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Request for DeterminationCONSTRUCTION NOTE-5 1. THE CONTRACTOR SHALL MAKE APPLICATIONS FOR AND PAY ALL FEES FOR PERMITS REQUIRED TO CONSTRUCT THIS PROJECT. 2. THE CONTRACTOR SHALL BE RESPONSIBLE FOR ALL SITE PREPARATION NECESSARY FOR THE COMPLETE INSTALLATION OF THE PROJECT FACILITIES DURING CONSTRUCTION. 3. ALL CONSTRUCTION METHODS, MATERIALS, AND COMPONENTS ASSOCIATED WITH THE PROPOSED SUBSURFACE SEWAGE DISPOSAL SYSTEM SHALL BE IN CONFORMANCE WITH THE APPROVED PLANS, THE REQUIREMENTS OF 310 CMR 15-TITLE 5 OF THE STATE ENVIRONMENTAL CODE, AND ALL LOCAL BOARD OF HEALTH REGULATIONS UNLESS A WAIVER HAS BEEN GRANTED. 4. ALL CHANGES TO THE PLAN MUST BE APPROVED BY CULLINAN ENGINEERING CO., INC., AND THE LOCAL BOARD OF HEALTH. 5. ALL SYSTEM COMPONENTS, EXCEPT PERFORATED PIPING, SHALL BE WATERTIGHT AS REQUIRED BY 310 CMR 15.221. 6. THE LOCATION OF UNDERGROUND UTILITIES AND STRUCTURES ARE APPROXIMATE ONLY. THE ENGINEER DOES NOT GUARANTEE THEIR ACCURACY OR THAT ALL UTILITIES AND SUBSURFACE STRUCTURES ARE SHOWN. THE CONTRACTOR SHALL VERIFY SIZE, LOCATION AND INVERT ELEVATIONS OF THE UTILITIES AND STRUCTURES, AS REQUIRED PRIOR TO THE START OF CONSTRUCTION. ANY DISCREPANCIES WITH RECORD DATA SHALL BE REPORTED TO THE ENGINEER IMMEDIATELY. THE CONTRACTOR IS CAUTIONED TO CONTACT DIG SAFE (1-888-344-7233) 72 HOURS BEFORE DIGGING. 7. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO COORDINATE HIS WORK WITH THE APPROPRIATE HIGHWAY & UTILITY DEPARTMENTS. 8. CONTRACTOR SHALL MAINTAIN ALL EXISTING AND NEWLY INSTALLED UTILITIES IN GOOD WORKING ORDER AND SHALL PROTECT THEM FROM DAMAGE AT ALL TIMES UNTIL THE WORK IS COMPLETED AND ACCEPTED BY THE OWNER. 9. ELECTRIC, GAS, TELEPHONE, AND CABLE TELEVISION UTILITY CONNECTIONS AND SERVICES SHALL BE INSTALLED IN ACCORDANCE WITH THE REQUIREMENTS OF THE RESPECTIVE UTIUTY. 10. THE CONTRACTOR SHALL UTILIZE ALL MEASURES AND MATERIALS NECESSARY TO ENSURE THE SAFETY OF ALL PERSONS AND PROPERTIES AT THE SITE DURING CONSTRUCTION. ALL EXCAVATIONS SHALL CONFORM TO CURRENT OSHA STANDARDS. 11. A MINIMUM OF 18" VERTICAL CLEARANCE SHALL BE MAINTAINED WHENEVER SANITARY SEWERS PASS BELOW WATER MAINS OR DRAIN LINES. OTHERWISE, WATER SERVICE, DRAIN LINES AND SEWER LINES SHALL BE CAREFULLY ENCASED IN CONCRETE FOR A MINIMUM OF TEN (10) FEET FROM THE CROSSING POINT. WHERE SEWER LINES PASS ABOVE WATER OR DRAIN LINES, THEY SHALL ALL BE ENCASED IN CONCRETE REGARDLESS OF CLEARANCE. CONSTRUCTION INSPECT/ON