of 25' for (1)
2000 gallon pumping station tank and pump lines as shown on the attached highlighted survey.
3. Variance from the standard septic soil treatment area setback for a wetland of 50' to a setback of
16' to the east edge of Absorption Field "A" and any connection lines as shown on the attached
highlighted survey.
4. Variance from the standard septic soil treatment area setback for a wetland of 50' to a setback of
16' to the east edge and 34' on the west edge of Absorption Field "B" and any connection lines
as shown on the attached highlighted survey.
This `request for a variance' is for the purpose of constructing a septic system that will service a new
home to be built on this existing lot of record. As indicated on the City of Orono, Resolution of the
City Council #6189, granted CUP of January 22, 2013, the existing house was removed in order to
sell the lot and construct a new home. As stated in the Findings, item #4, subsection a-d, the lot was
found to comply with the comprehensive plan for use, clean fill was used and grades approved from the
City Engineer, property can adequately be served by well and septic, and the Owners' septic contractor
i Y
�
Cuetom Home�, Inc
has submitted a report, which is on file with the City, that the filling on the Property has not impacted
the septic sites. Soil verifications had previously been done and approved for the septic site areas, as of
September 26, 2014.
After laying out the house on the site, establishing the wetland buffer of 25' as required by the
Minnehaha Creek Watershed District (both on-site and on the survey), and indicating the Septic Setback
of 50', as required by the City, we are finding that, not only do we have minimal area for a primary site,
but no adequate area for an alternate site.
As described in the attached letter from Dale Denn, the septic designer, we have done a considerable
amount of field and office analysis to arrive at the best solution for wastewater management. Not only
has he increase the absorption field to a 5 bedroom design (the house is a 4 bedroom), but also increased
the depth of the sand bed and added a timer to effectively regulate the water flow to the mound system.
We find that the reasons listed above and in the attached letter from the septic designer constitute a
hardship on this particular lot and ask that the Variance be granted. If there is anything else you require,
please feel free to contact me.
Sincerely, �
' �.
Joe Mailhot
Denali Custom Homes, Inc.
18352 Minnetonka Blvd.
Deephaven, MN 55391
Cell: 763.452.8347
Email:joem@denalicustomhomes.com
March 19th, 2015
From: Dale Denn
HomeStead Septic
1108 Goldenrod Lane
Shakopee,MN 55379
MPCA License # 583
C: 612-310-7887
Email: � • :
To: Loren Konen
Metro West Inspections
689 N Medina Street
Loretto,MN 55357
Regarding: 517 Ferndale Road Request for Septic System Setback Reduction to a Wetland.
HomeStead Septic has been retained by Denali Homes to design a septic system. There are
particular site `Hardships' in siting a primary septic system that requires a reduction in the City of
Orono minimum setback ordinance to a Wetland. This letter sites the particular hardships per the
request of the Septic Inspector. The requested setback reduction applies to both the Primary
Mound, the Septic Tanks, and the Pump Tank. A setback reduction is also being requested `for the
record' regarding an Alternate Site that has been established and needs a variance to be used if ever
needed..
The setback distance to any one component of the septic system is the 12.5 minimum that has been
allowed and granted by the Minnehaha Watershed Distric� However, after having returned to the
site to re-evaluate and adjust for a 5 bedroom septic system, the actual setbacks are as follows:
(Please refer to the design drawing or the Survey):
The minimum setback distance is 16 feet, in two instances where the dual sandbed is at 16 feet to the
wettand. The other portions of the dual sandbed are 17 and 25 feet from the Wetland.
The minimum setback established in the fietd regarding the Rockbeds is 34 feet. The next minimum
distance to the rockbed is 44 feet. The upper split zone of the Mound has the rockbed atgreater than
50 feet.
The septic tank and pum p tanks could be set at 25 feet to the Wetland. This should work for gravity
feed out of the home and allows the setting of the tanks up in the upper front side of the home making
them more accessible for pumping and maintenance,
Regarding the Mound,the following Hardships were encountered:
1. Being a `Lot of Record' there is limited room in general for the placement of a Mound
Septic that utilizes the best available and least disturbed soils.
2. Length of Contour:
The length of the contour needing to be on the same elevation is not long enough to
accommodate the Mound in one intact unit The Mound has to be split into two equal
parts and set on the landscape at differing locations and elevation. This hardship
requi►-es more space than a single Mound.
3. Degree of Slope:
The slope is fairly steep where the Mound needs to be and thus requires a significantly
bigger`footprint'than a Mound on lesser slopes. A 3:1 final slope grade is the minimum
allowed by the State Septic Code. It will take a longer run downhill by virtue of the
natural slope to meet this ordinance requirement
4. Quality of Soils:
By having the ability to shift the Mound downslope off of the natural ridge that exists,
deeper topsoil is encountered. The tops on hills and ridges generally have less topsoil
due to natural erosion whereas side slopes and toe slopes usually accumulate deeper
topsoil. That is the same situation we have here: less topsoil on the top and shoulder
and more topsoil on the side and bottom areas. It is scientifically proven and
documented that topsoil is much more efficient and effective at treating household
septic effluent than subsoil. In other words, having topsoil underneath a septic system
provides a larger degree of environmental protection of groundwater than sparse
topsoil over subsoil. In this particular case,by having the Mound closer to the wetland,
there is a much higher probability of better treatment of the effluent and thereby more
protection of groundwater and the wetland by being closer to the wetland rather than
further away.
5. Attempts to establish an Alternate Site:
By keeping the split Mound relatively close to where it is proposed with an approved
reduction to the Wetland,this provides enough additional area to maintain an Alternate
site. For the record, a complete Alternate Site Design has been accomplished as an
added measure of planning for worst case scenario.
6. Ability to build Mound bigger than actual number of bedrooms:
For added treatment and protection of groundwater, all attempts have been taken to
build the Mound as big as possible beyond the 4 bedroom home Mound sizing. The final
Mound size established in the field is for a 5 bedroom home.......both the Mound and the
Tanks,etc.
7. Added treatment and protection methods:
A Timer is being installed for ensuring uniform and regulated Mound dosing such that
peak water use will not overdose the Mound at any one time. This gives the system
added treatment efficiency and effectiveness and further protects the groundwater and
the Wetland.
8. Septic and pump tank accessibility for servicing and maintenance:
The setback reduction is also requested for the septic tank and the pump tank. The high
tank manufacturing standards and high quality of tanks today ensures that there is very
little chance of tank leakage. The reduction is requested based on space limitation, to
get gravity feed out of the home, to be able to place the tanks closer to the front of the
home for pumping and servicing, and to ensure that there will be proper fall in the
sewer pipes and the pump lines for drainback to prevent freezing in the winter and
proper flow to prevent pipe clogging.
9. Alternate Site:
The lower portions of the proposed alternate site encroach the wetland to within
approximately 20 feet Would like this cited as approved'for the record' for any future
use if ever need.
Drafted and Submitted by Dale Denn, HomeStead Septic.
Signed and Dated:
DG11,e Dev�.v�, March 19th, 2015
Septic Syste� C�esign
SYSTEM TYPE:
Standard Type I I�ound
Spiit in two components.
SIiE:
517 Ferndale Road N
Orono, MN 55391
DESIGNER:
DALE DENN DCI / Nt�MESTEAD SEPTIC
1 108 GOLDENROD LANE
SHAKOPEE, MN 55379
MPCA LICENSE � 583
CELL: 612 310-7887
EMAIL:
Contact DCI for LUG questions or missing information and INSTALLER for anticipated or
necessary in-field design changes. Installer shal! confer with Designer_ As-Built Forms are the
responsibility of the Installer and Instafler shaii deliver a copy to Designer.
This design is not valid or official untii Locai Unit of Governrnent has pianned reviewed for
code compliance, approved, signed and dated.
Septic Site protection is the responsibifity of Client and must be fenced or roped off for
protection/identification or have naturai protection for this design to remain valid for up to
one year. This Design remains the property of HomeStead Septic until Design has been paid
for and cannot be used for permit application without paid Receipt or invoice being in
possession of applicant.
Clients' acknowledgement of above Design parameters and conditions:
CL'�N? S,GNA.TJR� C?;?E
i hereby certify that I have comp(eted this Design in accordance with ai{ appiicable rules,
ordinances, and iaws.
Dale Denn ll�k p�� 3226 3/19/2015
��SIvNER/DG SiGNATURE AtiPCA CERT!E'CAT!CN = D��E
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INSPECTIUN NOTICE
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ADDRESS � %r ? �Z"ti=.��%�-�� ��'�-'
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� FURTHER CORRECTIONS P.1AY BE REQUiRED = ?��.'."iT r=i."dA���
:; ,�""'1J^�RK S.4�IcF�.CTC3RY: °ROC_�� ..� ?�C'O"�.K�ti
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TO SCHEDULE YOUR [NSPECT(QNS
PLEASE CALL; (763) 479-�720
ivletro West lnspectian Services Inc.
O��ineriCortr, on site: ;
[nspector:�7�i�_ ..�,,...-v-�--
t �� �
_•'7 UR� � �
``," i �`t" OSTP Pretiminary Evaluation Form
� .,.'�;�;;�;�:;�?_a
1.ConYact Information v 12.08.06
Property Ownx/GtenL• Steve Anderson/Deoati Homes Client Phone Nwnber.� �
Maiiing Address Project ID: ; —
Site Address 5t7 Femdate Road Narth.Orono.AW 55391
Parce{ID: 36-118-23-54-0007 la[i[ude�—� Lons[itude�—
Evaluation for system type �r+�.Caravucnm ❑Rryttm�cx Oate ��19,2015
2. Flow Information
Ctient-Provided In wmation
Type(s)of use(alt cnor�pty) ��'Oat ��� ❑�'t�fi'>
No.of bedrooms'(iJ a�plirabfe) 4 � Unfinished space (ft'� Accounted for. —�
No.of resiCen[s in hane ❑2 Adutcs �Chitd�en �Teenagers ❑�re
Existing flov+measurements ❑'!Ps i�f Ya.aaaa,rnaan�s? �no
�G8!D�qf�60�1 J WMCr Soft�fi" �Lon sf�`
Water-using devices(check all tlwt '�-�'��^"�r ��P�' �thef(5D�'��Y)
�A�Y) '`�',Urge BdNR-G`;acum ::J�4�ENoercY Fwnace• —
��a�nery,�ta�ye��b on zna Flow v t�u Tue' •Ciear wa[er source
Wa[er use concerns/check a((thai ❑Faucet.�oiet�eata ,r_+.�r�wk�tnaas or tau��dn:'�r u L�'i-TeJm vrg�yt��eCs �use o+nrm-saae�ia�soap
�DPIY) ❑In-rlome Susu� �No L"eN Saeen �'Frepue�t Enterta�ing d OtA-of-Ta�rn Gues'S
My additiona!current or future uses an thrs parcet(specify 1 No
My non-sewa3e disd�arges io system (specijy) NO
Sewage ejector or 3rinder pump in home? ❑rg n+o
i ackncwtedge the above ts comptete and accurete {Cfient(s)sigrwNre and dotej
Designer-determined Ftnw information
l�Estimated Design Flow(galbns per day) �
Mtitipated waste streng[h values: ����� u y5^s�s'� �=� mg!L
CBOD:�mg/L iT55)��mglL 0&G:�mglL
3. Preliminary Site Intormarion
6(t).Water supply welt(sy witMn f 00 ft of absorpfion area L Ya J�+o
Wel1�s)were Ixated ❑���� ��"�'��I"��� �-%����"�^ Mk Unique WeLt 4d�: �
Depth of welt(s) >100 ft Wel!casing depztr�s) 50 ft Saurce�
Impervian Layer L�'r+o Q ra tf Yes.Define 8 Source: � Required Setbadc: �ft
B(2).Site within Z00 ft of nonc�smunity transient wppiy wNi �=Yg �'-'�"� Source�
B(3).Site within a drinki�water wpply management area ��� ❑� �rce�
B(4).Location of ai4 existing and proposed buildings and improvements on lat(see Site EvoluaYran mt�)
B(5).Buried water wpply pipez within 50 ft of proposed system %�res �f�o
G Lxation of all easements on lot(see Site Eve(uoriwi mc�) Sa�rce Surwy
D.Elevation of wdinary high wafer ieve!(OWHL)-MN DNR(if adjacent to parcel) Na
E.Floodplain desigrwtion and flood eleva[fon NA Source �
F.Determine property lines(see Site Eva(ua[ion map) �saver ❑Pwc wav ❑w�er
Site tocated in a shoreland district:area �-=Y� ��
G.Distance of setbacks u�voem�� �ottvr� �warer su-ov�r�aes
�Otrier Bui�r+4s Q' Eas�*K+xs L'�i wdl(s)
��:i t"f I��:T1-
j =, ,..,_,a```,�_. QSTP Pretiminary Eva[uation Form
N,Soil Survey inicrmatiai(from web soif surrey 1 �`4=e Map Units on Parcei �t22C2 fc 62,124A.L45A, �
L;s;ia^rforms !+hora;r,es Stope Rangeib-tS� �
?arenT maLenats-ctreck aU tt±c:a�,r,:y � Czr,Cform?osition(check o1([ho[ ,a�ty)
iJ T+'CR ��.......a..., __2�;.it':.^.= .—. _..,,�.. .—. _::i'v � �$lxiFR4 �:S7%7t:iCkl ''�'9ZCvaJE �Fc��cf.`y -:p��:^,
i -'i —
;�C.;:�v�n ::rs� .��3eC+xk �'"��,�: .�Deira's�� ,_',SCear.t�err�e +'�`a�,^+a�e '•ce Sc�e
I �
j htinimum bedroci�de�tn:�inches Minimum bedrock depth:�inches
iMaximum bedrak de;.�:�inches Mzximum bedrak depth:�inches
Sept;c Tank.�s;sp2iw,Fieid-Trench(hvd};
Map Unit Ratinqs $eprt Tank,4bserF,r.cn Fietd-At-grade(.M;ti}I
Sert;c Tank A.,�^,o�.ptior Fieid-Mour.d("t.N}I
�_ PreiSminary Soit Arcfile In£crmation(from web soef survey-m� �
Enter informatien here or attact.map and descrption.
kzp Uri( p�'''• �
� �tl� liextur_i�; �!rc�wrc45?� Consss;c-�cc Rrt�ct�o,s Coicr
� � 1
H4fiZIX1 1 � : I
HOfi20S12 i � � ' � �
Horizon 3 � i � �
i �HorizCn 4 � i t
i;erizon�
� i i +
Atap Unit vther
D>p[h ?exture%s� Structurets? Consis_er.ce ResYriciions Coicr
Horiza�7 �
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Horza�2 ' I ' � �
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Horizan 3 � �
Ho(iZon 4 � { i
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I Hor:z�= ; � � � i i
Map Unit ��ef
^rLh Texture(si i.n:cture(s) 'onsisience Resir'ctions Co(cr
HorizG�i
Horizon 2 �
Horizon 3 j � �
NO?'fL�14 { i � i
}fOf1Z0(7 5 I `
Nap Unit Gther
�iepth 'ex[ure�zi S.rsc;ure(s! Ca-�sistence nesCrc:ixs �oier
! i
Horizor,� ' � ' i--I
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HOiizOn L �
Horizan 3 � � � t �
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Horizon 4 � i A —�-- f
korizcn 5 j � i 1
5. Lxat Gorernment U�it information
Name o`�GiJ {City of Ora:iclMeG-o West inspec[=oses LGL'Con.ac: C-er,o-9;2 244-�r 753-479-t?20 I
LGU-ipeci�fic<_et.*,acics Same as 7DE0. More itestric[ive on Weifard Sethack, 50,'oot minimum.
LGU'spe�ci.`Sc Gesign requiremenu �Same as 7�38G:�se^epin_cun;y �
lGU-sYeci`ic instal[ation requirer.;2ns �Same as 7�8�;Fler,er,in Court� ;
� i here6y-:er:�`y tha[i have campieted Ghis wwic in zc��-cancz with ai;appiicable ordinances.ra:es and iaws.
