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HomeMy WebLinkAboutEngineer Planz a Q cD fif T a M 0 N N 0 LO 0 0 0 -v v V) z a fr m z Of M a co 1 CV CV 0 N Sri N a� 0 U O O v a� 4- 0 CL a� N I a> c 0 i a� v U I M O F- a E c a SOIL TEST PIT DATA NOT TO SCALE TEST PIT TP-1 GRD. EL. 13.1 ON SI TE SOIL EVALUATION SHGW EL. 2.8 DATE: OCTOBER 12, 2022 TEST BY: BSC GROUP, INC. FILL WITNESSED BY: JAY GARDINER LICENSED SOIL EVALUATOR: TODD MccDONALD EL. 12.4 8" PERCOLATION RATE: < 2 MINS./INCH A SOIL CLASS: CLASS 1 10YR 5/1 L.T.A.R.: 0.74 GPD/S.F. LOAMY SAND EL. 11.6 18" 10YR 6/5 LEGEND LOAMY SAND EL. 10.1 36" UNSUITABLE MATERIALS C (TO BE REMOVED) 2.5Y 7/6 EL. 8.1 MED SAND 60" DOG PERCOLATION DOG TEST RANGE NO GROUNDWATER ESTIMATED OBSERVED 124„ SEASONAL HIGH EL. 2.8 - GROUNDWATER DESIGN CALCULATIONS DESIGN FLOW 4 BEDROOMS 110 GPD/BEDROOM = 440 GPD REQUIRED SEPTIC TANK 440 GPD X 200% = 880 GALLONS USE 1,500 GALLON SEPTIC TANK SIZE OF REQUIRED LEACHING FACILITY DESIGN PERC. RATE: <2 MIN/INCH LONG TERM APPL. RATE: 0.74 GPD/SF 440 GPD _ 0.74 GPD/SF = 595 SF SIZE OF LEACHING FACILITY PROVIDED USE (3) 500 GALLON H-20 CONCRETE LEACHING CHAMBER IN TRENCH CONFIGURATION WITH 4' STONE ON ENDS AND 3.58' STONE ON SIDES. BOTTOM AREA: 35.0' X 12.0' = 420 S.F. SIDEWALL AREA: 2 X (2 X (35.0' + 12.0')) = 188 S.F. EFFECTIVE LEACHING AREA = 608 S.F. 608 S.F. X 0.74 GPD/S.F. 449 (INSTALLED CAPACITY) 449 GPD > 440 GPD (9 G E CAPACITY PROVIDED) DISTRIBUTION BOX I NOT TO SCALE REMOVABLE 6" MAX. COVER -i CONC. RISER 5" ( 24" 4" WALLS r 11" O O (6) 5" DIA. 24" I KNOCKOUTS 13" TYP. STA MINIMUM " PLAN VIEW 3/4 TO 1-1/2 CRUSHED STONE SECTION VIEW NOTES: 1. PROVIDE INLET TEE OR BAFFLE WHERE SLOPE OF PIPE EXCEEDS 0.08 FT./FT OR IN PUMPED SYSTEM. 2. FIRST TWO FEET OF PIPE OUT OF DIST. BOX TO BE LAID LEVEL. 3. ALL PIPE CONNECTIONS AND CONCRETE CONSTRUCTION SHALL BE WATERTIGHT. 4. FILL ALL UNUSED KNOCKOUTS WITH MORTAR. 5. CONCRETE COVER SHALL BE RAISED TO WITHIN 6 INCHES OF FINISHED GRADE. 3-500 GALLON CONCRETE LEACHING CHAMBERS 35'X12' FIELD TOP CHAMBERS=10.80 I(IN)=9.80 BOT. CHAMBERS=7.80 -- DISTRIBUTION BOX I(IN)=10.23 I(OUT)=10.06 - CARRIE LANE W ASSESSORS MAP 51 in PARCEL 2 r- LO z ACTIVATED CARBON VENT FILTER PROPOSED 1,500 GALLON SEPTIC TANK I(IN)=10.66 I(OUT)=10.41 RESERVE AREA A=417t S.F. 500 GALLON UUN UN L IL LLAUN i iN U uri HM o r-m NOT TO SCALE 20" ACCESS COVER TO WITHIN 3 INCHES OF FINISH GRADE 5" DIA. KNOCKOUT (TYP.) 1-1/2" TAPER i® :' ✓ CONC. 12-36" COVER RISER ol� o0 000 00 00 � a c� 36" 24" EFFECTIVE O CEO OLD DOD �� CIC� DEPTH - 8'-6" -- 4'-10" 1 12'-0" FRONT VIEW SIDE VIEW NOTES: 1. ONE ACCESS COVER PER SYSTEM SHALL BE RAISED TO FINISH GRADE. 2. CHAMBERS SHALL BE 500 GALLON LEACHING DRYWELL, MANUFACTURED BY SHOREY OR APPROVED EQUAL. 3. GEOTEX11LE FABRIC MAY BE USED IN LIEU OF DOUBLE WASHED STONE. VARIANCES REQUESTED NONEOF YARMOUTH TO ALLOW THE TOP OF FOUNDATION TO BE 1' ABOVE THE ROAD IN LIEU OF 2'. A 1' VARIANCE IS REQUESTED. BENCHMARK: TP/MAG NAIL EL. 13.77 LOAM AND SEED ALL DISTURBED AREAS 2" LAYER OF 1/8" TO 1/2" DOUBLE WASHED STONE ABOVE CROWN OF PIPE 3/4" TO 1-1/2" DOUBLE WASHED STONE TO CROWN OF PIPE ACTIVATED CARBON VENT FILTER LOCUS INFORMATION NOT TO SCALE TO LEACHING CHAMBEI - Ise -i- T_ 0 3 � µx X_ X X X X r--- X x x nv l 1vv SYSTEM PROFILE NOT TO SCALE 4" SCH. 40 PVC L=9 FT. 6 PROPOSED BUILDING S=0.02 FOUNDATION T.O.F.