308 Plan Review 2016 (2) PLAN REVIEW - SYSTEM COMPONENTS
City/Town £�J// las•fs/bill Application No. e -2
Lot Number f( Address �/ ,-.,
OWNER I I
, r /
3!/ C�eSt�C -4/cf 1fid.
gi4E •
NAMErCv 1.3.1K
ADDRESS( 1^04IG..LeiJT 40 /'IIS-1-erL) L04 A 4 339
Giesler e-
TELEPHONE# ( ) ,c r 71SS
DESIGN �"
ENGINEER\SANITARIAN / //t/
FACILITY DESIGNED FOR Ate%)f/\
A. _2(Single or Multifamily dwelling
# Bedrooms 3 Garbage Disposal yes
no
Total Design Flow gallons per day
B. Other(describe) 2
Design Basis J 3D q i v
Total Design Flow V 9 50 gpd /
O .T/'
/l64.-/ i.
COMMENTS or PROBLEMS:
�� ��, �n� "Ikli
/3�g J
Pager 1 of 16
BUILDING SEWER
ITEMS TQ NOTE:
I///' i Pipe diameter n /7V 6////
_
j// Schedule of pipe l�
Watertight joints
Slope (min for 4" pipe is 0.01 or 1/8"per foot; desired slope . 1.02
-y or 'A" per foot) n
a!i 13 Invert elevationat building M 10/05 tel
•ti/
✓ Length (O✓ /T /
✓ 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
V.
Tank size at least 200 % of design flow
(minimum tank size is 1,500 gal)
47.7„..--
2"-3" drop from inlet to outlet
/' Minimum 4' liquid depth
Pe"-----1
/ ,'ees extend 6" above flow line
!// Inlet tee 10" below flow line(minimum)
Air space(3"above tees,9" above flow line)
I ' Depth of outlet tee (minimum 14")
!i/ Access manhole over center of tank and each tee
V lYumber of compartments = 3 '
/Gas baffle on new construction
�/
S ' tank detail provided
ancy calculation (if necessary)
On 6" crushed stone
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DISTRIBUTION BOX
ITEMS 0 NOTE:
I/ Inlet elevations f 0�, 0
Outlet elevations /X- 1"
Drop(inlet-outlet) t / 7
. Sump (6"minimum) Baffle or inlet tee
✓ All outlets at same elevation ventilation
/ Manhole cover to grade # of outlets
�
J Il
size of outlets (diameter) L q,pi�(//V/.j/ a/
Distribution laterals: No. Size
' /
t� Detail Provided , Atli; 4 t //
/gv`/
Pager 4 of 16
LEACH FIELD
Items to note:
Dimension of field(s): Length Width
Number of fields Field separation (10 ft. min)
Total area provided for disposal (sq. ft.)
(1 x w o. of fields)
allons of treatment provided:
Bottom area x loading factor(from 15.242)= gal.
(must be equal or greater than design flow)
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 pert rate.)
Number of distribution pipes
Type
Length (100'max.)
Slope(min. 0.005)
Spacing(6' max.)
Depth of stone beneath pipe
,tisdb 6")
Plan states stone is double washed
j....---Zcsover of 1/8"to Y:" stone over pipe crown
`Ends capped
Aggregate depth 6" minimum and 12"maximum
Depth of cover material above stone (min.9")
Construction of leaching facility in fill? Yes No
�—
_ 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.
Pager 5 of 16
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 [/,No
(note: leachi area must be increased if garbage grinder is used)
round water elevation: 4 feet or 5 feet separation
tween trench bottom and max. high groundwater.
i/Trench spacing 3 x effective width or depth whichever is greater
tench 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 ''/.")
The area between trenches shall be designated as reserve area only where
th aration distance between the excavation sidewalls is at least six feet.
fills 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
INFO MATION:
///:)
/SS. REG.SANITARIAN,or MASS. P.E. stamp and signature
(/ S e 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.
1/ dwellings, buildings existing and proposed impervious areas
cation of all existing and proposed impervious areas
VVV tion and dimensions of the system including reserve area jesign calculations: Sewage flow gpd
Septic tank size required gpd
• provided gpd
rth arrow,existing and proposed contours
Locatio and log of deep hole observation_test
iI ��date
i
existing grade elevations for each test
Pager 7 of 16
PLAN REVIEW CHECKLIST (cont.)
I/Name of approving authority representative
dame& approval no.of soil evaluator
VLocation and results of p r'ct sta
// Date of perc test // ' iii
_j/Location of water lines and other subsurface utilities on facility
(/ Observed groundwater elevation in vicinity of the system
(complete profile of the system
v A note on the plan listing all variances to the provisions of
31}) 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 system is proposed:
complete design and specifications of the system
dosing chamber capacity; required , provided
number of dosing cycles,
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 x W x D=Vol.
Number/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 of 16
LEACHING CHAMBERS/PITS
ITEMS TO NOTE /� /
" /Manufacturer 1.d Dpi /�/c.I er / �'
v ,nstallation 2t� Qyi c4 —( �1� l✓d.L.N /y
Bed Formation n /
Number of beds of trenches Length S 4/40447
Width
Depth " �J
Leaching area available: 33,045 Rd X, 604?j ��` �tIC-4/
14-
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= � sq. ft.
LEACHING AREA REQUIREMENTS:
Total leaching area(bottom+sides) x loading factor from 15.242
= gals. This must be greater than or equal 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 sidewalls.
✓ Manholes (min-one 20"access per unit; a 24" diam for>2,000 gal units) / 1 3,CGf7ow c/fs
V Stone around chamber F12" to 48" of Y. " to 1 'A" stone)
`/2"cover of 1/8"to %" stone
1/-4' separation between max. high GW and trench bottom? Yes_No
Pager 11 of 16
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
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)
Property line 10 10
Cellar waWinground
swimming pool 10 20
Slab Foundation 10 25
Water supply
pressure 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
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 ti 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 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 (1)(c) or systems constructed pursuant to 310 CMR 15.417
40 - - - 0.25
60 - - - 0.15
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