HomeMy WebLinkAbout2013-00059 - new mound system CITY OF ORONO * z 0 1 3 — PJ 0 0 5 9 *
2750 KELLEY PARKWAY �ATE �ssu��: O1/23/2013
ORONO, MN 55356-
(952) 249-4600 FAX: (952) 249-4616
ADDRESS : 1860 FOX ST
PIN : 03-117-23-42-0016
LEGAL DESC : WALDRON WOODS
: LOT 2 BLOCK i
PERMIT TYPE : SEPTIC
PROPERTY TYPE : RESIDENTIAL
CONSTRUCTION TYPE : NEW
ACTIVITY : MOUND SYSTEM - SEPTIC
NOTE: (3)PRLCAS'C CONCRf?ll?"I�nNKS- 1250, 1000, 1000
MOUND SYSTEM-630 S.1'.
APPLICANT SEPTIC NEW 200.00
BURSCH BROTHERS INC. STATE SURCHARGE SEPTIC 5.00
P.O. BOX 55 TOTAL 205.00
HANOVER, MN 55341
(612)221-1493
Minnesota State License#:2727
OWNER
OLSON, MICHAEL&JENNIFER
3924 UPTON AVE S
MINNEAPOLIS, MN 55410-
AGREEMENT AND SWORN STATEMENT
The�cork for which this permit is issued shall be perfurmed accordin�to
the approved plans and specifications,applicable City approvals,and the
State Building Code. This permit is for only the work described and does
not grant permission for additional or related work which requires separatc
permits. All provisions of laws and ordinances governing this type of work
shall be compied with whether or not specificd herein.'1'his permit will
expire and become null and void ifconstruction authorized is not
commenced within 180 days of the dale of issuance,or if construction is
suspended for a period of 180 days at any time after work has commenced.
The applicant is responsible for assuring all rcquircd inspections are
requested in conformance with the State Building Code.This perniit may be
revoked at any time for due causc.
X-�;,,,� � l / Z 3 / 1� / /
Applicant Permitec Signature Date
Issucd 13��Signaturc Date
SEPARATE PERMITS REQUIRED FOR WORK OTHER THAN DESCRIBED ABOVE.
� City of OrOno FOR CITY USE ONLY
0� '��� P.O. Box 66 � �
2750 Kelley Parkway Date Received: Permit#
� � _� a' Crystal Bay, MN 55323
�{��
�y u• � � ' Amount: �
������;��$� (952)249-4600
aexo�'
CITY OF ORONO — SEPTIC SYSTEM PERMIT APPLICATION
(All permits must be approved by the On-Site Septic Manager and/or Building Official)
Job Sife / Owner information: �:��� �
Site Address: ����(n� �C 7� �'�'���� �� �
Owner: �.�:��..,.,:��; ��� Mailing Address:
City: Zip:
Home Phone: Alternate Phone:
Contractor/Applican� lnformation: ��� � �.,,,
Contractor/App.:l� := '� ��-l�� �,�: � � Contact Person: ����� ��'�
Address: Y� ��� S� State License #: �-`� Z�
City: l�rb�o���.�� Zip: ���4-�� Expiration Date: z -��
Phone: Lc;( Z, ZZ I — I`( �t 3 Alternate Phone: (.� 1 Z Zz I - `?�S Z
,..� ,.� ��I'�PES'�F:RJCCI"JI��N�Y . ':'° '� :. � . s ��.+_�� > � � ��:
�2esidential ❑ Commercial ❑ Other
PERMIT TYPE AND FEES ��
< z=
New or Replacement System $200.00 (;�
Repair Existing System 100.00
(Tanks or Drainfield)
State Surcharge 5.00 5.00
Total $ �� � �
W:\(Permits)\Septic Permit Application-Updated Surcharge 07-28-11.doc
1 / 2
** ATTENTION APPLICANT **
, Fill in ail appropriate blanks and check all ap�ropriate boxes. '
I will be installing the following:
Tan
Precast Concrete ❑ Fiberglass ❑ Plastic ❑ Other
Qist manufacturer)
Number of Tanks: �
Size of Tanks: � � � Z' f CC=�=' /oc� v1.� �� � ^�•�
Treatment System
Trenches s.f.
