HomeMy WebLinkAbout1994-006319 - new septic system PERIV�IT
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CITY OF ORONO � PERMIT TYPE:
2750 Kelley Parkway • P.O. Box 815 Permit Number: '= =-4=�=�='�'_`�:` �`�4�' '.'�:�
Orono, Minnesota 55356-0815 `�°-'�='�=` `-'
(612) 473-7357 Date Issued: ;��;_;i:i �;i:,.:,�;
SITE ADDRESS:
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DESCRIPTION:
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REMARKS:
FEE SUMMARY:
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APPLICANT/PERMITEE SIGNATURE ISSUED BY:SIGNATURE
` �
CITY OF ORONO SEPTIC SYSTEM PERNIIT APPLICATION
Box 66 (2750 Kelley Parkway)
Crystal Bay, MN 55323
JOB SITE ADDRESS: ���,� V� ►'`�-��''� "�(1`'� 1�� f
Occupancy Type: Residential � Commercial Other
Permit Type: New or Replacement System, $100.00
Repair Existing System, $ 50.00
0.50 State surcharge added to above fees
*See fee schedule for non-residential permit fees
Owner's Name: PhoneNumber:
Mailing Address: City:
Contractor's Name: ` ' PhoneNumber: � --�
Mailing Address: � �' � �� �ct%City: •�
DO NOT MAIL PAYMENT WITH THIS APPLICATION
GENERAL INSTRUCTIONS
1. Applications 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.
2. Permits will be issued only to contractors holding a City of Orono Septic System
Installers License.
3. All work must be done in accordance with the approved septic system design. Design
reports are not considered approved unless accompanied by the "Ciry of Orono Septic
System Approval" cover sheet signed by the City Inspector.
4. The following inspections will be required for all septic systems:
A. Pre-installation site inspection to include inspector, installer, and general contractor.
B. Tank installation prior to covering.
C. Drainf'ield trench installation prior to covering. For mounds, inspection is required
after rough-up but prior to sand placement (sand will be jar tested for silt content),
and again during pressure distribution piping installation in the rock bed.
D. Final inspection to verify proper fmal cover depths and to verify that all pump station
(where required) components are functional and comply with codes.
5. Individual holding MPCA Installer Certificate shall be present during inspections. A 24-
hour notice is required for all inspections. �
,
3 � G�
�
� J
NOTE: Applicant must initial all spaces. Fill in all appropriate blanks, check all appropriate
boxes.
1. I have received a copy of the system design including the City of Orono
Septic System Approval Cover Sheet.
2. I will be installing the following:
A. Tanlcs: � Precast Concrete _ Other Manufacturer � / Y���i�
Tank Capacities: 1) ��o gal• 2) �� gal. 3) %2 gal.
B. Pump Station (if required) �
Pump make & model �� �iY1 (attach pump curve &
literature); system design r quires �f1 gpm at � feet of head.
High water alarm make & model Outside
electrical work to be completed by installer electrician �C
other . Inside electrical work must be completed by
electrician.
C. Treatment System:
198 C.�'h��
� Trenches: s.f. �� Mound
Depth of rock be ow pipe �' Rock bed dimensions 'x '
� Drop Boxes Sand bed dimensions 'x '
Distribution Box Pressure Dist. Pipe Diam.
��
Maniford Pipe Diam. "
D. Final Cover/Topsoil to be: � bonowed from site
(show location on site plan)
trucked in
The undersigned hereby applies to the City of Orono for issuance of a septic system installation
permit, agrees to do all work in strict accordance with the ordinances of the City and the
regulations of the State of Minnesota, and certifies that all statements made on this application
are complete, true and correct. �
. . � `_f�� �'�
SignatureofApplicant: > > ��te: ` �
MPCA Certification No.: ��' F �7
Staff Review: Approval Denial
Reviewer:
Date: ����`��
Reason for Denial:
� - �:"�a�
�`� ;,����
� O� �;`�`��� :- ;:�w CITY OF ORONO
. - S�PTIC SI'ST�M APPROVAL
� . � `� .
� ' � � � C ITY of OR��O
�,,�,�,��
� ������ ��,- � F�-����
� � ��� � ,,;;�. � Mun;cipa,otlices
�'�. d,1;�� �. Post Office Box 66
� �� ''� �r�� _. CJ Crystal Bay,Alinnesota 55323-0066
� ��� ��� �
�kES�I�4/
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LOCATION: 1485 Green Trees Rd.
