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Home My WebLink AboutEngineered Plan - Rev. 2018GENERAL NOTES: A.) NEITHER DRIVEWAYS NOR PARKING AREAS ARE ALLOWED OVER SEPTIC SYSTEM UNLESS H-20 COMPONENTS ARE USED. B.) THE DESIGNER WILL NOT BE RESPONSIBLE FOR THE SYSTEM AS DESIGNED UN- LE55 CONSTRUCTED AS SHOWN. ANY CHANGES SHALL BE APPROVED IN WRITING. C.) CONTRACTOR SHALL BE RESPONSIBLE FOR VERIFYING THE LOCATION OF ALL UNDERGROUND AND OVERHEAD UTILITIES PRIOR TO COMMENCEMENT OF WORK. CONSTRUCTION NOTES 1.) ALL CONSTRUCTION SHALL CONFORM TO THE STATE ENVIRONMENTAL CODE, TITLE 5, AND THE REQUIREMENTS OF THE LOCAL BOARD OF HEALTH. 2.) SEPTIC TANK(S), GREASE TRAP(S), DOSING CHAMBER(5) AND DISTRIBUTION BOX(ES) SHALL BE SET ON A LEVEL STABLE BASE WHICH HAS BEEN MECHANICALLY COMPACTED, OR ON A G INCH CRUSHED STONE BASE. . 3.) SEPTIC TANK(5) SHALL MEET A5TM STANDARD C 1 127-93 AND SHALL HAVE AT LEAST THREE 20" DIAMETER MANHOLES. THE MINIMUM DEPTH FROM THE BOT- TOM OF THE SEPTIC TANK TO THE FLOW LINE SHALL BE 48". 4.) SCHEDULE 40 PVC INLET AND OUTLET TEES SHALL EXTEND A MINIMUM OF G" ABOVE THE FLOW LINE OF THE SEPTIC TANK AND SHALL BE INSTALLED ON THE CENTERLINE OF THE TANK DIRECTLY UNDER THE CLEANOUT MANHOLE. 5.) RAISE COVERS OF THE SEPTIC TANK AND DISTRIBUTION BOX WITH PRECAST CONCRETE WATER TIGHT RISERS OVER INLET AND OUTLET TEES TO WITHIN G" OF FINISH GRADE, OR AS APPROVED BY THE LOCAL BOARD OF HEALTH AGENT. G.) PIPING SHALL CONSIST OF 4" SCHEDULE 40 PVC OR EQUIVALENT. PIPE SHALL BE LAID ON A MINIMUM CONTINUOUS GRADE OF NOT LE55 THAN I %. 7.) DISTRIBUTION LINES FOR SOIL ABSORPTION SYSTEM (A5 REQUIRED) SHALL BE 4" DIAMETER SCHEDULE 40 PVC LAID AT 0.005 FT/FT. LINE SHALL BE CAPPED AT END OR AS NOTED. 8.) OUTLET PIPES FROM DISTRIBUTION BOX SHALL REMAIN LEVEL FOR AT LEAST 2' BEFORE PITCHING TO SOIL ABSORPTION SYSTEM. WATER TEST DISTRIBUTION BOX TO ASSURE EVEN DISTRIBUTION. 9.) DISTRIBUTION BOX SHALL HAVE A MINIMUM SUMP OF G" MEASURED BELOW THE OUTLET INVERT. 10.) BASE AGGREGATE FOR THE LEACHING FACILITY SHALL CONSIST OF 3/4" TO 1-1/2" DOUBLE WASHED STONE FREE OF IRON, FINES AND DUST AND SHALL BE INSTALLED BELOW THE CROWN OF THE DISTRIBUTION LINE TO THE BOTTOM OF THE SOIL ABSORPTION SYSTEM. BASE AGGREGATE SHALL BE COVERED WITH A 2" LAYER OF 1/8" TO 1/2" DOUBLE WASHED STONE FREE OF IRON, FINES AND DUST. 1 1.) VENT SOIL ABSORPTION SYSTEM WHEN DISTRIBUTION LINES EXCEED 50 FEET; WHEN LOCATED EITHER IN WHOLE OR IN PART UNDER DRIVEWAYS, PARKING AREAS, TURNING AREAS OR OTHER IMPERVIOUS MATERIAL; OR WHEN PRESSURE DOSED. 