HomeMy WebLinkAbout- Consultant Review - 50 HAY MEADOW ROAD 10/15/2024
North Andover Health Department
Community and Economic Development Division
ONSITE WASTEWATER SYSTEM CONSTRUCTION NOTES
LOCATION INFORMATION
ADDRESS: 50 Hay Meadow Road MAP: 104.B LOT: 0102
INSTALLER: Buddy Watson – 508.932.3204 wat475@verizon.net
DESIGNER: Vladimir Nemchenok / Bill Dufresne - (978) 502-6206
(978) 475-3555 x-20 - wrdufresne@comcast.net
PLAN DATE: 07.14.2023
BOH APPROVAL DATE ON PLAN: 10.11.2023
INSPECTIONS
TANK INSPECTION:
DATE OF BED BOTTOM INSPECTION: 8.12.2024 – Brian LaGrasse
DATE OF FINAL CONSTRUCTION INSPECTION: 8/28/24 – D. Ottenheimer
DATE OF FINAL GRADE INSPECTION: 10/10/2024 – Brian 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 construction / 2-piece
(circle one)
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: 8-28-24 – Contractor retained about half the existing building sewer
in place due to vegetation around the foundation and put in new building sewer
pipe for the other half. Contractor elected to install an effluent filter. 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 capped or
connected to header
Retaining wall material, location and height if
specified on plan
Comments: Excavating additional fill and debris from original house construction.
Buried tree stumps and trees. B. LaGrasse
FINAL GRADE
Final cover as per plan
Loamed
Seeded
Cover per plan
Comments:
DOCUMENTS NEEDED
Certification of Installation Form submitted
by designer and signed and dated by
designer and installer
As-Built Plan by designer
BM = 100.00
HR = 2.70
HI = 102.70
SYSTEM ELEVATIONS
ROD AS-BLT INVERT DESIGN INVERT
ELEVATION ELEV ELEV
Building Sewer OUT
Septic Tank IN 6.53 95.84 95.85
Septic Tank OUT 6.73 95.64 95.60
Distribution Box IN 7.12 95.25 95.25
Distribution Box OUT 7.30 95.07 95.08
Lateral 1 BEGINNING 7.37 95.00 95.01
Lateral 1 END 7.58 94.79 94.80
Lateral 2 BEGINNING 7.37 95.00 95.01
Lateral 2 END 7.58 94.79 94.80
Lateral 3 BEGINNING 7.37 95.00 95.01
Lateral 3 END 7.58 94.79 94.80
Lateral 4 BEGINNING 7.37 95.00 95.01
Lateral 4 END 7.58 94.79 94.80