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HomeMy WebLinkAboutEngineer PlanDEEP OBSERVATION HOLE LOGS DESIGN CALCULATIONS: ASSESSORS MAP 70 \ PARCEL 85 DATE OF TESTS: APRIL 6, 2022 DESIGN FLOW: PERCOLATION RATE: OBSERVATION HOLE #3 PERCOLATION RATE < 2MINJINCH / 3 BEDROOMS (2 EXISTING AND 1 PROPOSED) AT 110 GAL. PER DAY PER BEDROOM = 330 GPD \ WITNESSED BY: BRYAN J. WEINER, CEC REQUIRED SEPTIC TANK CAPACITY: PHILIP RENAUD, HEALTH AGENT 330 x 200% = 660 GAL. REQUIRED CAPACITY. -- -_ - NO GROUNDWATER ENCOUNTERED USE 1�500 GAL. SEPTIC- TA_NK MIN. ALLOWED - REQUIRED LEACHING AREA: DEEP OBSERVATION HOLE 1. EL. = 30.7± DEPTH FROM SOIL SOIL SOIL COLOR SOIL SURFACE HORIZON TEXTURE (MUNSELL) MOTTLING OTHER 0" - 8" A SANDY LOAM 10 YR 3M WEAK, LOOSE 8" - 22" B SAND 10 YR 5/6 SINGLE GRAIN, LOOSE 22" -132" C COARSE SAND 2.5 Y 7/3 SINGLE GRAIN, LOOSE DEEP OBSERVATION HOLE 2. EL. = 30.7± DEPTH FROM SOIL SOIL SOIL COLOR SOIL SURFACE HORIZON TEXTURE (MUNSELL) MOTTLING OTHER 0" -10" A SANDY LOAM 10 YR 3/1 WEAK, LOOSE 10" - 22" B SAND 10 YR 5/6 SINGLE GRAIN, LOOSE 22" -132" C COARSE SAND 2.5 Y 7/3 SINGLE GRAIN, LOOSE DEEP OBSERVATION HOLE 3. EL. = 28.5± DEPTH FROM SOIL SOIL SOIL COLOR SOIL SURFACE HORIZON TEXTURE (MUNSELL) MOTTLING OTHER 0" - 31" A SANDY LOAM 10 YR 4/3 WEAK, LOOSE 31" - 43" B SAND 10 YR 5/6 SINGLE GRAIN, LOOSE 43" -132" C COARSE SAND 2.5 Y 6/4 SINGLE GRAIN, LOOSE NOTES: 1. GARBAGE GRINDERS ARE NOT ALLOWED WITH THIS DESIGN. 2. ALL WATER FIXTURES TO BE WATER TESTED BY CONTRACTOR TO VERIFY ALL SEWER EXIT LOCATIONS PRIOR TO INSTALLATION OF ANY SYSTEM COMPONENTS. 3. THE INSTALLER IS RESPONSIBLE FOR ASSURING THAT COMPONENTS OF THE SEWAGE DISPOSAL SYSTEM ARE DESIGNED WITH SUFFICIENT STRENGTH TO SUSTAIN ALL LOADS TO BE IMPOSED ON THEM. ANY COMPONENT OF THE SYSTEM SUBJECT TO VEHICULAR TRAFFIC SHALL COMPLY WITH A MINIMUM STANDARD OF A.A.S.H.T.O. H-20 WHEEL LOADS. 4. PRIOR TO SETTING ANY SEWAGE DISPOSAL SYSTEM COMPONENT, INSTALLER SHALL VERIFY EXISTING CONDITIONS, INCLUDING ELEVATIONS OF EXIT INVERTS, AND REPORT ANY DISCREPANCIES TO THE DESIGN ENGINEER. THE INSTALLER SHALL COORDINATE WITH THE PLUMBING SUBCONTRACTOR TO VERIFY THE COMPATIBILITY OF THE PROPOSED BUILDING SEWER EXIT ELEVATION WITH THE BUILDING'S EXISTING PLUMBING PRIOR TO CONSTRUCTION. ANY CONFLICTS SHALL BE REPORTED TO THE DESIGN ENGINEER. 