�
Mound � -� �% s.f.
Gravel less s.f.
Chamber s.f.
NOTE: The contractor is required to provide an As-Built of the system before the
final inspection.
The undersigned hereby applies to the City of Orono for issuance of a septic system
installation permit, agrees to do all the work in strict accordance with ordinances of the City
and regulations of the State of Minnesota and certifies that all statements made on this
application are complete, true and correct.
Signature of Applicant Date:
MPCA License No.:
Staff Review: �--Accept , ❑ Denied
Reviewer: �� Date: � —,� 3'- I ��
Reason for Denial:
Comments (to be printed on inspection card):
W:\(Permits)\Septic Permit Application-Updated Surcharge 07-28-11.doc
2 � 2
CITY OF ORONO — SEPTIC SYSTEM PERMIT APPLICATION
�� �� °GE�NE�R���+►L�tN�TRU�TIOI��S � . �� �
1. Appiications for septic system permits may be mailed or submitted in person at the City
offices; however, permits will not be mailed out. The permit must be picked up in person at
the City offices and work must not begin unless the permit card is on the job site.
*** DO NOT MAIL PAYMENT WITH THIS APPLICATION ***
2. Permits will be only issued to contractors holding a Minnesota Pollution Control Agency
(MPCA) Septic System Installers License.
3. All work must be done in accordance with the approved septic system design.
4. The following inspections will be required for all septic systems:
A. Tank installation prior to covering.
B. Drainfield trench installation prior to covering. For mounds, inspection is required after
rough up, but prior to sand placement (sand must be jar tested for silt content) and
again during pressure distribution piping installation in the rock bed.
C. Final inspection to verify final cover depths and to verify that all pump station (where
required) components are functional and comply with codes.
5. MPCA licensed Installers or their DRP (Designated Responsible Person) shall be present
during all inspections.
A 24-HOUR NOTICE IS REQUIRED FOR ALL INSPECTIONS.
W:A(Yermits)ASeptic Permit Application-Updated Surcharge 07-28-1 l.doc
Joseph Olson D.B.A.
Rusty Olson's--Soil and Percolation Testing
Joseph J.Olson—MPCA License#810
11481 Riverview Rd.NE, Hanover,MN 55341
(763)498-8779 Fax(763)498-8290
Revised 1/17/13 ORONO COPY
May 1,2012
Mike Olson
Orono,Hennepin County
This on-site Sewage Treatment System is designed for a Type 1,Five-bedroom home in accordance with
the Minnesota Pollution Control Agency Chapter 7080 and local ordinances.
The periodically saturated soils were located at 14"-20"(mottled soil). Due to the periodically saturated
soils,a pressurized mound system will need to be installed to treat the septic effluen�The bottom of the
treatment area must be located at least 3'above the saturated soils.
The soils at a depth of 12"have a percolation rate averaging ]0 MPI.
All taolcs need to be insulated if there is less than two feet of cover over the top of the tanks.Clean outs
must be installed on the end of the laterals for maintenance.
Use 7/32 inch perforations on the laterals.
A 1300 gallon pumping chamber will need to be installed to lift the et�luent to the treatment area.The
power supply and Switches must be located outside the manhole and pumping chamber in a weatherproof
enclosure.A warning device must be installed with light and sound devices;this is in case of a pump
failure.The manifold and supply line must have back drainage to the pumping chamber.
Keep sll heavy equipment off of the oroposed treatment areas before,durin¢and after construction.
The area around both sites must be fenced off bv the contractor before anv construction be�ins.
