235 Plan Review 2018 PLAN REVIEW- SYSTEM COMPONENTS
City/Town go/44V 4V Application No..2C)i S " S
Lot Number // Address
OWNER
NAME e- / gG, e —
ADDRESS a3E Coles, /t- nc.. ) Pc--( .
TELEPHONE# ( ) cs Hit
DESIGN
ENGINEER\SANITARIAN "3, Suet J
FACILITY DESIGNED FOR
A. /Single or Multifamily dwelling
# Bedrooms y Garbage Disposal yes
no 1
Total Design Flow gallons per day (1#4O f eg i t ed
B. Other(describe) l
Design Basis
Total Design Flow 456 gpd
COMMENTS or PROBLEMS:
IDPi�r �� FILE COPY
9,1,93111_
1,41,5 ;0 k Pager I of 16 I 1 - ,. HFAL.TH
BUILDING SEWER
ITEMS TO4....—(7-
pNOTE:
[j-Pipe diameter I
/� Th
Schedule of pipe —e4 t5 'I-1 "'c, Sewer I
r� J
Watertight joints
1" Slope (min for 4" pipe is 0.01 or 1/8" per foot; desired slope is 0.02
or ''/." per foot) C• 3 ytA
Invert elevation at building a00 . O)
Length Z7 1
Alignment and grade
(manholes required at changes in both alignment and grade.)
Manhole (Must have metal frame and cover at grade)
Pager 2 or 16
SEPTIC TANK
(ex ist--,.-, 5 1500 3cAt ...) ,1)
V Tank size at least 200 % of design flow
(minimum tank size is 1,500 gal)
2"-3" drop from inlet to outlet
1-i Minimum 4' liquid depth
v Tees extend 6"above flow line
✓". Inlet tee 10" below flow line(minimum)
L------
Air space(3"above tees,9" above flow line)
✓ Depth of outlet tee(minimum 14")
Access manhole over center of tank and each tee
(ff I - II Number of compartments= 2
f. I4t 0.. T) Gas baffle on new construction
Septic tank detail provided
eic%s c . 2
Buoyancy calculation (if necessary) I
On 6" crushed stone
Pager 3 of(6
DISTRIBUTION BOX
ITEMS TO NOTE:
''`/ Inlet elevations j 9'E , 17
y Outlet elevations 19 S . 3 3
Drop (inlet- outlet) ' I 4
(5e I-P -
Sump (6" minimum) Baffle or inlet tee ( eaG ere-)
1
All outlets at same elevation ventilation J
Manhole cover to grade #of outlets
I/
s�size of outlets (diameter)
�( 1'
Distribution laterals: No, r Size t'{ I
Detail Provided rJDT� 5 S,L I
Pager 4 of 16
LEACH FIELD
Items to note:
QI /
L./Dimension of field(s): Length 3o Width „t2(...)
4/ Number of fields ) Field separation (10 ft. min) -p
Total area provided for disposal 760 (sq. ft.) 3:5A-4-erv‘
(1 x w x no.of fields) � ��
Pettit e
Gallons of treatment provided: �' 1
IGO
Bottom area x loading factor(from 15.242)= gal. \
(must be equal or greater than design flow) CL 4 \
Note: Leaching area must be increased if garbage grinder is used. ( " D
reek
-HwT /
Elevation of bottom of the field q 'reek f
(must be 4 ft/or 5 ft above max.high groundwater depending on perc rate.)
Number of distribution pipes 4
Type t
Length in. 0.005) )1q ,
c1 Ll 7 q
Length
Slope (min. '. ax. { �'3 -� 7
1.---'.. Spacing(6' max.)
'� '
Depth of stone beneath pipe -
min 6")
Pian states stone is double washedi
i/ _ 1/zS�r.xe
2"cover of 1/8" to %" stone over pipe crown /1
/�j
N Ends capped
/Aggregate depth 6" minimum and 12" maximum
r Depth of cover material above stone(min.9")
✓Construction of leaching facility in fill? Yes No/K
Fill is specified as TitleV on plan
v Certification on fill submitted ri e I '.J )
.J )
I/ Fill is specified for 5' around entire syste J
//✓ Separation between lines (6 ft maximum)
i/ Separation between lines and edge of bed -four feet maximum.