5. ALL GRAVITY SEWER PIPE SHALL BE 4" DIA. SCH 40 PVC UNLESS OTHERWISE NOTED. THE MINIMUM SLOPE OF 4" DIA. SCH 40 PVC SHALL BE 0.01 FT/FT. 6. NO PART OF THIS DESIGN SHALL BE ALTERED WITHOUT PRIOR APPROVAL FROM THE DESIGN ENGINEER AND THE AGENT OF THE LOCAL BOARD OF HEALTH. ALL REQUESTS FOR CHANGES SHALL BE MADE IN WRITING PRIOR TO CONSTRUCTION. 7. THE USE OF ALTERNATE MANUFACTURERS FOR SYSTEM COMPONENTS SHALL NOT BE APPROVED IF THE USE OF THEIR EQUIPMENT REQUIRES CHANGES IN DESIGN. 8. THE INSTALLER SHALL ASCERTAIN THE LOCATION OF EXISTING UNDERGROUND UTILITIES PRIOR TO EXCAVATION, AND SHALL PROTECT UTILITIES WITHIN THE WORK AREA DURING CONSTRUCTION. 9. ALL SYSTEM COMPONENTS SHALL BE MARKED WITH MAGNETIC MARKING TAPE OR A COMPARABLE MEANS IN ORDER TO LOCATE THEM ONCE BURIED. IF APPLICABLE: 10. FILL MATERIAL FOR SYSTEMS CONSTRUCTED IN FILL SHALL BE CLEAN GRANULAR SAND, FREE OF ORGANIC MATTER AND OTHER DELETERIOUS MATERIALS. THE SAND SHALL BE GRADED SUCH THAT NOT MORE THAN 45% OF THE SAMPLE, BY WEIGHT, SHALL BE RETAINED ON THE #4 SIEVE. THE FILL SHALL NOT CONTAIN ANY MATERIAL LARGER THAN 2 INCHES. THE MATERIAL THAT PASSES THE #4 SIEVE SHALL MEET THE FOLLOWING GRADATION REQUIREMENTS: NOTE: ALL WATER FIXTURES TO BE WATER TESTED BY CONTRACTOR TO VERIFY ALL SEWER EXIT LOCATIONS PRIOR TO INSTALLATION OF ANY SYSTEM COMPONENTS. SOIL REMOVAL NOTE: REMOVE TOPSOIL AND UNSUITABLE MATERIAL WITHIN 5' OF LEACHING CHAMBER DOWN TO "C" HORIZON IN DOH #3 AND REPLACE WITH SAND FILL IN ACCORDANCE WITH NOTE #10. VIF NOTE: CONTRACTOR TO VERIFY IN FIELD THE EXISTING INVERT OUT OF THE BUILDING. NOTIFY ENGINEER OF ANY DISCREPANCIES PRIOR TO START OF CONSTRUCTION. SIEVE PERCENT SIZE PASSING #4 100% # 50 10%-100% # 100 0%-20% # 200 0%-5% - PERC. @ EL. = 23.4' A 29.51 x 9.83' EFF. WIDTH x 2' EFF. DEPTH LEACHING CHAMBER CAN LEACH: / <, Vt = (29.5 x 9.83 x.74) + [(29.65 + 12.83 + 29.65 x 6.83) x 2 x 0.74] = 331.5 GPD - Vt = 331.5 a 330 GPD REQ. REQUIRED RESERVE AREA: / w ASSESSORS MAP 70 AREA REQUIRED: 330 GPD / 0.74 = 446 S.F. 1 ,y I PARCEL 84 Locus oC�R� BASS RIVER RD. COASTAL z engineering co. 260 Cranberry Hwy. Orleans, MA 