With proper installation and maintenance,this system should have no problem in treating septic effluent
effectively.Nothing other than gray water,(laundry,showers,etc.)Human water and toilet tissue should be
disposed of into the septic tanks.Garbage disposals are not recommended.Additives must not be used they
may cause harmfW damage to your septic system. It is recommended that you pump the septic tanks every
two years.
'ncerely,
' Joseph J.Olson ORONp Cppi, CITY OF ORONO
SFPTIC PERMI�' P,�A,Ti`R�IE����
INSPFCTUR �C,.l.f`,(���,�
DATF - PF;RM[T NO.
nr�ruuvr.n ns s�;t3w rrrn
tn�S�7���IS DwIu1�Gv Tv+� � ��'�'«������f��1'ITH C'ORkF•,CTlONS AS NOTED
[� KOl�APPRO�'EO-COKkf,CT&RF:Sl:H�11T
,,,�BEDROOMS. ANY{NCRfASE tAt NUMBER T��«��������i,��,�,=�r�li�r your inli�rmation. All work shall be dvn�
in full cumrliancc�oith all uprlicahlc scptic unJ zuning cudc.
Of BEDROOMS iNVALIDAT�S�HtS DESIGN. rt<<�<<���,,,�„t,;;,��„��;,,�;i�,,,,not,pecificuily nuied in thisreview.
KI.[:P"fHIS PL��X Siif OK Sf�C'AT ALL TIMGS
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OSTP Design Summary Worksheet vNI�ERs�TY ���'�
Minnesota Pollut{o� OF 1�(INNESOTA �°
Control Agency ,. ,���
Property Owner/CBent: Mike Olson ���•�•u
ProjectlD:��
Site Address: 1860 Fox Street, Orono, Hennepin Site B
1. AVERAGE DESIGN FLOW:
A. Design F(ow: 750 Gallons Per Day(GPD) Note: ihe estlmated deslgn jlow fs considered a peok jlow rcte induding a sajery
fac[or.For long term performonce,[he averoge dai(y Jlow is recommended[o be<
B. Septic Tonk capacity: 2250 Gallons bo%o)this w(ue.
�, Number of Septic Tanks or Compartments: �� Eff(uent Screen 8 A(arm? NO
TYDe of Soil TreaUnesrt and Dispersal Mea' Type of Dtstribution'
Q Trenches �Bed Q Mound Q At-Grade Gravi Distribudon • Prmu�e Drstrbution-Levd
0 h' O Q Pressure Distribution-Unkvel
(�Drip Distrb. Q Holdirg Tank Q Ott��
•Selectton Required Benchmark Elev= 941.5 ft
SYner+►TYPe Benchmark Location: TOp Of IfO�
C Type i ❑Type II ❑Type I II Cl Type IV ❑Type V TYPe of Distrfbutipn Media:
Rock
D. Pump Tank i Capacity: �Gallons Pump Tonk 1 Capacity: �Gallons
l�J
2. SfTE EVALUATION:
A. Depth to LimitPng Layer: 20 inches 1,7 ft Elevation 8 Locallon of Limiting Layer: 937.6 ft
B. Meawred Percent Land Slope: 6.0 % 0.0 Location: ShOulde��
C. Soil Texture: �— Lodm Perc Rate: 10 MPI
D. Soil Hydraulic Loadfng Rate: 0.60 GPO/ftZ E.Contour Loading Rate 12.0 Gal/ft
3. DESIGN SUAAAIARY
Trench Design Summary
Dispersal Area �ftz Sidewall Depth �in Trench Width �in
Total Lineal Feet �ft Number of Trenches � Maximum Trench Depth �in
Designer's Max Trench Depth in
Bed Design Summary
Absorption Area �ft2 Media Below Pipe ��n Bed Length �ft
Bed Width �ft Maximum Bed Depth �in Designers Max Bed Depth �in
Mound Design Summary