SCHEDULE 1. TO OBTAIN A CERTIFICATE OF COMPLIANCE FROM THE BOARD OF HEALTH THE FOLLOWING INSPECTIONS BY THE ENGINEER AND THE LOCAL BOARD OF HEALTH MUST BE MADE ALONG WITH THE COMPLETION OF AN AS -BUILT PLAN: A. EXCAVATION OF UNSUITABLE MATERIAL B. PLACEMENT OF CLEAN SAND BACKFILL C. INSTALLATION OF ALL SYSTEM COMPONENTS. ALL COMPONENTS MUST BE INSTALLED AND EXPOSED FOR INSPECTION AND PREPARATION OF AN AS -BUILT PLAN. CONCRETE S TRUC TURES 1. ALL SEPTIC TANKS, GREASE TRAPS, DOSING CHAMBERS, AND DISTRIBUTION BOXES SHALL BE SET LEVEL AND TRUE TO GRADE ON A LEVEL STABLE BASE WHICH HAS BEEN MECHANICALLY COMPACTED. IF THE COMPONENT IS PLACED IN FILL, PROPER COMPACTION IS REQUIRED TO ENSURE STABILITY AND TO PREVENT SETTLING. A 6-INCH STONE BASE IS ADEQUATE IF THE COMPONENT IS PLACED ON NATIVE GROUND. 2. ALL CONCRETE STRUCTURES ARE TO EMBOSSED WITH A SEAL STATING THAT THEY MEET ASTM STANDARD C 1227-93. ANY CONCRETE FTRUCTURES PLACED WITHOUT THIS SEAL WILL BE REJECTED. 3. THE BACKFILL AROUND EACH CONCRETE STRUCTURE SHALL CONSIST OF SAND, GRAVEL OR SELECT FILL FREE OF ORGANIC DEBRIS, FROZEN EARTH AND STONES OR COBBLES OVER 3 INCHES IN SIZE. ALL BACKFILL SHALL BE PROPERLY COMPACTED TO PREVENT SETTLEMENT AND THE CREATION OF VOIDS. 4. PRE CAST CONCRETE RISERS TO BE INSTALLED WITH A RUBBER GASKET AND CONCRETE GROUT TO ENSURE WATERTIGHT SEAL. DESIGN CAL COLA TIONS BEGULATIONS USED STATE: 310 CMR 15.00 - TITLE 5 (1995) LOCAL: TOWN OF DARTMOUTH BOARD OF HEALTH TYPE OF ESTABLISHMENT: 5 BEDROOM RESIDENCE ESTIMATED HYDRAULIC LOADING # OF BEDROOMS = 5 5 BEDROOMS x 110 GPD/BDRM = 550 GPD SEPTIC TANK 200% x DESIGN FLOW = 550 X 2 = 1100 GPD SEPTIC TANK TO BE SINGLE COMPARTMENT MINIMUM EFFECTIVE LIQUID CAPACITY, 1.500 GAL., AS SHOWN. SIZE OF LEACHINGFACILITY PERCOLATION RATE 5 5 M.P.I. FROM TP-1 MATERIAL DESIGN CLASS = 1 LONG TERM ACCEPTANCE RATE (LTAR) = 0.74 GPD/S.F. REQUIRED LEACHING AREA=550 GPD/0.74 GPD/S.F=744 S.F. LEACHING TRENCH DESIGN (SEE DETAILS) # LINES = 3 EFFECTIVE LENGTH = 42 FEET EFFECTIVE WIDTH = 2 FEET EFFECTIVE DEPTH = 2 FEET TOTAL AREA PROVIDED = 252 S.F. X 3 = 756 S.F. TOTAL AREA REQUIRED = 744 S.F. NOTE: SYSTEM NOT DESIGNED FOR USE WITH GARBAGE GRINDER LEGEND \,, LANDSCAPED AREA 332 SPOT ELEVATION coo STONE RETAINING WALL WATER GATE WF WETLAND FLAG r_Y_Y_1 TREE LINE W UNDERGROUND WATER ---cam- PROPOSED CONTOUR (FILENAME: 2033007SEP. -�- PROVIDE 2-24"0 PRE CAST CONCRETE MANHOLE EXTENSION RISERS WITH C.I. COVER WITHIN 6" OF TOP OF FOUNDATION FINISH GRADE, BRICK TO BE USED ELEV.