Pager 5 of I6
LEACHING TRENCHES
Number of trenches , length _(max.100') width_(min.24)
Depth of stone beneath pipe (6" min)
Leaching area available
bottom=length x width x no. trenches ---
sides
sides=length x depth (2'max)x w x#of trenches sq ft.
TOTAL = sq ft.
note: the effective depth shall be equal to the depth of the trenches below
the invert of the distribution pipe up to maximum of 2 ft.
Leaching are requirements:
Total leaching area(bottom plus sides)x loading factor=gallons treated
Loading factor is based on perc rate(see 15.242)
Total gallons treated by system design must be>design flow for system
LEACHING AREA REQUIREMENTS SATISFIED? Yes 1 , No
(note: leaching area must be increased if garbage grinder is used)
Ground water elevation: e r 5 feet separation
between trench bottom and max. high groundwater.
L Trench spacing 3 x effective width or depth whichever Is greater
Trench width 4 ft maximum
'Pipe slope(min. 0.005 slope,or 6" per 100 feet)
!-----Backfill depth (min. of 9")
/'Ends capped
Distribution lines exceeding 50 ft are vented.
Diameter of distribution pipe_(min.3")
_ Distribution line orifice (min.3/8, max 'A")
The area between trenches shall be designated as reserve area only where
the separation distance between the excavation sidewalls is at least six feet.
Fill is specified as Title V on plan
_ Certification on Fill submitted
_
Fill is specified for 5" around entire system
Pager 6 of 16
PLAN REVIEW CHECKLIST
GENERAL INFORMATION
CHECK TO VERIFY THAT THE PLAN INCLUDES THE FOLLOWING REQUIRED
INFORMATION:
MASS.REG. SANITARIAN, or ✓MASS. P.E. stamp and signature
"Scale of 1"=40' for plot plan
v Scale of 1"=20' for system component details
Legal boundaries of the facility being served including easements
which could affect the impact the system installation/performance.
!/All dwellings, buildings existing and proposed impervious areas
t.-"---Location of all existing and proposed impervious areas
Location and dimensions of the system including reserve area
Design calculations: Sewage flow gpd
Septic tank size required gpd
"provided gpd
Porth arrow, existing and proposed contours
Location and log of deep hole observation test
date of test
existing grade elevations for each test
Pager 7 of 16
PLAN REVIEW CHECKLIST(cont.)
Name of approving authority representative
Name & approval no. of soil evaluator
/ dation and results of perc test
Date of perc test
Location of water lines and other subsurface utilities on facility
_ Observed groundwater elevation in vicinity of the system
complete profile of the system
_ A note on the plan listing all variances to the provisions of
310 CMR 15.00 and local requirements sought in conjunction with the plan
__ Location and elevation of benchmark within 50 to 75 feet of the facility
which is not subject to dislocation or loss during conjunction of the facility
_ If dosing sys in is proposed:
complete sign and specifications of the system
dosing chambe capacity; required ,provided
__ number of dosing c es,
depth of cycles
Pager 8 of 16
PLAN REVIEW CHECKLIST (CON'T)
RecirculatingSa Filters
Complete pl s and specifications
_ hydraulic profit
___ location of the trea went works and nearest existing street
_ street and lot number
Pager 9 of 16
DOSING TANK
Dimensions L x W x D=Vol.
Number size of siphons
Number an. .ize of pumps (No. ,Capacity gpm
Discharge size
Manholes to grade
Groundwater elevati. (min. 1 ft below inlet)
Pump controls
Alarm (on separate power 'rcuit)
Buoyancy calculations(If nee. d)
Pump system calculations
Pager 10 of I6
LEACHING CHAMBERS/PITS
ITEMS TO NOTE
Manufacturer
Installation
Bed Formation
Number of beds of trenches Length
idth
t pth
Leaching area available:
bottom: (length x width x no.of pits)_
sides: (2 x (length x depth (2'max.)+(2 x (width ' depth (2'max) x# of pits.
Total leaching area available= sq. ft.
LEACHING AREA REQUIREMENTS:
Total leaching area (bottom+sides)x loading factor from 5.242
gals. This must be greater than or ei al to the design
flow for the system. Increase leaching area if garbage grinder is used.
Distribution Trenches: every 20 feet
Beds: area for pipe not to exceed
60 x 60 feet
Spacing Trenches: 2 x effective depth or width
Beds: 4 feet between excavation sidewalk.