� DateDenn 583 a3f19/t5
jDesigneri �cignaturei iLicense#) (Catel
� �\I��E�SiT��
o� `li��:����T-; OSTP Fietd Evatuation Form
1.Contact informatian Pro!act"D v 12.08.06
Property Ormer/CtieM Steve Anderson/�enali Homes �!12^t Pt'0!12 N:iTD2C
Adhress 517 Ferndate Road t�artF,Orona,M.N�5391
Date 3/19I2015 Yleather Co^oitions� Sunny
2. Uti(ity and Structure fnfiormation
�—�
Utili:y Locatier•s Ide�ti�ied —�rsrare�,e Ca=�= i ! �;,ny�Rrace�n;�n� � {
Pro�*erty Lines :-��+TM�d and AP�xrn'ed�y a�nt �—�ClienCs A�prova!(initiai)
r 6et�rruned but:�ot Approved
i-APPrcs�omate
.:�;orppe�+,y Lirt's St.rvejec7
LocatE ard`1e^fy(see Site Eictuatian mcp)
`Fxisfiny3u°'e:.e> ._ ,.�.�^� ._�use.:ar.s _5�`.�.==-s
3. Site infa�mati�n
Percent S'tope 8 G 13 i S�ope DireCionl East�
Landscape Posit;on Sid2siorz ' Stope Shape Lir,ea� ;
Vegeta;ion type(sj Fiet�Grasses �
E�dence o`cut,`i!„compac'.e�d o-disiurhed areas '�Y� �"'{Q �'locate Pm3s or,Sste EFaluatiron FSap
��sa:ss t�e flo�cir.g o�ru�-on.-,•oten.�a;a`site$u�Ed sado:e u�:Eope�1 s�s:em io divert ra�n and snov+srelt
Identify benchmarks and eEevzt:c�s{Site Evc(uotion Ma,o��Terr:�r�ry�,1�`or desigr. S!ake at t�'_
Proposed soil treatment area adaquate!y protecced =�Y� �tso
4. Generai Soits informat:en
Cr;ginal soits '^'Y� '-r�°
Tyne of coserva:ior :�Sa'.�e �5�;2anr:y ;_Sai3?3
Number of sait obser�ztiors �
Soi!o5servations were conducted'n the proposed system iocation r Y� �Nm
A soil ooservation was made vnthin the most timitir.g area o!the Droposed system -�Y� �'io
Soit boring!og farms compteted and at�ached �4� �`�Q
Perco(atior.tess periormed, :`orms compte,ec�and attached ='`� �'+�
5. Pha<_e I.Reporting Information
Jepth to standir:g waYer �iacnes
�..'1;?C1�,Jd�Eti:CG'St'UCt1.^.^iS5U85
Flood e;evation ifeet
Depih to betlrock jincnes
Depth ta periodically saturated soil 20 ;inches
!.
Maximum depth of system �nches
E?evation at sy�stem bottom 502&103.2 �feet Dif`ererces between soit survey and`ietd evalua:io�
Percctaroc�rate 2b imirlinch
Loadingrate 0.45 igpd:ft�
Contour loadir,g rate �2 gp�l't
Site ava(;tation issues%comments
Site has desigr har�ships. Variance setbac�tc Wetlar.d nc�ded. Se�acco.�npany tetter of nardships to Metro West
Inspectio�s. Que to short contaur,Mound is beirg spii:into two equa{parts,set at d•`fering etevations,each o�e
dosed with its owr pump and timer`or eGuai Gistribution(time dcse,dua:aump se[up).
i i,E'eby ce'tiiy ihat I n3ve ccmp:eted:'i1S WOTt(i"cCCO'Cd�:��W�i~ot;c�Di:cahle ardinances,fL'�25 3^4'tc�Y'S.
Dale Denn 583 Q3i19/i5
iDesignert (Signature� (License=i (Date)
OSTP Qe�i�n Summary Worksheet '��i�� -�:�� �f,:
.., , ...t. i�.;c n f`.. ' � .
Cc;nt;o'� A.;: ,
Propertv Owner/Ciiant: Steve AndersoNDenati Hames ` Project ID:��v 12.OS,Oo
� �
Site Address:l,5?7 Pemdate Road t�or�h,O;ono,MN 5534? Cate:l 3/19i 15
1. DESIGN FLQW AND TAidKS
A. Desigr,r:o�v: ; i5�' —�Gdtlons Per Ddy(GPC} Tlote: The estim.ated design t(ow is considered a�eak ftow�cte
incfuding�safery facter. For(cng term perf�rmance, the avercge
B. Sep,ic Tanks: daity ftow is reccmr?ended to be<�C°�of ihis vatue.
!Y�i�imum Code Required Sepiic Tank Capacity: 225G � Gatta�s,ir� !� �Tanks or Compartments
Recommended Septic Tank Capaci.y:(�J� Gat:ons,in �2 �Tanks or CompaKments
�
Ef`tuent Scree�Ec Atarm? tto �
C. tiotdirtg T�nks Only:
',�fumber Of HOlding Tanks: t —� i��c;''+�i����o�i h�tdtng-z^ks:�GdllOttS
TyFe of H9gh levet Alarm: �
D. Pump Tank t Capacty: ' 2��Gattons ?ump'onk 2 Capacity: �—�vailor.s
I
2. SYSTEM TYPE
Ty�e oi Soil 7rea:Ter,t ar�Cisr�.ersa�hr�= r�YGe cE Distribu.;cn�
:'Tre?�h ..%3E�d �i�;C'J:."^..- '�` pr_•;r.�., � I ^ ^ .-,
1 � . c,i i'. ^�='�
v G2vity DiSVibuticn l•J Pfessure Disu'i��iic^-�e���: .i P;=���D s_rbutic^-U„ el
�L�rio �. . :Tani :��^,tr�s ' ;
`$election Req�ired Se�cF:^n?rk�lev=j �CO ft
Syst�m Tyce � Be�chmark Location:� Stake by site
k
� – i TYpe of�i5tribULior R':edia:
� �-:�I �Tti���� t�–•.rz!�� ❑�)'RRe IV []'yp�`i � � Rock !
�
3. SiTE EVALil.�TlON:
�, Depth. to Limiting Loyer: 20 iin f�.7 �ft E!evation c Locaiion of Limiting Layer: 95.4 `�
r--
B. Minimum re�uired separation::�—��� i 3•� �ft �o�ation:� B" j
j�--
g, tdeasured Aercent Lcnd 5(ope:� 53.0 �:_ G.0 Code Maximum Depth of System: •1b in'
C. SOiI i extun: � Cldy Loam } Perc P.ate: 25 �M?'• 'if value is nega:ive a mcur.d is r�uired
D. Soil Hydrautic Loading Rate: �a•45 ��.Ps�,:f:` 'e. Contour Loading Rate 'z•4 ;GaUf;
4. DESIGN SUMMARY
Trench Dzsign Summary
Dispersal Area ---;ft` Sidewall Depth��in +renc�:b',�iat^�_�in
Total Lineal;eei� �ft 'dumber of Trenches�� Code Maximum Trench Deptn�_�in
Des;ner's h�ox Trench Depth�in
Bed Design Summary
A.bsoration Area���fr'" Media Below Pipe��in Code;^�',aximum 3ed Geptht �in
Bed Width��ft Bed Length��ft Designers Max Sed CepthUin
Moun�Desi3n Summary
r--
Absorption Area to38 fi2 3ed Ler,�th' b3 `t 6ed Width 1p,0 ft
Absorption Widthi �5.0 ft C�ean 5and_fti 1,3 `� Berm Width (slope Q-ii�)��ft
r-- --�
Upslope B2rrn Width g,b ft ocwrstope aerm wi�cr�i z4.3 ft Endslope Berm 4vidt� °b.5 ft
Toia!System Length1 g,.1 �ft Tota;{}�stem�'.`idth q2,q f:
4STP Qesign Summary Worksheet L��,�� �F���I r}
?.'.innc-;<,t,i Poliution i,,}= ��1::�r E5�_!�i.�j
Co�•tro!�^,qa��cy
At-Grade Design Summary
Absorption Bed WidthC—�ft Absorption Bed�ength�_�ft System Height�ft
Absorption Bed AreaC�ftz Upstope Serm width�—�ft Downslope Berm Width�ft
Endslope Bertn width�ft Sysiem Length�it System�Nidth�ft
Leve(Pressure Distribution Summary
No. of Perforated LateratsC3 � Perforation Spat9ng��ft Perfaration Diameter 114 in
Laterat Diameter 1.50 �n Supply Pipe Diameter 2.00 in Minimum Dose Volume���al
Flow Rate 25.0 GPM Tota!Head 25 ft Maximum Dose Votume 187.5 �al
5. Additional Info for Type iVlPretreatment Design
A. Calcutate the orqanic(oading usinq option f or Z
1. Organic Loading =Founds of 80D X Uniis
�_�ibs/day X �—� = C�tbs BOD/day
2, Organic Laadinq te Pretreotment Unit =Design Ftow X Estima[ed 80D in mg/L in the effluent X 8.35=1,000,000
�gpd X �—�mg;L X 8.35=t,D40,Ofl0= �lbs BOD/day
6. Type of Pretreatmer+t Unit Being Instatted:
C. Calculate Soi(Treotment Sysfem Organic loading: lbs. BOD/day:Bottom Areo =tbsldaylftZ
�lbs/day> ��ft2= �lbsidaylftZ
Comments/Speciat Design Considerations:
Mound is sized for a 5 bedroom{75flgpd)one bedroom bigger than actuat bedrooms in home. Mound must be sptit into hatf on account
of short contour. Each half to be i0 x 32'tc have the same amount of lateral len�th. Downstope sand bed is 16 feet. There are 15
inches of differer.ce in etevation between the two rockbeds. Uneven etevation accounted for with dual pump,time dose arrangement in
the pump station. Foitowing Mound desig�is per individua!half unit, (375gpd each}denoting exact dimensions, hoEe sizing,spacing and
number. EaCh unit is identical in atl respects except for stope and overatt footprint size. Slope is 8;�for one unit and 13%for the other.
i hereby certify that i have compteted this work in accordance w(th atl applicable ordinances, rules and laws.
Date Denn 583 C9/22/14
(Designerj (Sig�ature) ttitanse�) (Date?
OSTP Pump Tank Sizin�, Dosing and Float
• ���� � � �� �� �- and Timer Settln� Design �/orksheet :
�v :�>:,,,:-
DETEft.MIME TANK CAPAQTY AND DIMENSIONS Pro;eci!D: v 7z.o&.o�
i. �. Desig.r,•�ic�i/ i.�.is�gr,Sum.tAJ: ���v--jGPD
B. Minimum reGu;red pump tarR capacity' 1"�� Gai C. Recommen�ed pump;a-:,capar.y: j 20CG Gat
MEASURED TANK CAPAC!'!'Y(existing tanksj:
2. �,. f.ec:ang!e area=Length il;X r'lic+th{WI A
� � Vdidt;
�f i X � ,� _ �i_._.-�`t' ', �.
6. Grcie area=3.i4%`+.3.14 X radtus X raci�si i ♦
3.14 X � �� �t ' ��� Ler,g�----t
�, Calcu'tate Galions Per Inch. T�ere are 7S gaitors per cubic r'c,�:. Tnerefcre; muttipty the zrea ��
`rom?.A or i.8, by 7.5 to determir,e:�e eal%ans per foo;�he:a�k no,ds. Ther divioe tna: `,,
number hy 12 to calcu!ate:he ga4ton5 per inch. ~���
�
R��i€S
�i ft` X 7.5 gai?ft' = ?2in%ft = �Ga!tonsa�rinch �
i
0. Calc�ia2e Tota;Tenk Vofvme
Depth from bottam oj iniet pipe co tcnk bottom: 45.75 in
Totu(7ank Vctume =Qea[h from Dottcr,*i of in(et pipe iLi���.A�n�c!t`onsi tnch !Line 2;
�5,75 {� X , 43.8 Gallons?er�-,c.. _ � =+��•��Ga.tor.s
� '
hiANUF.4�-1iRER'S SPECIFSE�TAf�K CAPACITY{when avaita�le):
+ '�oLe:Desigr.caicuiatio�s
3. 4. TankMar�ufac:��er; �B�ov.r�atitSer i
�a-e hased or.t�is spec�fic
3. Tank tJ.odei: � � ��ank.Su6s:itutir,g a
differert tank model;�viil �
C. Capacty r�om manu?acwrer: i 20�0 Gailo•^.s �har.ge the puma f�oa:or
timer settings.Contact '
i �
D. Gaiiors per'r,ch fr�T�manufac.urer; j d��•$-�Gaiions per;nch
designer if char.ges are �
r-� r,ecessary. I
E. LiGuid dePth o:`ta^k rrc�n=.nur'acturer. j 45.8 �i�ch2s
�
DETERhKI�f£QOSi4G YGLUtAE
3• CaiClii3iB Voiume to Cover Pump iTFe�nlei of[h2�ump�;:sc be aF ieasc 4-ir,chas��orn zne bct:o�o�
i^2 ailRl�tank 4 2 inches of wa:e;coverng the pu;^p�s recommerde�j
(Pump ar:d b,ack hei�ht=�inches�X Gat(ons Pe,-trch (2C or 3E)
r��15 -(i� + 2�rchesl X 43.8 Gzliens Per Inch = 7�5 iGa�.lons
`--J
4, Mi�imum r"um,xut vofume -4 X Votume of Dis.ributior,Pipirg: 3��Galions
-iine f7 of�he Pressure Cistri�ution or Cine t i o;Non-tevel
5. Caicuiate Maximum Pumpout Vo±ume �25�a;Cesign Flow}
Des;gn=tow: 1 75G � GPD X 0.25 = 1�?.5 �Gaiicrs
*---�
6. Se(ect o pum�ut volum?that mees ba?h items above iLine 4&Si: � 187.5 �Ga;tc^s
7. Calca!ate Geses PerDrn� _�es�gn Fow=�si�g Yolume � '�olume of Liquid in '
� ?5p �p�Q: ?s7.5 g3! =��o-�Doses j
�1�?t�
8. Czlculate�rainback: r-- ! -�
t A. efa^aererof5upptyP;pe= � � �jinc�,es � Pi�e j 6_ic�U1� �
h '`iza��eet j Diam�ter � Per ��at ;
B. LengL.o`Suppty?iae= � � �
C. Veiume of Liquid Per�ine¢(Foot cJ Pice = C.170 �Ga;ions/rt i (i nchesl {,Gd41C�iS i �
D. vrcinbcck =Le.nSth of Su�pl y Pipe X Volume af LiQuid P=r Li^eat Foot of Pipe ;
i �.L���
� i20 _ X� 0.'70 gal,'fr = 24.4 iGaltens i l .?7 O.G�7�
L
, ��- n.1 i Ci
9. TotQi G�sing Votume =Dosing Votume piu;Drcinbuck ' �:
�` ,87.5 T gat•r 2Q.� gal=��-(Gaitcns � � � 0. 9 7Q ;
70. Minimum Alarm Vc'.ume=Geptn of ai�rm i2 or 3 inchesi X gaito^s per in:h of tar:Sc I 3 ? �}•3��
f 3�in X i �.s ;kal%in = ':'s?.4 Gai{ons ; 4 �.�nl
L
�STP Pump �'ank Sizin�„ Dasing and Ftoat
, -�� . ��>� and Tir�er Settin� �esign Worksheet -
-. -,�
TIMER or DEMANO�LOAT SETTINGS
Select Timer or Demand Oosir.g: �r;Me- ;�T.a-��
A. Timer Settings
11. ReGuired r"!o..�Raie:
A. From Desig,(L;r,e 12 ef Pressure Distributior or line 1Q of Non•Levei'): 25 GPAA 'Note; This vatue must be I
I adjusted after fie(d '
B. Or caicuiated:GPM=Charge in Depth(inj x Galions Per Inch!Time in.ervat in Minutes measuremant&
�� in X I 4-3•8 �gaUin=�min=� GPh+. celwtction. �
i
12. Flow Ra�=iro.m L:r2 11.A cr t 1.6 above. 25 GPM
13. Caicuia:e TIMFR ON settir.g:
Totc(Dosing VotumeJGPM
i 208 j�a( : 2�.0 ��("ii=� 8.3 �As,ir.ti�zs Oti I
�7S. C�icciate Tfh1ER aFF sett:ns: f
�!?ir���tes P2;Q3y!?4AOliDoses F?r Day- 4i;n�tes Qn
� r-----, --+
� t��ni� .- i a.o �dcses,•'day - I $-3 i:�;n = � 35+..7 {�u;;,u:es oF=
�17. PU�^a Cft FiOai-MPaSrr�^�`'Gt.^.�UOtiOT OL i�.'ix: '
C;stcr,ce ro se[Fump Gff Ftoet=Getiors io Lover Pump !Gaiions^rer t�re'n:
