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HomeMy WebLinkAboutEngineered Plan - 2008=n 20. 0 m 8 Y 4 m 0 m 0 s vW 3 ACCESS COVERS MUST BE WITHIN 6. OF F I N I SH GRADE - C,i2A E IA-; \FIRST 2' TO 7 - BE BE LEVEL -7 9` MINIMUM. 3' MAXI MUM COVER MIN 2' OF PEASTONE OR F I L TER FABRIC 3/4' - 1 //2' DIA. LJ 15.2 �j° 2 ' H-20 DOUBLE WASHED, STONE GAs ,/ s 15.0 BAFFLED. 3 OUTLET 2-500 GAL LEACHING CHAMBERS D -BOX W/4' STONE AROUND. 12.8'ir x 25'1 x 2'd 1500 GAL H-20 SEPTIC TANK 6' CRUSHED STONE OR COMPACTED BASE PROF I L E: NOT TO SCALE i rl �� 1� r' •� O t0 Bvw2 r �t TOP WATER 711108 / EL -3.5 f �� 1 1 , � , 1 1 y o Q J L kU�S f' LEWIS BAY 000S MA P o7 0 /0 20 40 R8 FND ;5 9 130 11 YRS FND O 2-500 GALLON LEACGING CHAMBERS W/4' STONE AROUND ,INVERT ELEVATIONS: e 1 17.6 INVERT AT BUILDING. 17.5 SAND 2/2 INVERT IN SEPTIC TANK: 15.75 INVERT OUT SEPTIC TANK: 15.5 INVERT IN DIST. BOX: 15.37 INVERT OUT DIST. BOX: 15.2 SAND 4/6 INVERT 1N LEACH CHAMBER: 15.0 ` BOTTOM OF LEACH CHAMBER: 13.0 I ADJUSTED GROUND WATER: N/A OBSERVED GROUND WATER: N/A BOTTOM OF TEST HOLE *l: 6.6 WE-® ° Z1; Data i L EGFND L3 CB I CONCRETE BOUND -W WATER LINE O ( HYDRANT -G GAS LINE OHW- OVER HEAD WIRES LIGHT POST -E- II UNDERGROUND ELECTRIC LINE -T- 4, UNDERGROUND TELEPHONE LINE -CTV- UNDERGROUND CABLEV I S ION LINE + 40.4 SPOT ELEVATION __-40-- EXISTING CONTOUR PROPOSED CONTOUR DESIGN CRITERIA: DESIGN FLOW: 3 BEDROOMS AT 1/0 G.P.D. PER BEDROOM EQUALS 330 G.P.D. NO GARBAGE GRINDER SEPTIC TANK REQUIRED: 330 G.P.D. X 200x_- 660 GAL. SEPTIC TANK PROVIDED: 1500 GAL. MIN. SOIL ABSORPTION SYSTEM REQUIREDi DESIGN PERC RATE C 5 MIN/INCH SOIL TEXTURAL CLASS - I EFFLUENT LOADING RATE - 0.74 GPD/SF 330 GPD / 0.74. GPD/SF - 446 S.F. REQUIRED PROVIDED: 2-500 GAL LEACHING CHAMBERS W/4' STONE AROUND. A-471 S.F. 471 S.F. x 0.74 - 348 G.P.D. SOIL TEST PIT DA TA INDICATES Q INDICATES PERCOLATION OBSERVED TES T GROUNDWATER TP */ 0' e 1 17.6 Ilr 5 WE-® ° Z1; Data i L EGFND L3 CB I CONCRETE BOUND -W WATER LINE O ( HYDRANT -G GAS LINE OHW- OVER HEAD WIRES LIGHT POST -E- II UNDERGROUND ELECTRIC LINE -T- 4, UNDERGROUND TELEPHONE LINE -CTV- UNDERGROUND CABLEV I S ION LINE + 40.4 SPOT ELEVATION __-40-- EXISTING CONTOUR PROPOSED CONTOUR DESIGN CRITERIA: DESIGN