12.) SOIL ABSORPTION SYSTEM SHALL BE COVERED WITH A MINIMUM OF 9" OF CLEAN MEDIUM SAND (EXCLUDING TOPSOIL). 13.) FINISH GRADE SHALL BE A MAXIMUM OF 3G" OVER THE TOP OF ALL SYSTEM COMPONENTS, INCLUDING THE SEPTIC TANK, DISTRIBUTION BOX, DOSING CHAMBER AND SOIL AB50RPTION SYSTEM. SEPTIC TANKS SHALL HAVE A MINIMUM COVER -14:) i ROM.'i T'ii -DHT C Or -it. \i3TALLK-ii(J-114' OF Ti-iE'501L AuSOKri'i0i4 5Y5TEn,i U(, i iL' " RECEIPT OF A CERTIFICATE OF COMPLIANCE, THE PERIMETER OF THE 501L ABSORP- TION SYSTEM SHALL BE STAKED AND 1: LAGGED.TO PREVENT THE U�q OF SUCH AREA FOR ALL ACTIVITIES THAT MIGHT DAMAGE THE SYSTEM - 15.) THE BOARD OF HEALTH SHALL REQUIRE INSPECTION OF ALL CONSTRUCTION BY AN AGENT OF THE BOARD OF HEALTH (OR THE DESIGNER IF THIS SYSTEM RE- QUIRES A VARIANCE) AND MAY REQUIRE SUCH PERSON TO CERTIFY IN WRITING THAT ALL WORK HAS BEEN COMPLETED IN ACCORDANCE WITH THE TERMS OF THE I-] LAIDI11VV UL.IJI UVLU JI IMLL Lit) ILIA UL 1�LIVIUVLU UN 1 UIVI I- LU, UNi, ILLED WITH CLEAN SAND, AND ABANDONED IN PLACE. 7.) INSTALLER SHALL ENSURE 5EPTIC.TANK HAS A MINIMUM COVER OF 9". 8.) RESERVE AREA INTENDED FOR FUTURE LEACH FIELD. ESERVE AREA IS 489 SF±, CAPACITY IS 3G2 GPD, > 330 GPD. 9.) SOIL REMOVAL: ALL'Cf','A', It TY LAYER SOILS SHALL BE REMOVED FOR DISTANCE OF 5' FROM THE SOIL ABSORPTION SYSTEM DOWN TO THE'C I' AND LAYER. AREA TO BE BACKFILLED WITH CLEAN SAND AND COMPACTED TO FLOW PROFI LE: NOT TO SCALE TOP OF FOUNDATION TOTAL OF TWO (2) 20" DIAMETER I UUV UTALLUIV FULTLII ITLLIVL SEPTIC TANK SEE NOTE 17 501L TEST LOGS : TEST HOLE 1: EL= 14.7:t DEPTH FROM SURFACE (INCHES) SOIL HORIZON SOIL TEXTURE (USDA) SOIL COLOR (MUN5ELL) SOIL MOTTLING OTHER 0-10 Cf 5.7' Water Level Adjustment: O' 12-15 10-12 Ab Fine Loamy Sand I 0YR3 2 NONE 13Loamy 2-23 B Loam Sand I I OYRG 8 I NONE Medium -Fine Sand 23-110 C I Medium -Fine Sand I OYR7 4 I NONE I PERC P 40: <2 MIN'+IN NONE GW STANDING 0 1 16" GW STANDING Com? I 1 ff TFciT HnI F 2: FI _= 19.0:1 - DEPTH 5.0± DEPTH FROM SURFACE (INCHES) SOIL HORIZON SOIL TEXTURE (USDA) 501L COLOR (MUNSELU 