� ��=�+•��gdl'" 43.8 gallin = i?.a inches
ib. A!arr�.r!caC-,V:2asu�lr,g�rcm Co?Lom of,ank: i
! Dfs;cnce co set Alarm Flect=Tank Geptirf4kj X 9Q�of Tank Dep[h
Ia5.7� � ir� X 0.90= 41.i75 in
B. DEMA!VD DOSE FLOAT SETTINGS
17. Caicutate Floot Seporotion Distor,ce usi�g Dasing'/otume.
�ctat Dosin3 Vo[ume lGellons Per inch
—�
iI -���l_{ r;n= Inches
;--J
�18. ,::easuring'rom botmm o�ta�<:
� A. Distor,ce to set Pump Ofj F(oo[ =Pum;,and blc:k heig„t+2 inches
� C� �n+ �� in = �inc^es
IB. Gista��ce io se:Pump Or Ffeat=Distonce to SEt Pump-O;J Fioat +Float SeReration Distance
I � ' ;� = j � j� _ �Inches
t__—i �_�
� C. Distence to set A(orm Fto^i =Distance�o set Pump-Qn Ftoat +Alar.m Cepth !2-3 in:h=5�
( j--� ;� - � jn = �inthes
r LCAT SE'CTINGS
' �Edd,AN�Gw�ING ` T:Ih�E�J COSIMG
� � i � �
I — � — �
IA,�rm Dep�. ,. i I Aiarm DepFh 4'� tn
PuTa o� ;-, ;� 18c3 Ga�
�i
Pump Gf` in .: i� ''umP�ff '�7 in 207.9 Ga(
744.6 Ga(
�
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_ (517 Femdale} -
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�taP pro,�ecti�n:�."ieb t�¢�or G�rner ccoi'cffr,a�s:\tiC''i�BA E�^ye 7cs:U7M Zor;�iSN�VG58�
Natural Resources Web Soil Survey 3/21�2015
Conservation Service National Cooperative Soil Survey Page 1 of 3
Soil P,�ap—Hennepin County.Minnesota 517 Femdale
Map Unit Legend
� Hennepin County,Minnesota(MtV053) �
I Map Unit Symbol � Map Unit Name � Acres in AOI � Percent of A01
�22�2 Lester loam,6 to 10 percent 13.5 57.8%
slopes.moderately eroded
L22C2 Lester ioam. 1�to 16 percent 1 5 E 3%
siopes,maderately eroded
L24A Glencoe loam.depressionai.0 1.8 S.0°lo
to 1 percent slopes
L45A. Dundas-Cordcva complex,0 to 5.3 22•9%
3 percent slopes
W Water 1.2 5.0%
_ __, _ ___ _ ._. _
Totals for Area of Interest 23.3 �D0.0°l0
Natural Resources Nleb Soi!Survey 3/21!2015
- Conservation 5ervice National Cooperative Soil Survey Page 3 of 3
Map Unit Description Lester loam. 10 to 16 percent slopes.moderatety eroded—Hennepin 517 Femdale
Gounty,Minnesofa
Hennepin County, Minnesota
L22D2—Lester loam, 10 to 16 percent siopes, moderately
eroded
Map Unit Setting
Nationa/map unit symbol: 2ttc8
Elevation: 690 to 1,840 feet
Mean annual precipifation: 24 to 37 inches
Mean annual air femperature: 43 to 52 degrees F
Frosf-free perivd: 140 to 180 days
Farmland c/assification: Not prime farmiand
Map Unit Composition
�ester, moderately eroded, and simitar soils: 85 pe�cent
Minor components: 9 5 percent
Esfimates are based on observations; descriptions, and transects of the
mapunit.
Description of Lester, Moderately Eroded
Setting
Landforrn: Ground moraines, ground moraines
Landform position (two-dimens+onal): Summit, shoulder, backslope
Landform position (three-dimensional): Interfluve. rise
Down-slope shape: Convex
Across-siope shape: Linear, convex
Parent material: Fine-loamy till
Typical profile
Ap - 0 to 6 inches: loam
Bt- 6 to 38 inches: ciay loam
C- 38 to 79 inches: loam
Properties and qualities
S/ope: 10 to 16 percent
Depth to restrictive feature: More than 80 inches
Natura/drainage c/ass: Weil drained
Capacity of the most limifing layer to transmit water(Ksat):
Moderately high to high (0.20 to 2.00 in/hr)
Depth to water table: About 47 to 63 inches
Frequency of f/ooding: None
Frequency of ponding: None
Ca/cium carbonafe. maximum in profile: 20 percent
Sa/inity, maximum in profite: Nonsaline(0.0 to 2.0 mmhos/cm)
Availab/e water storage in profile: High (about 10.4 inches)
Interpretive groups
Land capabrliry classification(irrigated): None specified
Land capabilify c/assi�cation(nonirrigated): 4e
Hydro/ogic Soil Group: C
Natural Resources Web Soil Survey 3/21/2015
Co�servation Service National Cooperative Soil Survey Page 1 of 2
Map Unit Deseription:Lester loam. 10 to 1 fi Gercent slopes moderately eroded--Hennepin 517 Ferndale
County.Minnesota
Other vegetafive classification: Sloping Upiand, Acid
(G103XS006MN)
Minor Components
Storden
Percent of map unit: 10 percent
Landform: Ground moraines
Landform posrtion (two-dimensiona!): Shoulder
Landform posifion (three-dimensional): Rise
Do�vn-slope shape: Convex
Across-slope shape: Linear
Lester, moderateiy eroded
Percenf of map unit: 3 percent
Landform: Ground moraines, ground moraines
Landform positior� (t4vo-dirnensi�nal): Summit, shoulder; backslope
Landform position (three-dimensional): Interfluve. rise
Do�-vn-slope shape: Convex
Across-slope shape: Linear, convex
Le susur
Percent of map unit: 2 percent
Landform: Ground moraines
Landform position (tvvo-dimensiona!): Toeslope
Landform posrfron (three-dimensional): Dip
Doa•vn-slope shape: Concave
Across-slope shape: Linear
Data Source Information
Soi! Survey Area: Hennepin Gounty, Minnesota
Survey Area Data: Version 10: Sep 16, 2014
Natural Resources Web Soil Survey 3/2112015
Conservation Service National Cooperative Soil Survey Page 2 of 2
Map Unit Descnption: Lester loam.o to 10 perceni slopes,moderately eroded--Hennepir 517 Ferndale
County.(��iinnesota
Hennepin Caunty, Minnesota
L22C2—Lester loam, 6 ta 10 percent slopss, moderately
erocied
Map Unit Setting
National�nap unit symbol: 2ttc4
Elevation: 694 to 1.840 feet
Mean annuat precipitation: 24 to 37 inches
Mean annual air temperature: 43 to 52 degrees F
Frost-free period: 140 to 1 S�days
Farmland classification: Farmland of statewide importance
Map Unit Composition
Lesfer, moderatefy eroded, and simitar soils: 85 percent
Minor components: 15 percent
Estimates are based on observations, descriptions, and transects of the
mapunit.
Dsscription of Lester, Moderately Eroded
Setting
Landform: Ground moraines. ground moraines
Landforrrr position (two-dimensional): Summit, shoulder, backslope
Landform posifion (thres-dimensiona!): Intert1uve. rise
Down-slope shape: Convex
Across-slope shape: Convex, linear
Parent material.� Fine-loamy till
Typical profile
Ap - 0 to 6 inches: loam
Bt- 6 to 38 inches� clay loam
C- 38 to 79 inches: loam
Properties and qualities
Stope: 6 to 10 percent
Depth to resfrictive feature: More than 80 inches
Natural drainage class: �Ne(I drained
Capacity of the most limiting layer to transmit water(Ksat):
Moderately high to high (0.20 to 2.00 in/hr)
Depth fo water table: About 47 to 63 inches
Frequency of flooding.� None
Frequency of ponding: None
Calcium carbonate. maximum in profrle: 20 percent
Salinity, maximum in profile: Nonsaline (0.0 to 2.0 mmhos/cm)
Available water storage in profile: High (about 10.4 inches)
Interpretive groups
Land capabitity classification (irrigated): None specified
Land capability class+frcation (nonirrigated): 3e
Hydrologrc Soil Group: C
Natural Resources VJeb Soil Survey 3/21/2015
Conservation Service National Cocperative Soii Survey Page 1 of 2
Map Unit Description: Lester loam,6 to 10 percent slopes.moderately eroded--Hennepin 517 Ferndale
Ccunty,lJ�innesota
Other vegetative classification: Sioping Upland, Acid
(G103XS006MN}
Minor Components
Storden
Percent of map unit� 10 percent
Landform: Ground moraines
Landform position (two-dimensional): Shoulder
Landform position (three-dimensional): Rise
Down-slape shape: Convex
Across-slope shape: Linear
Le sueur
Percent of map unit: 3 percent
Landform: Ground moraines
Landform position (fwo-dimensional): Toesiope
Landform position (three-dimensional): Dip
Dot�vn-slope shape: Concaue
Across-slope shape: Linear
Hamei
Percent of map unit: 2 percent
Landform: Ground moraines
Landform position (three-drmensianal): Dip
Do�vn-slops shape: Concave; linear
Across-slope shape: Linear
Data Source information
Soil Survey Area: Hennepin County, Minnesota
Survey Area Data: Version 10, Sep 16, 2014
Natural Resources V'Jeb Soii Survey 3/21/2015
-`� Conservation Service National Cooperative Soil Survey Page 2 of 2
� �'�' � ���"�'�'�Ip�}� �STP S�i t �bservat�on Lo�
()�� �f I�'N F�,�()`i'l� Project IU: v 12.Q8.06
Client/ Address: 517 Ferndale Road N, Orono Legal Description/ GPS:
Soit parent material(s): (Check all that apply) L..�outwash C)�acustrine C_l�ocss f.�_17��i � .�Alluvium [_�eedrock L...J Organic Matter
Landsc�pe Position: (check one) I._._�Summft [ ]Shoulder L'.J 6ack/Side Siope �..,�Foot 51ope �_..]Toe Slope Slope shape Liil�df
_ _�._.____._.__._ ---- ---
Vegetation Upland Fietd Grasses Soil surv�y map units L.22c2 Stope`16 8.0 Elevation: 98•1
__ _ __..__�_ -----_.�___�___...__.M__
Weakher Conditions/Time of Day: Afternoon, mostly ctear � Date 09/22/14
Observation#/Location: f31 �bservatior7 Type: Auger
Rock I-------- Structure-----------1
Depth (in) Texture �.r�� � Matrix Color(sj Mottle Color(s) Redox Kind(s) Inciicator(s) -- Sh�pe~ Grade� Consistence�
�-14 Loam <35% 1QYft 212 (�ranular Moderate Friable
14-18 Ctay L�oam <35`IS 10YR 3/3 10yr 2/7.. Btocky Moderate Firm
18-36 Clay L.oam <35% 10YR 3/2 ��Pletions, 51 E3locky Moderate Firm
�teyed
�omments depletions at 20"
I hereby certify that I have completed this w�rk in accordance with all applicabie ordinanGPs, rufes and laws.
Dalo Denn 583 3/•19/2015
(pesigner) (Si�nature) License#) (Date►
Additior�a� So�l Observation Lr��s project ID:
Client/ Address: 517 Ferndale Road N, Orono Legai Description/ GPS:
Soil parent material(s): (Check atl that apply) C.I outwasn �_._�Lacustrine [_]Loess (�_]Till [__�A�luvium �__�E3edrock [_-]Organic Matter
Landscape Position: (check one) [._J Summit [_I Shoulder �. Back/51c1e Slop� ( _ Foot Slope Toe Slope Slope shape Linear
Vegetation Uplancl Fietd Grasses Soil survey map units L22C2 Stope% 8.0 Elevation: 98.9
� ��_._. � ------.�_..___- --- --
Weather Conditions/Time of Day: Aftemon, sunny Date 09�22�14
Observation#/Location: B2 Observation Type: Au�er
Depth (in) Texture Rock Matrix Color(s) Mottle Color(s) Redox Kind(s) Indicator(s) h-------Structure-----------i
Frag. � Shape Grade Consistence
0-8 Loam <35% 10YR 3/2 Granular Moderate Friable
$-18 Sandy Loam �35% 10YR 3/3 10YR 3/2 Blocky Moderate Friabte
18-30 Sandy Loam <35% 10YR 4/4 10YR 3/3 Blocky Moderate Friable
30-40 Sandy Clay �35% 10YR 5/4 7.5YR 6/4 �pncentrations, 54 Btocky Moderate Firm
Loam depletions
Cornments ReDox at 38"
Observation#/Location: B3 Observation Type; Au�er
Depth (in) Texture Rock Matrix Color(s) Mottle Color{s) Redox Kind(s) Indicator(s) I--------Structure---._.___..�
Frag. % Shape Grade Consistence
U-14 Loam <35% 10YR 2/Z Granular Moderate Friable
14-18 Clay Loam <35% 10YR 3/3 10yr 2/2 Btocky Moderate Firm
18-36 Clay Loam <35% 10YR 3/2 Deptetions, S1 Blocky Moderate Firm
Qleved
Cornments ReDox � 20"
�.1�' i�'�':�;����;'� OSTP Soi I Observ�tion La�
t. i�-� 1`i�I N N 1�.'�t►`��;r�; Project I D: v 12.0�.06
Ciient/ Address: 517 Femdale Road N, Orona Le�al Description/ GPS:
Soil parent material(s); (Check all that apply) I..�oucwasn L.]Lacustrine �
(_.�Loess ��]1"i�i �_._.�Ailuvium �..�Bedrock I _I Organic Matter
Landscape Position: (check one) I__..1 summit (,__]shou�der [��Back/Side Slope [.__I Foot s�ope __]Toe sioUe Slope shape Unear
Ve�etation� Upland Field Grasses Soil survey map�mits L22C2 Stope% 13.0 Elcvation: 97.1
L�
Weather Conditions/Time of D�y: Afternoon, mostly sunny Date 09/22/14
Observation #/Location: 64 Observation Type: Auger
Rock I-------- Structure-----------I
Depth (in) Texture Fra % Matrix Color(s) Mottle Color(s) Redox Kind(s) Indicator(s) Shape Grade Consistence
�' ----__._� �
0-14 Loam <35% 10YR 3/2 Granular Moderate Friable
j� Z$ Fine Sandy <35% 10YR 3/3 Btocky Moderate Friable
Loam
28-40 Fine Sandy <35`� 10YR 4/3 Blocky Moderate Friable
Loarn
Sandy Clay Concentrations,
40-50 Loam `�5� 10YR 4/4 7.5YR 6/4 depleCions 51 Eilocky Moderate Firm
Cornments Redox at 38"
I hereby certify that I have completed this work in accordance with all applicable ordinances,rules and laws.
Dale Denn 583 3/19J2015
(Desi�ner) (Signature) (�icense t#) (Date)
`� i4 E�251TY
OSTP P�rc�lat�on Data Sheet � � - �- -
1. Contact infcarmation Project!D: v 12.08.06
t�roperty Owner/Ctient: Steve Anderson
Address: 517 Femdale Road North. Oror±o
enera erca ahon �s ormat�on
Diameter�-8 � ;n Jate prepared and/or soaked: 9121 i 94
1;4ethad of sc,atching sidewatt: Nail in board
4s pre-saak re�uired'? Yes *Not required in sandy soits
„
�{ � SoaK end r���p �hrs o#soak
Soak*start time: i G:C3�AM 1:i{3 PAJ,
time:� �
t�lethod to maintair� i2 ir of w�«r d�ring soak Bins and si han hoses
erca at�on est ata
''est hote: #'i Location: , Prima
�ate reading taken: 9/22/14 Elevation:
Starting time: 9:05 AM Depth"*: 12 inches
Soit Lexture descri tion:
Depth (in) S�it Textu�e `` �2 inches for mounds &at-grQdes,
0-12 Loam depth of absorption areo for trenches &
beds
Start Readin� End r�,eading Perc rate � Differeace
Readin� Start Time L��d Time �� � i Last 3 Rates �'ass
���) { ) t P )
1 �_05 taM 9_37 AM $.00 fa.30 18.8 NA NA
2 9:4Q AM 10:S 5 AM 8.00 6.20 19.4 NA NA
_ _ ____
_ _ _ _
__ __
3 i 0:18 AM 10:5Q AM $.00 6.25 1$.3 6.0 Yes
4
Choser, Percotation Rate for Test Hole#t 19_0 mpi
Additionat percotation test data may be inc[uded on attached pages
Design Percolatian Rate (maximum of atl tests) = 25.OG mpi
I hereby certify that i have completed this worfc sn acco�dan�e wiih aii appiicab3e ordinan;es, n;les and law�s.
Dale Denn 583 03/19/15
(Designer) (Si�nature) License# Date
Add�t�onal Percolation D�t� `��'��` `-���1-��
,��:. • '���iF�`_ _- -
� , '
F'fOJBCt ID:
Test hoie: �2 Lecation: � 517 Ferndale �oad �Jorth. Drona
Yf221i4
Starting time: 4:OQ AN', Depth�*: 12 inches
Soit texture descri tion:
_' t2 in. for maunds & at-grades,
Dept� fin; � Soil Texture deptf►af absorption areo for trenches
� Qnd beds
d-�2 Loam
Start Readin� End Reading Perc rate � Difference !
