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HomeMy WebLinkAboutEngineered Plan - Rev. 2017ACCESS COVERS MUST BE WITHIN 9" MINIMUM. 6" OF FINISH GRADE 3' MAXIMUM COVER FIRST 2' TO BE LEVEL MIN 2. OF PEASTONE OR FILTER FABR I C DIAM PIPE 3/4" - I I/2 DIA. 86.75 85.4 /2DOUBLE WASHED STONE OAS 87.0 BAFFLE) 85.5-7 ��.9 85.0 51) 84.0 6 OUTLET 7 LC-6 LEACHING CHAMBERS D-BOX W/4STONE AROUND. ll'r x 50'I x 12"d 1500 GAL H-20 SEPTIC TANK 6" CRUSHED STONE OR COMPACTED BASE PROFILE : NOT TO SCALE INVERT ELEVATIONS: INVERT AT BUILDING: 92.0 INVERT IN SEPTIC TANK: 87.0 INVERT OUT SEPTIC TANK: 86. 75 INVERT IN DIST. BOX: 85.57 INVERT OUT DIST. BOX: 85.4 INVERT IN LEACH CHAMBER: 85.0 BOTTOM OF LEACH CHAMBER: 84.0 ADJUSTED GROUND WATER : N/A OBSERVED GROUND WATER: N/A BOTTOM OF TEST HOLE #l: 76.3 fil DESIGN CRITERIA DESIGN FLOW: 4 BEDROOMS AT I l0 G.P.D. PER BEDROOM EQUALS 440 G.P.D. NO GARBAGE GRINDER SEPTIC TANK REQUIRED: 440 G.P.D. X 200% - 880 GAL. SEPTIC TANK PROVIDED: 1500 GAL. MIN. SOIL ABSORPTION SYSTEM REQUIRED: DESIGN PERC RATE ( 8 M I N/ I NCH SOIL TEXTURAL CLASS - I EFFLUENT LOADING RATE - 0.66 GPD/SF 440 GPD / 0.66 GPD/SF - 667 S.F. REQUIRED PROVIDED: 7 LC-6 LEACHING CHAMBERS W/4' STONE AROUND, A-672 S.F. 672 S.F. x 0.66 - 444 G.P.D. SOIL TEST PIT DATA® Dm I NO I CA TES _� I NO I CA TES PERCOLATION = OBSERVED TES T GROUNDWATER TP # l 0" HORIZON TEXTURE COLOR 86.3 Q LOAMY I O YR SAND 3/3 22"-------------------- 84.5 LOAMY IOYR °p SECOND FLOOR PLAN e SAND 5/6 46 h0' i �\V 52 " 82.0 C/ FINE LOAMY I O YR A& SAND, FIRM 5/3 0 CB -w O OHW- -E- -T - - CT V- + 40.4 ........40 ------- LOCUS MAP 40PROPOSED CONTOUR lO 20 40 -Bok TP# I r. ND CONCRETE BOUND WATER L I NE HYDRANT GAS LINE OVER HEAD WIRES LIGHT POST UNDERGROUND ELECTRIC LINE UNDERGROUND TELEPHONE LINE UNDERGROUND CABL EV I S I ON LINE SPOT ELEVATION EXISTING CONTOUR � 0 62 " l 20"_ NO WATER 76.3 DATE: NOVEMBER 25, 2015 TEST BY: STEPHEN HAAS WITNESSED BY. AMY VONHONE PERC RATE: C 8 MIN/INCH Yh rm ouch HeAt'Ll Dep€ rtment pp �! I M11) ' arne Date 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 MA TER I AL S 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 3 ' IN DEPTH SHALL BE CAPABLE OF WI TH- 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 CESSPOOL TO BE PUMPED DRY AND BACKFI LLED. 9. ALL UNSUITABLE MATERIAL (A 4 B HORIZONS) ENCOUNTERED BELOW THE INVERT OF THE LEACHING FACI L I TY TO BE REMOVED FOR A DISTANCE OF 5 AROUND AND REPLACED WITH SAND IN ACCORDANCE WITH TITLE 5. JAN 18 2017 HEA! TH DC -PT S EP T / C SYSTEM DES / GN 14 SUMMER STREET MAP 122. PARCEL 96 YARMOUTHPOR T . MA . PREPARED FOR: ER I K MON I KA S TACY SCALE l a 20 JANUAR Y 30 20 / 5 REVISED: JANUARY ll. 20/ ` STEPHEN A. HAAS ENGINEERING, INC -N� o P. O. Box 16 ��\� South Denn i s MA 02660 / ;���,�� (SOB) 362-8 1 32 JOB NO: 14-085 1