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Home My WebLink About362 Willow Street General Plan 320"0 CLEANOUT (TYP.) FINISHED GRADE 6'-2"( 4"0 PVC FROM ' BUILDING 4'-10" 6" f 24"0 CAST IRON FRAME AND COVER WITH PRE -CAST CONCRETE RISER (H20 LOADING). SET FLUSH WITH GRADE. (TYP. OF 2) BIOTUBE EFFLUENT FILTER GAS BAFFLE I 12" AIR (GB1 BY TUF-TITE i SPACE r OR EQUAL) 3/4" CRUSHED STONE BED TANK INTERIOR IS 5'-0" WIDE TANK EXTERIOR IS 6'-0" WIDE 1,500 GALLON SEPTIC TANK (H20 SCALE: 1/2' -l' -O" 4"0 PVC INLET TEE B" MIN. 6" 1 PLAN VIEW 4'-7" 7" NOTES 1. D -BOX OUTLET LINES SHALL BE LEVEL FOR A MINIMUM OF THE FIRST TWO FEET OF THEIR LENGTH AND SHALL THEREAFTER HAVE A MINIMUM SLOPE OF 0.005. 2. D -BOX SHALL BE SET LEVEL ON 3/4" STONE BASE. CHECK BY FILLING D -BOX WITH WATER AND VERIFYING THAT ALL OUTLETS ARE AT THE SAME 4" WALL ELEVATION. ADJUST AS NECESSARY. THICKNESS 3. D -BOX SHALL BE PRODUCT #DB -7-20 OR DB -9-20 BY CaASE PRECAST CORP. NORTHBROOKFIELD MA, OR APPROVED EQUAL. 4. PROVIDE SPEED LEVELERS SL -4 (BY TUF-TITE OR EQUAL) ON ALL D -BOX OUTLET PIPES. (7) OUTLET W/ 4" DIA. PVC SEAL 7 -OUTLET D -BOX (1-120) SCALE: 1"=l' -O" WATERTIGHT COVER -'J 7" SECTION A -A SCALE: 1 "=1'-0" K-2 4"0 PVC OUTLET LINE (TYP. FOR 2) 2'-4" 3/4" CRUSHED STONE BED EL. 96.20' EL. 88.12' EL. 82.20' GW EL. 76.20' EL. 95.00' EL. 86.08' EL. 79.67' GW EL. 75.00' NOTES: 1. SOIL EVALUATION WAS CONDUCTED ON 09/18/01 BY DAN SAULNIER, SEA CONSULTANTS. 2. THE PERCOLATION RATE IS EQUAL TO 2 MINUTES PER INCH. 3. THE EFFLUENT LOADING RATE PER 310 CMR 15.242 IS EQUAL TO 0.74 GPD/SF. 4. WITNESS FOR THE DEPARTMENT OF ENVIRONMENTAL PROTECTION WAS MR. BRIAN DUDLEY. DEEP OBSERVATION HOLE LOG 2 DEEP OBSERVATION HOLE LOG 1 Depth from Sail Horizon Soil Texture Soil Color Soil Mottling Other Surface (inches) (Mune ll) (USDA) (Munsell) (Structure, Stones, Boulders, Consistency, X FLEXIBLE MANHOLE SLEEVE (TYP.) THICKNESSSlt Gravel) 0 to 83 Gravel) 0 to 74 Fill Med. Sand Some Cobbles Some color Some Boulders 12" MIN OF 3/4" Cbserved around organics A 74 to 78 A Loamy Sand 5YR 2.5/1 None Massive, firm Loamy Sand IOYR 5/6 Observed Massive, very friable, no gravel Observed Ci 78 to 97 B Loamy Sand 10YR 5/6 None Massive, very friable, no gravel Med. Sand 2 5Y 5/4 None Observed Massive, loose, trace silt, trace gravel Observed C3 97 to 168 C Medium- IOYR 6/6 None Massive) structureless, 4% fine gravel, Coarse Sand Observed trace silt, pockets of fine -medium sand Percolation Hole Shelf at 97" Percolation Rate < 2 MPI ESTIMATED SEASONAL HIGH GROUND WATER TADLE AT 240" BASED ON MONITORING WELL DATA. NOTES: 1. SOIL EVALUATION WAS CONDUCTED ON 09/18/01 BY DAN SAULNIER, SEA CONSULTANTS. 