Reading Start Time �rd Time ?ass
(in} (in} (m i) Last 3 Rates
t 4:1 d L�M 9:40 AM 8.00 6.8G 25.0 NA vA
_ _
2 9:33 AM 1�:04 AM 8.00 6.83 2b.5 NA NA
3 i 0:�8 AM i 0:38 AM 8.00 b.82 25.4 5.6 Yes
4
Chcser PercoEation Rate for Test Noie#2 26.G mpi
Test he1e: �3 Lot3tion: 517 Fernriale Road North, Orono
Date r2ading take�:` 9i22/14 Elevation:
Starting ti�e: 9_00 AM Depth*�: ?2 inches
*' 12 in. for mounds & at-grades,
Soil texture descriptiQn: depth oj absorption orea for�renches
! Depth {ir,} � Soit Texture and beds
0-12 !oam
Start Readi;�g End Readir,� Perc rate % Difference
Reading Start i ime tnd T�me Pass
;;n; ;in) (mpi} L.ast 3 Rates
: 9:15 f1M 9:4� t:t�t 8.C� b.40 18.8 NA NA
� � 9:�0 AM 10:20 �!�i, �.�� �.43 �9.1 NA NA
3 ?0:23 AM 10:50 ArA S.Ct; c.S�J 18.0 5.8 Yes
4 _ __
I
Ch�sen P�rcoiation Rate for Test Hate#3 z9.D m i
,/+ �
, y � j �' �
' �'G''�a� � '�
�.•..,,;,..:�,.,.��;IIi}itOrl OSTP Desi�n Summary Worksheet � � :: s,�,.�
c�nt,o';;�=-�Sr_,
Property QwneNCEient:�St�ve Anders�n,'Denali Homes Rrojeci ID: —�v 12•68.06
Site Addrass:�5'i Fer'Eaate Road NaRh,O�ono,!�N 5�391 � Date: 3�1 R;`15
1. DESiGN FLOW AND TA1VK5
A. Design Fiow: 's75 Gations Per Day(G��} Note: The estimated design ftcw is consid2ged a peok f(ow rate
irctuding a safety fador. For l�ng term perfcrmartce, Che ctverage
B. Septic 7anks: doi(y�law is recommended to be< 60M"of this vatue.
?,�inimum Coee Required Septic Tank�a;�a�ity:j L"t�� � Galicns,in �Taaks or Compartmenu
R2cemmendec Septic Tank Capa�ity: 3�� Gallons,in �7anks or Eompartments
Efftuent Screen&Atarm?# ::o
C. Notding Tanks Oniy:
hlumber of Hol�ing Tanks: L ; Totai Yo!::me of Hcidirg�anks:�Gaitons
Type of High Levet Atarm: � �
D. Fump Tank ? Capacity: ��� GaUons ��m,p Tor.k 2 i.apac�ty_ �jGallons
Z. SYSTEM TYPE
Tyoe of Scii T2ats*�:enr ar�Dspersai A-_a' � �^y�pi DiStrii�u�n`
�Tr2fKh .� 6eJ C MQL'nc.' i.t G2d2 �
r'=; .1 Gavity Di5si6u:ior � '��cre��;��c^-�e,�2: ., r!esx;2 Cis`-�u!:cn-�J^ic�:ei
�� Cr., ��Hotcirg sanl V'G�'� �
`Se[ection Re�uired Benthmaric Elev=� 10� ;ft
System T ype Ser�hmark Location:�—Stake oy site �
� Type of Distribution!,1leaia:
G?yPe I ���e I; ��Y�= „�,�TY'Pe I''1 Q���' Rack �
3. 5lTE EYsiLUAT{ON:
q, u^epth to±rmitrng Lnyer: 20 iir, i.7 ft E:evation tt Lotation af?Tmiting Layer. gb,� �fi
B. Minimum required separatior.:;3�—�i" ��3•4�ft i-etatiCn:i 81
g, Measured Percent Land Stape:`:. i 3.0 �°; D.Q Cod2 Naximum Depth of System: -16 �in'
r---�
C. Soit Texture- � Clay Loam Perc Rate: ; 26 �l�`'�" `zF va�ue is regativa a mc;:�"ss rcyoired
D. Soil Hydrauiic Loadirg Ra�2: �� 6-45 �GPd<ftz E.Contaur Laading Raie 12•Q ,at%`t
4. DESIGN SiltsiM,4RY
Trertch Design Summary
'--� - Trench Width!�in
disper�al Area� yft` Srdewai[Depth��in , I
To�al Lineat Feet�—�ft Numbr of Trenches�—� Cade Maximum Trench Depih --�in
�esigners Max Trench Depth�in
8ed Design Summary
A�s�rptior Area�{ft` Media Below Pipe��in Code Maximum Bed De�th�;in
r------� r---;
Bed�.vidth! ift Eed LengthL ,ft Desigr,e�s?�ax Bed Depih�in
Moans4 Design Sumrnary
Absorptian Area+ 832 Ift2 32d length 32 if} Bed`h�d:h' 10.G ft
Abso.*ption Width� 26.0 �f: CteanSand Lif[ ?_3 ft 5erm Width �s.opeQ-1�o} �rt
Upsto¢e B2m�t Width�� 7,4 �fi Downstop2 Serm Width 28.9�ft Endstope Serm Wid[h ;6.5 f�
Totai Sy�tem Length 65.� jft Tatat 5y�tem Width,�.4 jft
�STP Design Summary Worksheet `�i� riz�►z,-
:'inn,�;r,�.� r,illt�tior, (�; `1 f i�,�.A��(?l:':
CG�tlrO!.;ttC'�C'✓ ..
At-Grade Design Summary
Absorption Bed Width�ft Absorption Bed Length�ft System Height�ft
Absorption Bed Area�ft� Upstope Berm Width�ft Downs[ope Bertn Width�ft
Endslope Berm�'Jidth�ft System Length�ft System Width�ft
Level Pressure Distribution Summary
No. of Perforated Laterals� Perforation Spaci�g�ft Perforation Diameter 1!4 in
l.ateral Diameter �•� in Suppiy Pipe Diameter 2.00 in Minimum Dose Volume�gal
Ftow Rate 25.0 GPM Tatal Head 26 ft Maximum Dose Votume 43J5 gat
5_ Additional Info for Type IY/Pretreatment Design
A_ Calculate the orqanic(oadinq usinq optiat i or 2
1, Organic Loadirtg =Pounds af SOD X Units
�lbs/day X � _ �t5s BOD/day
2. Orgonic Loadrng to Pretreotment Unit =Design Ffaw X Estimated BOD in mg/l in the effluent X 8.35=1,000,000
�gpd X �mg/L X 8.35=1,00O,�OQ= �tbs BOD/day
B. Type of Pretreatmen2 Unit Being instatled:
C. CalculaYe Soil Treatment System Orqanic LoQdinq: lbs. BODlday=Bottom Area =lb5/daylftZ
�tbslday= �ft�_ �ibslday/ft�
CommentslSpeciai Design Considerations:
Mound is sized Yor a 5 bedroom(750gpd)one bedroom bigger than actuat bedrooms in home. Maurzd must be spiit into half pn account
of short contour. Each half to be 10 x 32'to have the same amount of lateral length. Downslope sand bed is 16 feet. There are 15
inches of difference in elevation between the two rockbeds. Uneven elevation accounted for with duat pump,tirrae dose arrangement in
the pump station. Foltowing hAound des9gn is per individual hatf urtit,(375gpd each)denoting exact dimensions,hole sizing,spacing and
number. Each unit is identical in alt respects e�ccept for stope and rnerall footprint size. Stope is 8%for one unit and 13h far the other.
i hereby certify that I have completed this work in accordante with all appticabte ordinances, rules and laws.
Dale Denn 583 09/22/14
(Designer) (Signature) (License#) (Date)
�S�P �ou�d Design Worksheet
_ .i _..;SiTI-
... .. . .-. >1 I Slope _ _ �, _
�_ �.�
1. SYSrEM SfZiNG: Project ID: v 12_08.D6
A. Desigr Ftow: 375 {GPD _ T,Q��,� I)(�
B. Soii Loading Rcte: ��-�5 GPD;ft` �=�l� c�TES CF ^E'cRa�.fN�NG B "f�•: S���F'' ti.:,P.E�
.^.N,7:,35Q^nPT:t,N R:,iIDS USiN�cER�OLx G'+�TES+:
C. DQpth to Limiting Condition: � '.7 �;l �'PT.'.me'(+C L C YtrTi!?�"'Ec'�'
I
"'_�
D. Percent Land Sfope: j `3.0 �,:-_'r"t, "`,s `` � .
?erco�a`�_�f:ate '�.�
(x ..,�.,. :.re�iead.n <a��ad�n-
h
� � Face � ���� `� Fate � � ��;e�
E. Design Media Lcading Rate: �GPD/ft` �,,,;r; F""' , �r;� 3 °
�---, -_--�—
F. Mound Abs�rpLion Ratio{Table IXa}: { 2.6C � - � -
G_Design Contour Loadrng Rate: �.0 GPDJft � ` f ' ' �
-- - t.6
�-. S � _
,_-- --___ ___ _-—--- - ---
� � _� - ..
$ � � ' __ _{ :_ . � =-
��. � G15 =5 i.6 �.�
'Svstems with these vaiues are r,ot Type t svs2em5. Cortour loading Rate(linear
laading rate)is a recosrrnended vatue.
2. DISPERSAL ME�J(A 51[fNG
A. CdE�V(dCe Req�ired Dispersc(8ed Area:Qesign Ffotiv i1.Aj:Qssign h��dia Load=n.e Rate (1.E;=ft2
lr"a ta�ger d�spersat media area !� GPD: '.2a GPDlftj = 313 `ft-
i5 Ct�51�?�,er.ter size: �-��i�
� ��
B. Catcutate Dispers�t Bed Wideh:Contour Looding Rat2 (1-GI ��PSlgR h4edia Locdang Rate (1_E) =Bed Width
�
._... ;t� .- 7.2 gpd/ft` = i0 ft
C. Calcutate Oispersaf Bed Length: Dispersa:Bed��ea ;2.A) :Bed Width l2.B;= 8ed Lensth
3;3 ;�` _ �—�ft = ;� 32 �ft
Q. �nter Disperwt Media: j R�ck �
E. If using a register�d�ro�'uct, enter the Cornponent Leng:h: �in: 12 = ��ft
�.
F. If using a registered product,enter the Com.porent Width: f ��n : 12 = � ft
�
G. Number o�Compor.ents per Row =Bed Cen3£h (2.C1 divided 'ay Component Length (4.J) (Round up1
�� ft : �—� ft= ��comGonents/row
H. Number�`�ev�s = 8ed 4Vidth (2.3�div;deti by Component Width ;4.K) tiRound upf
Adjus[Contcur�ccdi��g Rate ort Design Summary,�age untit this number is o whofs num6er. Note:CLR o;14.8�otlff resutts in 9 foot wide bed.
i —�i fi: �� ft= � i rows
�. Totai Number oj Ccmp�nents =Number of Ccmpcnents��Rcw X NdlmbB?'of ROws
�—�
� � X �� _ ��componencs
3. ABSORRTION AREA S?ZING
Note:Mound setbacks cre measured from the Absorption Areo.
A. Calculate Absorption Width:Bedµ/idth (2.B)X Mouna Absorptron Rotio (1.Fj =Absorption Width
'4.0 �ft X 2.6 = 26.0 ft
�
B. For stopes>i%, t#�e Absorption WidG'� is measured downhitl from the upstope e:ige of ihe Bed.
Catcutate�ewnsiope Absorption Wtdth:Absarption Width (3.A)-8ed Width (�.B} =ft
� 26.0 ft - 1Q_0 fT = 16.Q ft
i
a. �aaur�a siziHc
A. Catcuiate Cieon 5and Lifi: 3 feet minus Depth to Limiting Condition (1.C)=Clean Sand Lsft (1 ft minimum)
3.�J ft - 1.7 ;t = '.'s ft aesign Sand Lift (optionat}: ,�1,3
6. Calcuiate Upslope Height: C'ean Sand Lift (4.Ai-r,:eoia depth +cover (i ft.) =tJpstope Height
?.3 � ft + 0.5 ft + i '.0 Tr = . 2.8 ft
i
� Setect Upstope 3erm Mvltip!ier
(based on tand stopei: � (figure D-34)
D. Catcutate Upslope Berm Width: Muttip(ier (4.t�X Upsloce Mound Height 14.8j=Upstope 8erm Wrdth
2.62 {t X 2.8 ft = 7.4 �ft
E. Ca;cuiaie t3rop in Elevaticn Under&ed:Bed Width �2.8} X tond Stope (1.D): 160=Drop (ft)
� 10.0 ft X 13.0 � = 100= 1.3Q ft
F. Calcutate�wnstope Maund Height:Upstope Neiqh[ �4.61+Drop in Elevocion {4.E) _!?ownslope Height
2.8 ft < � '-s0 � ft = �� 4.1 ift
G Select Downstop_=8erm Muttiptier
(based on lard s(ope): 7•00 ifigure D-34)
H. Calcu!ate Downs(ope Be�m t+ridth:Multiplter {�.G!�'Jowrrstope Height f4.f)=Downs(ope Berm Width
t� 7.� x 4.1 ft = 2&.4 ft
L Catculai�Minimum Berm to Cover Absorpt;on f�rQa: DawTsfope Absorption�Vidth (3.6 or 3.C1+4 ft. =ft
tb.� I ft LL � 4� f2 = i 2Q0 ft
J. Design Downsto�e Bern, =grea[er of 4H and 4i: 28.9 ft
K. Setect En�slope Berm Mu(tipGer: 4.(�J {usuatty 3.0 or 4.Oj
L. Catculate Ends(ope Berm (4.K)X Downslope Mound Height (4.Fj=Endstope Berm Width
4-Cr� tt X � 4.1 ft = 16.5 `t
ld.Catcutate Mound Width: Ups(ope 8erm.Width(4.D} - Bed Wf�th (2.61 =Dowrrstcpe Berm Width (4.J)=ft
;� ft a td.�J I ft { 2$.4 ft = �� ��ft
N. Calcutate Mound Length:Endslope Berrn Width (4.L) +Bed tenqth (Z.C} +Ends(ope Serrri SNidt~ (4.L) =ft
�-�
J i6S � fr - s2.0 ft � � `:6.5 � ft = 65.9 �ft
Commersts:
This is M:ourd H, based on 13="slope.
5. MOUND DIMENSlONS
� ,
v __ _ _, . _
�_?y�5i;:=!��.- �.;.i,
� ; 7,4
i
_ — �— 'ti --�' F:= —.L�:i
+
_; ; t6.5 �0 32 16.5
��
- j � -
— �
= �
- �_
� '
<_ �
; ��_ „��:,�;. ��-- �
_ _ I
i
— t 28.9 '
� �
� ;
� I
- -� �i��c �•� =ti1 �-+.t;� b5.1 ;
i
— �+� e:�i1(!.=r_''iOi�i ;)'i:P
.. .. .. .j`.'� .. �?�
,
�'�C'"--- �._.�;-1 i:.D� � p��, ;r,c��,,;,�� j,z�,,, �:..;, 28.9
.
----- `- {.�""' -
7.4 �- __ - - i�-----_-- --� . _.
-� '� ,� --_` i., , ,; _i �i�i�s
��-� � - �\� ;' t6, to;,,�;ii i
, �. � _
�_,. , �--, \`�``
,- _
; _� ; ,
�,�
_-_ ,
------ _ �
----
�-�--- ---------------- �-
, - ------ .�
,.� ; ------------=�.__;
-�5:-,:-�:,ri.J;,, "ii:lt�l i3..:,t
�l��:�: 26.0
�
_'! � .. . . il��. •�;,'_�'... O', %"l ,,"n-� ���r�.1�U1 :Ci T' =,�il `f��' JnE �UU_ . ,� ___. 'l� C�ClO;�iti.
_. c �=5 . �v'..,5� _^:.� �'O�:'.� G I'lt'.Cl��.., ��. ;!`..� _ •i�'� z�t�' Uj?5�+��>c'' =� =;T tl':E' :7Pi.�.
OSTP Pressure Distributian
��'i I�'L IZ�1 T�`
,•.�,;�,�,�.,<�t.� �����,,����, Design Worksheet �� �I�••:�5��.�
COrlirO� �1�c:'.�Cy.
ProjettiD: v 12.08.06
1. Media Bed Width: 10 ft
2_ Minimum Number of Laterals in systemizone= [(Media Bed Width (Linet) -4)=3] + 1 round up to the neareast whote number+ 7.
{ 10 -4 j; 1 = �laterals
3. Designer Setected Number of Laterals: �taterats
Cannot be tess th¢n line 2(acceot in at-ffrades) --
4. Setect PerforQtion Spacing: 3.0 ft --
_
5. Select Perforation Diameter Size: 1/4 in � - "" � -"�-'
6. Length of Loterafs =Media Bed Length -2 Feet_
-_._� ___ ---- -------- ---------`
32 - 2ft = 30 ft Perforation can rrot be ctaser then 1 foot from edge.
