HomeMy WebLinkAboutMiscellaneous - 37 SULLIVAN STREET 9/22/2017 •
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North Andover Health Department
Community and Economic Development Division
ONSITE WASTEWATER SYSTEM CONSTRUCTION NOTES
LOCATION INFORMATION
ADDRESS: 37 Sullivan Street MAP: 107,8 LOT: 0100
INSTALLER: Todd Bateson — Bateson Enterprises
DESIGNER:
PLAN DATE:
BOH APPROVAL DATE ON PLAN:
D-Box Repair
INSPECTIONS
TANK INSPECTION;
DATE OF BED BOTTOM INSPECTION:
DATE OF FINAL CONSTRUCTION INSPECTION: 9/22/2017
DATE OF FINAL GRADE INSPECTION:
SITE CONDITIONS
❑ Contractor reports any changes to design plan
❑ Existing septic tank properly abandoned
❑ Internal plumbing all to one building sewer t
® Topography not appreciably altered
Comments:
SEPTIC TANK
® Building sewer in continuous grade, on
compacted firm base
❑ Cleanouts per plan
❑ Bottom of tank hole has 6" stone base
Weep hole plugged
❑ 1500 gallon tank has been installed t
H-10 loading t
❑ Monolithic tank construction
❑ Water tightness of tank has been achieved by
visual testing
❑ Inlet tee installed, centered under access port
❑ Outlet tee installed, centered under access port
(gas baffle/effluent filter)
❑ inch cover to within 6" of finish grade
installed over one access port
❑ Hydraulic cement around inlet & outlet
Comments:
PUMP CLAMBER
❑ Bottom of tank hole has 6° stone base
❑ Weep hole plugged
❑ 1500 gallon Pump Chamber installed
❑ H-10 loading
❑ Monolithic tank construction
❑ Inlet tee installed, centered under access port
❑ Pump(s) installed on stable base
❑ Alarm float working
❑ Pump On/Off floats working
❑ Separate on/off floats
❑ Drain hole in pressure line
❑ cover at final grade installed over pump
access pork
❑ Watertightness of tank has been achieved by
testing
❑ Hydraulic cement around inlet & outlet
Comments:
CONTROL PANEL
❑ Alarm & Pump are on separate circuits
❑ Alarm sounds when float is tripped
❑ Location of control panel: basement
❑ Alarm signal located inside: basement
Comments:
DISTRIBUTION-BOX
Installed on stable stone base
❑ H-20 D-Box
❑ Inlet tee (if pumped or >0.08'/foot)
�I Hydraulic cement around inlet & outlets
❑ Observed even distribution
❑ Speed levelers provided (not required)
Schedule 40 PVC Pipe
Comments:
9/22/2017 All Set. Brian LaGrasse
SOIL ABSORPTION SYSTEM (General)
❑ Bottom of SAS excavated down to C soil layer,
as provided on plan
❑ Size of SAS excavated as per plan
❑ Title 5 sand installed, if specified on plan
❑ 40 Mil HDPE barrier installed
❑ Laterals installed and ends connected to
header (and vented if impervious material
above)
❑ Elevations of laterals and chambers installed as on
approved plan
❑ Retaining wall (boulder/ concrete /timber/ block)
❑ Final cover as per plan
Comments:
SOIL ABSORPTION SYSTEM (Gravel-less Chambers)
❑ Brand and Model of Chamber: Standard Quick
4 Infiltrator Chambers
❑ Number of chambers per row:
Number of rows (trenches):
Comments.- Total Chambers
FINAL GRADE
❑ Loamed
❑ Seeded
❑ Cover per plan
Comments:
DOCUMENTS NEEDED
❑ Certification of Installation Form submitted
By engineer and signed and dated by
Engineer and installer
As-Built Plan
BM
HR =
HI
SYSTEM ELEVATIONS
ROD AS-BLT INVERT DESIGN INVERT
ELEVATION ELEV ELEV
Benchmark
Building Sewer OUT
Septic Tank IN
Septic Tank OUT
Pump Chamber IN
Pump Chamber OUT
Distribution Box IN
Distribution Box OUT
Lateral 1 TOP
------------
Lateral 1 INVERT
Lateral 2 TOP
Lateral 2 INVERT
-----------------------------------------------------------------------------------------------------------
Lateral 3 TOP
--------------
Lateral 3 INVERT
Lateral 4 TOP
Lateral 4 INVERT
Lateral 5 TOP
Lateral 5 INVERT
Lateral 6 TOP
Lateral 6 INVERT
-------------------_ __Top of Chamber
-------------
Bottom of Bed/Chamber
---------–----- -----------------—–-------------
SKETCH PLAN
CRITICAL SETBACK DISTANCES
Mark those distances checked in the field against the design plan and regulatory
setback
Tank SAS Sewer
® Property line 10 10 --
® Cellar wall 10 20 --
® Inground pool 10 20 --
® Slab foundation 10 10 --
Deck, on footings, etc 5 10 --
® Waterline 10 10 101
® Private drinking well 75 100 50
® Irrigation well 75 100 r
Z Surface Water 25 50
® Bordering Vegetated Wetland ,
Salt Marsh, Inland/Coastal Banka 75 .100
® Wetlands bordering surface
water supply or trib, (in Watershed) 150 150
El Trib. to surface water supply 325 325
® Public well 400 400
® Interim Wellhead Prot. Area
Reservoirs 400 400
® Drains (wat. supply/trib.) 50 100
® Drains (intercept g.w.) 25 50
® Drains (Other)Foundation 10(5) 20(1.0)
® Drywells 20 25
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Suction line 222(2)
2 1.00 feet is a minimum acceptable distance and no variance is allowed for a lesser distance(NA 5.02). 1
3 As defined in 310 CMR 1.0.55, 1.0.32, 10.54, and 10.30,respectively,pursuant to 15.211(3), also by NA r
wetland bylaws