OWNER: David & Margaret Vegeyle
GENERAL CONTRACTOR: SEPTIC CUNTRACTOR:
SITE EVAI.UATOR:Maple Ridge Soil Testir�PORT DATE: ,Tanuary 31, 1994
The City of Orono has Approved your on-site system design as of February 2, 19 9 4
(approved-disapproved) (date)
with the following conunents: Based on the proposed house location, a three
bedroom septic system is the maximum size possible. Extra care must
be taken to direct driveway drainage away from the drainfield sites .
THIS IS NOT A PERMIT. Tliis is a design approval form which cnust accompany the site plan. A permit must
be issued to a licensed septic contractor prior to installation. A list of currently licensed septic contractors is
enclosed.
NOTICE TO INSTALLERS: Any changes to tlie approved plans and specs must liave prior approval of the
Inspector (473-7357). Call for inspections 24 hours in advance.
ALL DRAINFIELD ARCAS MUST BE FENCED OFP prior to building site excavation and fencing must remain
in place until final site grading. Approval to pour footings will not be granted until the Inspections Department
has verified that primary and alternate sites are adequately protected.
NO VEHICULAR TRAFPIC OF ANY KIND (cars, trucks, earth moving equipment, etc.) is allowed witl�in 20'
of tested draiiifield sites either before or after systein construction. Compaction of these areas could render them
unusable prohibiting the timely completion and or limiting t(ie long term use of the property.
A site copy will be available at the City Offices for the septic contractor.
CITY OF ORO O
�'
By ?..�.-�—�
Stephe ecicman, On-site Systems Manager
TELCI'I IONE-473-7357• FAX-473-0510
,
. � � � MA PL E R/D G� S�I L TES TING
M.P.C.A. Cert. No. 1498
. RICK WELLER .
Route 1, Box 87 • Stanchfield, MN 55080 • 396-4270 or 434-6856
Property Owner/Address :
�cL.Y' fv � 1'yl�-�� 0.y2� �Go) 'e-��.�,
Legal Description/County:
t�a+ � ►'�t k 1 �, ,� i �-r"w�s p ��� ��3
(.�r�en rtr�e5 G ' � � � Ro�C�
� Dear Owner/Contractor/Installer/Inspector:
This is the site evaluation for the property described
above. Please contact Maple Ridge Soil Testing if any
questions arise. All measurements shall be double checked
by the Installer before installation, especially well
locations .
All work completed shall meet the M.P.C.A. 7080 Code
Regulation effective May 15, 1990 and the State Well Code
Chapter 4725 . All materials used for construction shall
conform to the 5tate Plumbing Code Chapter 4715 and the
M.P .C.A. 7080 Code.
� The 7080 Code recommends to do maintenance on your on-site
sewage treatment system septic tank every one to three years
depending on usage.
Respectfully submitted,
✓ / -�_�.___ � �3 � � 4
/ �
Rick Weller
Owner
Maple Ridge Soil Testing
Certification #1498
Perc Tests � Soil Boring � Sewer System Design
' �NDIVIUUAL SEWAGE TREATMENT SYSTEM WORKSHEET
3 P��
� FLOW Estimatcd Sewage Flows in Gallons per day
A. Estimatcd y 54 gpd �6},��
measured x 1.5 = gpd um r
SEPTIC TANK VOLUME of Typ�I Ty�[I Ty�[i[ Ty�
B. � � � , C�O� gallons Bedrooms (V
2 00 225 ISO
SOILS(Site evaluatior�data) 4 300 218 �
or Ui.