= 34.20 FOR GRADE ADJUSTMENTS RISERS TO BE SET IN • = FULL BED OF MORTAR ELEV.=31.95 / .r BLDG. INV. % 9" (min.) ELEV.= 29.18 .. •, 4 • S=0.02 L=10.5' " 40 SOLID PVC INV. ELEV.= 28.97 TOP OF SLAB 4" SCH 40 PVC OUTLET 6" ELEV= 31.50 = 30.05 3" min. 15.5' 9" " S = 0.01 L=15.5' 10" 14" I 4'-0" LIQUID LEVEL INV. ELEV.= 28.72 FINISH GRADE TO SLOPE MINIMUM 2% OVER SYSTEM, SEE SITE PLAN ELEV.=Q ELEV.=29.86 MIN ELEV.= 31.65 MAX. 6" (MAX. DISTRIBUTION BOX OUTLETS 12" MIN. f0 REMAIN LEVEL FOR BREAKOUT 36" MAX. "IRST TWO (2) FEET. ELEV.= 28.86 A n S = 0.005' :. . Y 4 SCH 40 SOLID PVC PIPE 4 SCI PERFORATED PVC PIPE e Ph .-r,.,c.r - r. r,. v,•. w�. art .-.rvr. w-•.-•r..-.•INV. ELEV.=28.36 STONE BASE SEPTIC TANK L GAS BAFFLE DISIRMUTION BO 40 3" TO 0-BOX f 3" SANITARY TEES o\"- / 6'-0" 5'-6" I je� a 4" SCH 40 Lj 10'-0" PVC INLET TO SEPTIC TANK 10'-6" PLAN VIEW PRE -CAST CONCRETE SEPTIC TANK NOT TO SCALE NOTES: 1. SEPTIC TANK TO BE 1500 GALLON MINIMUM EFFECTIVE LIQUID CAPACITY, MODEL NUMBER TK 1500 AS MANUFACTURED BY J&R PRE -CAST OR APPROVED EQUAL CAPABLE OF WITHSTANDING AN AASHTO H-10 LOADING. 2. THE SEPTIC TANK SHALL BE FURNISHED WITH THREE (3) ACCESS MANHOLES SITUATED OVER THE INLET TEE, OUTLET TEE, AND CENTER, RESPECTIVELY. APPROXIMATE LOCATION OF EXISTING SEPTIC SYSTEM TO BE ABANDONED PER TITLE 5 AND LOCAL BOARD OF HEALTH REQUIREMENTS 94't� i T >l/ SEPTIC SYSTEM PROFILE NOT TO SCALE BREAKOUT ELEVATION= 28.86 15' (MIN.) TYP. ALL SIDES--" 1/8" TO 1/2" DOUBLE WASHED STONE (TYP.) (310 CMR 15.247 (3)) 4" DIA. SCH-40 PVC :tu PERFORATED PIPE (TYP) 3/4" TO 1-1/2" DOUBLE WASHED - LOAM AND SEED 1' (MIN.) 13' (MAX.) IN -SITU STONE (TYP.) (310 CMR 15.247(2)) 2'-0" 6'-0" 2'-0" W-0" : fii PROPOSED FINISHED GRADE TO SLOPE 2% MIN. 2" (MIN.) 4" 24" 18'-0" SECTION A- A 5' (MIN.) NOT TO SCALE - v 67't EXISTING GARAGE ASSESSORS MAP 28 / LOT 67 N/F JOHN & SANDRA COUTO 3' \-END SCREEN 4" PVC SYSTEM VENT -TOP ELEV.= 28.65 CONNECT PIPE PIPE ENDS INV. ELEV.= 28.15 -BOTTOM ELEV.= 26.15 A 5' MIN. DESIGN GROUNDWATER ELEV.=14.3t - FROM TP-1 * DESIGN GROUNDWATER ELEVATION WAS DETERMINED BY SUBTRACTING 204" FROM THE EXISTING GROUND ELEVATION AT TP-1. INLET FROM SEPTIC TANK TO BE EQUIPPED WITH TEE OR BAFFLE P') : 4 (- r- 4"0 SCH 40 PVC 4" SCH 40 PVC INLET FROM OUTLET PIPE TO SEPTIC TANK LEACHING FIELD PLAN VIEW (�•) DISTRIBUTION BOX NOT TO SCALE NOTES: 1. DISTRIBUTION BOX TO BE MODEL NUMBER B-6DB AS MANUFACTURED BY J&R PRE -CAST OR APPROVED EQUAL CAPABLE OF WITHSTANDING AN AASHTO H-10 LOADING. 