� Determine the Number of Perforation Spaces. Divide the Len�th of L.aterats (Line 6)by the Perjorotion Spocing (Line 4)and
round down to the nearest whote number.
IJumber of Perforation Spnces = 3Q ft .- �ft = t0 Spaces
Number of Perforations per Latera! is equat to 1.0 plus the Number of Perforation Spoces (Line 7). Check tabte below to verify the
$' number of perforations per tatera[guarantees tess than a 10%discharge variation. The vatue is doubte with a center manifold.
Perforafions Per Latera! = 10 Spaces + 1 = 11 Perfs. Per Lateral
9. Toto!Number of Perforations equals the Number of Perforotions per Latera( {Line 8)muttiplied by the Number of
Perforated LQtera(s (Line 3).
11 Pert. Fer Lateral X ��Number of Perf. Laterals = 33 Total Number of Pert.
10. Setect Type of Manifotd Connection (End or Center): L End ❑center
11. Setett Latera!DiQmeter(See Tab(e): 1.50 in
OSTP Pressure Distribution
� \I5,'ERSITl"
..���,�,..s�t�. �=�;��,,.��:�, Design Worksheet , � --. . ., . .._
; .,- :�.-,:-�
i_e«:sai �',f;e �r.•d
12. Calculate the Sguare Feet per PerforQtion. Recommended vafue is 4-1 i ft` per perforation. t
ver'ordre����tc''�a-$2!:;F;:1;
Does not appty to At-Grades i
a, Bed Area = Bed Width (ft)X Bed Length (ft} �e-�orarc��iaTe�e; I
"ead ;r,, - I
i 0 ft X 32 ft = 320 ftZ " ' '
1.0'' v.ic O.si 0.5b v.-� i
� b. Square�oot per Perforatron =Bed Area divided by tne �ctat Number of Perforations (Line 9J.< . 5 �.__ �;; e.;y ;�.y I
32C ft2 - �� p��orations e �.7 ftZ/perforatio�s -=' 0=6 05� �.80 ? C; I
'S C=9 O.E' ��.89 ' i' i
13. 5etect Minirnum Average Head: i�ft �.o c.3: ' o.?? u.=s ,.�a �
�o a.�? o.s� ?.�� + '- I
14. Select Per;oration Discharge (GPM) based on Table: �GPM per Perforation 5.s` ,.;; 0.�3 ,._. .�� �
��• �etermine requtred Ftow Rate by multiplying the To[at Num�er oj Perjorarlons by the �• ;
Perforation Discharge_ _
33 Perfs X 0.7a GPM par Perforatian= 25 GPM " �- �_ ; . � �
16. Votume of Liquid Per Foot of Distribvtion Piping(Tab(e fl): 0.110 Gatlons/ft _ - --� - -
�7, Volcrme of Distrib�tion Piping =
;�eie il
_ [f�umber of Perforated Laterals (Line?)X Length of Laterats (Line 6)X ,
Jofume o€Liquid in
I (Votume of Liquid Per Foot of Dist�bution Piping (Line ib}] �Pe
� Pipe Liquid
i � X 30 , ft X 0.110 gaUft = 9.9 Gatlons
Diameter ?er Foat
� 18. Minimum Dose=Votume of Dist�hution Piping (Line 17J X 4 (inches} (Gallons)
i Q.045
9.9 gats X 4 = 39.5 �Gatlons � 2� � fl�8
i.5 �.ii0
; ra�i-�d pipe� � 2 0.170
� � i 3 0.3 80
i � I � O.b61
� � t
I p`pe trom pump i
� : ._ �;t� � l
; ; �
�lean oc*s e � � i
� i .,=�.,::;:::.
I � �° �
s
� aiternate i�cation� �
i I
a��i�frcm p�mq f I
( `r,.,'. ,^� I
I ' - �
Comments/S�Setia[ Design Considerations:
OST� Basic Pump Setection Design _
� .� . ,.
. .�,�:. :� � ,,,�� .�., Worksheet . _ .: �. ., . .
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1. PUMP CAPACITY Project ID: v�2.�8.Ob
�umping to Grav�ty or Pressure Distributio�: �;�<�;ry �a�a�,�e Selection required
1. if pumping to�ravity enter the gatlon per minute cf the pump_ j—�uPM (?�-45 gpmi
2. !f pumping fo a pressurize6 distribution sy5tem: � 25.0 �GPM
iune iF of Prezu:re Distribudan) � " . . � . �..
�
2. H_AD REQUtREMENTS " =`'='-`'
f;. Eievation D�fference ��18 �ft 1 -—,
' ___..__ .•--..
betweer pump and Goint of discharge: ��- - ' ,
B. Distr.bution Head Loss: � ��ft �-'
� ---�--------------- -------�------------
C. Additionat Head Lass� � Eft idue ta s�eciat equipmen[,etc.)
! �aole ?.Fnctic^ t.c» in ?:a_:i: Pip2 per tOGf"t ,
vistrinutir3n Heaa Loss __
- - -- - - - - -.- t- _. -_
Gra:�it': 'vi>ttit�utiot: _ �ifL - - -.-.- - _
Pr?ss:�c� Gistributio� bas�cf on t:�,�ni�n!i,i7 -.�.•erac;e �r-��d =. . .
`;'alue cr Pr->�ur� C�isti it��.tion `=':-os H:st-�c-�t: - - -
!':niniiazLiFn :�vera � HEad � Distribirtio{3 Head Loss _ -. :_- _._ _._
1ft ! 5f� - - - - - - '
L;t 5�i �� - - - �
5',l �Ji� � - _ _ �
D. ?. Supply Pipe Diameter: 3.� in — - -
2. Supply Fipe LengYh: � 120 �ft __ - _ �
�
E. Friction Loss in Piastic Pipe per 100ft from Tabie I: -� �
Friction Loss= i.69 !�t per 100ft of p�pe -- "-
p, Determine Equivolenr Pipe Lengtn from pump discharge to soit dispersa�area disc�arge _-
point. Estimate by add�ng 25�to supp(y pipe len�th for fitting loss. Supoty Pipe Length - _
,D.2) X 1.25=Equivateni Pry+e tength -- -
L i20 + ft X 1.25 = � '=5(I.� ift '- - -
G. Catcutate Supo�y Fridicn�oss �y;�u4t�.r.ng+�;�ict;cn, Loss Per fIX1Jt tline E}by the Equivotent Pipe Length 1L?ne F)ar.d divide by 10D.
Suppty�rictior:�oss=
1.59 ft p�r�G�ft :� ': '�0 ft - ��? _ ���ft
H• Tota!Nead requiremen:�s the s�m af the Etevaticn�Jifferer,ce i:-;ne Ai,ti�se Gistributi�n Head Loss ILine 3),Additionat Head LO55(Line C),and the Suppt
fricfior�oss I!9n2 G )
� '$.0=C + � 5.0 fL - ( ifr _ I�fL = 25.5 `C
i
3. PUMP SELF�'('lON
a puma must bF seiected to de!iver at teast 2�y,Q uPh1(Lir2 1 cr�fne 2�wrth ai least 2�,�j feet of totat head.
Comments:
OSTP Pump Tank �izing, Dasin� and FtQat
•����� ��� ���� and Timer Setting Desi�n Worksheet � ;� .� � _
Co .r�.�A.�e - .,._.
DETERM!NE TANK CAt�AC(TY QND fllAi�NSiONS Proi2t:ID: v 12.08.06
1. A. Design Ftow �Gesign Sum.1.��: � ��� jGPD
B. h5in!mum required pump t�nk capacity: � iG04 (;,a; C. Reccm.^e^de�pump ta�k capac�ty: i 2�u0 Gat
MEASURED TANK CAPACITY(2xistir,g tanks):
2. A. Rectangte area=Leng,h(Lj X�rtsdch��rr� �
I +tt /� �� ft _ � I • , lr!'1�Jth
L.��J I �T�L
g• C�rci�arva=3.14r��3.�4 X radius X radtus) i �,
�.i�"r .� �Z cr = �;:'- f--�
�-• Lenath
�, Caitulate Galio^s Per inch. There are 7.5 ga,tons per cuoic�oci. T?erefore,mut;ip;y L:ne arez V
ircm 1.A o�1.8, �y 7.5.o dete�mire i�e ga(tons per foat the tznk no;cs. Then divide that ��,
n�mber by i2[o catcu!atz the ga!tors pe�inch. f- -►'
R�diu6
� ft` X 7.5 gat/f;' ;- 12;n;it = j� Galions per ircn \��,
G. Catculate Tota�;cnk Yolume
Depth from bottom ef ir(et pipe to tank bot.om: � 4T�.75 in
Tata[;enk Vciume =Depth from bottom of inlet prpe (Line 4.A1 X Gat(ors/lnch i,line 2r
r�
4:.75 i ir: X j �� 3•�S!Galtors Per fnc^ = i 2003.9 �Gailons
i
rhANU�ACTURER'S SFECIFIED TANK CAPAtlTY(whan avaiiatle):
3. A. Tznk!�anufacwrzr: 13rown:Yiiher_ Note:Design cakuiai�ons
are based en this s�edfic
B. Tank Mo�el: { �ank.Substituting a
different tank moCei wiit
C. Caparty from man:;`accure-: 2GG0 Gatle�s ci:ange the pump ficat or
timer sett��gs.Contact
D. Gatlons per ir.ch'rom manuf�ciurer. 43.8 Gaiions rer inch
des�aner�`chanees a-e
<
E. !ieuid deotn o?tanK'rom manu'acwrer: ��;���e$ nece_sarf. I
DETERMINE DOSl�JG VOLUt�E
3
� Ca:c�:late Volume to Ccvei Pump !The:r,;et of th=au:^p mus:�e ai ieast 4-i�ches`rom the hotco�n o`
the pump tank�2 inches of water coverir�;�e pump is recommancee�
(Pump and biccr.�eign;=2 inchesi X Gat!ons Per Inch t2C or 3E�
i� i% ! in + 2 inchesj x � �3.3 Gat!ons?er Inch = ; 745 Gaiions
a. Mi:7in,L,m Durnp�.:t V�lume -�X Votume o-D�suibutior Pipi:^,g: I 3�9.6�Ga;lons
-L;rte t7 of the Pr2ssure Qistributron or Line 77 cf Non-fevel
7. Caicu!ate M:aximu,n Pumpout'/o(ume (25%or Des;gn F;owi
Design Ftow: #?:0 � CPD X "v.Z� _ � 18%•5 �Gaitor,s
��
5. Setect a pumpouc volume that mees both items e6ove firne 4&5): � 187.5 ivai!ons
�. Cateu!aie L�ses?er Eo�,: =Design Flaw=Cesirg'✓ctume
�:.o ooses � Vofume o€Lic�uid ir� I
150 �gPd�� ;s?.s �at =��
8. Calcu'tate Drair;back:
Pipe '
A. Drame:erofSupplyPipe= ��nches i Pi�� ' LiC�U d
8. !ength of Sup�:a Pipe= � 12D f�e;
j Diameter � Per Foot �
C. '!o(ume o;Liquid Per Lineoi Fao[of Fipe = G O.�Gatiersrf; i ti f1Ci}e5� �Gd�lOilS? '
C. DrQ�nhcck =Len3th o/�uppty Pipe X Vofume of Liquid Per Lir2ai Fa�F of Pipe ' � ; �•�"t� i
t20 ft X���gat;ft = j Z��Gattons � 1 .25 � C�.C�78
9. Tatcl P�sin3 Valume =icsi,og Vc(ume plus Dr,inbatk
' 1.5 t�.. f 1 fl
ts7.5 ga; + Z0.4 gai=� 208�C-attons 2 j 0.170
10. Minimum Aiarm Yoi�me=Dep,:^,oi atarm(2 or 3 irches;i X galions pe�ir:ch ot.anR l`}.3�'i
r�in X � 43.8 gal/in = 13t.4 Gatiors Cl.:•p1
�STP Pump Tank Sizjn$, Dosing and �loat
°�����;, 5� and Timer Setting Desi�n Worksheet � � ,
TIMER or DEMAND FLOAT SE?TtNGS
Se(ect T;mer or Dema�d Dosing: ;T,T=- ^:y_:-?�„;�-,�
A. Timer Settings
11. ReCuired Flow Rote:
� ___------_ __.. ....--
A. From�esign(.l�ne 1Z or?ressure Distribution or Line 70 06 Non-Lev2:'!: r �5 G�hi �'Note: i h;s valUe must bel
adjusted afte�field �
B. Or caicutated:�P4:=Chan;2 ir.Deach(in�x Galtons PFr Inch I Time In[erval in Minutes �
f-1 measurement&
j--, in X »3.8 �galiin:�-in=1 � GP:+A ca(cutafion.
L__� :�
12. Ftow Rate irom L:ne 11.A or 11.6 above. ��� GPM
13. Calcuta:e TIMER ON setting:
Total Cosing Votume/GPM
; 208 gat:I 'S.0 gpm =1 8.3 Mirn,ces ON
14. Czicuia:=TIMER OFF settine:
Minutes Per Day(1a401i Doses Fer Dtsy- A�,:rut2s Or
r--�
144Q min ; ?�^v dcse5!day - i $.j jmin = 351.7 MinuCeS 0FF
15. Pump Of`Ftoat-ineasuring�rom bottom of[ank:
Cistance.o set P�:mp Ofj Float=Ga(tons to Cover Pump /Galtons�er lnch:
74�i•b gat= �3•& �gal/in= � 1� 7.O�i,!r,che5
16. Atarm�loa;-N.easur.n�f;om bot.om of ta��:
Disiance to set Ato�m F(oat=Tcnk Depth(dA1 X 40<af Tcn'r.Cect'n
�5.�5 in Y,0.90= ��.i�5 ��r,
B. DEhl4ND DOS'c FLOAT SETTINGS (
'7. Calcutate Flco:Seporotiorr Distance usin�Dosi,g�ciume.
� TOCa[I�osinq Yotume/Gations Fer lnch
� �gal=�gaVin=; ��!nches
�i$• Meas�ring Erom bo.t�T c�tar,ic:
A. DistQ�ce:o se[Pump 4jj Ftoat =?�mp and biock heigfit+2�nc��es
� i1;+ � ; in = �I�c�es
� B. Distan�e to set Pump On F1oat=Gistanre[o Set Pump-Off Ffoat �Fla�t SepQration Distance
j � ;n + � in = ��ncnes
� C. Distance ic set A(cr�r±Fleat =�istance[o set Fump•On Fioat -.4?^rm Depth {2•3 ic��es)
I � in + �—� in= ��Inc'-_=s
�LOAT SETT(NGS
DEMAND pO51NG � TIMED DQSING
I — i —
Alarm D=pth in I Atarm Depth 4'� in
purrtp Gn in ' 1803 Gai
Pumo 0`i �; Pump Off �7 jn 2fl7.4 Cid1 :
i � 744.6 Gal �
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_ t�STP Desi�� Summary W�rksheet °������,���«��T��
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Con_rol ',ne�-,�:
Property OwnerlClient:�Steve Anderson/Ger.ati Homes ( Project ID_� v 12.08.�6
Site Address; 5'7 remdate Rcad Nor�h,Crono,MN 5539? � Date: 3l19%45
!. DESIGN FLOW 9.ND TA1VK5
A. Design�"(o�r. I� 37S �Gatt�ns Per Day iGPC; Note: Ttre estimffted design ftow is censidered a peak flow rate
fnctuding a safety factor.For(onq term per/ormonce, the average
B. Septic�anks: dQi(y ftow is recommended to oe<6{�of this volue.
Minimum i,ede Required 5eptic Tank Capacty:; 225G Gattons,in !2 �Tanks o�Comoartments
Recammended Septic Tank Capaa.y:i 3^'�0 ! Gatfons,in ��Tanks or Compartments
Efftuent Screen Et Aiarm?�:��
C. Ho[dinq Tanks On,y:
NuTber of Holding Tanbcs: �� Totat Voiume of Hatding Tanks:�Gatlons
Ty�e�f High!evel ktatrn: �
D. Pump Tonk 1 Capacity: i-100f �Gai:ens ?ump;ank Z Capacity: �Gatiors
2. SYSTEM lYPE
'y+�t C'�O:i Tr�2uT..2clt alK1 a;5pEf53i A�2a` TY`�-'6f L�;s�'ibtttfV'•.•
�Tr2�h �i 82� �J MOt1fld v '.�%_�G3dE
.. v'G2vitlr DiSII'ibuQIX? .��i �r2�sure D:S�:trJt=�,.-��iei �cres5vr_��SV:.,��..,+�U^>_,,.�
v Drip ,i Ho+di�Ta�l ,=l Gtt�
'Setectlon Required Benchmark Etev= 1Gd if?