=15.5 FIRST PIPE LENGTH TO BE SET LEVEL 4" SCH. 40 PVC FOR MIN. 2' L=22 FT. FINISH GRADE S=0.02 � EL=13.Of-13.2f 1.1, 1, 1/"-4" SCH; 40 PVC IT VENT SEPTIC TANK NOTE: MAGNETIC REFLECTIVE TAPE SHALL BE PROVIDED IN THE TRENCH OVER ALL PVC PIPING D-BOX (' 5.0' SEPARATION EL. 2.8 1 EST. HIGH GROUNDWATER LEACHING CHAMBERS CURRENT OWNER: FREDERIC E. & MARGOT D. CHURCHILL TITLE REFERENCE: DEED BOOK 28163, PAGE 26 PLAN REFERENCE: PLAN BOOK 106, PAGE 41 ASSESSORS MAP: 43 PARCEL: 20 ZONING DISTRICT: RS-40 SETBACKS: FRONT 30' SIDE 20' REAR 20' OVERLAY DISTRICT: NONE NITROGEN SENSITIVE ZONE: NOT A ZONE II FEMA FLOOD ZONE DISTRICT: "X OTHER", DATED 7/16/14 PANEL #25001CO587J MINIMUM LOT SIZE: 40,000 S.F. EXISTING LOT SIZE: 11,238f S.F. EXISTING BUILDING COVERAGE: 200/11,238=2% PROPOSED BUILDING COVERAGE: (INCLUDING POOL) 2,329/11,238=21 % RECEIVE ame Date OCT 2 7 2022 X1 ,2' HEALTH DEPT GENERAL NOTES 1. THIS PLAN IS INTENDED FOR THE PERMITTING AND CONSTRUCTION OF THE SEWAGE DISPOSAL FACILITIES, DWELLING LOCATION AND THE 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 ALI_ 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 DELETERIOUS 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 o; 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 SIEVE 0-20% MUST PASS #100 SIEVE 0-5% MUST PASS #200 SIEVE 6. EXISTING 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. 8. CONTRACTOR IS REQUIRED TO NOTIFY DIG -SAFE, PER MASS. STATUTE CHAPTER 82, SECTION 40 (1-888-344-7233) A MINIMUM OF 72 HOURS PRIOR TO THE START OF CONSTRUCTION. X14, 9.:G 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). NOT TO SCALE NOTES : 1. SEPTIC TANK SHALL BE STEEL REINFORCED CONCRETE. 2. SEPTIC TANK SHALL BE CAPABLE OF WITHSTANDING H-20 LOADING. 3. ALL PIPE CONNECTIONS AND CONCRETE CONSTRUCTION SHALL BE WATERTIGHT. 4. TEES SHALL BE SCH. 40 PVC AND SHALL BE LOCATED WITHIN 12" OF TANK WALL AND ACCESSIBLE FROM TANK COVER. 5. FILL ALL UNUSED KNOCKOUTS WITH HYDRAULIC CEMENT. 1- 11'-0" 1 MIN. 20" DIA. COVER, TYP. RAiSE (2) TO in1 ri!N o" OF FINISHED GRADE USING SEWER BRICK AND MORTAR AS NECESSARY 6" MINIMUM PLAN VIEW /4" TO 1-1/2" CROSS-SECTION VIEW RUSHED STONE 6" V-0" oMprN ST 28 �0 O OHO 0 LOCUS gP� N CO 4' LOCUS MAP NOT TO SCALE BASS RIVER S 1aR1+��Br YERiW 10/25/22 BRIAN G. YERGATIAN DATE PROFESSIONAL ENGINEER SEPTIC SYSTEM DESIGN 43 CARRI E LANE IN SOUTH YARMOUTH MASSACHUSETTS (BARNSTABLE COUNTY) SITE PLAN OCTOBER 25, 2022 NO. DATE DESC. PREPARED FOR: FREDERIC & MARGOT CHURCHILL 243 PLEASANT STREET SOUTH YARMOUTH, MA 02664 ericchurchill@me.com - - 21, B S C GwOU P 349 Route 28, Unit D W. Yarmouth, Massachusetts 02673 508 778 8919 © 2022 BSC Group, Inc. SCALE: 1 " = 10' 0 5 10 20 FEE-r FILE: P:\prj\C\D\4939003-SP.DWG DWG. NO: 5932-06 SHEET 1 OF 1 JOB. NO: 4-9390.03