2. ALL OUTLETS ARE TO BE FITTED WITH SPEED LEVELERS AS MANUFACTURED BY TUF-TITE, INC. OR APPROVED EQUAL TO ADJUST OUTLET FLOW AS DESIRED. ,N BIT. CONC. DRIVEWAY ,� \ .31. 6 J M Ln \ S 32.3 30.5 3' 6 W 3 . x FEN \ 1 WATER ELECTRIC \ / 12 METER METER 12" \1 OAK EXISTING DWELLING SPRUCE psk LA 29.4 0 8 "321 (A 8" PINE � PRO SED � 0.50 CONCRETE A1,500 AL / v P C TANK O O- O 31.9 PAD/DECK 16.5 31.50 PR o D �'�. WET ND BUFFE / / DIS IB QN � 80 ,�� 100/ , / A m -o 7 GREEI' 33.2 / 26.2 \ HOUSEx OF=33.6' EXISITING_btD STONE WELL / / • // / \ \ •� TO BE ABANDO- EEL AND \ I I 1 97' \ \\ \ FILLED TO GRADE WIITH, / \\ i \\ \� ,� CLEAN SAND ��'all \ i / • � � / STOt � I oo,WELL BENCH MARK \ \\ \ e.• SPIKE SET IN 16" OAK TREE � / I F�'�9\\ \�\ \\\� �` ELEV.-32.78' (NGVD 1929) WF-3 23.0 .s /48 \�Ol'�` \\\moo`\\ •y�`'� � T � ,� WE Np BUFF�z � / ��F.P BENCH MARK PINE \\'�S PROPOSED /2' X 42"32- _ _50 SPIKE SET IN 48" PINE LEACHINN TRENCH / �- �309 • , / 1 ELEV.-30.3T (NGVD 1929) 29� PRG SE,D,� T sy �� rn LOCUS J �P DES CORNER RDQ QPP DARTMOUTH I SITE LOCUS NOT TO SCALE I GENERAL NO TES: 1. THE LOCUS AREA IS SHOWN ON THE TOWN OF DARTMOUTH ASSESSORS MAP 28 AS LOT 68. 2. WETLAND RESOURCE AREAS SHOWN HEREON WERE DELINEATED AND APPROVED BY THE TOWN OF DARTMOUTH CONSERVATION COMMISSION THROUGH A-1 SITE INSPECTION FORM DATED MARCH 10, 2003. 3. ELEVATIONS ARE REFERENCED TO N.G.V.D. OF 1929 USING ELEVATION REFERENCE MARK RM 25 (EL. 41.19) AS SHOWN ON THE TOWN OF DARTMOUTH FIRM, COMMUNITY -PANEL NUMBER 250051 0021 D. 4. THE SITE IS NOT LOCATED IN ANY OF THE AQUIFER ZONES AS SHOWN IN THE TOWN OF DARTMOUTH ZONING MAP AQUIFER PROTECTION DISTRICTS DATED MARCH 23, 1999. 5. THE SITE IS PARTIALLY LOCATED' WITHIN 100-YEAR FLOOD ZONE A (BASE FLOOD ELEVATIONS AND FLOOD HAZARD FACTORS NOT DETERMINED) AS SHOWN ON THE TOWN OF DARTMOUTH FIRM, COMMUNITY -PANEL NUMBER 250051 0021 D. 6. EXISTING UTILITY LINES SHOWN ON THIS DRAWING ARE FROM AVAILABLE INFORMATION AND ARE APPROXIMATE LOCATIONS. THERE MAY BE EXISTING LINES OTHER THAN THOSE INDICATED. CULLINAN ENGINEERING CO., INC. ASSUMES NO RESPONSIBILITY FOR DAMAGES INCURRED AS A RESULT OF UTILITIES OMITTED OR INACCURATELY SHOWN. BEFORE PLANNING FUTURE CONNECTIONS, THE PROPER PUBLIC UTILITY ENGINEERING DEPARTMENT SHOULD BE CONSULTED. 