HomeMy WebLinkAbout- Consultant Review - 102 LOST POND LANE 7/8/2024
North Andover Health Department
Community and Economic Development Division
ONSITE WASTEWATER SYSTEM CONSTRUCTION NOTES
LOCATION INFORMATION
ADDRESS: 102 Lost Pond MAP: 104.B LOT: 214
INSTALLER: Peter Breen – mulch770@yahoo.com, 978-687-7774
DESIGNER: Bill Dufresne / Vladimir Nemchenok - wrdufresne@comcast.net,
978-475-3555
PLAN DATE: 05.02.2024
BOH APPROVAL DATE ON PLAN: 06.10.2024
INSPECTIONS
TANK INSPECTION: 06.11.2024
DATE OF BED BOTTOM INSPECTION: 06.12.2024
DATE OF FINAL CONSTRUCTION INSPECTION: 06.25.2024 – D.Ottenheimer
DATE OF FINAL GRADE INSPECTION: 7/8/2024 B. LaGrasse
SITE CONDITIONS
Contractor reports any changes to design plan
Existing septic tank properly abandoned, if
present
Internal plumbing all to one building sewer
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
Tank size and loading per plan
Monolithic tank
If monolithic, water tightness of tank has been
achieved by visual testing
If 2-piece, water tightness of tank has been
achieved by water / vacuum test (circle one)
Inlet tee installed, centered under access port
Outlet tee installed, centered under access port
Gas baffle
If effluent filter, riser to finished grade over filter
Riser with cover to within 6” of finish grade
installed over one access port
Manhole and riser minimum ___ inch diameter
Pipe penetrations appear watertight using
rubber boots
Comments: 06.25.2024 – Existing building sewer pipe re-used. Contractor
reminded to have one manhole to within 6” of finish grade. – D.Ottenheimer
DISTRIBUTION-BOX
Installed on stable stone base
H-20 D-Box
Inlet tee (if pumped or >0.08’/foot)
Hydraulic cement around inlet & outlets
Even distribution observed
Schedule 40 PVC Pipe
Comments:
SOIL ABSORPTION SYSTEM (General)
Bottom of SAS excavated down to specified
soil layer, as provided on plan
Size of SAS excavated as per plan
Sand installed, if specified on plan
Sand displays few fines when handled
40 Mil HDPE barrier installed, if specified on
design plan
Laterals installed and ends connected to
header
Retaining wall material, location and height if
specified on plan
Comments: 58 x 36 – Needed a little more removed by SE Corner. All Set
06.12.2024 – B.L.
DOCUMENTS NEEDED
Certification of Installation Form submitted
by designer and signed and dated by
designer and installer
As-Built Plan by designer
BM = 133.87
HR = 0.98
HI = 134.85
SYSTEM ELEVATIONS
ROD AS-BLT INVERT DESIGN INVERT
ELEVATION ELEV ELEV
Benchmark
Building Sewer OUT 131.40
Septic Tank IN 5.26 129.26 128.50
Septic Tank OUT 5.52 129.00 128.25
Distribution Box IN 6.49 128.03 127.95
Distribution Box OUT 6.70 127.82 127.78
Lateral 1 BEGINNING 6.82 127.70 127.70
Lateral 1 END 7.11 127.41 127.45
Lateral 2 BEGINNING 6.81 127.71 127.70
Lateral 2 END 7.12 127.40 127.45
Lateral 3 BEGINNING 6.82 127.70 127.70
Lateral 3 END 7.12 127.40 127.45
Lateral 4 BEGINNING 6.81 127.71 127.70
Lateral 4 END 7.12 127.40 127.45