38 Septic Checklist 2016 Commonwealth of Massachusetts 3$' 4/ TZ-Cen5
City/Town of
Septic System Installation Checklist
8. Application Checklist (cont.)
2 Construction Inspection
a) Budding Sewer(310 CMR 15.222)
All waste pipes bed into building sewer
Schedule 40 PVC 4' or cast iron
Minimum slope of 0.01-0.02
Pipe laid in continuous straight ime
Pipe laid on Compact. firm base
Cleanouts precede all changes N/1/1
alignmenUgrade
Cleanout provided every 100 ft
Ball material dean
b) Septic Tank(310 CMR •5 223)
Tank is set level with 6•stone under
(15.228)
Tartic is required sizefoading per plan
Inlet and outlet we at proper location
(15227)
Tank is water tight(15.226)
Outlet tees extend 6'above flow line
Approved Met device placed at outlet
Basement check
Verify by reading ppe
Visual
Visual
isual
Vents by visual/tape
Apprroovedd N/A Problem
❑ n
Jam/ ❑
Visual
Cheat with level
Verify MEf h/
Verify witfili>
Test
Verify by visuavtape
DEP list
Gas baffle installed at outlet tee - Visual
Inlet and outlet tees on center line Visual
Tank is badfilied with acceptede material Visual
Notes:
17E
U
❑
Approved N/A Problem
�� ❑ ❑
❑ ❑
®� ❑ ❑
C�� ❑ ❑
❑ ❑ ❑
Lf� LJ ❑
❑ ❑ ❑
/
�,, �G/. _mole O, / o . / ��
—�w4,rLy 74, "15 -N,, /774,/
/ Fpm Neme•Psee 2 of e
;spec System IFWNIW on CMckllsit t-09*bc•Site
Commonwealth of Massachusetts
City/Town of
Septic System Installation Checklist
B. Application Checklist(cont.)
c) Distribution Box(310 CMR 15.232)
All outlet pipes at same elev ion
, 1•0
pen
Number of outlets
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)
Tank is set level
Proper volume is provided
Float elevations set per plan
Min. 2'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
MM. 9'cover provided
Correct loading provided per plan
Notes:
Check by adding water
Number of laterals
Visual and wltape
Visual
Visual and wltape
Add water
Visual and w/level
Check plan and tank
Measure whape
Visual
Visual
Test
Visual
Visual on tank
Soo*System InsWoten Chec*Mt 11-013EOc•date
Approved Problem
C ❑
Approved
❑
❑
❑
N/A Problem
❑ ❑
❑ ❑ ❑
❑ c ❑
❑ ❑ ❑
❑ ❑ ❑
❑ ❑ ❑
❑ ❑ ❑
❑ ❑ ❑
❑ ❑ ❑
❑ ❑ ❑
`t7 ❑ ❑
Form Name•pogo 3 of 6
Commonwealth of Massachusetts
City/Town of
Septic System Installation Checklist
B. Application Checklist (cons)
e) Leaching Facility(310 CMR 15240)
No frozen material used including back fill Visual
No clay, tailings or stones larger than 6'for
cover material
Soil at bottonVsides of excavation matches
info on deep holes
All impervious layers removed Visual
No remaining AM horizons / Visual
Groundwater conditions match plan anal\VrsQaVC%heck plan
deep holes
Vented if under impervious cover per plan
(15.241)
Vent is protected from precipitation
and animal entry
Cover of a minimum of 9•over leach area
Pipe slope equal to 0.005
Check wltransit
Leach area per design(15241) /�
Excavation is level and at required depth Vr isuai/ eck plan
Removal of 5 ft material and repacemen
(if in fill)
Sack fill material is acceptable Visual
Final contours correct per plan
Surface/subsurface drainage away from
lead,area
Finny grade and side slopes are stable
Distribution lines are capped, vented, or
connected together
Impermeable barrier (15.255[2))
Retaining wall inspected by PE
Retaining wall is water-proofed
Retaining walVbarrier is at correct
depth/height
NON apem VWIYYon Che4ket 11-0e.doc•date
plan
Check with plan
Approved N/A Problem
❑
Form Name•Page 4 of 6
Commonwealth of Massachusetts
City/Town of
Septic System Installation Checklist
B. Application Checklist(cont)
j) Certificate of Compliance(310 CMR 15.021)
As Built Plan Submitted
Signed by Installer
Signed by Designer
Certificate of Compliance Issued
Notes:
Wte
Data
Date
Date
:epic amen Inseataeon GMftlat 11-09 doe•date
Form Home•papa 6 of 6
Commonwealth of Massachusetts
City/Town of
Septic System Installation Checklist
B. Application Checklist (cons)
f) Loathing trenches(310 CMR 15 251) Approved NA Problem
Number of trenches. - -- - -- ❑ ri ❑
Depth of trenches: - _._.__. ❑ ❑ ❑
Width of trenches: ❑ ❑ ❑
Trench spaang per pan Ll ❑ J
Stone is double-washed[3/4' to 114'1(15.247)
g) Leaching fields(310 CMR 15.242)
Length of field: . -- ❑ ❑ ❑
Width of field. ____. ❑ ❑ ❑
Min. of 2 distribution lines ❑ ❑ ❑
Separation distance conforms to plan ❑ ❑ ❑
Stone is double-washed[3/4' to 1WI(15.247) ❑ ❑ ❑
h) Leaching Pits(310 CMR 15.253)
Number of pits. ❑ ❑ ❑
Depth of pts. ❑ ❑ ❑
Stone is double-washed[3/4'to 11S1(15247) ❑ ❑ ❑
Each pit has min. 1 20' access cover ❑ ❑ ❑
Piping network and configuration of ❑ ❑ ❑
pits/chambers per plan
i) Tight Tank(310 CMR 15.260)
Tank is set level with 6'stare under Visual and with level ❑ ❑ ❑
Tank is proper size per plan Visual with plan ❑ ❑ ❑
• Pumping contract has been provided ❑ ❑ ❑
Covers to grade Visual ❑ ❑ ❑
AN alarm set at 3/5 tank capacity Check floats by raising ❑ ❑ ❑
AN alarm test on separate orait Set off alarm ❑ ❑ ❑
epee a)ram Mabellallon Cteoklia 1109 bloc•dale
Form name•page 5 at 6