Loading...
64 Plan Review 2016 PLAN REVIEW- SYSTEM COMPONENTS City/Town e d ,/4) Lot Number / Address Application No.0016 -1/ NOWE ER/di G 6e 7/ l2yest A) 11- /T/ fjl�S/S a5 /- >75 Kd OWNER ADDRESS TELEPHONE # ( ) 3.070 96O/ DESIGN ENGINEER\SANITARIAN &T7 P FACILITY DESIGNED FOR A. /Single or Multifamily dwelling #Bedrooms 3 Garbage Disposal yes_ no_X Total Design Flow gallons per day B. Other(describe) Pel Design Basis 330 @ /�//C7 `y Total Design Flow 3 55. a gpd COMMENTS or PROBLEMS: Pager 1 of 16 ITEMS 71 TE: Pipe diameter Schedule of pipe Watertight joints BUILDING SEWER Slope (min for 4"pipe is 0.01 or 'A" per foot) Invert elevation at building or 1418." per foot; desired slope is 0.02 � Length 2‘ Alignment and grade 9d, s (manholes required at changes in both alignment and grade.) Manhole (Must have metal frame and cover at grade) Pager 2 of 16 SEPTIC TANK Tank size at least 200 % of design flow (minimum tank size is 1,500 gal) 2"-3" drop from inlet to outlet Minimum 4' liquid depth Tees extend 6" above flow line Inlet tee 10" below flow line(minimum) Air space (3"above tees,9" above flow line) Depth of outlet tee (minimum 14") Access manhole over center of tank and each tee Number of compartments= • Gas baffle on new construction Septic tank detail provided Buoyancy calculation (if necessary) On 6"crushed stone Pager 3 of 16 DISTRIBUTION BOX ITEMS TO NOTE: VI Inlet elevations 9 5 ! 1/........ -Outlet elevations get.. /�% Drop (inlet-outlet) CK ' /�/ Sump (6" minimum) Baffle or inlet tee MI outlets at same elevation ventilation II aanhole cover to grade r / • of outlets size of outlets(diameter) Distribution laterals: No. Detail Provided Size Pager 4 of 16 LEACH FIELD Items to note: /� Dimension of field(s): Length / Width _ Number of fields Field separation_(10 ft. min) Total area provided for disposal (sq. ft.) (1 x w x no.of fields) 1- lions of treatment provided: Bottom area x loading factor (from 15.242)= gal. (must be equal or greater than design flow) Note: Leaching area must be increased if garbage grinder is used. /Elevation ation of bottom of the field ev 544 2- (must be 4 ft/or 5 ft above max.high groundwater depending on perc rate.) 63416 7 96. Number of distribution pipes ✓TYpe Length (100'max.) Slope(min. 0.005) _�5jtacing(6' max.) Depth of stone beneath pipe (min 6") Plan states stone is double washed 2'„cover of 1/8" to 'A" stone over pipe crown v .,nds capped g/Aggregate depth 6" minimum and 12" maximum.„... � �pth of cover material above stone(min.9") y� Construction of leaching facility in fill? Yes s�PIIl is specified as TitleV on plan _ Certification on fill submitted ✓' _ F' is speci or 5' around entire system oration between lines (6 ft maximum) Separation between lines and edge of bed-four feet maximum. Pager 5 of 16 difie- LEACHING TRENCHES length _(max.100')width ( •24) Number of trenches�— (6+, min) Depth of stone beneath pipe Leaching area available sq ft. bottom=length x width x no.trenches e hs=trenches sides=length x depth (2'max) TOTAL= sq ft. note: the effective depth shall be equal to the depth of the trenches below u the invert of the distribution pipe up to maximum of 2 ft. !aching (bottom plus sides)x loading factor=gallons treated are requirements: area Totaing factor is based Loading gallons r e based system perc design(see 15.242) must be>design flow for system Total gallons treated by system design must be gn ,EACHING AREA REQUIREMENTS SATISFIED? Yes is ,No note:leaching area must be increased if garbage grinder e feet separation Ground water elevation: ___4 feet or between trench bottom and max.high groundwater. greater Trench spacing 3 x effective width or depth whichever is gr Trench width 4 ft maximum 0.005 or 6"per 100 feet) Pipe slope(min. 0.5f 9") _ Backf l depth (mi Ends capped 50 ft are vented. Distribution lines exceeding 3") Diameter of distribution pipe (� The area be line orifice(min. 318, max %") where The area between trenches shall be designated as reserve area only the separation distance between the excavation sidewalls is at least six feet. _ Fill is specified as Title V on plan Certification on Fill submitted system Fill is specified for 5" around entire sy Pager 6 of 16 PLAN REVIEW CHECKLIST JERAL INFORMATION ECK TO VERIFY THAT THE PLAN INCLUDES THE FOLLOWING REQUIRED •O1,MATION: _/MASS.REG.SANITARIAN,or_—MASS.P.E. stamp and signature of 1"=40' for plot plan Scale f 1"=20' for system component details Legal boundaries of the facility being served including easements could affect the imp act the system installation/performance. �.. dwellings,buildings existing and proposed impetuous areas Loco of all existing and proposed impervious areas Location and dimensions of the system including reserve area d Design calculations: Sewage flow �—gp gpd Septic tank size required „ ” " provided gPd North rrow,existing and proposed contours Location and log of deep hole observation test date of