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HomeMy WebLinkAbout152 Pawkannawkut Drive Septic System DesignSOIL TEST PIT DATA NOT TO SCALE TEST PIT TP -1 GRD. EL 5.4 SHGW EL 1.5 EL 2.4 EL. 1.6 EL 1.5 EL 0.7 EL -1.1 EL. -5.1 FFILL 0/A PEAT 2.5YR 4/3 Bw - LOAMY SAND IOYR 3/3 - C MEDIUM SAND 1OYR 5/4 36" EL 2.3 TEST BY: EL 1.5 46" EL 1.1 47" KIERAN J. HEALY, SE 54" FAIL 56" CLASS II 78" EL -1.7 126" EL. -5.1 TEST PIT TP -2 GRD. EL 5.0 SHGW EL - FILL 0/A PEAT 2.5YR 4/3 Bw LOAMY SAND 10YR 3/3 C MEDIUM SAND 1OYR 5/4 ONSITE SOIL EVALUATIQ�LTP-1 P.ND T2-2 DATE: NOVEMBER 26, 2014 TEST BY: BSC GROUP, INC. WITNESSED BY. AMY VON HONE, BOH. LICENSED SOIL EVALUATOR: KIERAN J. HEALY, SE PERCOLATION RATE: FAIL SOIL CLASS: CLASS II L.T.A.R•: NOT APPLICABLE LEGEND 177-7-777-1 UNSUITABLE 0 ESTIMATED MATERIALS SEASONAL HIGH (TO BE REMOVED) GROUNDWATER PERCOLATION -S- OBSERVED GROUNDWATER TEST RANGE SEASONAL HIGH GROUNDWATER ADJUSTMENT DEPTH TO OBSERVED WATER 8.1 MEAN HIGH WATER 1.5 OBSERVED WATER -0.3 THE PROJECT SITE IS LOCATED WITHIN 300' OF THE OCEAN, AND IS THEREFORE UNDER TIDAL INFLUENCE 121" EL. -3.0 I TEST PIT TP -3 GRD. EL 5.0 SHGW EL 1.5 FILL 0/A PEAT 2.5YR 4/3 MEDIUM SAND Bw LOAMY SAND 10YR 3/3 C MEDIUM SAND 10YR 5/4 EL 4.6 21" 25" EL 2.6 26" EL 2.3 EL 2.0 31" EL 1.5 1340 42" EL 1.2 96" EL 1.0 ONSITE SOIL EVALUATION (TP -3 TEST PIT TP -5 GRD. EL 5.3 SHOW EL 1.5 FILL PEAT 2.5YR 4/3 MEDIUM SAND Bw LOAMY SAND 10YR 3/3 DATE: EL 3.4 33" WITNESSED BY. AMY VON HONE, R.S. 42" KIERAN J. HEALY, PLS PERCOLATION RATE: 47" EL. 2.9 LT.A.R.: EL. 2.7 FRONT 30' EL 2.3 79" EL. 1.5 121" EL. -3.0 I TEST PIT TP -3 GRD. EL 5.0 SHGW EL 1.5 FILL 0/A PEAT 2.5YR 4/3 MEDIUM SAND Bw LOAMY SAND 10YR 3/3 C MEDIUM SAND 10YR 5/4 EL 4.6 21" 25" EL 2.6 26" EL 2.3 EL 2.0 31" EL 1.5 1340 42" EL 1.2 96" EL 1.0 ONSITE SOIL EVALUATION (TP -3 TEST PIT TP -5 GRD. EL 5.3 SHOW EL 1.5 FILL PEAT 2.5YR 4/3 MEDIUM SAND Bw LOAMY SAND 10YR 3/3 DATE: DECEMBER 11, 2014 TEST BY- BSC GROUP, INC. WITNESSED BY. AMY VON HONE, R.S. LICENSED SOIL EVALUATOR: KIERAN J. HEALY, PLS PERCOLATION RATE: 16 MINS.,ANCH #4 SOIL CLASS: CLASS II LT.A.R.: 0.74 GPD/S.F. ,GENERAL NOTES 1. THIS PLAN IS INTENDED FOR THE PERMITTING AND CONSTRUCTION OF THE SEPTIC SYSTEM AND ASSOCIATED SITE WORK. 2. ALL CONSTRUCTION METHODS AND MATERIALS SHALL CONFORM TO 310 CMR 15.000 AND YARMOUTH BOARD OF HEALTH REGULATIONS. 