System Type Benthmark Location:� Stake by site �
i I� Type of Dist�ibuticn Media:
� v T i T e!� T+� �I: ? � �
❑ v� � �� ❑ �' � ���_` L7 Tv��' aock �
3. SiTE EVAL'JATiOhi:
r—� ;—�
A. D?�th[o Limiting Layer_� 2� $in �.7 !ft Eievation �t Location of Limiting Layer: gb.4 ft
B. Minimum reauire-d sepa2t�on:�r 35 �tr 3.7 `t Lotatian: B1
g. lr,easured?ercent�nnG Stope:� 3.0 °' 0.0 Ccde A4aximum Depth of SysEem: -16 ,i.r,~
C. 50�(Textuf2: Ciay Loam Perc Rete: 26 11�PI ';�vatue is negative a ma.�nd is required
Q. SoR Hydrautic Loading Rate: I 0.45 �G?�i*t` E. Ccnt�:c;Loadin�Rate 12.0 GaUft
4. DESiGN SUMht6,RY
Trerch Design Summary
�ispa�sal Area�ift` Sic�ewal[Depth��n Trench Widih�ir
Totai Lireal Feet��t Nurrrber of i renches Code Maximum Trench depth ,n
�' � ��
Designer's Max Trenc`�Dep:h�in
Bed design Suenmary
absorpticn Area��ft� ?+�d�a Below ripe��;n Code Ma�cirrrum Bed Dept�;�in
��
ee�'.4;dt�� f+ Bed Length �t; Designelsl�tax Bed Depth�in
PAound Design Summary
d�sarption Area��f�= Bed Length�r 32 ;fit 8ed Wid:h +�_p ft
Absorption Wi�th Z�ft Ciean Sand Lift i_; !ft Berm Width (sloae Q-1 z;�ft
UpsloD2 Serm Ylidth g_b Sft Downsiope�rm W:�th Z7.� ;fc EndStope 6erm Width� �;.�,� �ft
Totat System lengih j;,+ E€t iotat System Width 3g_g�Pt
OS�P Desi�n �ummary �irlor�Cs�ee� �- . . . - .
...!ll ...... f'c3",., i '
CU111�C',§3�,CC'7CY ... . ... _..__ ._.
At-Grade Design Summary
AbSorpticn B�4':idihy fft Atxorption Bed length�ft System Height�ft
Absarption�d Area�-1�t' Upstape Berrn Width�f*_ DownStope Berm Width�ft
I�
Ends!ope 8erm`tiidth��f: 5;5tem Length� �ft System`.'r�dt'��ft
?evet Pressure Distr?bution Summary
�to. o#PerForated lateras� Perfo;ation Spacing��f[ Per`oratiar,Diame[er i i4 in
iatem!Jiameter; �-s� in Supply Pipe Diamete�' 2.4G in Minimum Dose Volume 4� ga!
Fiow Ratei 2� 5,��GPM Tcta;H:ze� �.� (ft Maxim�m Dose Votume 93.75 �gal
5, Additianal,nfo for Type IVI?retreatment�esign
A. Calculate the organic loading using optian 1 or 2
1, Orgcric Loadi€tg =Pounds of BOD X Units
�t�siday X �_1 = ��lbs BOD/day
2. O��a^%c'acding to Pretreat.-�ent;l�i•' =Aesign Flaw X Estimated BOD in mg/L in the e`fluent X 8.35=5,000,0�4
��gpd X �mglL X 8.35:1,000,040= �tbs BOD/day
B. T�pe or`�retreatment Unit Being ins:at[ed: �
C. Catculate Soi!Treatmen.System Qrganic loQ�fng: (bs. BOt;,do•y=�attom Hrec =!bs/daylft�
� � - _ �
:b5:`d3y: � �Ti` � �lbsiday;fY�
CarnmentslSpeciaf Design Considerati�rs:
:P�Aeu�d is sized for a 5 Gedroam(75Ggp�i one bearoom b�g�er than aC,ual be�roams in hcme. h"ound must be spiit into hatf en accoun; I
of sho�t contour. Each hatf to be t G x 32'to nave the same amount af laterat te��th. Qowlslope sand tred is 16 feet. -here a;e 15
inches of differerce in ete;ration�tween the two rockbeds. Uneven etevatian accour,ted for with dual pump,time dase arrangAmene in
the pump staLion. FoUowing Mound desi�n is per;ndiv:duat hatf unit, (375gpd each}denoting exact dimensions;ha:e sizi�,spacing and
number. Each unit is identscat ir atl respects except far slope and overall footprint size. Slope is 8%for one unit and 13�for the other.
1
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i
i�*ereby certify that I have comptete�this wcr,:;r acco-_a.^.c=v.^:t7 att a�p.icz�:�ordi�a��ces, rules and taws.
�aie Denn 583 C97Z2/?4
(Destone-i CSignature) ;�icense�? {'Jaief
t�STP Mc�und Design Worksheet .
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..�.�; . 3,, :,, > 1% 5[ope - . .
L:, _ _ _.
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1. sYsrE�n siz�NG: P-o;��+- iQ: v �2.ca.ca
A. �esgnFlow: '�� IL'� TABLE IX�
�
B. Soit Loodrng Rcte: u.d5 GPDJftZ -'�^''1!� -= --�- �"'(Nu 6 T''','•' `�K°� ^:'-�=r.
�NJ...rS:;Pr 'd R:.i' .� JSIN ERCO �r''ti TE Tt
C. Depth ro Limiting Corr�rtion: �.�ft �------ »t e � _��: r�z � ���: a --
;
�---� ;.hsorrbca ;.h ipir,n �.
e?. Percent LQnd St�pQ: ,1 �.0 �� pe�coia^on r"a?r r,�und , :'cur,d
i , r .:.rexloach�e- rv� naA,rp'��.
,.. . F `' b nr�;.n-; Pate :•h:Jra:7o�
E. Desi n Media Loadin Rate: �—'
9 3 i��GaD/ft` £ ;;K rs,o 3,;,;h , ""e`''°
F. Mound Abso:ption Rntio(Tabte;Xat: '� 2.60 - � - '
. � . ,�j , _ 2.: _ 7 �_s _ �
G, Desrgn Con�aur Lccrdrng Rcts: � �-.'� �G��°T�
r c 4 a
_�_� — fv.li .S — --....
------�— -------_-.__._._ _____.__.�_. _----
} ,- f35 _5 ._ . �."
� � `-------- � _._ _.�
'Sys[errs wiiti these values are not iype t slstams. C�r,tour Lcading Rate I,,inear
iaading raLe)is a recommended value.
2. i3iSPERSAL ME�;A SIZlNG
l�. Calcutate Required�Jispersc!Bed Area:Design Ffow (1.Aj=a�esign}hediv iood�Rg Rete (1.c;_`t-
if a iarger disoeral media area '75 � ��D' ( '.EO GPD/ft` = 3 i 3 tt`
is desi-ed, enter s�ze:
�ft-
B. Catcutate Disperso!Bed Wtdth: Contout�oadtrtg Rate (1.Gj :Dergn Medio Loc�iing Rate {?.E{=Bed Width
� 12.0 ft = i� i•2 gpolft` = j� 1��fit
C. Cafculate dispersnt Bed Length: �Jisperscl Bed Area i2.A) :Bad Width (2.8}= 8ed Length
! 313�ft'` : j 1G �fi = � 32 ft
D. �nter Dispersa(lrledia: � RGCiC i
E. 3`using a registered produc�, en:er the Cemponent Lergth: � �in = ?2 = �ft
F. if using a registered�:rcduct, enter the Companent Width: ! {�n : i2 = i �ft
� � �
G. Number of Cor!tpone^Ts per Row =3ed L2ngtn sZ.Cj divided by Componer.t iength (4.J) (Round up1
�� r--- �--�
iC = I : ft= � �compcnentsi row
H. Number of Rcm =Bed Width {�,g)�;vide�by tomponent Widtia t4.K}(Round up)
k'djusY Centour'acdi��a Rate an Desig���L•:Tma:;pnge until this r,r;,�r,�er:s o wha(e number. �tote:CtR of 10.8 go!/ft resufts ir.9 foot wide bed.
�� ft: ft= � rows
�, Toto(Number o¢CarnF,onents =Ftumber af Comaonents per ftaw X Number of Rows
�---� ��
! � X � ; _ ;componenis
L 1
�. ASSQR?TtON AREA�!ZING
Note:Mound setb¢cks cre measured Irom the Absorption Area.
A. Catcul�te Absorptien Wid�h:Bed Width l2.B)X Mound Absorption Ratio (i.Fj =Absoration Width
k �^�t X i Z.S ' = 1 L' b.�J �ii
B, Fgr slopes>1:0, t:�e Absorpti�n, Width is measured downnitt fro;r th�upsiope ed3e of the Bed.
Caicutate Downs(ope dbsorption Widfh:Absorption Width (3.A) -Bed Width (2.d)=ft
� 26.0 ft - � i0.t} ft = 1b.0 �it
4. MCUND SiZING
A. Caicu[ate Ciecr.Scnd iift: 3 fieet minus Depth fo Limiting Con�itian (i.C!=Clean Sand Lift �1 `i minimuml
3.0 ft - ;� ?.7 f ft = �ft Design Sand Lift ioptiona(): �-+�,3
B. Caicutate Jps(epe Herght:Cl2fiR Sl1Rd LifL (4.tai -medie�epth +co�er t1 ft.) =Lps(ope Ffeight
I� Fi + Q.5 } f� . � ;_� .�= 2.$ �r;
�
�elect Upstope Berm ASuttiplier
�' (saased on tand stopej: 3.03 (figure D-34j
D. Calcutate Upsfope Berm Width: Multip(ier (4,C);{ilpstope h4our:d Neight (4.3)=Ups(ope Serm Width
��3.0� ft X � 2.8 ft = 8.6 �ft
E. Catcutate D;op in Elevotion Under 8ed:Sed�fidth (2.dj X Land Siope ;i.D�: 1(Yi=Drop ;ftj
i ��'.0 ! ft X s�� % _ 100= i�84 �ft
F. Calculate Cowns(ope Mound Height:Upslope Hei3ht i4.6)+Drop in E(eva:ion j4.Ej=Downs(ope Neight
�� ft > i�� 't = 3.b ;ft
� 1
Setect Dowrstope 8erm Multiptier �-, '
�- (based or. (ar�d slope): ; 5•38 }�figure D-'svj
H_ Ca[c�taTe Downslope Berm Width:Mu(tiptier (4.G}X Downstope Height i4.�� =Dawnstope&e�m Wi�th
�� x � 3.6 `t = 2?.� �ft
E. Calculate Minimum Berm to Cover Abscrption Areo:Dowrtstope Absorption Width {3.B or 3.Ci+4`t. =ft
� 96.� -� ft � i 4 ft = 2C.v ft
� r-�
J. t?esign Downslope Berm =greater of 4H and 4i: � 21.4 ft
K. Selett Endstope 8erm Multipl;er: L�f�4uatty 3.0 or 4.0;
L. Calcutate�ndsto�e Serm (4.K)X Do:vnsfope Mound Height {4.F)=Endsiope Barm WidLh
���� ft X 3.6 ft = '��ft
�
M.Catculate Mound Width: Ups(ope&erm Width{4,t�� +ged Width (2.61=Dowrzsfepe Berm Widt'� {4.�) =ft
�
�� 8.� ft j � iD.O ft � 2?.�# ft = 39.9 �ft
N. Ca,culate Mound Length: Endsfope Berm Width (4.L)+8ed Length f2.t1�Endsfope&erm'rYrdch {4.L)=ft
i �r .4.5 -1 ft � 32.0 ; f; + � ?4.5 f: _ ; b� ?.? �ft
Comments:
i his is Mound�i, based cn 13'n siope. j
f
�
5, Mai1�dD DihiENSi�NS
P j _ '
I� . . _�8 S .._,�. . �.
�
� S't.'J I
I�i�:, �7� � ���'1
�
= i 2� Q
" . - _ - 61.1�
� - _
�. � � __- L - - 2t.4
_ '_ i
� 8.b _ "._----� �- - � -- t-_� ,
I _ --� ��j +-- , 1`�'���_ - _ . ;i-;�� �
a - �—� Li � � �-__ e �,,,�r:t;i �
j ; � . �
_� _..
-- �, ,
---=---------- '_-,, -�_. i
r-
OSTP Pressure Distribution
L���-�R,�����
,.,;�,r,.�;<�,., ������,r,�rr, Qesi�n Worksheet .-�� �����I:�t:>-;�;
cvnt�o� »qe�,c�
ProjectlD: v 12.08.06
1. Media Bed Width: 90 ft
2. Minimum Number of Laterals in system/zone= [(Media Bed Width(Linei)-4)=3] + 1 round up to the neareast whole number+ 1.
( 10 -4 j} 1 = �taterals
3. Designer Setected Number of Latera(s: �taterats
Cannot be tess thQn tine 1(Qcre�t in�t-erades)
4. Setect Perforatron Spacing: 3.d it .
-
5. Select Perforation Diameter Size: 1/4 �n ----'`�`�`-------�"--�'--fY4�--------�-----.____ ___.�.F._.,�,.
- . _ _ _ --. —=- __ _. __
6. Length of Latera(s =Media Bed Length-2 Feet.
_ _ _ _. __ _
32 - 2ft = 30 ft Aerforation can not be ctoser[hen 1 foot from ed�e.
� Determine the Number of Perfaration Spaces. Divide the Length oJ iQterals (Line b)by the Perjoration Spacing (Line 4)and
round down to the nearest whote number.
Number of Perforation Spaces = 30 ft .- ��ft = 10 Spaces
Number of Perforations per LoterQt is equat to 1.Q plus the Number of Perforation Spaces (Line 7). Check tabte betow to verify the
8' number of perforations per laterat guarantees tess than a 10%discharge variation. The vatue is doubte with a center manifold.
Perfo�otions Per Lateral = 10 5paces + 1 = 11 Perfs. Per Laterat
9• Totat Number of Perforations equats the Number of Perforations per Laterol {Line 8)muttiplied by the Number of
Perforctted Laterots (Line 3).
11 Pert. Per Laterat X ��Number of Perf. Laterats = 33 Totat Number of Perf.
10. Setect Type of Manifo(d Connection (End or Center): �E„� i'`;�m�
11. Select Lateral Diameter(See Tabte): 1.50 in
QSTP �ressure Distribut�on
Des��n Warksheet � ��� F�s T'�-
., r���.��e>t a f e�i�:�:;c,��
t '' � .`'�
t�rtttOl 4 ��'l�': - _. � �
12. Catcutate the Square Feet per Perforotior. Recom,�nended va(ue is 4-11�'t z per perforation.
Does not app(y to At-Grades -: .�=n;:....�,.�ar,e i�F:s.
a. Bed Are� = 8ed ih'idth(ft)X Bed Lengt7 (ft) per.'a-_;on o;ame;er
'r,aad�tt;
' ?0 ft X 32 � ff = s20 ft'' � ' � ' ' �
. , . .,. J.j`: U..0 � v,"y �
I b. Square Foat per Ferforatian =Bed Hrea divided by the"�ota(Number of PerforQtions {�ine�l}. ,,, � _ �s: ,� ,y ,�a �
� � 320 ftz - � 33 perforations = 9.7 �{�`/perforations -�` �`' "-c °�'' ' �{ �
"L.5 G'4 �.65 i;.34 ; i? I
i�
13. Set=ct Mrnimum AverQ�e Head: �.0 f± ,e p.;_ p.-� p.a� , :g
�� � :.c� ..... �.z� � i.�3 �
?4. Seiect Perforation Dischorge (GPM)based on Tabte: � OJ4 �GPM per Perforation ' S.: �., ,. „__ ,_
15. Determine regu�red Ftow Ra[e by�mut[i�,ying the Ta[o(lYvmber�f Perfcroti�rs by the ��� ' _ � � �
Perfcretion vischarge. , --� �
33 'r�erfs X C�.7� �GPM per Perforation= 25 GPM " _ _' ` - -
1b. Vo(ume of Liquid Per Foot of Distrioution Piping,Tab(e!!): 0.110 jGattonsfft -= - - - = ="
-- - � -
�7. Volume of Distribution Piping =
Table II
_ [W(1I�tJE'F Of PetJorcted Laterats (Line 3)X tength of Laterals (line 6)X <^olume o�Liq��i� in
(Volurrw or Liquid aer Foct of Distribution Piping (Line ib}] ���
� 3 , X i! 30 i ft X 0.1?0 gaUft = 9.9 'Ga(tons �Qe j Liquid
Diameter � Per Foot
18. �{inimum�ase =Vatume of Distribution Piping (Line 17)X 4 (inches) ; ;Galions�
9.4 ;at� X 4 = 39.b Gallc�ns � � v����
1.25 ( �.07�
� 1.5 � rJ.1 1�
� Ta^�'C,.^.,D,�e` � � I l7.�7Q
I i
3 �J.380
� � � -� Q.bb 1
I i '
! p;pe�rom p�m�
� ij ' . � ;
k'ean oi;is {� _ _ �
' * i � i
� � ,
. • li
I aiterna:e iccatian i; �
I o`pi�e fr�m pur�i}�' I
i
.. : . .......... �
� - . ,:. .. i
� i
Comments/Special Design Considerations:
�STP B�sic Pump 5etection Desi�n _
,,, ; ,. . . , N�orksheet , �� .� , , ,
��,,,� . .�.. . . ,
S. PUMP C�PAUTY Prcject ID: ��Z.pg,pb
Pumping to Gravity or Pressure ilistribution_ �^�2,rry �^•.,Fressufe Setection required
1
1. I�pumping±o gravity enter the ga!ton Ger min�te of[he p�mp: �GFM (10•45 gp,-n)
L �f pumping to a pressuriz2d distributicn system: i 25.0 GPM
!'..ine 11 of?ressure LYstri6u:ion) _._. _._.