test existing grade elevations for each test Pager 7 of 16 PLAN REVIEW CHECKLIST (coat.) Name of approving authority representative Name& approval no.of soil evaluator__--- Location and results of perc test perc test n of water lines and other subsurface utilities on facility ed groundwater elevation in vicinity of the system Mete profile of the system A note on the plan listing all variances to the provisions of with the plan 310 CMR 15.00 and local requirements sought in conjunction !i Locationnao d elevation to dislocation orr loss during conjunction of the facility if dosing syste is proposed: /�/,f{� and specifications of the system / / /__ complete Pe uired ,provided _ dosing chambe capacity; re 4 number of dosing c cies, depth of cycles Pager 8 of 16 PLAN REVIEW CHECKLIST (CON'T) _ Recirculating Sand Filters _ Complete plans and specifications hydraulic location of f the the treatment treatment works and nearest existing street street and lot number Pager 9 of 16 DOSING TANK Dimensions Lx WxD=Vol. Number/size of siphons Ca acity gpm Number and size of pumps(No.�.+ P Discharge size Manholes to grade Groundwater elevation(min. 1 ft below inlet) _ Pump controls _ Alarm(on separate power circuit) _ Buoyancy calculations(if needed) Pump system calculations Pager 10 of 16 LEACHING CHAMBERS/PITS S TO NOTE Manufacturer Installation Bed Formation _ Number of beds of trenches Length Width Depth ching area available tom: (length x width x no.of pits) 2 x(width (2'max) x#of pits. es: (2 x(length x depth (2'max.) (2 ft.� tal leaching area available= AREA REQUIREMENTS: otal leaching area(bottom+sides)x loading factor from 15.242 rester than or equal to the design low gals. This leaching area if garbage grinder is used. low for the crease leaching _ Distribution Trenches:every 20 feet Beds: area for pipe not to exceed 60x60 feet Trenches:2 x effective depth or width _ Spacing Beds: 4 feet between excavation sidewalk. Manholes (min -one 20" access per unit; a 24" diam for>2,000 gal units) Stone around chamber(12"to 48"of%"to 1 'h" stone) 2" cover of 1/8"to 'h" stone 4' separation between max.high GW and trench bottom?Yes No — Pager it of 16 PLAN REVIEW'SYSTEM SITING wined By: ...... Approval# ................. Date ..................... Messed By:............................................. y:............................................. Owner's Name, ation Address or Address and Number: Telephone No. ice Review NO —_ YES Wished Soil Survey: p ...... Year Published ............Publication Soil Ma Drainage Class ............ Soil Limitations .................... trl'icial Geologic Report Available: No Yes Year Published ............ Publication Scale ................. .... Geologic Material(Map Unit) ................................. Landform ......................... food Insurance Rate Map: Above 500 year flood boundary No Yes Within 500 year boundary No Yes Within 100 year flood boundary No_ Yes Pager 12 of 16 and Area: National Wetland Inventory Map(map wilt) Wetlands Conservancy Program Map(map unit) rent Water Resource Conditions(USGS): Month Normal _ Below Normal Range: Above Normal ier References Reviewed: nimum setback distances(where applicable)shall be shown on the plan for the proposed ,posal facility (septic tank and soil absorption system.) Soil Absorption Septic Tank System(SAS) property line 10 10 Cellar wall/inground sw' ' g pool Slab Foundation Water supply pressure line_ urface waters (except wetlands) 10 20 10 25 1 10 10 25 Pager 13 of 16 50 Septic Tank SAS —Bordering vegetated wetlands,salt marshes, 25 50 inland and coastal banks SURFACE WATER SUPPLY 400 reservoirs and impoundments 400 200 tributaries to SWS 200 te Wetlands bordering SWS or 100 thereto 100 100 ernal Pools 100 1 well 100 orivact water supply we 50 or suction line JBLIC WATER SUPPLY WELL Gravel packed ubular Irrigation well en,subsurface,or surface drains which discharge to SWS or tributaries thereto 4 400 400 2 250 250 2 10 25 50 Pager 14 of 16 100 Other open,surface or subsurface drains (ex- eluding foundation drains) which intercept seasonal high 7palffidwater _Other open,surface of subsurface drains (ex- clyding foundation drains Septic Tank 25 5 Soil Absorption System 50 10 Leaching and catch 10 25 N/A 15' (min)to top of 3:1 slope Downhill slope 7 Insp n Port(s) Magnetic Tape Correct#of deep hole per code revision Note: slope stabilization shall be provided(including retaining walls)when an adjacent downhill slope to a disposal facility is greater than 3:1. Pager 15 of 16 EFFLUENT LOADING RATES (gpd/sq.ftJday) 'ERC.RATE SOIL CLASS min./m.) CLASS I CLASS II CLASS III CLASS IV <5 0.74 0.60 6 0.70 .0.60 7 0.68 0.60 8 0.66 0.60 10 - 0.60 15 0.56 0.37 20 0.53 0.34 0.40 0.33 25 30 0.33 0.29 Loading criteria listed below apply only to the upgrade of existing systems pursuant to 310 CMR 15.405 (1)(c)or systems constructed pursuant to 310 CMR 15.417 0.25 40 0.15 60 Pager 16 of 16