501L OTHER MOTTLING Water Level Range Zone: 0-12 Cf 5.7' Water Level Adjustment: O' 12-15 'Ab Fine Loamy Sand I 0YR3 2 NONE 15-30 13Loamy Sand I OYRG 8 NONE 30-91 C I Medium -Fine Sand I OYRB 2 I NONE 91-1 I G C2 Medium -Fine Sand I 0YR7 4 I NONE GW STANDING 0 1 16" DATE OF TESTING: 3/29/2018 PERCOLATION RATE: LE55 THAN 2 MIN/INCH IN 'C I' *'C2' LAYERS. WITNESSED BY: ROBERT REEDY, EIT, J.M. O'REILLY � ASSOCIATES, INC. A. VON HONE, YARMOUTH HEALTH DEPARTMENT GROUNDWATER ENCOUNTERED STANDING @ I 10", EL=5.G USE A LOADING RATE OF 0.74 GPD/SF FOR SIZING OF 501L ABSORPTION SYSTEM. HIGH GROUNDWATER LEVEL CALCULATIONS: Depth To Water Table (3/29/2018): 9.1 FEET, EL=5.G Appropriate Index Well: MIW-29 Water Level Range Zone: A (0'-2') Current Depth To Water Level For Index Well (04118): 5.7' Water Level Adjustment: O' Estimated Depth To High Water: 9.1 FEET, EL=5.G SYSTEM DESIGN CALCULATIONS: SEWAGE DESIGN FLOW: 3 BEDROOM DWELLING @ 110 GPD = 330 GPD LEACHING CAPACITY REQUIRED: 3 BEDROOMS (MAX.) @ I 10 GPD = 330 GPD REQUIRED SEPTIC TANK CAPACITY REQUIRED: DAILY FLOW = 330 GPD @ 200% = GGO GAL. REQUIRED SEPTIC TANK CAPACITY PROVIDED: 1 500 GALLON SEPTIC TANK (MIN. ALLOWED) LEACHING CAPACITY PROVIDED: ONE (1) 25.0'X 12.63'X 2.0' LEACHING CHAMBER CAN LEACH: Vt=[(25.0 X 12.83) + (25.0 X 2.0)2 + (12.83 X 2.0)2] X 0.74 GPD/5F=349.28 GPD 349 GPD>330 GPD REQUIRED NOTE: A GARBAGE DISPOSAL IS NOT PERMITTED WITH THIS DESIGN. INSTALL: ONE (1) - 1500 GALLON POLYETHYLENE SEPTIC TANK ONE (1) - 3 OUTLET DISTRIBUTION BOX (H-20 RATED) TWO (2) - 500 GALLON LEACH CHAMBERS WITH 4OF STONE ALL AROUND (H-20 RATED) 5A5 DETAIL: / SCALE: I " = 10' BENCHMARK-,- NOT ENCHMARK-/ Trap of Stone Bound EL- 1 5.0± (Assumed datum) / ONE ( I) H-20 COVEf'. BUILD UI' l -O WITHIN G" OF FINi5HED GRADE / SB(FND) / (� / / 14.7 / / e q Pavement 4.6 \gu o / Edg �o / 4.7 \k / TPI / x 14.7 / stockade Fence 'O 5��e 15x8 - v.. Exi5tmg 3' Stockade Fence TO BE REMOVED AS NEEDED AND REPLACED AFTER SAS INSTALLATION IS COMPLETE TOTAL OF TWO (2) 20" GRADE (OR AS NOTED) L616je of Pavement (SEE NOTE #5) E=xisting Gravel Driveway � � N C✓� �� DRIVE �I �� Proposed E 8 L= 14.