C. Depth to restricting layer= �O "�'" feet 5 750 450 294 v'�°`�
D. Maximum depth of system C-3 ft = 3 � fect 6 900 525 332 �'���
E. Percolation rate �3 � � �- MPI.�rb�, �"•�,.c`„c."_ �ySa- ��N- laa.r.� 7 1050 600 370 �iu`
F. Soil Sizing Factor 2•�sq ft/gpd (Sce table 3) s;2,;r►.� �t -},y Q� g 1200 675 408 �,,,,,,,,,
TRENCH BOTTOM AREA
Septic Tank Capacitics,in gallnns
H. For trenches with 6 inches of rock below the pipe:
Number of Minimum Li uiJ Li uid ca acit wi
A x F= x = sq ft of bottom area IIodrooms Capacity9 garbage disposnl
I. For trenches with l2 inches of rock below the pipe:
A x F x 0.8= x x 0.8 = sq ft of bottom area 2 0�ie5: �iu
� J. For trenches with 18 inches of rock below the pipe: a"o�6 ---i3� '
A x F x 0.66 =°�'�o x 2•� x 0.66$��sq ft of bottom area �•8°`9 2°c�o 3oc�
o�u 9 ____._
K. For trenches with 24 inches of rock below the pipe:
AxFx0.6= x x0.6 = sqftoflx�ttomarea
BED BOTTOM AREA
L. For seepage beds with 6 or 12 inches of rock below the pipe;
1.5 x A x F= 1.5 x x = sq ft of bottom area SoU Ch•rractcrlstics and Rcqulrcd Arcas
for Scwagc 1Ycalmenl
ROCK VOLUME IN CU FT
Percolation Rate in Squam Gallons
M. Rock depth below distribution pipe plus 0.5 foot times bottom area: n,u»��a ��,�n soar�x��� r�«P« ��e,Y�
M=Rock depth(ft)+6 inches x Area (H,I,J,L or K) �M�� a■a«��� ��,R r�
( 1,�#t+ 0.5 f t)x�f=//�cu f t Fascu than 0.1 • Cwrse Sand -
ROCK VOLUME IN CU YDS o.��s s��a 0.83 �.zo
IV. Volume in cu ft divided b 27 0.��s I'inosand•• ►.b� 0.60
}� (�}�j' 6 w I S Sandy Loam 1.2? 0.79
M+27=cu yds�+27= `f�cu yds 16�� �� . 1.6� o.�o
ROCK WEIGHT � �y m . oas
stoW�:�„�60••• c�.y
O. Cubic yards times 1.4 = tons �/ '--" ���-
N x 1.4 = tons �7 x 1.4 = �i Ztons cJ�a..� Z a ?'rw
DISTRIBUTION
(Check one based on slope)
r 1'•l•1•f•t•l•l•l•l�r�l•f.t T
Bed (less than 6% slo�p� •ti fti j1 ft ft j1 f�.fti�ti�'.f�.�ti ft f Z jnCfl COVCT
C" .ti•ti•'L•1•ti.ti.1,.ti.ti.�..•,.ti.ti.
Trenches f'f•f j•f�r�f�f'��f�r�r�f "�
•ti�t•ti•1•t• . �•ti ti
.ti:�yf1:1f� ��r�.�fti: I
�Drop boxes(any slope) f.f.f. :•;;fr;;r
fti.ti.ti•ti
•r•r•f• 'f•r�r�'r 4 inch Pipc
Distribution box(level to slightly sloping) ,rtif~f~f: ,f;ftif;f
ti•t•t•ti• • ti.�,.ti.
TRENCH LENGTH '.'r'r'f•f' r'f:::f:f
ti.ti.•,.,.ti.
r•r•r•r•r•r•r•r•r�r�r�r%:�r
P. Select trench width= 3 ft f�ftftiftiftif'��,'t ftiftftf�f�ftif
jti•ti•'t•ti•ti•ti•ti•ti.ti.ti.`.ti.ti.
.f.f.d.f.f.f.f.�.f.f.:•t.r �1
Q. Divide bottom area by trench wid th: (H, I,J,or K)+P= ti f;f;ft f�ltifti��fti f�f�fti fti� ���.
lineal feet l�t:r:f:f:d�ftf����•����ti�ti� #ilinch
f•f•r•t•r•l
'''�'�'�'ti'ti'�'�'�'�'�'�'�' Rock Dclow thc I
s�+ 3 =�I i nea 1 f ee t 1?,�?`r{rti�tir1rtirtirtir`�tirtif
:�f�f�f�f�r�f�f�f�r�'�'�r�' I
LAWN AREA ti.ti.ti.ti.ti•ti.ti ti.ti.ti.•,.ti.ti.
' f•f•f•r•l•f•f'f'f•l'f'f'f•r 1
11t�l1ttirtil�f�rti�~������ti�ti�
R. Select trench spacing,center to center= 7 feet `�f�'�f�`�f•
S. Multiply trench spacing by lineal feet R x Q= sq ft of lawn area
�x�=��'�sqft
LAYOUT(Use other side) ,
1.Select an appropriate scale;one square= 2O feet.
2. Show pertinent property boundaries, right-of-way,easements.
3.Show location of house,garage,driveway,aiid all other
improvements, existing or proposed
4.Show location and layout of sewage treatment system.