02653 - 508.255.65U P 508.255.6700 F z s� N O > 9GF 0 m z AREA PROVIDED: 438t S.F. + 142t S.F. = 580 S.F. Fo 580 S.F. > 446 S.F. REQ. INSTALL: 8� L Q ROUTE 28 ONE( 1) -1,500 GAL. SEPTIC TANK 2 YARMOUTH MA ONE (1) -DISTRIBUTION BOX - 5 OUTLET ` SEE ARCHITECTURAL PLANS TITLED w ONE ( 1) - 29.5'L x 9.83' EFF. WIDTH x 2' EFF. DEPTH LEACHING CHAMBER RFp "GAGNE RESIDENCE ADDITION & >- G,q L9CF x29.9 \L ` REMODELING' BY ENTASIS PC - JAY cn KEY MAP �Ig1yR9GF EI'/5,�/ �: \ C.WALTER AIA DATED 08-12-22 FOR NO SCALE S q N/� NG DETAILED DWELLING MODIFICATIONS �eoNGOR000 \ ` \. 0 A SSESSORS MAP 70 x 30.5 I REFERENCE. PARCEL 91 \ EXISTINGKHEAD O �s ASSESSORS MAP 70, PARCEL 92 O u- j J� x 29.3 1 L.C.P. 22604 > > SHED ! l� /, C \ / O ui CD LAwN ' DATUM: w 5./ EXISTING BRICK ,O II\ �ipG ! s2 STOOP TO REMOVED ELEVATIONS SHOWN HEREON ARE REFERENCED TO THE NORTH AMERICAN VERTICAL DATUM OF 1988 (NAVD 1988) DOH #2 / , - i UShFS I 2 9 2023 PROPOSED a ASSESSORS MAP 70 a� Is DRyT ?9, �'�cPARCEL 83 p,Pi RECONFIGURATIONO OF PAVED DRIVEWAY / _ _ ' PROPOSED 5' �12Spgcc,�,q�Fo SOIL REMOVAL I HEREBY CERTIFY THAT THE CONDITIONS 0, T4,c t�gc ` SHOWN HEREON ARE ON THE GROUND AS /� �' j R� x28.6 PROPOSED LEACHING CHAMBER i2i,� cAwN/ �o� 20' x3o.� F���q /� /� - \ OF FIELD SURVEY 05-03-21. �,> x �* /l i (12.83' x 29.65' x 6.83' x 29.65') N Ty Cv DOH #1 �' �'F w , AVEL �VE \ (TpeF Ao /�: Fz,3 syDz,o 4 � � ` DATE: SEPTEMBER 30, 2022 C? a i ® O p,9RT p �( 1 PROPOSED / Q [� 4YScR fi3O' - 1 \ Yarmouth Health Department / Ej RESERVE AREA 7 APPROX. LOCATION OF EXISTING WATERLINE I / � EDGEOFPAVEMENT o BASS RIVER R Oqp o I i 0 PLAN 10 5 0 10 30 RAISE COVERS COVERS TO BE PLACED 40 MIL VINYL WITHIN 3" OF FINISH LINER (5' HIGH) WITHIN 6" OF FINISH PRECAST CONCRETE GRADE (TYP.) 9"MIN GRADE (TYP.) RISERS (TYP.) RAISE COVERS WITHIN 6" FINISH GRADE 36" MAX OF FINISH GRADE (TYP.) FINISH GRADE = 28.0 - 26.3 =11 , I� KNOCKOUTS TO �,�.. ; ' l l-�=11 �_ I'' • • r .: • Q• BE GROUTED 9"MIN FLEXIBLE BUTYL WITH HYDRAULIC 36" MAX 3/a" TO 1/2' DOUBLE RUBBER SEALANT .''