2. THE PERCOLATION RATE IS EQUAL TO 2 MINUTES PER INCH. 3. THE EFFLUENT LOADING RATE PER 310 CMR 15.242 IS EQUAL TO 0.74 GPD/SF. 4. WITNESS FOR THE DEPARTMENT OF ENVIRONMENTAL PROTECTION WAS MR. BRIAN DUDLEY. DEEP OBSERVATION HOLE LOG 2 Depth from Soil Horizon Soil Texture Soil Calor Sol Mottling Other Surface (inches) (USDA) (Mune ll) (Structure, Stones, Boulders, Consistency, X ' FLEXIBLE MANHOLE SLEEVE (TYP.) THICKNESSSlt Gravel) 0 to 83 Fill Med. Sand None Some Cobbles ;' 12" MIN OF 3/4" Cbserved 83 to 93 A Loamy Sand 5YR 2.5/1 NoneObserved Massive, firm 93 to 107 B Loamy Sand IOYR 5/6 Observed Massive, very friable, no gravel 107 to 133 Ci Medium- Coarse Sand 2 5Y 5 4 / None Observed Massive, loose, 4% fine ravel g 133 to 159 C2 Med. Sand 2 5Y 5/4 None Observed Massive, loose, trace silt, trace gravel 159 to 184 C3 Medium- Coarse Sand 2,5Y 6 6 / None Observed Massive, loose, 4% fine ravel A ESTIMATED SEASONAL HIGH GROUND WATER TABLE AT 240" BASED ON MONITORING WELL DATA. NOTES: 1. SOIL EVALUATION WAS CONDUCTED ON 09/18/01 BY DAN SAULNIER, SEA CONSULTANTS. 2. THE PERCOLATION RATE IS EQUAL TO 2 MINUTES PER INCH. 3. THE EFFLUENT LOADING RATE PER 310 CMR 15.242 IS EQUAL TO 0.74 GPD/SF. 4. WITNESS FOR THE DEPARTMENT OF ENVIRONMENTAL PROTECTION WAS MR. BRIAN DUDLEY. I certify that on April 1999 (date) I have passed the soil evaluator examination approved by the Department of Environmental Protection and that the above analysis was performed by me consistent with the required training expertise and experience described in 310 CMR -15.017. a Signature &4 PLACE JOINT OR COUPLING PVC GRAVITY SEK (SIZE VARIES) POLYPROPYLENE COATED STEPS SAFETY TYPE STANDARD 30"0 M FRAME & COVER TYPICAL MANHOLE (PLAN) INVERT FLEXIBLE MANHOLE SLEEVE (TYP.) SMOOTH ROUNDED FOR ALL SIDE JCE PIPES YARMOUTH MAINTENANCE FACILITY Design Criteria STATE FEDAID PROJ.NO. FISCAL SHEET TOTAL FED. AID Building 15 employees YEAR NO. SHEETS (Industrial Plant without Cafeteria) 125gpd/employee gpd MASS NSA 03 16 17 Site is located within a Designated Zone 2 PROJECT FILE NO. 601571 Maximum Wastewater Loading <440 gpd/acre Acreage of property 10 acres GENERAL PLAN 22.5 gpd/acre Total Design Flow of System = 225 gpd Title 5 Soil Class I Sand, LoamySand Percolation rate 2 mpi Title 5 Loading Rate = 0.74 gpd/sf Sizing Septic Tank Total required volume 450 gallons Use minimum allowable volume 1,500 gallons Size Leach Area Leaching Area Design Flow 225 gpd Required Leaching Area 