3. THERE ARE NO KNOWN OR PROPOSED PRIVATE WELLS LOCATED WITHIN 150 FT. OF THE PROPOSED LEACHING FACILITY. 4. IF AN OVERDIG IS SPECIFIED, REMOVE ALL TOPSOIL, SUBSOIL AND OTHER UNSUITABLE MATERIALS. 5. IF AN OVERDIG IS SPECIFIED, REPLACE ALL EXCAVATED MATERIALS WITHIN THE LIMIT OF EXCAVATION WITH CLEAN GRANULAR SAND, FREE FROM ORGANIC MATERIAL AND DELETRIOUS SUBSTANCES. MIXTURES AND LAYERS OF DIFFERENT CLASSES OF SOIL SHALL NOT BE USED. FILL SHALL NOT CONTAIN ANY MATERIAL LARGER THAN 2 INCHES. A SIEVE ANALYSIS USING A #4 SIEVE SHALL BE PERFORMED ON A REPRESENTATIVE SAMPLE OF FILL UP TO 45% BY WEIGHT MAY BE RETAINED ON THE #4 SIEVE. SUCH ANALYSES MUST DEMONSTRATE THAT THE MATERIAL MEETS EACH OF THE FOLLOWING SPECIFICATIONS: 100% MUST PASS #4 SIEVE 10% MUST PASS #50 S!EVE 0-20% MUST PASS x!100 SIEVE 0-5% MUST PASS #200 SIEVE 6. EXIST114G UTILITIES WHERE SHOWN! ON THE PLANS ARE APPROXIMATE. THE ENGINEER DOES NOT GUARANTEE THEIR ACCURACY OR THAT ALL SUBSURFACE STRUCTURES ARE SHOWN. CONTRACTOR SHALL VERIFY THE SIZE, LOCATION AND ELEVATION OF INVERTS OF UTILITIES AND STRUCTURES, WITHIN THE LIMIT OF WORK, PRIOR TO THE START OF CONSTRUCTION. IF ANY DISCREPANCIES ARE DISCOVERED OR FIELD CHANGES REQUIRED, THE CONTRACTOR SHALL NOTIFY THE ENGINEER IMMEDIATELY. 7. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROPERLY COORDINATING THE PROPOSED CONSTRUCTION ACTIVITIES WITH DIG -SAFE AND THE APPLICABLE UTILITY COMPANIES, AND SHALL COMPLETE THE PROPOSED WORK WITHOUT ANY INTERRUPTIONS IN SERVICE. B. CONTRACTOR IS REQUIRED TO NOTIFY D!G-SAFE, PER MASS. STATUTE CHAPTER 82, SECTION 40 (888) 344-7233 A MINIMUM OF 72 HOURS PRIOR TO THE START OF CONSTRUCTION. 9. THIS SYSTEM IS NOT DESIGNED FOR THE USE OF A GARBAGE GRINDER. INSTALLATION OR USE OF A GARBAGE GRINDER AT THIS PROPERTY IS NOT ALLOWED PER 310 CMR 15.240(4). AHUSEITS TRLF 5e NONE TOWN OF YARMOUTH BOARDS HEALTH R� ATL . IONS: 1. SECT. 3.7: TO ALLOW DESIGN OF A SOIL ABSORP11ON SYSTEM IN AN AREA WHERE THE DEPTH TO GROUNDWATER WAS FOUND TO BE LESS THAN 4 FEET BELOW THE GROUND SURFACE (TP -3). 