43 Plan Review 2011 PLAN REVIEW - SYSTEM COMPONENTS
City/Town /vn/'Leyte 2 a/ / %K! /4
Lot Number Address 43 /50A)
On1
Application No.,2D// /
OWNER
NAME
OWNER
ADDRESS
42 //,‘..,77 C, lla,✓o w,c z
43a%/ CZ/OA M y
TELEPHONE # ( )
DESIGN
ENGINEER\SANITARIAN / 'uA
LI/ /J ith1,53
FACILITY DESIGNED FOR A2 e GI NC)/,.Ji C 7
A. 7 Single or Multifamily dwelling
# Bedrooms
3
Garbage Disposal yes
no
Total Design Flow 3 gallons per day
B.
Other (describe)
Design Basis /GG-bh •✓S ! e7SC {�a IA, S/ (dam/
3 `1 '3
Total Design Flow
COMMENTS or PROBLEMS: 1
»pro vcd
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gpd CeseAS )
g/z//
ITEMS TO NOTE:
Pipe diameter
Schedule of pipe
✓ Watertight joints
BUILDING SEWER
1/
qQ
Slope(min for 4" pipe is 0.01 or 1/8" per foot; desired slope is 0.02
or Y." per foot)
Invert elevation at building
Length
/ ' (GOA o ed 4 /ems •- 9 /
710 -4.64 )
Alignment and grade
(manholes required at changes in both alignmenf and grade.)
Manhole(Must have metal frame and cover at grade)
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SEPTIC TANK
Tank size at least 200 % of design flow
(minimum tank size is 1,500 gal)
Vt 2"- 3" drop from inlet to outlet
✓ Minimum 4' liquid depth
Tees extend 6" above flow line
Inlet tee 10" below flow line (minimum)
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
l✓�/a Buoyancy calculation (if necessary)
On 6"crushed stone
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ITEMS TO NOTE:
DISTRIBUTION BOX
Inlet elevations
gG30 '
Outlet elevations S� . /0
Drop (inlet- outlet)
, w '
Sump (6" minimum) Baffle or inlet tee x/
All outlets at same elevation ventilation
Manhole cover to grade # of outlets
nP ✓ size of outlets (diameter) q "
1 i•
/� Distribution laterals: No. % Size _-ll
V Detail Provided
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Items to note:
LEACH FIELD
Dimension of field(s): Length /6 Width 20
Number of fields t Field separation (10 ft. min)
Total area provided for disposal (sq.ft.)
. (1 x w x no. of fields) '/6 L ' S r c4.-n he-//
Gallons of treatment provide a a,
Bottom area x loading factor (from 15.242) = Bpi 3 gal.
(must be equal or greater than design flow) cht,,,,,.b L/
Note: Leaching area must be increased if garbage grinder is used.
Elevation of bottom of the field
(must be 4 ft/or 5 ft above max. high groundwater depending on perc rate.)
it//Number of distribution pipes Z //w QS
Type / /
Length (100'max.) ' ' �o cite...--mob«
Slope(min. 0.005) 4{' et> c ..--.hAs-,
Spacing(6' max.)
t------Depth of stone beneath pipe
(min 6")
V Plan states stone is double washed
72" cover of 1/8"to'k" stone over pipe crown
�/ /_ Ends capped
Aggregate depth 6" minimum and 12" maximum
siDepth of cover material above stone(min.9')
Construction of leaching facility in fill? Yes No
Fill is specified as TitleV on plan
Certification on fill submitted
Fill is specified for 5' around entire system
Separation between lines (6 ft maximum)
Separation between lines and edge of bed-four feet maximum.
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LEACHING CHAMBERS/PITS
ITEMS TO NOTE
// Manufacturer ,Sec p/c.-i✓
Vinstallation
Bed Formation
Number of beds of trenches Length
Width
Depth
Leaching area available: .520 6/1
cro
bottom: (length x width x no. of pits) _
sides: (2 x (length x depth (2'max.)+(2 x (width x depth (2'max) x#of pits.
Total leaching area available= 1/6 r sq. ft.
LEACHING AREA REQUIREMENTS:
be"kin--3240 5>/c S.c/F = g0 Sr
Total leaching area (bottom+ sides) x loading factor from 15.242 Ed 1
= 3 K 3 gals. This must be greater than or equal to the design (2)
flow for the system. Increase leaching area if garbage grinder is used.
V Distribution
Trenches: every 20 feet
Beds: area for pipe not to exceed
60 x 60 feet
V"Spacing Trenches: 2 x effective depth or width
Beds: 4 feet between excavation sidewalls.
Manholes (min-one 20" access per unit; a 24" diam for> 2,000 gal units)
7' Stone around chamber ('12" to 48" of% " to 1 %" stone)
V. 2" cover of 1/8" to 1/2" stone
sZ 4' separation between max. high GW and trench bottom? Yes _No
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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 = 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 I-K.-No
(note: leaching area must be increased if garbage grinder is used)
/
✓ Ground water elevation: or 5 feet separation
between trench bottom an igh groundwater.
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.
✓Dt meter of distribution pipe (min.3")
ibution line orifice (min.3/8, max '/.")
he area between trenches shall be designated as reserve area only where
/
N the separation distance between the excavation sidewalls is at least six feet.
ft Fill is specified as Title Von plan
Certification on Fill submitted
Fill is specified for 5" around entire system
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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
/711,egal boundaries of the facility being served including easements
w ich could affect the impact the system installation/performance.
All 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 ivlOO� ri/!�N
t'Cu/ Septic tank size required gpd /
.. " " provided gpd
North arrow, existing and proposed contours
ocatiop and log of deep hole observation test
date of test
V ex%isting grade elevations for each test
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PLAN REVIEW CHECKLIST (cont.)
Name of approving authority representative P Gdws,
t/ame & approval no. of soil evaluator A, /Z)Ci5 `5
Location and results of perc
Date of perc test 1
17 Location of water lines and other subsurface utilities on facility
17 Observed groundwater elevation in vicinity of the system
Vcomplete profile of the system
A note on the plan listing all variances to the provisions of
10 CMR 15.00 and local requirements sought in conjunction with the plan
N�A
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 system is proposed:
complete design and specifications of the system
dosing chamber capacity; required
number of dosing cycles,
depth of cycles
, provided
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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
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