304 sf Select Leaching Trenches, Number 2 trenches Width of Trenches 2 it Effective Depth of Trenches 2 ft TOPSOIL Length of Trenches 30 ft Sidewall Area 240 sf Bottom Area 120 sr Total Leaching Area 360 sf COMMON FILL Leaching Capacity Provided 266 gpd 4" MIN 1/8" TO 1/2" Buoyancy Calculation DOUBLE -WASHED 1,500 gallon septic tank " " PEA STONE Weight of tank 23,500 # 8 MIN. 2 Width of tank 6.00 R Length of tank 11.00 It .tom. Height of tank 6.17 it Area of tank 66 sq it Volume of Tank 407 cu ft "X60;` 4"0 PVC WITH 3/8"0 Ground elevation 95.80 ft Groundwater elevation 95.80 It I ORIFICES LOCATED 45' Elevation of tank top 94.2.7 It OFF VERTICAL, ON Elevation of tank bottom 88.10 ft Weight, displaced water 1 25,411 # 2'-D" ALTERNATING SIDES, 12" ON CENTER. Buoyant Weight of Soil Above Tank 5,816# EFFECTIVE Weight of Tank & Buoyant Weight of Soil 29,316 # DEPTH 3/4" TO 1 1 /2" INCH Additional weight needed NONE DOUBLE -WASHED STONE =`` 7 -outlet distribution box =�FREE OF IRON, FINES AND DUST Weight of tank 1,050 # 1 4% Width of tank 1.67 it Length of tank 2.67 it Height of tank 2.33 ft Area of tank 4.5 sq it Volume of Tank 10.4 cu it Ground elevation 94.60 it 2'-0" Groundwater elevation 94.80 it WIDTH Elevation of tank top 93.12 it Elevation of tank bottom 90.79 ft Weight, displaced water 6480 Buoyant Weight of Soil Above Tank 431 # Weight of Tank & Buoyant Weight of Soil 1,481 # Additional weight needed NONE SET CASTING IN GROUT AND GROUT ALL AROUND COAT WITH (2) COATS OF BITUMAS71C STEEL REINFORCED TO ' A.S.T.M. & A.A.S.H.T.O. SPECS. 0.12 SQ. IN -/LIN. FT. BUM RUBBER JOINT (TYP.) SEAL ALL PINHOLES WITH HYDRAULIC CEMENT \ ,' MANHOLE STEPS 0 12" O.C. LEACHING TRENCH DETAIL SCALE: 1" = 1'-0" STANDARD MANHOLE FRAME & COVER SET RIM AT FINISH GRADE USE BRICK COURSES AS NEEDED TO BRING MANHOLE RIM TO REQUIRED ELEVATION i (MAX HEIGHT 10") SEAL INSIDE & OUTSIDE WITH HYDRAULIC CEMENT " MIN STANDARD PRECAST CONE SECTION IN 2, 3' & 4' LENGTHS WITH FLAT OR CONICAL TOP 5" WWII` STANDARD PRECAST BARREL ' SECTION COMBINATIONS OF 1', 2', 3' OR 4' LENGTHS AS NEEDED TO BRING MANHOLE RIM TO REQUIRED -0" MINIMUM ELEVATION SEAL ALL JOINTS WITH HYDRAULIC CEMENT - -V ` p N� N BRICK TABLE (SEE NOTES) `\'i- STANDARD PRECAST BASE ' IN 3' LENGTH 6" MIN BOTTOM SLAB ' FLEXIBLE MANHOLE SLEEVE (TYP.) THICKNESSSlt --- ;' 12" MIN OF 3/4" \ , NOTES: CRUSHED STONE ` 1. INNER EDGE OF BRICK TABLE TO BE AT ELEV OF CROWN OF TOP OF PIPE. TABLE TO SLOPE AT 1" PER 1' TO INSIDE_ OF MANHOLE BASE 2- TYPICAL SANITARY MANHOLE TYPICAL MANHOLE (ELEVATION) TO BE 4 FT. DIA. IILT.&