Loading...
HomeMy WebLinkAboutConstruction Notes - Consultant Review - 997 DALE STREET 11/8/2019 ED North Andover Health Department Community and Economic Development Division ONSITE WASTEWATER SYSTEM CONSTRUCTION NOTES LOCATION INFORMATION ADDRESS: 997 Dale Street MAP: 104.A LOT: 9 INSTALLER: Peter Breen 978-687-7774 DESIGNER: Thorsen Akerley—William & Sparages 978-539-8088 PLAN DATE: 6/17/2019, rev 7/22/2019 BOH APPROVAL DATE ON PLAN: 8/9/2019 INSPECTIONS TANK INSPECTION: 8/27/2019 DATE OF BED BOTTOM INSPECTION:9/3/2019 DATE OF FINAL CONSTRUCTION INSPECTION: 9/24/2019 DATE OF FINAL GRADE INSPECTION:11/5/2019 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 (effluent filter) ❑ inch cover to within 6" of finish grade installed over one access port ❑ Hydraulic cement around inlet & outlet Comments: 9/24/19 — Tank outlet penetration was adjusted by site contractor, does not appear watertight. Needs to be corrected & re-examined. Manhole cover not at site PUMP CHAMBER ® Bottom of tank hole has 6" stone base ❑ Weep hole plugged ® 1000 gallon Pump Chamber installed ® H-10loading ® Monolithic tank construction ❑ Inlet tee installed, centered under access port ® Pump(s) installed on stable base ® Alarm float working ® Pump On/Off floats working ® Separate on/off floats ® Drain hole in pressure line ❑ cover at final grade installed over pump access port ® Water tightness of tank has been achieved by Visual testing ® Hydraulic cement around inlet & outlet Comments: 9/24/19 — Pump installed is not pump specified. Float settings do not appear to be per plan. Manhole cover not at site CONTROL PANEL ® Alarm & Pump are on separate circuits ® Alarm sounds when float is tripped ® Location of control panel: basement ® Alarm signal located inside: basement 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 ® Observed even distribution ® Speed levelers provided (not required) ® Schedule 40 PVC Pipe Comments: 9/24/19 — Distribution box does not appear to be H-20 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: 9/24/19 — Stone bed slightly narrower and longer than proposed, ok. FINAL GRADE ® Loamed ® Seeded ® Cover per plan Comments.- DOCUMENTS NEEDED f Certification of Installation Form submitted By engineer and signed and dated by Engineer and installer ® As-Built Plan BM = 100 H R = 3.06 HI = 103.06 SYSTEM ELEVATIONS ROD AS-BLT INVERT DESIGN INVERT ELEVATION ELEV ELEV Building Sewer OUT 4.39 98.34 98.39 Septic Tank IN 5.11 97.62 97.78 Septic Tank OUT 5.26 97.47 97.53 Pump Chamber IN 5.34 97.39 97.50 Pump Chamber OUT 5.00 97.73 97.25 Distribution Box IN 2.06 100.67 100.70 Distribution Box OUT 2.06 100.67 100.53 Laterals 1-6 BEG 2.26 100.47 100.42 Laterals 1-6 END 2.52 100.21 100.20 SKETCH PLAN NOD .. PUBLIC HEALTH DEPARTMENT Commadty t Economit Development TOWN OF NORTH ANDOVER SEPTIC DISPOSAL SYSTEM—INSTALLATION CERTIFICATION The undersigned hereby certify that the Sewage Disposal System(4onstnccted;( )repaired; C�C} (Print/Name) ` r Located at: (Installation Address) Was installed in conformance NOth the North Andover Board of Health approved plan,originally dated and last revised on__7 - flow of gallons per day. The materials used were in conformance with those specified on the approved plan;the system was installed in accordance with the provisions of 310.CMR 15.000,Title 5 and local regulations,and the final grading agrees substantially with the approved plan.All work is accurately represented on the As-built which has been subinitted to the Board of Health. Bottom of Bed Inspection Date: _ Engineer Representative(Signature) And—Print Name Final Construction Inspection Date:.._ Engineer Representative(Signature) And—Print Name Installer- _(Signature) Date: And—Print Name Engineer: _(Signature) Date:�� And—Print Name w 120 Main Street,North Andover, Massachusetts 01845 Phone 978.688.9540 Fax 978.688.9542 Web http://www.northandoverma.gov P