HomeMy WebLinkAboutConstruction Notes - Consultant Review - 45 SUGARCANE LANE 6/1/2022
North Andover Health Department
Community Development Division
ONSITE WASTEWATER SYSTEM CONSTRUCTION NOTES
LOCATION INFORMATION
ADDRESS: 45 Sugarcane Lane MAP: LOT:
INSTALLER: Boraczek
DESIGNER: Osgood
PLAN DATE: 2/15/22
BOH APPROVAL DATE ON PLAN:
INSPECTIONS
TANK INSPECTION: 04/19/2022 – S. Casey
DATE OF BED BOTTOM INSPECTION:
DATE OF FINAL CONSTRUCTION INSPECTION: 4/28/22 – D. Ottenheimer
DATE OF FINAL GRADE INSPECTION: 5/18/2022
SITE CONDITIONS
Contractor reports any changes to design plan
Existing septic tank properly abandoned
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
Weep hole plugged
1500 gallon tank has been installed
H-10 loading
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)
20” inch cover to within 6” of finish grade
installed over one access port
Boots at inlet & outlet
Comments: 04.19.2022 @ 11:00 am 6” stone in hole – S. Casey
DISTRIBUTION-BOX
Installed on stable stone base
H-20 D-Box
Inlet tee (if pumped or >0.08’/foot)
Hydraulic cement around inlet & outlets
Observed even distribution
Speed levelers provided (not required)
Comments:
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:
04.22.2022 – 30 x 48’ cleared out a couple spots of B Layer while on site – S.
Casey
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 = 148.00
HR = 1.32
HI = 149.32
SYSTEM ELEVATIONS
ROD AS-BLT INVERT DESIGN INVERT
ELEVATION ELEV ELEV
Benchmark
Building Sewer OUT 4.31 144.68 144.79
Septic Tank IN 4.67 144.32 144.25
Septic Tank OUT 4.88 144.11 144.00
Distribution Box IN 5.15 143.84 143.84
Distribution Box OUT 5.33 143.66 143.67
Lateral 1 BEG 5.49 143.50 143.50
Lateral 1 END 5.66 143.33 143.31
Lateral 2 BEG 5.35 143.64 143.50
Lateral 2 END 5.67 143.32 143.31
Lateral 3 BEG 5.45 143.54 143.50
Lateral 3 END 5.64 143.35 143.31
Lateral 4 BEG 5.46 143.53 143.50
Lateral 4 END 5.64 143.35 143.31