± Proposed EL= 14.8± TO BE RESTORED 'O EXISTING C014DITION AFTER SAS IN51FALLATION 15 COMPLETE (40' WIDE - TOWN WA)) 13" Proposed 13.7± (9" Min - 3G" Max) SLOT � 2" LAYER OF 1/8" 1/2" STONE ,- y - - OF 3.35 r m/3/4" - 1-! /2" STONE 13.02 12.85 : / 140 9 I"LY -k 2" DROP v •k CIVIL xn :((®1 UFiEILl y cn 10,70 � � N 62C � ria 46373'3 �. USE TWO (2) SHOREY PRECAST 500 GALLON LEACH CHAMBERS 5• I' T+j(f� Longest Run WITH 4' OF STONE AROUND 2^ $�t\I• 20' 15' (END VIEW) 0 20 GO DB -3 !Z- EL=5.G ESTIMATED 5r.A5ONA1_ HIGH GROUNDWATER D_BOX LEACHING CHAMBER 25.0'x 12.53'x 2.0' SCALE 1 "=20' H-201 H-20 G:\AAJobs\SCANLON82I8\DWG\5SDS PLAN.DWG S. YARMOUTH, MA tom AVID N,p1N 5T PLAN SCALE I "=20' THIS AREA IS SERVED BY TOWN WATER. 1 Yarmouth Health Depn2l;nerrt APPROVED v P/ 128-5 14 REVISED 10-3-18: SEPTIC AND RESERVE AREAS ADJUSTED. Mr. * Mrs. Timothy Scanlan 245 TORY HILL ROAD, WESTBROOK, CT OG498 SITE � SEWAGE DISPOSAL 5Y5TEM DESIGN 32 SUNSET DRIVE, 50UTH YARMOUTH, MA J. M. O TEILLY & ASSOCIATES, INC. Professional Engineering & Land Surveying Services 1573 Main Street - Route 6A P.O. Bog 1773 (508)896-6601 Office Brewster, MA 102631 (508)896-6602 Fax 5/9/2018 1 A5 Noted 1 RFR ( JMO I JMO-8218 V , ` -I LOCUS 1� NOT TO SC LE 6 n N PLAN BOOK 127 PAGE 145 - PLAN BOOK 91 PAGE 43 DEED BOOK 28903 PAGE 321 °o ASSESSORS' MAP 42 PARCEL 92 m LEGEND _�� --- EXISTING CONTOUR 32 PROPOSED CONTOUR x12.34 EXISTING SPOT GRADE 24x.5 PROPOSED SPOT GRADE - W- WATER SERVICE LINE -o- OVERHEAD UTILITY SERVICE -U- UNDERGROUND UTILITY SERVICE / -G- GAS SERVICE LINE P TEST HOLE / BORING LOCATION ST SEPTIC TANK DB DISTRIBUTION BOX SAS SOIL ABSORPTION SYSTEM Reserve RESERVED FOR FUTURE 14.3 mb UTILITY POLE ® CATCH BASIN ,a, FIRE HYDRANT ® WELL ® DRAINAGE MANHOLE _ _--- c0��-F - -Fin if 1�,, =v1L In „_ - - - TOP OF BANK -x--x- LIMIT OF WORK FENCE EDGE OF CLEARING - (4) Existing Cesspools 8 + SEE NOTE I G Exi5tmg Dwelling TO BE REMOVED PLAN SCALE I "=20' THIS AREA IS SERVED BY TOWN WATER. 1 Yarmouth Health Depn2l;nerrt APPROVED v P/ 128-5 14 REVISED 10-3-18: SEPTIC AND RESERVE AREAS ADJUSTED. Mr. * Mrs. Timothy Scanlan 245 TORY HILL ROAD, WESTBROOK, CT OG498 SITE � SEWAGE DISPOSAL 5Y5TEM DESIGN 32 SUNSET DRIVE, 50UTH YARMOUTH, MA J. M. O TEILLY & ASSOCIATES, INC. Professional Engineering & Land Surveying Services 1573 Main Street - Route 6A P.O. Bog 1773 (508)896-6601 Office Brewster, MA 102631 (508)896-6602 Fax 5/9/2018 1 A5 Noted 1 RFR ( JMO I JMO-8218 V , `