Absorption Area 625 ftZ Bed Length 63 ft Bed Width 10.0 ft
Absorption Width 20,0 ft Clean Sand Lift �,3 ft Berm Width (slope 0-1%)�ft
Upslope Berm Width 10.0 ft Downslope Berm Width 20.0 ft Endslope Berm Width 12,Q ft
Total System Length $7 ft Total System Width 40 ft
At-Grade Design Summary
Absorption Bed Width �ft Absorption Bed Length �ft System Height �ft
Absorption Bed Area �ftz Upslope Berm Width ��ft Downslope Berm Width �ft
Endslope Berm Width r.�ft System Length �ft System Width r_�ft
OSTP Design Summary Worksheet UNIVERSITY '` i �
Minnesota Pollution ' '*�'<< ,,:
CoMrol Agency OF MINNESOTA �; �,,,.:y��'y'�
„ �
Pressure Distribution Summary
No.of Perforated Laterals � Pertoration Spacing �ft Perforation Diameter 7/32 in
Lateral Diameter 2.00 �� Supply Pipe Dlameter 2.00 in Minimum Dose Volume �
Flow Rate 36 GPM Total Head 14 ft Maximum Dose Volume 187.5
Holding Tanks Only
Number of Holding Tanks � Total Volume of Holding Tanks � gatlons
High Level Alarm? �
4. Additlonal Info for Type IV/Pretreatment Design
Type of Pretreatment Unit Being Instatled:
Organic Loading to Pretreotment Unit =Design Flow X Estimated BOD in mg/L in the effluent X 8.35+ 1,000,000
�g� X �mg/L X 8.35:1,000,000= �lbs BOD/day
Calculate System Orgonic Loading: lbs. BOD/day=Bottom Area =lbs/day/ftZ
�lbs/daY� �ftZ= �lbs/day/ftZ
Comments/Special Design Considerations:
I hereby certify that I have completed this woric in accordance with all applicable ordinances,rules and laws.
Joseph J Olson � 810 01/17/13
�_�_.__
(Designer) 4� (Signature) (License li) (Date)
OSTP Pressure Distribution
UNIVERSITY h �.; �
Minnesota Poltution Design Worksheet OF MINNESOTA �^ �' AM
Control A enc `�-1\�
ProjectiD: v 11.09.22
1. Select Number of Perforated Laterals in systemlzone: �i� __. ..
i��u�L�l�.�l.������..li�.n
(2 feet is minlmum and 3 feet is maxfmum spacing) _
2. Select Perforotion Spacing: 3.0 ft „ - �= '� ,';" "". • • ' Y --
r Mu�u��ui�� I _
3. Select Perforation Diometer Size 7/32 in ,. V,•�����:���<�„�•�,:,�,..,? .,�,...� , ,.�����k ,�-
R'��1 r�nk
4. Length of Latera(s =Media Bed Length-2 Feet. '"''�,.�"�^°'�;,,' ' ^'',� ''�''w..,;���°«��^�,' ,^''
63 - 2�t = 61 ft Perforation can not be c(oser then i foot from edge.
5• Determine the Number of Perforation Spaces. Divide the�ength of l.oterals (Line 4)by the Perforation Spacing (Line 2)and
round down to the nearest whole number.
Number of Perforation Spaces = 61 ft .- �ft = 20 Spaces
6. Number of Perforotions per Lateral is equal to 1.0 plus the Number of Perforation Spaces (Line 5).
Perforations Per Latera! = 20 Spaces + 1 = 21 Perfs. Per Lateral
Check tab(e be(ow to ver�fy the number of perforotions per laternl guorantees less thon o f0%discharge vor�atfon. The value is
doubte if the a center manifo(d fs used.