2. HEAD REQUIREINENTS j^���Cy:�"�
A. Etevation Difference �;7 it -
between pump and point of dischar�e: � ` "�
_ - , ' i
B, Distnbution Head Loss: �ft --�
_ , ------------------ -- ----'--- ----�
C. Additionat Head Loss: �— ft(due ta sp2ciat equipment,etc.)
__ _ _
!d5ic' �.��iCLiC'1 LOSS !!1 R�d�t1C Flr.2 NE'.' 1�rFi :
Distribution :-t�a1 Loss
_ - '- - ':_ �,�'=`_, -_
C��a;iL�.� Distii�uticr� = Ott - --.- - � _� -
Pre�ssiar�r t�istrit�utior� based c;n r;i�n�m� Ave;as;2 Heacf � . . _ . '
`✓ati.�r on Pres_u��� C�istrihc�tion ..oii�sf�eet: _, _
Mir:ii�a��m t�uera e Head Distributio�i Head Loss _ - - - - -
ttr ,-�f� , . ... _. _ - -•- .
Lit � b`t '. - _.._ ._ _,. .
Sit � ii�tt . - _ . _.
D. 1. Supp[y?ip2 Diameter: 2.0 in =. � .- - _.-
Z. Suppty?ipe Length: t4D ft I - - - _ �
E. Priction Loss in Plast:c Pipe per t00ft from Ta6le!: '- - -
f Friction Loss= 1.69 ft per 100ft of pipe .-
F, Determine Equivalertt Arpe Length from pump discharge to soit dispersal area discharge - -
point. Est�mate by adding 25�to suppty pipe tength for fitting loss. Supp(y Pipe Lengch -- . .
(D.2} X;.25=Equivolent Aipe Ler�gth _
i40 f; X �.25 = i75.0 ft - -'
G. Calculate Supply Friciicn Loss by muttiptying Frrction Loss?er YOOfr (Li�e E)by ihe Equiva[en[Pipe Length �Line F)and divide by 1C0.
Suppty Friction Loss=
�� 1.b4—�f!per 1047rt ,. i ���`t - i�7 = 3.6 �it
� i
N• Totnl Neod requiremen:is the sum of the E.'evatior,Qifferer,re ;�ire�.;,;he Distribution t?ead Lass(Li�e B),Additional Head Loss (Line C), ar.d the Supply
Friciion Lass (L�ne G )
17.� ft � �� 5.� �',t - ! �ft + �! 3.G itt = 25.0 r.
�_�a
3. P€JhiP SELFC"i0N
A pump;n�:s�be setected to detiver at least 2�j,Q GPM jLine t or Line 2)vritn at teast 25,Q feet of totat head.
Comments:
{�� 3 �` 1��..�tizt.,/ M�.iita ��:.=1Fe�� iJ"��71i� L2dti: ds'.3�iS.
"�. ,_.� ,. and Timer Settin� Des�gn Worksheet = ``
.. �, ...
CETERMINE T.1NK CAPAQ7Y Ai�ID DIMENSIGMS P�O}2ti•.�: v 12.03.C6
--`1. A. i;ESign hiow f.�^.esig.a Sum.1A;: � 75�J [,p'�
�
°. hlinirnum reGuired p�mp ta��c caPa[i:y: � 'QG� Gai C. Recom.mer.d=�pu�p:ar.:c�pac;«y; '��GCp Gzi
MEASUREQ TANIC CAPACITY(existing tanks):
2. A. ,rcec�angie area=Le^gth!Lt X Wid;h t�Vj
♦
�rt X �� `� _ ��ft. b'Vidth
� a- c�rclE area="s.t4r';3.i4 X rac�us X,adiusi
♦
3.i4 X ���� f: _ '�ft� �----►
Lengt?�
�. Cata[ace Gailons Per 1!iCh. T^�:2 dre?.5 ga:ions per cubic frot. Therefore, ^uttipty:he area J��
frc��1.:;c�?.B, by 7.5.o de�e;mine the gailors per root�he tank hoids. Then divide that
�umber by 1i to caicula,e the ga:tons per incn. �'
�� , . - = Ra�ita
ft` X 7.5 ga:%*'' 12in;ft �-�Gations;,Fr�nch �_�/
D. Caic�iate Tctat Tonk Veturr,e
Gerfh jrom hottom of i�(=t pipe to tank 6otto.m: 45.75 �in
Tot�l Tank Vofume =Depzh jrcm Settem of intet oipe (Line 4.Ai X Gatlons;inch ;i.;ne 2i
� �- _
4^•75 I in ;; i 4"s.8 ;Ga!lcnsPer;r,ch iO���GaF:c^s
MANUFACTURER'S SPE�4Fieb TANK CAPACiTY(whan availabte):
3. A. ?anK!Aar,urac.Ut2": BfOKT,\Y�;eer: iNote:Design ca�cuiations �
"� are based cn this specific
B. ?ank:4odel: � �tank.Substitu,�ng a i
di`,'eren;tank moGet wiit �
C. Caoacity fro��manufacturer. �0�0 Gattons ���ange ihe pump fioat�r �
D. Galicrs^=r inc^�from mar�ufacwrer. �i } f: jtimer setti?gs.Contact
r- � � 8 �Gdi.ons Ga. �c� �
' �designer��changes zre
E. L�Guid depth o:`tanic`rom manuratturer, �-'s��L;e$ essary.
I �^��
DETERhf1NE DOSING Y4L'JhiE
3� C.icUla;=Volume t�Cover Pump iThe ir,te:of tne pump mus:'ae at ieast 4-ir;c�es=-o:,:he bot�cm o`
the pump tark�2 ir,ches o`water cowe�ir.g che�ump is r�co.mme:^.dfld?
r?ump an�bie��+,e;ght=2 incnes)X Gallons Per Inch f2C cr 3E)
� t5 j� + Z inchesj X ��.8 Gaiions Per Ir.Ch = 1 745 Ga;;onS
4. Minimum Pum�ut Yo(ume -4 X Volurr:e aT D;s.fll]UtiOf'F+rt^g: � .i9•5 Galions
-Lina 77 of the Pressure Cistrinution or Line J t oJ tion-levai �
5. Caku;ate 1�Ioximum?urnpout Voiume (25�of Destgn Fiow)
Desig^riov.�: i 750 a GPD X O.ZS - i i��Ga�ior,s
6. Setect Q pum,tacut��(u,^e thct meets both ite»s abeve ;Line 4&Sj: t87.5 iGailons
?• Catcu!ate Oes=s Per Ca,� =Design Ftow=Cnsirg Yolume
��SC��Rd; t87.5 gal =i�-�Doses Volume af Lic�uid in ;
£s. Calcu;ate Drair.back:
#�pe
---+
A. Drameter of Suprfy Pi�e= Z ';���<s Pi e L7 U3 L� '
I � .,�.,� � p �
8. tergth ot Su.�p,y p:pP= 12G fee;
� Diameter Per Foat ;
C. Vciume of Lrquid Per�irrecl Foo:of?rFe = i L'.r 170 �va'tlonslf: � (7�)ChES j 4,ud��t"if151 I
i i
D. Grainback =Length of Suppiy Pipe X Yo(ume of Liquid Per Linea(Faot of Pipe j ��•Q`��
��
'Z� !`t X�� o.t%o �gaUft = 20.� Gal!ons i .25 �.07�
9. Totat Lbsir,g Yctume =Dosing Votume ptus Drair,back f �-� �� � ��-'
�'-.s�.-�gat T zaa gat= zos ca��o�s i ? �.1?� ;
10. ,���nimum yiarm Vaiume=Dep:h of ata�m 12 or 3 incnes)X ga!lons per ir.ch o?iar,k � 3 ,�.38;�
� 3�ir, X � �3.8 gat/in = i '3i.� Ga!lor.s i
� =t t u.bb1
� ` ¢
,�.�'.+ i ��.:%�:`�A'. �C�t�� �dsii s`r.�j3 �C}.'+��e� �£E`.f i�!.�ia`1t
�� � }�� - �� ���, and Timer Settin� Design Worksheet
.��«:;��� -
TIMER or DENl�.N6 FLOAT SET"t'IN�S
Select Timer or Demand�osing� �s--:- �;��-_;���;,
A. Timer Settings �
11. P.2qu'tred Flow Rate: (
4. =-�^�Desgr tL;ne 12 0�Pressure Distribut;o�or Lir.e?0 of No�-Levei'j; i 25 GPM 'Nete: This vQfue must be
adjus:ed cfter field
6. 0�caicuiaced:GP,4t=C7ange ir.Depth i�n)x Gatlons Per Inch,"Time Intervat i�MiruT.es mecsurem.ent fr
l � �n X� ��igai!in=����n=� GPr. ca(cutation.
�
(12. F;o�,v P.�te from Line;1.A or??.B atrove. 25 ! G?M
!13. Caicu!ate TIMER ON sei.irg:
Totc(�i'osin3 Yotume%GPM
� 2D& i�al= =5.0 j 8Pm= 8.3 �4,irtutes ON
'14. �aicu:ate T1MER OfF set;i�g:
� Minute5 Per Day 11440)(Dvses Per Cay- ��ir,utes s�n
'�.a0 mir. ,- 4.0 doseslday - 8.3 ^?in = 351.7 IN.inu:es OFF
i
15. Pumo Off fkoat-hteasurirg'rom hottom of car,k:
� Distart:e to set Pumo O;/Ficcc=Gattons to Cover Pump /Gcl(oas Per tnch:
jI ��*.E �gat= k3.8 �gat�'in= � '7.0 �ir,ches
I'6. .4tar^^�ieac-t.lezsuring frcm bo[tom os tar+k:
1
�Jistence to set Aiarm Ftoot=Ta��k�?epth(4A)X 9�o/Tonk Depth
a5.75 in X 0_90= �^�+?.'+75�in
B. DEMA1vD DOSE FLOAT SETTINGS
?7. CatcuiaEe F�oct Sepor�tion Distarce �sing Gosing'�olur+rne.
Tct�i Dosir,g Yolume;Gcflons Per toch
; ,�$dl=��aliin=1^—�!nc!-es
18. ,ti',easur,ng frorr,bottorn cf:zn�:
A. Distanre tc set F�mp flff F(oot =P�mp ar�d bio:k heigh:-2 ir.c^es
� in� � ir = �inches
B. Distonce tp set t�ump Oo Ftoet=Distance to Set Pump•Off Fiaa[ +Floot Sepa;ation Disfflnce �
� � ii� ± � i(i = �Ir.c;�es
L�J
C. Distance ro set atqrm Fic�! =Distar.ce to set Pu,�np-On r!oat +Alarm Depth s:2-3 irchesj
��
in + ,� ir�= Clnc^es
P�O.4T�t_i('iNJS
QEMAN4 DOSINL � TIMED DOSlNG
� - �
( _
�I A:arm De�[h Aiarm Gepth s�� in
I Pump Cr. ir 1803 Gat
y rurnp Oif in � Pump Off �] ;n 207.9 va(
"- � 744.6 Gat
� � �
�
l
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 kiil 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, opercrtion and mazntenance means safe and clean water!
Property Owner Ralph Burnet
Property Address 517 Ferndale Rd North Property iD 36-118-23-14-0007
System Designer HomeStead Septie Phone 61 2 31 0-7887
System Installer Phone
Service Provider/Maintainer Dale Denn Phone 61 2 31 0-7887
Permitting Authority �1'On0 Phone
Permit# 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 Systerrz Owner's Guide, call 1-800-876-8636 or go to http:Ushop.extension.umn.edu/
http://septic.umn.edu
Version 1 1/03/2010
- � -
UN I V ER S ITY Septic Sy.S�tem Management Plan
for Above Grade Systems - ?
OF MINNESOTA �
�
Your Septic System `� ����'
��,
❑ ❑ -- -ciea„a,�
Manhde
, Inspettian pipe.
,
,
. �
�� �
_/"��
, , ,
, .-, -
., - .- �
_ �__ � - .
SePnc ta� � ___ �' '
�
. �
� � ,,� ,.. - '.
;. Q, % `
.r✓
_-y_� ____._
����••,�i G_ - '� 3' ,
P'""v /- l ad►�° _ __ � A� ��
''� M°'n'C I�'��� ``, � ---vertorme
. �
r ..
.
� a '' �
�3 . . laural deanout. ' ..' � •
E _ ,. ..� ..,. ,
Cross-section of mound Ustnbuoon media
- Impecnon pipe- --'-- '����,!tl " _�
'�:x Topwil__ -" O , O _
v.qouoon . _ � --
:Sand•
r��,��r���nr�.����: ` ' _. . � :
. . �t��.c,.nl�ni
'--' —� � to limi CwiQi601f���
- -: ��NaturaL}oil!. �'"g . .
,SahVdhd�otk -
Septic System Specifics
� System is subject to operating permit*
System Type: �• �II�III�IV*�V* � System uses UV disinfection unit*
(Based on MNRules Chapter 7080.2200—2400) Type of advanced treatment unit
*Additional Management Plan required
Dwelling Type Well Construction
Number of bedrooms: 4 Well depth(ft): >>00
System capacity/design flow(gpd): 750 � Cased well Casing depth:
Anticipated average daily flow (gpd): 600 � Other(specify):
Comments Built one bedroom bigger than actual. Distance from septic (ft):>50
Business? What type? Is the well on the design drawing?�Y � N
Septic Tank
One tank Tank volume: gallons �/ Pump Tank l000 gallons
Does tank have two compartments?�Y QN ❑ Effluent Pump make/model:
� Two tanks Tank volume: 225� gallons Pump capacity 36 GPM
❑ Tank is constructed of Conerete TDH 24 Feet of head
Effluent Screen type: N� ❑ Alarm location Basement
5oi1 Treatment Area (STA)
Mound/At-Grade area(width x length): 42 ft x 90 ft �/ Cleanouts or inspection ports
Rock bed size(width x length): 10 ft x 64 ft �/ Surface water diversions
Location of additional STA: ✓ Additional STA not available
- 2 -
UN I V ER S I,I,Y Septic System Management Plan �
for Above Grade Systems
OF MINNESOTA �
,_�1���
J
Homeowner Management Tasks
These operation and maintenance activities are your responsibility. 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 36 months
My tank needs to be checked
Local Government: check every 36 months
State Requirement: check every 36 months every 36 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 �lter. If you have a lint filter, check for lint buildup and clean when necessary. Consider
adding one after washing machine.
. Effluent screen. 1f 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 usuge 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"
or 6" diameter inspection port.)
. Ask your pumper/maintainer to accomplish the tasks listed on the Professional Tasks on Page 4.
- 3 -
UN I VERS ITY Septic System Management Plan '
for Above Grade Systems �
OF MINNESOTA V
,__. -...�,�L``J''
Professional Management Tasks
These are the operation and maintenarice activities that a pumper/maintainer performs to help ensure
lo�zg-term performance of your system. Profe,ssionuls 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. Tnsulate
the riser cover for frost protection.
• Liquicl 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 thc 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
. Purnp 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 counte�•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.
• Surfaci�ag of effluent. Check for 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 ITY Septic System Management Plan -
for Above Grade Systems :`t �
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-�-ound 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 � �Iash 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
2id 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.
Ctean 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 -
Septic System Management Plan `"'�'�' '
UNIVERSITY � � ���� � ��������_ �
for Above Grude Systems '
OF MINNESOTA �=, `` �
���J
Maintenance Log
Track maintenance activities here for eusy reference. See list of management tasks on pages 3 and 4.
Activity Date accomplished
Check frequently:
Leaks: chcck 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, uti_lizing the Management Plan. If r.equirements in
this Manaqement 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 ase as a soil treatment system."
Property Owner Signature: Date
Management Plan Prepared By: DaI@ DeClll Certification# 3226
Permitting Authority: �rOf10
C�2010 Regents of the University of Minnesota. All rights reserved. The University of Minnesota is an equal opportunity educator and employer.
