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HomeMy WebLinkAboutEngineered Plan - Rev. 20150 I[0I j&1 ACCESS COVERS MUST BE WI THI N 6- OF FINISH GRADE FIRST 2' TO BE LEVEL -7 INSPECTION PORT 99. I UZ T OAS =l1 97.25 l l\ 96.88 1// III I I j 5 97.5 BAFFLE 97.05 96.82 / 6 OUTLET 28 HIGH CAPACITY INFILTRATOR °� D -BOX CHAMBERS IN BED FORMATION 1500 GAL H-20 SEPTIC TANK6 " CRUSHED STONE OR COMPACTED BASE PROFILE : NOT TO SCALE i ice/ vttR� JY i G i UP c+ / d / R� p0 m s(. i CATCH BAS/N / A 9`Fo M O t \ yc♦ YRB Q �\ \ \ �Qo I 9 cEssPaOr, LOCUS MAP ` �' aF \ CO CESSPOOL 0 BM CORNER CONI EL -98.94 F� \ GJ• 9" MINIMUM. 3' MAXIMUM COVER CLEAN SAND BACKF I L L AROUND AND 2" OVER CHAMBERS w ADJUSTED GROUNDWATER. EL -90.9 _ OBSERVED GROUNDWATER. EL -90.2 IOo. 0 0 i • On `r0 i F / / / STO D£ FENCE I i INVERT EL E VA T I ONS : IINVERT AT HOUSE: 99.1 INVERT OUT EXISTING TANK: 97.1 INVERT IN NEW SEPTIC TANK. 97.50 INVERT OUT NEW SEPTIC TANK: 97.25 INVERT IN DIST. BOX: 97.05 INVERT OUT DIST. BOX: 96.88 INVERT IN LEACH CHAMBER: 96.82 }}BOTTOM OF LEACH CHAMBER: 95.9 I DJUSTED GROUND WATER: 90.9 IBSERVED GROUND WATER: 90.2 OTTOM OF TEST HOLE */: 89.7 4NDEX WELL MI W 29. ZONE B APRIL 2015 READING -7.1'. ADJ-1.4' USE 0.7 ' ADJUSTMENT FOR DES/ GN -6-- VARIANCES p-- VARlANCES REQUI RED : TITLE 5. MAXIMUM FEASIBLE COMPLIANCE SECTION 15.212:1b) DEPTH TO GROUNDWATER 5' IS REQUIRED BETWEEN THE BOTTOM OF THE SAS AND THE MAXIMUM GROUNDWATER ELEVATION. A VARIANCE IS REQUESTED TO REDUCE THE GROUNDWATER ADJUSTMENT 8Y 0.7' AND USE A 0.7' ADJUSTMENT FOR DESIGN. SECOND FLOOR OVER GARAGE 1500 GALLON y. \ SEPTIC TANK ' O -BOX y EXISTING spy SEPTIC YANK ,Fiero P I TST I NG 1` SL 0 T 4 R EA .yP \ I 28.02 + S.F. / DESIGN CRITERIA: GENERA L NO TES DESIGN FLOW: 5 BEDROOMS AT 1/0 G.P.D. PER I . THIS PLAN IS FOR THE DESIGN AND CONSTRUCTION BEDROOM EQUALS 550 G.P.D. OF THE SEWAGE DISPOSAL SYSTEM ONLY. NO GARBAGE GRINDER 2. VERTICAL DATUM IS ASSUMED. FOR BENCH MARKS SET. SEE SI TE PLAN. SEPTIC TANK REQUIRED: MAIN HOUSE 330 G.P.D. X 2005 - 660 GAL. J. ALL CONSTRUCTION METHODS AND MA TER l AL S AND SEPTIC TANK PROVIDED: 1500 GAL. MIN. MAINTENANCE OF THE SEPTIC SYSTEM SHALL CONFORM TO MASS. D.E.P. TITLE 5 AND LOCAL SEPTIC TANK REQUIRED: OVER GARAGE BOARD OF HEALTH REGULATIONS. 220 G.P.D. X 2005 - 440 GAL. SEPTIC TANK PROVIDED: 1000 GAL. EXISTING 4. ALL SEPTIC SYSTEM COMPONENTS LOCATED UNDER AREAS SUBJECT TO VEHICULAR TRAFFIC OR GREATER SOIL ABSORPTION SYSTEM REQUIRED: THAN 3' IN DEPTH SHALL BE CAPABLE OF WITH - DESIGN PERC RATE ( 5 MIN/INCH STANDING H-20 WHEEL LOADS. SOIL TEXTURAL CLASS - I EFFLUENT LOADING RATE - 0.74 GPD/SF 5. ALL SEWER PIPE SHALL BE SCHEDULE 40 PVC OR 550 GPD / 0.74 GPD/SF - 744 S.F. REQUIRED APPROVED EQUAL. PROVIDED: 28 HIGH CAPACITY INFILTRATOR 6. SEPTIC TANK AND D -BOX SHALL BE REINFORCED CHAMBERS. 