Manholes(min-one 20" access per unit; a 24" diam for> 2,000 gal units)
Stone around chamber F12"to 48"of/. " to 1 '/z" stone)
2"cover of I/8" to %x" stone
4' separation between max. high GW and trench bottom? Yes No
Pager I I of 16
PLAN REVIEW-SYSTEM SITING
Performed Br Approval#
Witnessed By Date
Location Address or Owner's Name,
Lot Number: Address and
Telephone No.
Office Review
Published Soil Survey: NO YES
Year Published Publication Scale Soil Map Unit
Drainage Class Soil Limitations
Surficial Geologic Report Available: No Yes
Year Published Publication Scale
Geologic Material (Map Unit)
Landform
Flood Insurance Rate Map:
Above 500 year flood boundary No Yes
Within 500 year boundary No_ Yes—
Within 100 year flood boundary No_ Yes_
Pager 12 of 16
Wetland Area:
National Wetland Inventory Map(map unit)
Wetlands Conservancy Program Map(map unit)
Current Water Resource Conditions (USGS): Month
Range: Above Normal__ Normal__ Below Normal_
Other References Reviewed:
Minimum setback distances(where applicable)shall be shown on the plan for the proposed
disposal facility(septic tank and soil absorption system.)
Soil Absorption
Septic Tank System(SAS)
�operty line 10 10
`Cellar walinground
swimming pool 10 20
Slab Foundation 10 25
V'
Water supply
pressure
essure line 10 10
Surface waters
(except wetlands) 25 50
Pager 13 of 16
Septic Tank SAS
Bordering vegetated
wetlands,salt marshes,
inland and coastal banks 25 50
SURFACE WATER SUPPLY
Reservoirs and impoundments 400 400
Tributaries to SWS 200 200
O'etlands bordering SWS or
tributaries thereto 100 100
_Certified Vernal Pools 100 100
Private water supply well
or suction line 50 100
PUBLIC WATER SUPPLY WELL
/.ravel packed 400 400
Tubular 250 250
Irrigation well 10 25
Open, subsurface,or
surface drains which
discharge to SWS or
tributaries thereto 50 100
Pager 14 of 16
Soil Absorption
Septic Tank System
Other open,surface or
subsurface drains(ex-
cluding foundation drains)
which intercept seasonal high
groundwater 25 50
Other open, surface of
subsurface drains (ex-
cluding foundation drains 5 10
Leaching and catch
basins & drywells 10 25
Downhill slope N/A 15' (min) to
top of
3:1 slope
inspection Port(s)
gnetic Tape
__Correct#of deep hole per code revision
Note: slope stabilization shall be provided (including
retaining walls)when an adjacent downhill slope
to a disposal facility is greater than 3:1.
Pager 15 of 16
EFFLUENT LOADING RATES
(gpd/sq. ft./day)
PERC.RATE SOIL CLASS
(min./in.) CLASS I CLASS II CLASS III CLASS IV
<5 0.74 0.60 - -
6 0.70 .0.60 - -
7 0.68 0.60 - -
8 0.66 0.60 - -
10 - 0.60 - -
15 0.56 0.37 - -
20 0.53 034 - -
25 - 0.40 0.33 -
30 - 0.33 0.29 -
Loading criteria listed below apply only to the upgrade of existing systems pursuant
to 310 CMR 15.405 (1)(c)or systems constructed pursuant to 310 CMR 15.417
40 - - - 0.25
60 - - - 0.15
Pager 16 of 16
PLAN REVIEW CHECKLIST
GENERAL INFORMATION
CHECK TO VERIFY THAT THE PLAN INCLUDES THE FOLLOWING REQUIRED
INFORMATION:
_ MASS.REG. SANITARIAN, or MASS. P.E. stamp and signature
_ Scale of 1"=40' for plot plan
___ Scale of 1"=20' for system component details
_ Legal boundaries of the facility being served including easements
which could affect the impact the system installation/performance.
_ AU dwellings, buildings existing and proposed impervious areas
Location of all existing and proposed impervious areas
Location and dimensions of the system including reserve area
Design calculations: Sewage flow gpd
Septic tank size required gpd
" "provided gpd
North arrow, existing and proposed contours
Location and log of deep hole observation test
date of test
existing grade elevations for each test
Pager 7 of 16