HomeMy WebLinkAboutConstruction Notes - Consultant Review - 65 OLD CART WAY 6/25/2024
North Andover Health Department
Community and Economic Development Division
ONSITE WASTEWATER SYSTEM CONSTRUCTION NOTES
LOCATION INFORMATION
ADDRESS: 65 Old Cart MAP: 107.B LOT: 29
INSTALLER: John T. Shaw - 978-815-7411
DESIGNER: Vladimir Nemchenok / Bill Dufresne – 978-475-3555
PLAN DATE: 09.01.2023
BOH APPROVAL DATE ON PLAN: 10.11.2023
INSPECTIONS
TANK INSPECTION: 11.03.2023
DATE OF BED BOTTOM INSPECTION: 11.06.2023
DATE OF FINAL CONSTRUCTION INSPECTION: S. Pierce 11.30.2023
DATE OF FINAL GRADE INSPECTION: 11/15/23 – D. Ottenheimer
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 construction
If monolithic, water tightness of tank has been
achieved by visual testing
Inlet tee installed, centered under access port
Outlet tee installed, centered under access port
Effluent filter installed
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 20 inch diameter
Pipe penetrations appear watertight using
rubber boots
Comments:
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 capped
Retaining wall material, location and height if
specified on plan
Comments:
FINAL GRADE
Final cover as per plan
Loamed
Seeded
Cover per plan
Comments: S. Pierce – 11.30.2023
DOCUMENTS NEEDED
Certification of Installation Form submitted
by designer and signed and dated by
designer and installer
As-Built Plan by designer
BM = 216.10
HR = 0.91
HI = 217.01
SYSTEM ELEVATIONS
ROD AS-BLT INVERT DESIGN INVERT
ELEVATION ELEV ELEV
Building Sewer OUT 5.15 211.53 211.68
Septic Tank IN 5.34 211.34 211.35
Septic Tank OUT 5.49 211.19 211.10
Distribution Box IN 5.68 211.10 210.95
Distribution Box OUT 5.94 210.74 210.78
Lateral 1 BEGINNING 5.93 210.75 210.73
Lateral 1 END 6.16 210.52 210.50
Lateral 2 BEGINNING 5.93 210.75 210.73
Lateral 2 END 6.16 210.52 210.50
Lateral 3 BEGINNING 5.90 210.78 210.73
Lateral 3 END 6.16 210.52 210.50