This material is available in alternative formats upon request Contact the Water Resources Center,612-624-9282. The Onsite Sewagc
Treatment Program is delivered by the University of Minnesota Extension Service and the University of Minnesota Water Resoorces Center.
- 6 -
< �
From: Thomas Dietrich <TDietrich@minnehahacreek.org>
Sent: Wednesday, March 25, 2015 11:29 AM
To: Joe Mailhot
Cc: Amanda Bednar
Subject: Wetland Protection Rule
Joe,
It was nice talking to you this morning. Per our conversation, please find the District's Wetland
Protection rule linked below. If you have any questions or concerns, please feel free to contact me.
Wetland
Protection: http•//minnehahacreek.or�/sites/minnehahacreek.org/files/attachments/8.%20Rule%20-
%20wetland.pdf
Tha n ks,
Tom Dietrich
Permit Coordinator
Minnehaha Creek Watershed District
15320 Minnetonka Boulevard
Minnetonka, MN 55345
Direct: (952) 641-4518
Main Office: (952)471-0590
Fax: 952-471-0682
www.minnehahacreek.org
�_�
MINNEHAHA CREEK
WATERSMEO D�STRIGT
° , �.
MINNEHAHA CREEK WATERSHED DISTRICT
BOARD OF MANAGERS
REVISIONS
PURSUANT TO MINNESOTA STATUTES§ 103D.341
Adopted April 24,2014
Effective June 6,2014
WETLAND PROTECTION RULE
l. POLICY. It is the policy of the Board of Managers to:
(a)Achieve no net loss in the quantity,quality and biological diversity of Minnesota's existing
wetl ands;
(b)Increase the quantity,quality and biological diversity of Minnesota's wetlands by restoring or
enhancing diminished or drained wetlands;
(c)Avoid direct or indirect impacts from activities that destroy or diminish the quantity,quality
and biological diversity of wetlands;
(d)Minimize direct or indirect impacts from activities that destroy or diminish the quantity,
quality and biological diversity of wetlands;
(e)Rectify the impact of any such activity by repairing,rehabilitating, or restoring the affected
wetland environment;
(fl Reduce or eliminate the impact of such activity over time by preservation and maintenance
operation during the life of the activity;
(g)Compensate for the impact on the wetlands by restoring a wetland;
(h)Compensate for the impact on the wetlands by replacing or providing substitute wetland
resources or environments; and
(i)Promote competent administration of the Wedand Conservation Act(WCA)within the
watershed.
2. REGULATION UNDER WCA AND WATERSHED LAW.
The District regulates activity impacting wetlands pursuant to the WCA and the Watershed Law. A permit
for activities impacting wetlands or requiring wedand buffers is required as follows:
(a)In municipalities where the District is the local government unit under the WCA,a permit is
required from the District for any draining or filling of wetlands,or excavation in the permanently
and semipermanently flooded areas of type 3,4, or 5 wetlands,and in all wedand types if the
excavation results in filling,draining,or conversion to nonwetland. The WCA,as amended,and
its implementing rules as set forth in Minnesota Rules chapter 8420,as amended,specifically
including sequencing requirements and all exemptions,are incorporated as a part of this rule.
Work affecting a wetland that qualifies as no-loss under the WCA and work affecting an
1
incidental wetland,as defined in the WCA,do not require a permit under this rule. Wetland
replacement,where permitted, shall comply with section 3,Wetland Replacement, of this rule.
(b)A permit is required from the District pursuant to the excavation and buffer provisions in
sections 4,Excavation,and 5,Buffer,of this rule,which are adopted under the District's
watershed law authority and apply whether or not the District is the WCA local government
unit. Pursuant to this authority and section 4,Excavation,the District requires a permit for
excavation in any type of wetland,except where specifically exempted by the WCA or when the
work meets no-loss criteria under the WCA. No permit under this rule is required for excavation
in an incidental wetland,as defined in the WCA.
3. WETLAND REPLACEMENT.
(a) Project-specific replacement wetland must be sited in the following order of priority,which
replaces the siting priority in Minnesota Rules section 8420.0522, subpart 7, as it may be
amended:
(1) On site;
(2)Within the same subwatershed as the affected wetland(see Appendix 1);
(3)In the Minnehaha Creek watershed;
(4)In the same eight-digit Hydrologic Unit Code watershed.
(b) Pwsuant to Minnesota Rules section 8420.0522,subp.7, as it may be amended,when
reasonable,practical and environmentally beneficial replacement opportunities are not available
in a siting priority area in subsection 3(a),providing replacement priority areas,the applicant may
seek opportunities at the next level. When neither replacement opportunities nor privately banked
credits are available in any priority area,the applicant may comply with this section through the
purchase of banked credits from the District at the cost to the District to establish credits, so long
as the District has determined that sufficient credits are available.
4. EXCAVATION. Excavation in wetlands is subject to the following requirements.
(a)Excavation is governed by the substantive and procedural standards,criteria and requirements
set forth in the WCA,as amended,and the rules implementing the WCA as set forth in Minnesota
Rules chapter 8420,as amended, including all exemptions,with the exception that replacement
for excavation not subject to the WCA shall be at the ratio of 2:l. Excavation in incidental
wetland is not subject to the requirements of this section. The priority siting requirements of
section 3 of this rule,Wetland Replacement,apply to replacement of excavated wetland under
this section.
(b)Excavation of a wetland performed for public benefit, including excavation to remove or
control invasive species,shall be deemed self-replacing if the applicant demonstrates that the
wetland to be excavated is degraded;the proposed activity would increase the wetland's function
and value,as determined using the current version of the Minnesota Routine Assessment Method
or other method approved by the District; and the enhanced wetland function and value are likely
to be preserved. Excavation must not result in a change of wetland type,unless the applicant
demonstrates that public benefit is not obtainable absent such impact.
2
5. BUFFER.
(a)Any activity for which a permit is required under this Wetland Protection Rule,the
Stormwater Management Rule or the District Waterbody Crossings and Structures Rule,and New
Principal Residential Structure construction that increases the imperviousness of the subject
parcel must provide for buffer adjacent to each wetland and public waters wetland. To the extent
the buffer requirement applies to a proposed New Principal Residential Structure, it will be
applied in accordance with protections afforded a zoning nonconformity under state law so as not
to unduly restrict the proposed action. Buffer must be provided on that part of the wetland edge
that is downgradient from the activity or construction and around each wetland that will be
disturbed.
(b)Buffer width will be determined in accordance with section 6,Buffer Width,of this rule.
(c)Buffers shall be documented by declaration or other recordable instrument approved by the
District and recorded in the office of the county recorder or registrar before activity under the
MCWD permit commences. A buffer on public land or right-of-way may be documented in a
written ageement executed with the District in place of a recorded instrument. The agreement
shall state that if the land containing the buffer is conveyed,the public body shall require the
buyer to comply with this subsection.
(d)A permanent wetland buffer monument shall be installed at each lot line where it crosses a
wetland buffer,and where needed to indicate the contour of the buffer,with a maximum spacing
of 100 feet. Language sha11 indicate the purpose of the buffer,restrictions, and the name and
phone number of the Minnehaha Creek Watershed District. On public land,or right-of-way,the
monumentation requirement may be satisfied by the use of a marker flush to the ground or
breakaway markers of durable material. At the request of the applicant,the District shall provide
wetland buffer monuments at production cost.
6. BUFFER WIDTH.
(a)The Base Buffer Width shall be determined by the management class of the wetland as
evaluated by the District's Functional Assessment of Wetlands or by the current version of the
Minnesota Routine Assessment Method(MnRAM). Stormwater sensitivity parameters must be
analyzed and results included in the evaluation,unless all stormwater flow to wetlands is
managed in compliance with the bounce, inundation and runout-elevation control criteria in
subsection 8(b)of the District's Stormwater Management Rule.
Minimum Applied
Mana ement Class Base Buffer Width Buffer Width
Mana e 3 20 feet 16 feet
Mana e 2 30 feet 24 feet
Mana e 1 40 feet 34 feet
Preserve 75 feet 67 feet
(b)The Applied Buffer Width,the actual width of wetland buffer(s)required for a permitted
project, shall be the Base Buffer Width as reduced by beneficial slope or soil conditions pursuant
to the following formulas:
3
(1)For every 5 percent decrease in average buffer slope from 20 percent,the Base Buffer
Width may be reduced 2 feet.
(2)For every grade of Hydrologic Soil Group above Type D for the predominant buffer
soil condition,the Base Buffer Width may be reduced 2 feet.
Reductions for beneficial slope or soil conditions shall not reduce the buffer width to less than the
applicable Minimum Applied Buffer Width.
(c)Buffer width may vary based on demonstrated site constraints, provided that a width of at
least 50 percent of the Applied Buffer Width is maintained at all points,there is no reduction in
total buffer area, and the buffer provides wetland and habitat protection at least equivalent to a
buffer of uniform Applied Buffer Width. Buffer width averaging calculation will exclude any part
of the buffer exceeding 200 percent of the Applied Buffer Width. The area of any path or trail
allowed in the buffer will be added to the total area required by the Applied Buffer Width,except
that construction of a trail or path of no more than 4 feet in width to provide riparian access
through the buffer will not increase the required buffer area.
(d)1'he Applied Buffer Width may be further reduced by the District upon a demonstration by the
applicant that the proposed buffer conditions clearly provide function and value equal to or
greater than would be provided by a buffer ofthe applicable Applied Buffer Width, but may not
be reduced to less than 50 percent of the applicable Applied Buffer Width.
(e)The Applied Buffer Width for Linear Reconstruction Projects shall be limited to the extent ofi
available right-of-way. A buffer is not required for resurfacing of an existing road, sidewalk or
trail that does not increase the area of impervious surface.
(fl'I'he Applied Buffer Width for New Principal Residential Structures shall be limited to 25
percent of the distance between the existing structure at the point that it is nearest to the wetland
and the wetland, or 25 feet, whichever is greater, provided that such a buffer shall not exceed the
Base Buffer Width, and the buffer shall not render a property unbuildable.
7. WETLAND BUFFER VEGETATION.
(a) Quffer vegetation shall not be cultivated,cropped,pastured, mowed, fertilized, subject to the
placement of mulch or yard waste, or otherwise disturbed, except for periodic cutting or burning
that promotes the health of the buffer, actions to address disease or invasive species, mowing for
purposes of public safety, temporary disturbance for placement or repair of buried utilities, or
other actions to maintain or improve buffer quality, each as approved by District staff or when
implemented pursuant to a written maintenance plan approved by the District. Pesticides and
herbicides may be used in accordance with Minnesota Department of Agriculture rules and
guidelines. No new structure or hard surface shall be placed within a buffer,except as provided in
paragraph 6(c).No fill, debris or other material shall be excavated from or placed within a buffer.
(b) For public land,right-of-way ar property held by a homeowner's association,the applicant
may comply with paragraphs 5(d), requiring buffer monumentation, 7(a),vegetation
management, and section 10,Wetland Buffer Monitoring,of this rule by demonstrating that the
buffer will be maintained in accordance with a written maintenance agreement with the District
meeting the buffer monumentation,vegetation management and wetland buffer monitoring
requirements in this rule,listing required elements of paragraph 9(h),the Wetland Buffer
4
Maintenance Plan, including terms describing in detail the location of wetland buffer on the
subject property and providing detailed protocols for buffer maintenance.
(c)Buffer areas, or portions thereof, that are not vegetated or will be disturbed by grading or
other site activities during construction shall be replanted and maintained according to the
following standards:
(1) Soils must be decompacted to a depth of 18 inches and organic matter must be
incorporated into soils before revegetation. Decompaction shall be accomplished solely
by incorporation of organic matter within the drip line or critical root zone of trees or
within 10 feet of underground utilities.
(2) Erosion/sediment control practices, including provisions of sections 5, Erosion
Control Plan, and 9, Maintenance,of the District Erosion Control Rule,as appropriate,
shall be used during buffer vegetation establishment.
(3) Buffers shall be planted with a native seed mix and/or native plantings approved by
the District.
(4) Buffer maintenance and monitoring shall be performed in accordance with section ]0,
Wetland Buffer Monitoring, of this rule.
8. FINANCIAL ASSURANCE. A performance bond, letter of credit or other financial assurance,
consistent with the District Financial Assurance Rule, may be required for any project involving wetland
replacement or replanting of wetland buffers. The financial assurance shall be maintained until the
monitoring period has ended and Uistrict has approved the wedand replacement or establishment of the
buffer.
9. REQUIRED EXHIBITS. The following e�ibits shall accompany the Combined Joint Notification
(CJN)for�n:
(a) Complete delineation report, in accordance with the guidelines provided by the Board of
Water and Soil Resources,for any wetland(s)that will be impacted or require a buffer. The report
must be approved by the WCA Local Government Unit(LGU). The report must include a copy of
the Notice of Decision for all projects occurring in cities where the District is not the LGU.
(b) Site plan, one set-full size and one set- reduced to a m�imum size of 11"x 17", showing:
(1)Property lines and corners and delineation of lands under ownership of the applicant;
(2)Existing and proposed elevation contours; including the existing runout elevation and
flow capacity of the wetland outlet;
(3) Boundaries of all wetlands on the property;
(4)Boundaries of all existing or proposed buffers, along with proposed grading and other
disturbance in existing or proposed buffers;
(5) Proposed locations of buffer signage; and
(6) Area of the wetland portion to be filled, drained,or excavated.
5
(c)Identification and area of the total watershed area presently contributing stormwater runoff to
the wetland.
(d)A replacement plan, if required, meeting all the requirements of Minnesota Rules chapter
8420,as amended. Replacement plans for wetland impacts not subject to the WCA must meet
these same requirements.
(e)For projects involving wetland excavation(including projects deemed self-replacing under
paragraph 4(b)),the application shall identify spoils placement on upland and specify how the
deposited materials will be stabilized and vegetated.
(fl Information showing whether the subject wetland is protected by either the State or
municipality or both.
(g)Wetland Buffer Planting Plan, if required under section 7,Wetland Buffer Vegetation,
including:
(1) Proposed seed mixes and other plant materials to be used;
(2) Seed or plant supplier and origin of materials;
(3) Seed/planting bed preparation(i.e. disking,raking,clearing, herbicide control,
topsoiling, etc.);
(4) Seeding and/or planting method(i.e. broadcast,drill, etc.);
(5) Application rate in either pounds of seed per acre and/or the number of plants per unit
area if using plugs or seedlings. Specify if using pure live seed(PLS). Higher application
rates will be required if not using PLS;
(6) Detailed erosion control plan for establishing wetland buffer.
(h)Wetland Buffer Maintenance Plan, if required under section 7,Wetland Buffer Vegetation,
including:
(1) Schedule of establishment and maintenance activities for the first five years of
establishment(i.e. watering,burning,mowing,herbicide control,etc.);
(2) Identification of probable invasive species and steps that will be taken to control the
spread of invasive species;
(3) Inspection methods and schedule for monitoring invasive species and documenting
native species germination and establishment.
10. WETLAND BUFFER MONITORING. For buffer areas required to be established or replaced under
subsection 7(c),setting standards for buffer establishment and maintenance:
(a)Upon final establishment,wetland buffers shall contain little or no bare soil and shall exhibit a
dominance of native vegetation.
6
(b)The applicant shall submit to the District an annual Wetland Buffer Inspection Report on or
before January 1 of each year for five years. Alternatively,applicants may request that the
District perform the Wetland Buffer Inspection and produce the report for a fee equal to the
District's actual costs to perform the work.
(1)The applicant may submit a written request to cease annual monitoring by year three
if the wetland buffer is well established pending District approval.
(2)If the wetland buffer is poarly established at the end of the five year monitoring
period,the District may require continued monitoring and maintenance.
(c)The annual Wetland Buffer Inspection Report shall include:
(1) Site plan showing:
i. Location of permitted buffer area;
ii. Areas of bare soil or erosion;
iii. Areas of invasive vegetation; and
iv. Location and type of any encroachments on the buffer(structures,unapproved
mowing,trails,etc.)
(2) Color photos of the wetland buffer taken during the growing season. Vantage points
for these photos shall be labeled on the site plan.
(3)Description of buffer vegetation including:
i. List of dominant plant species and their estimated percent cover.
ii. Comparison of the species present to the approved planting/seeding plan.
(4)A written narrative that identifies the management strategies that will be utilized
during the upcoming growing season to manage invasive species, improve percent
vegetative cover and species diversity,and mitigate any encroachments on the buffer.
7
A endix 1•
Long Lake Creek
Pair�ter Creek leason Lake Creek
Dutch Lake�
innehaha Creek
Langdon Lake , -
Lake Minnetonka
Christmas Lake
Lake Virginia
Schutz Lake
Six Mile Cree
8
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