5.Show location of water supply wcll.
6. Dimension all set backs and separation distai�ces.
� � � ��e � r�,�,�.-
' � Sizin� of Pumn Station
1. Detcrmine Surface Area T
Rectangle = Area = L x W � 2�o ��l Wideh
x = square feet 1
Length
Circle= Area =t[ x{Radius}�
3.14 x x = squaze feet Radius
Other=Get Surface Area from Manufacturer n=3.1a
square feet
2. Calculate Gallons Per Inch
There are 7.5 gallons per cubic foot of volume, therefore you must multiply the area
times the conversion factor and divide by 12 inches per foot to calculate gallons per inch
Area x 7.5 gpft'+12 inchs per foot
x 7.5+12 = 2'�gallons/inch � 2 50
3. Calculate Gallons to Cover Pump(with 2 inches of water covering pump) Estimated Sewage Flows in Gailons per day
(Height(in)+2 inches) x gallons/inch(�t2) ���
���( 'L- + \b )X 2�r� _�_�d1�OnS um r
of Type I Type II Type III Typc
( k," To+.2 Bedrooms IV
4. Calculate Total Pumpout Volume
a. To maximize pump life select sump size for 4 to 5 pump operations per day. 3 450 32050 2g8 �
L O gpd+4 = 1 f Z � 5 gallons per dose 4 600 375 256 °r`'"
b. Calculate drainback S 750 450 294 �';��
1. Determine total i e len th �o feet. 6 � 525 332 �a�.
P p g ..� � ioso boo 3�0
2. Determine liquid volume of pipe,/� %Y3gallons per]W feet. 8 1200 675 408 �iW°,�,.
3. Multiply length by volume: Drainback uantity=
�_feet x l�,'f3 gallons/100 ft._�� galions.
P' d'umaa inrhn C■Ilans er 100 feet
c. Total pump out volume equals dose volume+drainback
I l 2 .S eallons per dose+ 5� gallons= � b��S gallons 1.25 7.77
1.5 10.58
5. Calculate Volume for Alarm(typically 2 to 3 inches) 2 17.43
Depth(in)x gallons/inch(�s2)= 2.5 24.87
_�x�__�gallons 3 38.4
4 66.1
6. Calculate Reserve Capacity(75% the daily Flow)
Daily flow(see page D-7)x.75=
��x.75= 3�?'�gallons
Reserve Capacity
7. Calculate total gallons
gallons over pump+gallons pumpout+gallons alarm +gallons reserve capcity
#3+ �i4 c+# 5+#6 Q.es .
�►�+1�+ �� + 3�j�'S= l u 3�gallons Alarm .
Pump On $ ''
8. Total Depth (Total gallon divided by gallon per inch)
Totai Gallon (#�+gallon/inch(#2) (a ��
I b345 +�?_�`�inches To I Pumpout Volume
Pump Off
�--___
Pump Height ��
l. Float Separation Distance(equal total pumpout volume) ��" 4"
Total pumpout volume(�i4c)+gallons/inch (ii2) ����f�
�}�_��inches
•f .
� • PUMP SELECTION PROCEDURE
A. Determine pump capacity: ��
�
Cravlty Distrlbutlon E►JD PERFORAT��P� �F A PERfORATED LATERAL
1. Minimum suggested is 600 gallons per hour 1 gpm) t stay ahead of ��,N�,,,,,
water use rate.
Topwll �
2. Maximum suggested for delivery to a drop box of a home system is 2,700 , ...�,, _
gallons�per hour(45 gprh) to prevent build-up of pressure in drop box. '� ` �o«�,,s�,w ,,ri, �,�„�,°���������«Wl�k���
���' w11A rosl�paper)
Pxlwollw�p�I1Nd 1laltonlallr
Pressure Distribu n / � � ��o D ►Naf 10p
3. a. Select numbe of perforated lateraj6 '%p • � � ��� 1z•�� �a•
� _ o MI Rac = ol Roct Lay�r
b. Select rforati s acin ft. � � '` - � �
Pe P b' �� v«raa��on.t.xa�.a o�
c. Subtract 2 ft. from he rock 1 er length.
� Clwn Sand l.oytr Bo�tom el Lat�ral
��,-2ft. = j . . , . . .
ak��oi son �en.riy s�«�nw
e.�a.Pwa� sa�e�ar..
d. Determine the num o spaces between perforations.