Maxim�n Numbe�of Perfaatians Pe�Lateral to Guarantee t 10�6 Qischarge Yuiuion
+Irx P . a-ahons 7;321ncnPerforatiorn
Pipe Diarneter Ilnchezl Perforation Spacing Pipe Diameter flnches)
Perforat�on Spac:ng IFeet)
i tYl 1i" 2 3 (Feet) 1 lk 11: 2 3
Z 10 13 1$ 30 60 2 11 16 it 34 68
2►: 8 13 16 26 54 2f 10 14 1a 32 64
3 8 12 16 25 52 3 4 14 19 30 60
3:`16 Inch Pertoratiorts 1.'81nch Perforatimns
Pipe Diameter tlnchesl Perforation Spacing Pipe Diameter finches)
Pe�forat�n Spacmg fFeet)
1 it•; 1�: 2 3 IFeet) 1 th t�: 2 3
2 12 18 2b 46 87 2 2i 33 44 7� 144
1ti� tt t7 24 44 80 7'�: 20 30 41 59 t35
3 12 16 22 37 75 3 20 29 38 64 128
7• Tota(Number of Perforations equals the Number of Perforalions per LQteral (Line 6)multiplied by the Number of
Perfornted Laterals (Line 1).
21 Perf. Per Lateral X �Number of Perf. Laterals = 63 Total Number of Perf.
8. Calculate the Squore Feet per Perforation. Recommended volue fs 4-10 ftZ per perforation. °1`°""°^D1S`"'�p'6PM'
Does not oppl y to At-GrAdes „�„�{„ `p�°`�"°°D1a�`�
,,� ,,,. -,� .,.
Bed Area = Bed Width(ft)X Bed Length(ft) -
,.o• o.,s o.., o.» o.�.
1.5 0.22 O.S7 O.i9 0.9
10 ft x 63 ft = 630 ftZ i°' °.m °." °.°° ,.°`
2.5 �.29 �.65 0.H9 ,.,�
3.0 O.12 0.72 0.98 7.28
Squnre Foot per Perforation =Bed Area divided by the Tota!Number oj Perforations (Line 7). �•� �.37 a.e7 +.73 �.+�
5.0' p,11 0.91 7.36 1.63
A'K�IIn�w1{M 1/16��Ct1 to I/�Irch
630 ft2 . 63 perforations � ��.0 ftZ/perforations �f�� Oertora[bns
Dwellings wiN�i8 inch peAorotiom
2 feet pcher estadistmrnts and MS75 wtc�;�i6
9. Select Minimum Averoge Head: 1.0 fL irc�co�/�inch D�rtora[bra
5 feec �a�r ccaMisnments and N5T5 with i/8 inch
pMorecio�a
10. Select Perforation Discharge (GPM)based on Table III: 0.56 GPM per Perforation
11• Determine required Flow Rote by multiplying the Total Number of Perforations (Line 7)by the Perforation Discharge (Line 1Q).
OSTP Pressure Distribution
UNIVERSITY '
Minnesota Pollution Design Worksheet OF MINNESOTA , '°��
Control A enc •.•.--. ����.
�
63 Perforations X 0.56 GPM per Perforation = 36 GPM
OSTP Pressure Distribution .:,, ,.
