HomeMy WebLinkAbout- Consultant Review - 2 BANNAN DRIVE 2/7/2019 1,
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North Andover Health Department
Community and Economic Development Division
ONSITE WASTEWATER SYSTEM CONSTRUCTION NOTES
LOCATION INFORMATION
ADDRESS: 2 Bannan Drive MAP: 38 LOT: 104
INSTALLER: James Kellett
DESIGNER: Thorsen Akerley, R.S. Williams & Sparages, LLC
PLAN DATE: final revision date of August 21, 2018
BOH APPROVAL DATE ON PLAN: 9/20/2018
INSPECTIONS
TANK INSPECTION: 1/11/19
DATE OF BED BOTTOM INSPECTION: - Greg Hochmuth
DATE OF FINAL CONSTRUCTION INSPECTION: 1/11/19
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
® 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 j
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: Neoprene boots used instead of hydraulic cement.
DISTRIBUTION-BOX
Installed on stable stone base
H-20 D-Box
❑ Inlet tee (if pumped or >0.08'/foot)
Z Hydraulic cement around inlet & outlets
Z Observed even distribution
M Speed levelers provided (not required)
Z Schedule 40 PVC Pipe
Comments:
SOIL ABSORPTION SYSTEM (General)
Z Bottom of SAS excavated down to C soil layer,
as provided on plan
Z Size of SAS excavated as per plan
❑ Title 5 sand installed, if specified on plan
❑ 40 Mil HIDPE 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: 55'D x 40" D 68x24'
FINAL GRADE
❑ Loamed
❑ Seeded —to be done per contract and letter from Kellett
Z 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 = 103.18
HR =
HI = 106.71
SYSTEM ELEVATIONS
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ROD AS-BLT INVERT DESIGN INVERT
ELEVATION ELEV ELEV
Benchmark 3.53
Building Sewer OUT 4.89 101.47 100.91
Septic Tank IN 5.61 100.75 100.68
Septic Tank OUT 5.86 100.5_----------- 100.43
Distribution Box IN 6.97 99.39 99.31
Distribution Box OUT 7.15 99.22 99.19
Lateral 1 TOP 7.15 99.21 99.19
Lateral I INVERT 7.29 99.07 99.05
Lateral 2 TOP 7.15 99.21 99.19
Lateral 2 INVERT 7.29 99.07 99.05
Lateral 3 TOP 7.15 99.21 99.19
Lateral 3 INVERT 7.29 99.07 99.05
Lateral 4 TOP 7.15 99.21 99.19
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Lateral 4 INVERT 7.28 99.08 99,05
Lateral 5 TOP 7.16 99.2 99.19
Lateral 5 INVERT 7.29 99.07 99.05
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OFFICE (781)-599-79 4 FAX (781)-842-0260
Email—jim.kecorp(,,)gmail,com www.kellettexcavating.com
Board ofNorth Andover Health Department
1, James Kellett of Kellett Excavating I.LC am writing;this letter to guarantee that Kellett
Excavating will be back to 2 Bannan Dr, to finish the complete job as of grading, loaming, and
hydroseeding as specified in the detailed contract. If weather cooperates our estimated
scheduling dates would be sometime in. April of'2019 but not held to, due to inclement weather.
Best regards,
times R. Kellett, l'rdsident
Kellett Excavating, LLC
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