Length perf. spaci = ft.+ ft.= SpaCes TABLE OF PERAORATION DISCHARCFS 1N GPM
e. spaces+ 1 - orations/lateral
f. Multiply perfor Nons per latera y number of laterals to Head PerforaHon dlameter(lnches)
get total num r of perforations. -
�� x �= perforations. ��n ��'
�.a o.sb oaa
g _ l S Ob9 0.90
r.r. X aT�_ gpm• 'L� 2.Ob o.80 �.oa
1 o z.s o.sv i.v
3.0 0.98 1.28
SELECTED PUMP CAPACITY gpm 4.0 �.13 t.4�
5.0 126 1.65
B.Determine head requirements:
1. Elevation difference between um and mt of dischar e. AUse l.0 foot of head for residentlal systems.
��pfeet v� g bUse 2A kes of head for ocher esmbit,hn,en�s
2. If pumping to a pressure distribution system,add five feet for pressure
required at manifold
� feet
3. Friction loss � �P��B�
a. Enter fricdon loss table with gpm and pipe diameter. Point of D;scharge
Read friction loss in feet per 100 feet from table.
F.L. _ � Z2 ft./100 ft of pipe Elcvation Differcnco
b. Determine total pipe length from pump to discharge p„n,p
point. Add 25 percent to pipe length for fitting
loss,or use a fitHng loss chart. Equivalent pipe F-18b
length-1.25 Hmes pipe length= 1.5 inch 2.0 inch 3.0 inch
� 2m x 1.25 =�feet gpm ��aa,�..P«ioo n�c Pi�
c. Calculate total fricdon loss by multiplying
friction loss in ft/100 ft by equivalent pipe length. 12 0.96 0.28
Total fricNon loss= �ob x , z +100= (3 , feet 14 1.28 0.38
4. Total head required is the sum of elevation difference, 16 1.63 0.48
s ial head uirements,and total friction loss. 18 2.03 0.60
p� � 20 2.47 0.73 0.11
25 3.73 1.11 0.16
� 4° + � +�� 30 5.23 1.55 0.23
(1) (2) (3c) 35 7.90 2.06 030
40 11.07 2 039
.28 0.48
TOTAL HEAD 2� feet SO 3. 0.58
SS 4.76 0.70
��� 60 5.60 0.82
C. Pump selection I�
1. A pump must be selected to deliver at least�gpm (Step A) �
with at least 2�feet of total head (Step B). �]�/e��j n v rYY� �
/
t'
�G�.�� � S �o�- � �a Q� �' i� � � ►� a�� z� H��d ��`
`Z �e �c�..�w�, L���---� �� ` _ c,R�.-c.�, �c�w�.- G�r�
� Location of Soil Treatment System
Item - Setback Distance -
Water supply well lcss than 50 feet of 100
casing and not encountering ]0 feet of .�� ' ��
impervious material �
Any wacer supply well or buried water 50
suction pipe
Building � - - • 20
Streams, Lakes or other bodies of water S0,75, 150
(Shoreland ManagmentAct)
Property lines or buried pipe distributing � Zo �
wa[er under pressure d �i ve. w
Trees: Where disposal trenches are constructed within 10 feet of trees
6 inches or larger in diameter or dense shubbery, or where it can be
rcasonably anticipated tha[�such vege[ation will be present during the
life of the system, a[ least 12 inches of draintield rock shall be placed
beneath the distribution pipe. �
(7080.0170,Subp.2.C. 8, Page 24)
Location of Septic Tank
Itein Miniinum Setback Distance
Property Liiles � - Zo �
Buried Pipe Distribtiting 10
Water Under Pressure
Building �f- - Zo �
Water Sup ply WeIIs or �5�., -- � � �
Buried Water Suction Lines
Fcurc C-3
� VERTICAL SIDEWALL SEPTIC TANK �
�-FINISHED GRADE
�'`---AT LEAST �� 6"TO 12" SOi� AT LEAST � •
�-_ 4" DIA. COVER 4r DIA.� .'