2. SECT. 3.4: TO ALLOW DESIGN OF A SOIL ABSORPTION SYSTEM BASED ON A PERCOLATION RATE SLOWER THAN 20 MPI (33 MPI). (NO CHANGES TO PROPOSED VARIANCES, AS SHOWN ON THE 2/13/15 RECORD PLAN) 27" 49" 51" ONSITE SOIL EVALUATION (TP -5 DATE. DECEMBER 22, 2014 TEST BY- BSC GROUP, INC. WITNESSED BY: AMY VON HONE, R.S. LICENSED SOIL EVALUATOR: KIERAN J. HEALY, PLS PERCOLATION RATE: 33 MINS.ANCH SOIL CLASS- CLASS II L.LA.R.: 0.25 GPD/S.F. LOCUS INFORMATION CURRENT OWNER: JESSIE'S LANE LLC TILE REFERENCE: DEED BOOK 29209, PAGE 227 PLAN REFERENCE: PLAN BOOK 181, PAGE 125 ASSESSORS MAP: 25 PARCEL:* 52 ZONING DISTRICT: R-25 SETBACKS: FRONT 30' -- SIDE 15' REAR N/A MINIMUM LOT SIZE: 25,000 S.F. EX. TOTAL LOT AREA: 11,500± S.F. PROP. BUILDING COVERAGE: 2,212± S.F. (19.2%) NITROGEN SENSITIVE MASSACHUSETTS ZONE: NOT A ZONE II FEMA FLOOD 5=0.01 FIRST PIPE LENGTH ZONE DISTRICT: ZONE AE (EL 11) 4" INVERT AT BUILDING AS SHOWN ON FLOOD INSURANCE RATE SCH. PVC MAP COMMUNITY -PANEL NO. 25001CO588 J, REVISED JULY 16, 2014 DESIGN CALCULATIONS 4 BEDROOMS Q 110 GPD/BEDROOM = 440 GPD F 440 GPD X 200% = 880 GALLONS USE 2,000 GALLON SEPTIC TANK SIZE OF REQUIRED JLMEING FACILITY DESIGN PERC. RATE: <33 MIN/INCH LONG TERM APPL RATE: 0.25 GPD/SF 440 GPD t 0.25 GPD/SF = 1760 SF SIZE OF LEAQUING E62LI I PROS^DEQ USE (75) ARC 36 LEACHING CHAMBERS AND (10) SIDE PORT COUPLERS IN FIELD CONFIGURATION IN ACCORDANCE WITH MASSACHUSETTS DEP APPROVAL, EFFECTIVE LOADING RATE IS 4.80 SF/LF OF CHAMBERS 5.0 LF/CHAMBER X 75 CHAMBERS = 375 LF 1.17 LF/SIDE PORT COUPLER X 10 COUPLERS =11 LF 386 LF X 4.80 SF/LF = 1,852 SF 1,852 SF X 0.25 GPD/SF = 463 GPD INSTALLED CAPACITY 463 GPD PROVIDED > 440 GPD REQUIRED SYSTEM PROFILE 28 U1 NOT TO SCALE LOCUS SCHEDULE OF ELEVATIONS NANTUCKET SOUND LOCUS MAP -- NOT TO SCALE 4" SCH. 40 PVC BRIAN G. YERGATIAN DATE PROFESSIONAL ENGINEER SEPTIC SYSTEM DESIGN EL=A L=51± FT. SOUTH YARMOUTH MASSACHUSETTS TOP OF FOUNDATION 11.00 A TOP FOUNDATION 5=0.01 FIRST PIPE LENGTH DATE DESC. 4" INVERT AT BUILDING 7.55 B SCH. PVC TO BE SET LEVEL 2 4" INVERT AT SEPTIC TANK (IN) 7.35C L =100 FT. L FOR MIN. 2' FINISH GRADE 11/25/15 ROTATE HOUSE 4" INVERT AT SEPTIC TANK (OUT) 7.10 D EL=9.3 . 5=0.02 9.2 TO 7.5 4" INVERT AT DIST. BOX (IN) 6.57 E FINISH GRADE EL 9.2 4" SCH. 40 PVC 4" INVERT AT DIST. BOX (OUT) 8.40 F Yarmouth Health Department APPR YED 40 MIL POLY LINER Name Date A G/i PREPARED FOR: EL 7.0 TO EL 4.5 ELEVATIONS AT LEACHING FACILITY. Mr. PAUL BUTLER r pkbutler2002@yahoo.com :Mz BSC GROUP 349 Route 28, Unit D W. Yarmouth, Massachusetts 02673 508 778 8919 4" INV. AT LEACHING CHAMBERS 6.7) SCALE: I" = 10' 0 5 10 20 r¢r FILE: P:/pry/4588500/Civil/_Draw../4988500-SP.d; DWG. NO: 6288-04 JOB. NO: 4-9885.01 SHEET 1 OF 2 7.0 BOTTOM OF LEACHING CHAMBERS � H (BRKOUT L.