625 Plan Review 2018 PLAN REVIEW - SYSTEM COMPONENTS
City/Town No4+tct.npNI Application No. a 018-10
Lot Number Address
OWNER ,i I
NAME I/ ho^+e-S/ . 1/-(c1.1I5 ar�
ADRESS (0 ,7 WeS 1 w rL 20J
TELEPHONE#( t113 ) JC3 - a4O8
DESIGN
ENGINEER\SANITARIAN AL...) e is
FACILITY DESIGNED FOR
A. / Single or Multifamily dwelling
# Bedrooms Garbage Disposal yes
Total Design Flow gallons per day
B. Other(describe) (33o cse u.red
)
Design Basis C•
Total Design Flow 3 6 e9 gpd
cleci
COMMENTS or PROBLEMS:
API fi
✓ / cJa.S t LSC
Pager 1 of 16
BUILDING SEWER
ITEMS TO NOTE:
1,7 1/7-- Pipe diameter
VCWatSchedule of pipe G{(] PVC-
Watertight
ertight joints '
Slope(nun for 4" pipe is 0.01 or 1/8" per foot; desired sloph is 0.02
or WI per foot) II . p� j
1,7 Invert elevation at building
Length
5 '
Alignment and grade
(manholes required at changes in both alignment and grade.)
Manhole(Must have metal frame and cover at grade)
Pager 2 of 16
- / SEPTIC TANK
Tank size at least 200 % of design flow
(minimum tank size is 1,500 gal) •
1N
2"-3" drop from inlet to outlet '
$S . aor
V Minimum 4' liquid depth
V Tees extend 6" above flow line
✓ Inlet tee 10" below flow line(minimum)
V Air space (3"above tees, 9" above flow line)
Depth of outlet tee (minimum 14")
Access manhole over center of tank and each tee
Number of compartments
✓ Gas baffle on new construction
Septic tank detail provided
Buoyancy calculation (if necessary)
)
On 6" crushed stone 3/q — / /z $4061e
Pager 3 of 16
DISTRIBUTION BOX
ITEMS TO NOTE:
' Inlet elevations
98. To
/
k Outlet elevations $$ . 4
1 Drop (inlet- outlet) 20
Sump (6"minimum) Baffle or inlet tee
All outlets at same elevation ventilation
Manhole cover to grade # of outlets
size of outlets (diameter) `4
T
14
yte
Distribution laterals: No. oZ Size
V Detail Provided
Pager 4 of 16
LEACH HELD
Items to note:
/
Dimension of field(s): Length 351 Width Il
!/Number of fields Field
separation_(10 ft. min)
Total area provided for disposal '"1 j Q (sq. it.)
(lxwxno. of fields)
4 X 7 ,
`t0s 7 �
Gallons of treatment provided: q
Bottom area x loading factor(from 15.242) = gal. — C,
(must he equal or greater than design flow) 6F >
Note: Leaching area must be increased if garbage grinder is used.
at'.----Elevation of bottom of the field
(must be 4 ft/or 5 ft above max, high groundwater depending on perc rate.)
' umber of distribution pipes oiZ
Type eV' S DR 36 PVC
Length (100'max.) 33� �
Slope (min. 0.005) . Ob S% ?tape P'
Spacing(6'max.)
Depth of stone beneath pipe
(min 6") re : s'e.60 - 921',/{e)
plan states stone is double washed �-1
r2"cover of 1/8" to "A" stone over pipe crown a
✓_ Ends capped C bon
"" Aggregate depth 6" minimum and 12"maximum J
&-Depth of cover material above stone (min.9")
Construction of leaching facility in fill? Yes No N!
v FBI is specified as Titley on plan
• Certification on fill submitted
__
Fill is specified for 5' around entire system G-56/41 = 9 ) , 3
Separation between lines (6 ft maximum)
Separation between lines and edge of bed- four feet maximum.