M��y I— AT LEAST I" � � � AT LEAST I"
� ..._ � < ,.,_ .;.-. ,.;-:
• � (- �
—�- T l A DIMENSIOtJS FOR TANKS WITH vE�riCa�. S10E5 A
WIOTH. W 24' MINIMUM
LENGTH, L 2 TO 3 TIMES THE WIDTH
B DIAMETER 60" MINIMUM :
; � DEPTH, D 30' MINIMUM• 78" MAXIMUM C
n 0.2 D '
--AT LEAST g 6�� MINIMUM; 0.2 D MAXIMUM I _ _
3r c o.a o L
6"
- — � --AT LEAST 4 FEET— — —+
NOiES: �
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OnF�LES
Fiburc G8
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w 12'Itrptns ot dro�n I�I• � ft. moL � /
..\ � g /��
r —
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18�mm� S ft. maL I � �
, � � A I � i A
clron � � 8 / �
rock � ��' �
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2 I/2 � �
i � � I
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/l �
Imoect�o,r {�oe S�op� o�wrfoce noi fo nceed
2B'in my��cr�«,.Ba�om or�d �w.+
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i
UnnwtM drld�n0 Daoer or ' �
2'byer of hay w slro.v �� y
��2'min Maru+xm fbDe 4'DK�O�cTwiimurn
I�fa 2� pa 100'preferred �
~• � Seclion A-A
� Cteon rock
311.mm. ty wter 3/4 ta 2 I/2�d;a.
rae�e o��bearocx
� �� — $eCtion C-C
� — —
� Soii Ir�otmenl areo equols tolal Doltom oreo
Figurc D-3
. � . .
INSPECTION WELL
T1GHT CAP -�— ,
SOLID PIPE �� 6-36� .
COUPLING t �
HAPIfl-�tvt�fl-8A£fCf1tL I IO�
--4 C.��FJrUL ��4�f-Ef7::-fl�RSFi'titY'f-@R-S3'��1. _�
i�
. . . �
ROCK:y2-2y`z� DIA. 12'
I I
—L
SlOE VIEW OF TRENCH
.: c-� . , .:.,.�
BACKFILL I
I � 10" --�� `(J�I G
r10TE� INSPECTIGN PIPE � �
CAN EXTENO A80VE O � i
GROUNO LEVEL 6" TO ROCK �
36" INCHES. USE THE y2'_2y2 p�q. . �2"
36� LENGTH IF WINTER • �_
INSPECTION I S REQUIR . 24" WIOTH
TOP PART OF END VIEW
�NSPECTION PtPE SHOULD DE SOLID
TO PREVENT OOORS FnOM ESC.�,PING.
Fburc D-7
T
T� ��T 4'DIAAIETER INSPECTION
PIF£ TO NEXT CR£D����6A�-'1�I�IN6 yyELL W�TH CAP
INLET pROP X � Y'�G
EA/iTH BAGKFILI. AT L 7
� � 6'A00VE TOP OF ROCK
ti
AT LEI►5T 6� DEPTH OF CLEAN • �
ROCK �/4 TO 2�/2 DIA. SEE N07E 3_
�
DROP BWC �
—AW(IMVM �ENGTH • 100 FEET
OVERFILL NOTES� 1. B�OM OF TRENCN MUST BE LEVEL. Tl7P OF TRENCH
4 TO 6 INCHES ROCK MUST BE LEVEL_
�___�_INSPECTION Z, SLOPE ON DISTRiBUT�ON PIPE IS BETWEEN
� \wELL �VEL /WD 4 INO�ES P£R 100 FEET.
RECOMAAENDEO SLOPE IS LEHEL.
BACKFILL 6• 1p �2• pF
SOIL BACKFILL 3. OISTRIBUTIpN PIP£ CMl BE PERFORATED
• �1 PL'ASTIG INSTAL�ED W1TN ONE ROW OF
? _� . HO�ES ALONG THE PIPE BOTTOM, PIPE
�2�DEPTH OF MUST F1AVE A BEAAING STRENGTH OF
` ROCK A80vE AT LEAST 1000 LB/F7.
�•` � PIPE 1�'p"
ROCKO AT LEAST r�F 4. MdINTA1N N4TURAL SOI(, STRUCTURE IN TFiE
l ROCK BELAW TRENCN SVRFACES W CONTACT WITH ROCK.
—1�p�PE. SEE
NOTE 5. � µrHERE �EES ARE Pft£SENT OR LIKE�Y TO 8E
I - TO 36 PRESENT DURING THE LIFE OF TNE SYSTEM,
f�12 INCHES OF ROCK MUST 8E PIACCD IAVDER
TNE DISTRIBUTIOH PIPE.