=8.0 . i 1=13 ADJUSTED SEASONAL HIGH GROUNDWATER 9.50 J ..:, ,. I =p I=G H 2 1=C 1=E 1=F Ce ." t DISTRIBUTION 4.1' SEPARATION LEACHING 2,000 GALLON BOX CHAMBERS SEPTIC TANK J NOTE MAGNETIC REFLECTIVE TAPE SHALL BE PROVIDED ADJUSTED SEASONAL HIGH GROUNDWATER IN THE TRENCH OVER ALL PVC PIPING s 5�: M PROPOSED DRAINAGE SYSTEM ` REMOVE ALL PEAT UNDER THE/ 7 LO O PROPOSED SOIL ABSORPTION CONSISTING OF 6 STORMTECH PROPOSED HOUSE, SEPTIC GARAGE, L_ ® , SYSTEM CONSISTING OF 77 ARC SC -310 LEACHING SYSTEM AND DRAINAGE 36 LEACHING CHAMBERS IN FIELD ` CHAMBERS �*� AREAS CONFIGURATION 6" INV=3.65 BTM OF CHAMBER=3.17 BTM OF STONE=2.67 5' OVERDIG AND ' I ,I t € bI I# i 'PROPOSED TRENCH KCL DRAIN RIM=6.15 Sf INV =3 80 I REMOVAL OF __. DRAINAGE -� ROOD VENTS UNSUITABLES SILT FENCE BASIN _.. INSPECTION 5.2 µ .. ._ _... S86 -31'10"W '""106.62' ^X X - - L07 40 7 'X [ OBS. v 1 PORT o 7.9 - BIT. PROPOSED 1 DRIVEWAYGARAGE LANEZZ SLAB ELEV 8 2 ' I _ 676± S.F. X . } TP 3 7.2 DR SIDE PORT �.- X € I j COUPLE 8.5 p i ) (TYP TP-, p W W CRAWL SPACE cq t'> SLAB ^o I> 5.3 z ,Il X fo I i j 'PROPOSED Air Q I 3/4" i WATER 30:`2 v ® e SERVICE av #152 rn .4 PROPOSED � X 11.5 I, � ! SIDE PORT 4 -BEDROOM DWELLING { COUPLER m FF=12.0 (TYP ) `° TOF=11.0 PROP I SLAB=8.0 pFCK ` 1,080± S.F. # 10'X16 p j �� ro N x � b xw Tp -2' 0 X 0 S85'39'107E r ►�tij�� 2,000 GALLON SEPTIC TANK LOT 3V ^ _._ _ MODULAR BLOCK RET. WALL SILT FENCE G c� _ T,O.W.=8.0 - 7.0 If, 500±SF. TO MATCH EX. GRADE GA TE WA y r MAG NAIL ._ ✓ �_ "-' '-- -.--- t > NAD -1988 .: (40' wide) i' ,00.0' U r I TO a. 28 U1 LOCUS IT, NANTUCKET SOUND LOCUS MAP NOT TO SCALE BRIAN G. YERGATIAN DATE PROFESSIONAL ENGINEER SEPTIC SYSTEM DESIGN 152 PAWKANNAWKUT DRIVE IN SOUTH YARMOUTH MASSACHUSETTS (BARNSTABLE COUNTY) SITE PLAN FEBRUARY 3, 2015 NO. DATE DESC. 1 2/11/15 PER HEALTH AGENT 2 2/13/15 BTM WALL ELEVATION 3 11/25/15 ROTATE HOUSE 4 1/26/16 21000 GALLON SEPTIC TANK Yarmouth Health Department APPR YED Name Date A G/i PREPARED FOR: JESSIES LANE LLC Mr. PAUL BUTLER 25 JEROME AVE, BLOOMFIELD, CT pkbutler2002@yahoo.com :Mz BSC GROUP 349 Route 28, Unit D W. Yarmouth, Massachusetts 02673 508 778 8919 © 2015 BSC Group, Inc. SCALE: I" = 10' 0 5 10 20 r¢r FILE: P:/pry/4588500/Civil/_Draw../4988500-SP.d; DWG. NO: 6288-04 JOB. NO: 4-9885.01 SHEET 1 OF 2