7. ALL KNOWN WELL LOCATIONS WITHIN 100-FEET OF THE PROPOSED LEACHING AREA ARE SHOWN. LOCAL UPGRADE APPROVALS/VAR/ANCES 1• DARTMOUTH BOARD OF HEALTH REGULATIONS SEC11ON 15.211: MINIMUM SETBACK DISTANCES. A. REQUEST THE BOARD WAIVE THE REQUIRED 100-FOOT SETBACK TO WETLANDS AND ALLOW A SETBACK OF APPROXIMATELY 75-FEET. THE PROPOSED SYSTEM IS A REPAIR WITH LIMITED AREA AVAILABLE FOR PLACEMENT. B. REQUEST THE BOARD WAIVE THE REQUIRED 50-FOOT SETBACK FROM IRRIGATION AND NON -POTABLE WELLS. THE APPLICANT WOULD LIKE TO MAINTAIN AN EXISTING STONE WELL FOR IRRIGATION PURPOSES. THE EXISTING STONE WELL IS LOCATED APPROXIMATELY 10-FEET FROM THE PROPOSED LEACHING FACILITY. REVISION 1 : 6/18/03 , EXISTING OLD STONE WELL TO BE ABANDONED FOLLOWING BOARD OF HEALTH COMMENTS. BOARD OF HEALTH STAMPS BOARD OF HEALTH STAMPS 40.80 8" PINE N �16 OAK ,� �2T / / _--30 , LIMIT OF WF-/° - - BORDERING / \ P.E. STAMP ?6 _ -29 . . - _- r � � � � WETLANDS � - - - - - - - -2� SUBSURFACE SEWAGE DISPOSAL SYSTEM \ ✓ - _ -28 PPQPDSE=D H C1= .� ,- �% 20 / -27- & SyT_FEWCE �; ; ; % --,� 9$ , SOIL TEST -PIT INFORMATION ° avm OWNER: LOUISE SHWARTZ %• \ \ 75 t --25-��SN'�� �- ' �6j� DEEP OBSERVATION HOLE: TP-1 r' DATE: 5/1 /03�Knloy cra -24` •,•� -�' �� � � -�'• �'l � � �' �' WF-5 � DEPTH OTHER (STRUCTURE, 1ft41737 22_ ASSESSORS MAP & LOT: MAP 22, LOT 68 i j % f // FROM SOIL SOIL TEXTURE SOIL COLOR SOIL _ - � � STONES, BOULDERS, SURFACE ELEVATION HORIZON (USDA) (MUNSELL) MOTTLING CONSISTENCY, �O 9R61g•7ER�� x167 _ 22� ! �' �-_�i / (INCHES) x GRAVEL) �� STREET LOCATION: ROCK 0, DUNDEE ROAD ZONE /_ wF-s -� oFv .' 0-10 31.30 A SANDY LOAM IOYR3/2 NONE FRIABLE / CULLINAN DES. BY: RPBT SCALE: 1 =20, Q 10-26 30.45 B LOAMY SAND 10YR5/6 NONE FRIABLE P.L.S. STAMP ENGINEERING DWN. BY: LMG 16� AUBURN • NOATON - LAKIVILLN , YA*SAONUGETT• I IL N IN N YNYETINTRANSPORTATION NE&IFF C) Q 26-120 29.10 Cl MEDIUM SAND 2.5Y6/3 NONE LOOSE, 5% GRAVEL 2W Aueue+ sr. AIARM. VA. MW soa 5811 FAX soe/esx-s7N CHK. BY: DCM SHEET 1 OF 1 •oo cow�a+.eAun Ave. eosto" wA o is en/s�o--. vAx en/sae eoas to avvesoc ornve. rw amx� soe/st+b-aeti FAX soe/we-assa CONCRETE �" /i S RETAINING WALL _ / EXISTING GRADE: EL. 31.3 DEPTH TO BEDROCK: NAL ` DATE: MAY 9, 2003 PROJECT N0. 2033007 WITH CHAIN LINK FENCE- � � � v 20 0 10 20 40 STANDING WATER IN THE HOLE: N/E WEEPING FROM PIT FACE: N/E / ESTIMATED SEASONAL HIGH GROUNDWATER: WATER IN WELL ® 18f' DOWN ELEVATION: 14.3f' CONTACT PERSON: DAN MULLOY DEPTH OF PERC: 30" - ELV.=28.8' PERC RATE: S 2MIN/INCH SCALE: 1 INCH = 20 FEET BOARD OF HEALTH REPRESENTATIVE: CHRIS MICHAUD, DARTMOUTH B.O.H. ADDRESS: 10 RIVERSIDE DRIVE, LAKEVILLE, MA. CERTIFIED SOIL EVALUATOR: DANIEL C. MULLOY - CULLINAN ENG. CO. INC. TEE' (508) 946-9911