400 Septic System Checklist 2015 Commonwealth of Massachusetts 10 Mbar ,QA)
City/Town of //JT
Septic System Installation Checklist S/R
B. Application Checklist(cont)
4'
c) Distribution Box(310 CMR 15.232)
All outlet pipes at same elevation
Number of outlets
Par pen
Inlet tee min. 1'over outlet
D box set on level base
Top of D box 36'max depth
D box is water-tight
D box has a minimum of 2'thick wall and
12' inside dimension
d) Pump Chamber(310 CMR 15.231)
Approved N/A Problem
Check by adding water L7 ❑ ❑
Number of laterals
Visual and w/tape
Tank is set level
Proper volume is provided
Float elevations set per plan
Min. r delivery line to D box
Number of pumps.
Specified pump provided or designers
approval for equal pump
Correct pump sequence
Covers set to grade
Electrical permit provided
6 of stone beneath chamber
Chamber is water-tight
Min. g'cover provided
Correct loading provided per plan
Notes
ro✓Pd
w//tape
Add water✓
Approved
Visual and w/level ❑
Check plan and tank ❑
Measure wltape ❑
Visual ❑
Viswl
Test
Visual
Visual on tank
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N/A Problem
El
Firm Name•Page 3 or s
Commonwealth of Massachusetts
City/Town of
Septic System Installation Checklist
B. Application Checklist (cont)
e) Leaching Facility (310 CMR 15240)
No frozen material used including back fill Visua
No clay, tailings or stones larger than 6'for
cover material
Soil at bottom/sides of excavation matches
info on deep holes
Approved N/A Problem
All impervious layers removed Visual ❑Y ❑ iJ
No remaining A/B horizons Visual LiY ❑ ❑
❑ ❑
❑ ❑
❑ ❑
Pipe slope equal to 0.005 C w&ansit ❑�/ ❑ ❑
Leach area per design(15241) L� ❑ ❑
Excavation is level and at required depth cfseck plan ❑ ❑— /
Removal of 5 ft materiel d replacement plan t1� ❑ ❑
an
(if in fill)
Beck fill material is acceptable Visual Q ❑ ❑
Groundwater conditions match plan and
deep hobs
Vented if under impervious cover per plan
(15.241)
Vent is protected from precipitation
and animal entry
Cover of a minimum of 9• over each area
Visual/check plan
Final contours correct per plan Check with plan Q� ❑ ❑
Skrfadaubcufece drainage away from — Lfd' ❑ ❑
leach area ���,,,///
Final grade and side slopes we stable El
Distribution lines we capped, vented,a ❑ ❑
connected together
impermeable Comer(15.255(2j) ❑ ( ❑
Retaining wall inspected by rt ❑ ❑
eRltatincwall ware• ❑ ❑
Retai csaicnrxect ❑ ❑ I ❑
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Commonwealth of Massachusetts
CitylTown of
Septic System Installation Checklist
8. Application Checklist(cont)
f) Leaching trenches(310 CMR 15251)
Number of trenches.
Depth of trenches: ,a•""
Width of trenches:
Trench spaang per plan
Stone is double-washed(314'to 1X1 (115.247)
g) Leaching fields(310 CMR 15.242)
Length of field:
Width of field.
Approved IA Problem
/adz"LA/ ca/ ❑
Min. of 2 distribution lines
Separation data orrns to plan 1/
St is double-washed f 4•to 1%1(16247)
h) Leaching Pits(310 CMR 15.253)
Number of pits.
Depth of pits(
Stone is double-washed f3l4•to 1W)(15.247)
Each pit has min. 1 20'access cover
Piping network and configuration of
pits/chambers par plan
i) Tight Tank(310 CMR 15.260)
Tank is set levei with 6•stone under
Tank is proper size per plan
Pumping contract has been provided
Covers to grade
.W alarm set at 3/S tank capacity
. AN alarm test on separate arcuit
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Visual and with level
Visual with Wan
Visual
Cheat floats by raising
Set off alarm
;
to
to
❑
Faze N.ms•pies 5 of 6
Commonwealth of Massachusetts
City/Town of
Septic System Installation Checklist
B. Application Checklist(cont)
2 Construction Inspection
a) Building Sewer(310 CMR 15.222)
All waste pipes tied Into building sewer
Schedule 40 PVC 4' or cast iron
Minimum slope of 0.01-0.02
Pipe laid in continuous straight line
Pipe laid on compact. firm base
Cleanouts precede all changes in
alignmenUgrade
Cleanout provided every 100 ft.
Baddill material clean
b) Septic Tank(310 CMR 15 223)
Tank is set level with G stone under
(15 2213)
Tank is required size/loading per plan
Inlet and outlet are at proper location OK
(15 227)
Tank is water tight(15.226)
Outlet tees extend 6'above flow line
Approved filter device placed at cutlet
Gas baffle instated at outlet tee
Basement check
Verify by reading pipe
Visual
Visual
Visual
Verify by visualltape
Verify by visual/tape
Visual
Check with level
Verity with plan/
Verify with plan
Test
Verify by visuaUlepe
DEP list
Visual
Inlet and outlet teas on carter IS Visual
Tank is baddited with acceptable material Visual
Notes:
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Approved e N/A Problem
V
Approved N/A Problem
Form?dnw•Ppr 2 of 8
Commonwealth of Massachusetts
City/Town of
Septic System Installation Checklist
B. Application Checklist(cont)
j) Certificate of Compliance (310 CMR 021)
As Built Plan Submitted
Signed by Installer
Signed by Designer
Certificate of Compliance Issued
Notes:
Dote
Date
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