TRENCH CONSTRUCTION DETAILS
Figurc D-1
�. � . F'INAI. GROUND SIJRFACE
, � '�-
� MAXIMUM SOIL MINIMUM SOIL
COVER OF 34" �COVER OF 6' �
����� �.�.�. �
� c � 4'��-`� .
' o o • • e • • • • � • � .
`. 4.�( <<,.� ., °�4�
�`.4`. ^ <<<< � <. ��4�2� OF ROCK
` `` MQXIMUM ROCK MINIMUI��ROCK DEPTH OF�IS"
���•. OEPTH OF i� �'<<f`�t::.,�� �.
�
BOTTOM OF TRENCH
MINIMUM D(STANCE MINIMUM OISTANCE IS
TO FINISH GRADE IS 3.0 FEET OF SOIL
4.5 FEET (THIS COULO SUITAB�E FOR TREATMENT
BE 3.0 FEET OF OF SEwAGc TANK
ORiGINAL SOIL AND 1.5 EFFLUEN7
FEET OF FILL)
SEASONALLY SA7URATED SOIL
OR IMPERvIOUS LAYER
OEPTN AND SEPARA710N REQUIREMENTS FOR
DRAINF(ELD TRENCHES OR SEEPAGE BED
F�urc D-5
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1 .(^(�,. � ..��.i. 'f�� `�: I�
��L. ". .,.:;= .L•i'���i�``. :�--r---MWND FILI 4•�6•
� � ••�ti.�:::i.�- :t::�� � � SETTI� FOR
r ' �� �� ��i�-,,. .�", 2�, i
.a. `.�' :l.� � � 1" �
��2: -,.�,%��4��� . :` r ,.,ti,�`--��f-' � — �`—GRASS COVER
? :' � ,�Q" `JT.. y` � !/f� �� � .
,�_ ����"�~o ..• r.}�%'` �� �---r--��6� TO 34� OF SOIL
-��:k.t.'ij. �� COVFR ABCNE ROCK
�,..:.`i`�'Lrrt'., J����:y� 'i -- --��r—3/4' TO 2 12� DIA.
'� .,,r`i=�:p�~��'�.,, :.�;'.; �% �-- ��_ .'� �arr Roac
�} .,. : .:.,<• 5�:;:: �: �� .
�,�����'+���;;���'�P;�t�� � �'�� �1N--F'AF'�!!'OR OTEKfIIF FABRI
�F^,; i i'
.� �- '
�`'.,�•'OISf�R ,S'f `:�., . � r�� ---TRQ�OI BOTTOM MUST BE LEVEL
U� � � , i i THROUGilOUT �ENGTN
ii
• + tr��l. �.
�•` �:,'� i ap'
`�'.),. -,� __ •
.) �� iI 2' 1IINIMUAI ROCK CAVER ABOVE PIPE
,/'� ,•'�~ /i�
•'c���=� � ��-- —6� MINIf�AUM ROCK CEPTN BELOW PtPE
`��.;� /�' �� Z4' MAXIMUM ROCX DEPTN BELOW PIPE
. f , , ��
� ,,�
�� S �___�..`____ I�---4� DI/L RIGID PERFOFtATED PLASTIC PIPE WITH ONE ROW OF
\�\ O t(.f�t / �� � MOIES ALANG 00TTOM
�\� \�� �j ��.
��\ I ��i � ----WA7ER TpBLE OR Il.1PERVIWS IAYER SUCH AS QAl'FAN,ROCK� ETC.
��� 1��i
�� y�i
�� �i
♦� �/�
♦ i
Figurc D-6
� ` � � J IVIAPLE RIDGE SOIL TESTING
� � Perc Tests • Soil Boring • Sewer System Design • Inspections
PF�OJECT �--�"" � BI� I ���fiJ'�-S DATE � " �� � u
(' �'�"�! �, /; �� r�� ---
CLIENT �`2--e-� � �s�' �
,
���„�a�.;t,v� 9 (,a FINDING (o
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�?�.t�w 10 o--w..
SOIL TYPE -To ,P so � 1 ��'�
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INSPECTION NOTICpE SCHEDULED — � `
PERMIT NO. ��3�1 COMPLETED � ��
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TELEPHONE NO.