Pager 5 of I()
LEACHING TRENCHES
Number of tre hes , length (max.10O')width �(min.24)
Depth of stone b neath pipe (6" min )
__ Leaching area av fable
bottom=length x 'dth x no. trenches =
sides=length x dept (2'max) x w x# of trenches sq ft.
'TOTAL = s. ft.
note: the effective dept shall be equal to the depth of the trenches below
the invert of the dis ibution pipe up to maximum of 2 ft.
Leaching are requirements:
Total leaching area (bottom p1 sides)x loading factor=gallons treated
Loading factor is based on perc to(see 15.242)
Total gallons treated by system de'gn must be >design fio for system
LEACHING AREA REQUIREMENTS SA SHED? Yes_No
(note: leaching area must be increased if gar.:ge grinder is used)
/ •
Ground treternch
bottom
� o 5 feet separation �� ,� /k
between trench bottom and max. Igh grou•dwater.
__ Trench spacing 3 x effective width or depth • hichevei'is greater 'r'C ,y1__�
_ Trench width 4 ft maximum
rod—C.
nipc slope(min. 0.005 slope, or 6"per 100 feet)
Backlit] 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 %")
'The area between trenches shall be designated as rese 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 6116
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
kale of 1"=40' for plot plan
7YYYScale 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.
K.7/ All dwellings, buildings existing and proposed impervious areas
I✓o
v 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
V .North arrow, existing and proposed contours
vLocation'ioand 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
Location and results of perc test
V Date of perc test
VrC
non of water lines and other subsurface utilities on facility
Observed groundwater elevation in vicinity of the system
y 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 sy m is proposed:
complete sign and specifications of the system
_ dosing chambe apathy; required ,provided
_ number of dosing cyc ,
depth of cycles
Pager 8 of 16
PLAN REVIEW CHECKLIST(CON'T)
Recirculating Sand Filters
Complete plans and specifications
_ hydraulic profile
_ location of the treatment works and nearest existing street
street and lot number
Pager 9 of 16
DOSING TANK
Dimensions L z W x D= Vol.
Number I size of siphons
Number and size of pumps (No._, Capacity gpm
Discharge size___
Manholes to grade
Groundwater elevation (min. 1 ft below Inlet)
Pump controls
Alarm(on separate power circuit)
Buoyancy calculations(if needed)
Pump system calculations
Pager 10 of16
LEACHING CHAMBERS/PITS
ITEMS TO NOTE
Manufacturer
_ Installation
Bed Formation
Number of beds of trenches Length
Width
Depth
Leaching area available:
bottom: (length x width x no. of pits)_
sides: (2 x(length x depth(2'max.)+ (2 x width x depth (2'max) x ft of pits.
Total leaching area available= sq. ft.____
LEACHING AREA REQUIREMENTS:
Total leaching area (bottom+sides)x loadin: factor from 15.242
gals. This must be gre er than or equal to the design
flow for the system. Increase leaching area if g bage grinder is used.
Distribution Trenches: every 20 f -t
Beds: area for pipe -of to exceed
60 x 60 feet
Spacing Trenches: 2 x effective I pth or width
Beds: 4 feet between ex vation sidewalls.
_ Manholes (min-one 20"access per unit; a 24" am for>2,000 gal units)
Stone around chamber('12"to 48"of 3/4 " to 1 %: stone)
2"cover of 1/8" to %" stone
4' separation between max. high GW and trench bott in? Yes No
Pager I I of I6
PLAN REVIEW-SYSTEM SITING
Performed By 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
Surticial 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)
l/ Property line 10 10
/Cellar walVinground
swimming pool 10 20
Slab Foundation 10 25
VP-.Water supply
r-
(except
pressure line 10 10
Surface waters
wetlands) 25 50
Pager II of I6
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
Wetlands 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
Gravel 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)
Magnetic 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
(nun✓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 0.34 - -
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(I) (c) or systems constructed pursuant to 310 CMR 15.417
40 -
- - .. 0.25
60 - 0.15
Pager 16 of 16