FLOW: 3 BEDROOMS AT 1/0 G.P.D. PER BEDROOM EQUALS 330 G.P.D. NO GARBAGE GRINDER SEPTIC TANK REQUIRED: 330 G.P.D. X 200x_- 660 GAL. SEPTIC TANK PROVIDED: 1500 GAL. MIN. SOIL ABSORPTION SYSTEM REQUIREDi DESIGN PERC RATE C 5 MIN/INCH SOIL TEXTURAL CLASS - I EFFLUENT LOADING RATE - 0.74 GPD/SF 330 GPD / 0.74. GPD/SF - 446 S.F. REQUIRED PROVIDED: 2-500 GAL LEACHING CHAMBERS W/4' STONE AROUND. A-471 S.F. 471 S.F. x 0.74 - 348 G.P.D. SOIL TEST PIT DA TA INDICATES Q INDICATES PERCOLATION OBSERVED TES T GROUNDWATER TP */ 0' HORIZON TEXTURE COLOR 17.6 A LOAMY IOYR SAND 2/2 /0 - .......................................... 16.8 B LOAMY I O YR SAND 4/6 30' ............ .. . 15.1 C / MEDIUM IOYR - SAND 6/6 S 45' 132 ' I NO WA TER 1 6.6 DATE: JUNE 19. 2008 TEST BY: STEPHEN HAAS WITNESSED BY: PHIL RENAUD PERC RATE: C 2 MIN/INCH G3CC��OMGD FAA2�1C `= OCT O 1 GOO HEALTH DEPT GENERAL NO TES I. THIS PLAN IS FOR THE DESIGN AND CONSTRUCTION OF THE SEWAGE DISPOSAL SYSTEM ONLY. 2. VERTICAL DATUM IS ASSUMED. FOR BENCH MARKS SET. SEE SITE PLAN. 3. ALL CONSTRUCTION METHODS AND MATERIALS AND MAINTENANCE OF THE SEPTIC SYSTEM SHALL CONFORM TO MASS. D.E.P. TITLE 5 AND LOCAL BOARD OF HEALTH REGULATIONS. 4. ALL SEPTIC SYSTEM COMPONENTS LOCATED UNDER AREAS SUBJECT TO VEHICULAR TRAFFIC OR GREATER THAN 4' IN DEPTH SHALL BE CAPABLE OF WITH- STANDING H-20 WHEEL LOADS. 5. ALL SEWER PIPE SHALL BE SCHEDULE 40 PVC OR APPROVED EQUAL. 6. SEPTIC TANK AND D -BOX SHALL.BE REINFORCED PRECAST CONCRETE OR APPROVED POLYETHYLENE. BOTH SHALL BE WATERTIGHT. D -BOX SHALL BE WATER TESTED FOR LEVEL WHEN THERE IS MORE THAN ONE OUTLET. 7. BEFORE CONSTRUCTION CALL 'DIG -SAFE-. 1 -888 -DIG -SAFE AND THE LOCAL WATER DEPT. FOR LOCATION OF UNDERGROUND UTILITIES. 8. EXISTING CESSPOOLS TO BE PUMPED DRY AND BACKFILLED. 9. WHERE THE SEWER LINE AND WATER LINE CROSS. THE SEWER LINE IS TO BE SLEEVED WITH A LARGER DIAMETER PIPE /0' EITHER SIDE AND SEALED ON THE ENDS. �.10.. si461 1 , SEPT/C SY.STE-M DES /G/V 47 HARBOR ROAD . MAP 20 . PARCEL / WAS T YAR ®UTA, A • P'RE-PARE-D F'0R : OA T HEL ///S SCALE : / " - 20 ' JULY 2. 2008 EAGLE SURVEYI NG I NC 923 Routes 6A Yarmouthport MA 02675 (508) 362-6132 ( 508) 432-5333 JOB NO: 08-047 FIELD : CFW/EEK I CAL C: SAH/CFW I CHECK: CFW I DRN : SAH