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Q 02 FRAMING 11 MECHANICAL FINAL 18 EXCAV/GRAOING/FILLING
y 03 INSULATION 24/25 WOOD BURNER/FIREPLACE 19 LAKESHOREIWETLANDS
� 04 WALL BD. 12 WATER HOOK-UP 34 TREE REMOVAL
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� 07 DEMO—SITE 14 SEWER HOOK-UP O6 PROGRESS
`� 07 DEMO—FINAL 27 SEPTIC MAINT. 21 COMPLAINT
� 09 PLUMBING RI PTIC INSTAL 22 FOLLOW-UP
J 10 PLUMBING FINAL 23 SEPTIC AL
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INSPECTOR WILL RETURN
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❑ INSPECTION REQUIRED.CALLTO ARRANGE ACCESS.
Call for the next inspecti n 24 hours in advance.473-7S�J7
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Inspector. �—�
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—D%TE ?TIME
CITY OF ORONO CALLED IN � �
INSPECTION NOTICE SCHEDULED ' 7 �°�
PERMIT NO. C� ��I� COMPLETED � �
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TELEPHONE NO.
� DESCRIPTION �
� 07 FOOTING 11 MECHA CALRI 16WELLTESTPUMP
Q 02 FRAMING 11 MECHANICAL FINAL 18 EXCAV/GRADING/FILLING
y 03 INSULATION 24125 WOOD BURNER/FIREPLACE 19 LAKESHORFJWETLANDS
Z04 WALL BD. 12 WATER HOOK-UP 34 TREE REMOVAL
Q 05 FINAL 13 METER SETITURN ON 17 SITE INSPECTION
� 07 DEMO—SITE 14 SEWEF HOOK-UP 06 PROGRESS
`� 07 DEMO—FINAL 27 SEPT 21 COMPLAINT
= 09 PLUMBING RI S _ . 22 FOLLOW-UP
� 10 PLUMBING FINAL 23 SEP�T�I �AL
� OWNERICONTRACTOR TO MEEf YOU:_l� YES_NO �
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INSPECTOR WILL RETURN
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❑ INSPECTION REQUIRED.CALL TO ARRANGE ACCESS.
Call for the next inspection 24 hours in advance.47�73�J7
OwnerlContractor on si :
Inspector.
White Copy/lnspector's File Canary CopylSite Notice
D TE TIME
CITY OF ORONO CALLED IN �
INSPECTION NOTICEp/ SCHEDULED �/ `� y' �-�' �� a
PERMIT NO. � ��O 10 COMPLETED
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� DESCRIPTION.�j,��l�,,��
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y 02 FRAMING 13 MECHANICAL FINAL 19 LAI�SHOREJWETIANDS
Q 03 INSULATION 24/25 WOOD BURNER/FIREPLACE 34 TREE REMOVAL
Z 04 WALL BD. 12 WATER HOOK-UP 17 SITE INSPECTION
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~ 07 DEM�SITE 27 SEPTIC MAINT. 21 COMPLAINT
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� 07 DEM�FINAL 15 SEP 22 FOLLOW-UP
= 09 PLUMBING RI SEPTIC FINAL 35 HARD COVER REMOVAL
� 10 PLUMBINO FINAL f 36 FOUNOATION REMOVAL
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Call for the next inspe tion 24 hours in advance.47�73�J7
OwnerlContract �
Inspector. ' -� f ,
Whife Copyll�spector's File Canary CopylSite Notice
DATE TIMF[
CITY OF ORONO CALLED w � -� !•. S�L�
INSPECTION NOTICE scHEou�Eo //-/G � 9� � c2' rG"YJ�
PERMIT NO. S�/ ,�� COMPLETED
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� DESCRIPTION
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� 02 FRAMING 13 MECHANICAL FINAL 19 LAKESHORE/WETLANDS
� 03 INSULATION 24/25 WOOD BURNER/FIREPLACE 34 TREE REMOVAL
Z 04 WALL BD. 12 WATER H�OK-UP 17 SITE INSPECTION
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Z 05 FINAL 14 SEWER HOOK-UO 06 PROGRESS
~ 07 DEMO—SITE 27 SEPTIC MAINT. 21 COMPLAINT
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= 09 PLUMBING RI SEPTIC FINA 35 HARD COVER REMOVAL
J 10 PLUMBING FINA� 36 FOUNDATION REMOVAL
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INSPECTOR WILL RETURN
O STOP ORDER POSTED.CALL INSPECTOR CITATION ISSUED
G INSPECTION REQUIRED.CALL TO ARRANGE ACCESS.
Cali for the next inspection 24 hours in advance.473-73�J7
OwnerlContractor o
Inspector. �---�-- � ��
White Copyllnspector's File Canary Copy/Site Notice