175'x 4.73 SF/FT - 828 S.F. PRECAST CONCRETE OR APPROVED POLYETHYLENE. 828 S.F. x 0.74 - 612 GPD BOTH SHALL BE WATERTIGHT. D -BOX SHALL BE WATER TESTED FOR LEVEL WHEN THERE IS MORE THAN ONE SOIL TEST PIT DATA® OUTLET. bm I NO I CA TES _� INDICATES 7• BEFORE CONSTRUCTION CALL "DIG- SAFE " . PERCOLATION OBSERVED 1 -888 -DIG -SAFE AND THE LOCAL WATER DEPT. Eg TEST - GROUNDWATER FOR LOCATION OF UNDERGROUND UTILITIES. TP #1 8. EXISTING CESSPOOLS AND LEACH PIT TO BE PUMPED 0_ HORIZON TEXTURE COLOR 98.2 DRY AND BACKFILLED. FILL 9. THE KITCHEN OUTLET TO BE REROUTED TO THE l0"-------------------- 97.4 EXISTING BATHROOM OUTLET IN THE BASEMENT. A SANDY 3/2R /0. ALL UNSUITABLE MATERIAL (A & B HORIZONS) /6------------------------ - 96.9 ENCOUNTERED BELOW THE INVERT OF THE LEACHING B LOAMY 7.5YR FACIL I TY TO BE REMOVED FOR A DISTANCE OF 5' SAND 4/6 AROUND AND REPLACED WITH SAND IN ACCORDANCE 32" -------------------- 95.5 WITH TITLE 5. C / MEDIUM IOYR SAND 5/6 42-- LEGEND a C8 CONCRETE BOUND 96-- 90.2 -W WATER L I NE O HYDRANT GAS LINE NE 102-' 89 7 -G OHW- OVER HEAD WIRES DATE: MAY I3. 2015 -0 LIGHT POST TEST BY: STEPHEN HAAS ---E- UNDERGROUND ELECTRIC LINE WITNESSED BY: PHIL,RENAUD -T- UNDERGROUND TELEPHONE LINE PERC RATE C 2 M l N/INCH - CT V- UNDERGROUND CABL EV I S I ON L l NE n' n .; +40.4 SPOT ELEVATION �t• 'BCW s""-°° � `♦ .......'40 .-_•_ EXISTING CONTOUR PROPOSED CONTOUR d JOHN O Z. DEMAREST, JR \ / '...: ....::. 24 -OAK / so {$ 9 \ :.::::: \' 30 "OAK j SEPT / C SYS EW LD E S I G N oe• / c♦y9\ 30"04K ,,<,,'-:4" / \ I I - I l O 116 SILVER LEAF LN . MAP 23. PARCEL 3 1 TP#I 2- _ \ :':. a sem/ h+9S 9 /�- SOIL REMOVAL I/ WEST YARMOUTH. MA. SEE NOTE 10. I / \ \ 12CA 8 HIGH PAC�TI_� EF \ I INFILTRATOR CHAMBERS ✓ - I / / +99-� PRPARES OR CATCH BASIN < 97.0 I\ 24 ;OAK FP A T R I C I A M U N R O E Permit olid for REPAIR OF SEPTIC Sl Sl'EN1 .. ONLI, due to State and Local septic variances. SCALE : 1 =_= 20' J UNE 20. 2 O 1 S Bo: rd of Ilealth review and approval is required for I ,y future additions/renin ations/altcrations to REVISED: JULY l . 2015 sewage facilities and/or structures/d ssellinK. STEPHEN A HAAS 1 / O �� Yarmouth Hcalita 1?chartmcut I'�'���)Efro-d�r,u� -- � ENGINEERING, I N C � / V �t P. O. Box 16 South D e n n i s, MA 02660 32.0 508) Z62 -B132 Date 0 ID 20 40 j JOB NO: 15-0/5