UN[VERSITY �
Minnesota Pollution Design Worksheet OF MINNESOTA x�
Control A enc �..?.�J-
12. Select Type of Manifo(d Connection (End or Center): � End ❑ c.e�ner
_ _ -- -----
13. Select Laterat Dinmeter: 2.00 in Table 11
Volume of Liquid in
14. Volume oJ Liquid Per Foot of Distribution Piping: 0.170 Gallons/ft Pipe
Pipe Liquid
�5_ Volume of Distribudon Piping = Diameter Per Foot
_[Number of Perforated l.oterals (Line 1)X Length of�aterals (Line 4)X (inches) (Gallons)
(Volume of Liquid Per Foot of Disthbution Piping(Line 14)) 1 0.045
� X 61 ft x 0.170 gat/ft = 31.1 Gallons 1.25 O.o78
1_5 0.110
16. Minimum Dose=Volume of Distribu[ion Piping(Line 15)X 4 2 0.170
3 0.380
31.1 gals X 4 = 124.4 Gallons 4 0.661
mani plP2, ,_Cleanouts �- ^ -'
1 `�
/ ,'�
� pipe from pUmp i� Manifold pipe�\
,
�
/ � �
r
lean outz --
�
�Alternate lowtion
���� of pipe from pump
alternate laation
of i e from um Pi trom �m
Comments/Special Design Considerations:
,
OSTP Basic Pump Selection Design UNIVERSITY
,,� �
Min�esota Pollution Worksheet OF MINNESOTA "?;�,�,\�,
Control A enc
1. PUMP CAPACITY Project ID: v 11.09.22
Pumping to Gravity or Pressure Dlstribution: � �rarity QQ creswe Selection required 2
1. If pumping to gravity enter the galton per minute of the pump: �GPM (10-45 gpm)
2. If pumping to a pressurized distribution system: 36.0 GPM
(Une f i oJ Preswrc Otstributton)
m treatmm�sy:ce
8 pom�ol Cru�arqe
2. HEAD REQUIREMENTS o o .
�K"°�
A. Elevation Difference �S�ft s,w�
between pump and point of discharge: "�'P'°e
Ekvafbn:�,'
diHerence
B. Distribution Head Losr. ��ft _ ..� ,�.�
r
--------------------------- ----------
C. Additional Head Loss: �ft(due to special equipment,etc.)
Tabte I.F�iction Loss in Plastic Pipe per 100ft
Distribution H�ad Loss Flow Rate Pipe_Diameter Iinches)
Gravity Distribution = Oft ---
{GPM) 1 1.25 1.5 2
Pressure DSstributio� based on Minimum Average Head 10 9.1 3.1 1.3 0.3
Value on Pressure Distribution Worksheet: 12 12,8 I 4.3 1.8 0.4
Minimum Avara e Head Distribution Head Loss 14 i 17.0 ' SJ 2.4 � 0.6
tft 5ft �6 ; 21.8 j 7.3 3.0 � OJ
2ft 6ft 18 i 9.1 3.8 � 0.9
5ft 1 Oft 20 � � 11.1 4.6 � 1.1
25 16.8 69 � 1 J
D. 1.Suppty Pipe Diameter. 2.0 in 30 ' i 23.5 9.7 2.4
2.Supply Pipe Length: 20 ft 35 12.9 3.2
40 16.5 4.1
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E. FricHon Lozs in Plastic Pipe per 100ft from Tabte I: 45 � 20.5 S.0
50 ! I 6.1
Friction Loss= 3.32 ft per 100ft of pipe 55 7.3
60 i 8.6
F. Determine Equtvalent Pfpe Length from pump discharge to soil dispersal area discharge 65 10.0
point. Esttmate by adding 25%to suppty pipe length for fitting loss. Suppl y Pipe Length �� � �� 4
(D.2) X 1.25=Equivalent Pfpe Lcmgth 75 I i 13.0
85 i 16.4
20 ft X 1.25 m 25.0 ft 95 1 20.1
G. Calculate Supply Fridion Loss by multiplying Frictlon Loss Per f00ft (Line E)by the Equiwlent Pipe Length (Line F)and divide by 100.
Suppty F�iction LosS=
3.32 ft per 100ft X 25.0 R + 100 = 0.8 ft
H• Total Head requirement is the sum of the Elevation Difference (Line A),the Distribution Head Loss(Line B),Additional Head Loss(Line C),and the
Supply Friction Loss(Line G)
8.0 ft + 5.0 ft + �ft + 0.8 ft = 13.8 ft
3. PUMP SELECTfON
A pump must be selected to deliver at least 36 GPM(Line 1 or Line 2)with at least 14 feet of total head.
Comments:
DATE TIME
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