` �'` CEMENT WASHED STONE - - - - - inp) -- -- SPEED LEVELERS - a LIQUID LEVEL Q- - - i - ------ 2" LAYER OF �" --__ 25.25 0 10" - TO Yi' STONE/ N 26.4t DROP: 2" MIN. 14" 24.90 24.73 24.50 a EJA_ J, � , 7 a EXISTING 25.65 3" MAX. 25.40 �__� _� �_-� �_ O FABRIC TEXTILE a .;r ... EFFECTNE--, r-, r-� r-� N I- I I -_I DEPTH -- 2' g j ___� M MIN SLOPE FORA 4" 4'-0" LIQUID III III �� r 5' a, ':., PVC PIPE 0.01 FT/FT 1,500 GALLON SEPTIC DEPTH ROP: 2" MIN 3 (TYP.) TANK W/SANITARY GAS BAFFLE USE I_ _ -� (= - --� -� =� I I=I I 1=1 - 'TUF-TITE' OR LINES EXISTING D'BOX MUST 22.50 w a ':';:.; TEES APPROVED ~ z U ,' • REMAIN LEVEL FOR 2 FT. < EQUIVALENT (TYP.) BEFORE PITCHING DOWN TO VARIES 4'- 10' VARIES ;� r :': ; ';, " :• �:' =`.. :.::.: -? LEACHING FIELD 20.25 rn COMPACTED BASE VARIES SEE DETAIL o WITH 6" LAYER OF 1-1 11-1 1-1 11-1 1 11 1-1 1-1 1-1 11-1 11-1 1-1 1- SUBGRADE o CRUSHED STONE I I I-1 I I-1 I I-1 I I-1 I I-III-III-1 I I -III -III -III -III- (TYP.) Co (TYP.) OUTLET 1,500 GALLON SEPTIC TANK D-BOX 10, t24' t11' U 0 0 SCHEMATIC FLOW PROFILE U w ALL INSTALLATIONS MUST CONFORM TO THE Y MINIMUM REQUIREMENTS OF TITLE 5 0 N GROUNDWATER NOT ENCOUNTERED AT DEPTH OF= 11.0' (EL. = 17.5) LEACHING CHAMBER 1 inch = 10 ft. PROPOSED RESERVE AREA (t142 S.F.) PROPOSED DISTRIBUTION BOX (D'B-5) ONE (1) - 29' - 6" LENGTH x 9' -10" EFF. WIDTH x 2' - 0" EFF. DEPTH LEACHING CHAMBER CONSTRUCT BY PLACING THREE 8'-6" X 4'-10" X X-O" LEACHING CHAMBER UNITS END TO END. SEE DETAIL BELOW FOR STONE DIMENSIONS. (USE 500 GALLON LEACH CHAMBER UNITS AS MANUFACTURED BY SHOREY PRECAST OR EQUAL). i�i00 �lp �'�i�� • • . • �■ • • �• • • .off ■�= • NOT TO SCALE z SEAL DAVID J. U 10 CPINIEV`/IGZ r CIVIL " Y1 , / 38 PROPOSED 40 MIL VINYL LINER ASSESSORS MAP 70 PARCEL 93 ti p� ALL EXISTING SOIL SEWAGE / DISPOSAL SYSTEM COMPONENTS TO BE W------ w- PUMPED, REMOVED, AND T W %- W-------- v rO ' DISPOSED OF OFF -SITE IN f %!� / ^^ (�J-, ACCORDANCE TO TITLE 5 LEGEND 1..1.. � - AND LOCAL BOARD OF HEALTH REGULATIONS O s BOUND Z n/ 3 O IRON PIPE V LQL Q HYDRANT V 0 O BENCHMARK -TAG BO17HYDRANT wv EL.=23.45(SEEDAR NOTE) lxl WATER GATE Z �- �7 UTILITY POLE W m ELECTRIC METER O LIGHT POLE V © WOOD POST z -Ax- PICKET FENCE Q 3: SPLIT RAIL FENCE Q W �0 STOCKADE FENCE c - UNDERGROUND GAS SERVICE w J w - WATER SERVICE f- OHw- OVER HEAD WIRE Q w CO 111 - 20 --- CONTOUR U) x23.5 SPOT ELEV. SCALE 1" = 10' CONIFER TREE DRAWING FILE C19617-Civ.dwg DECIDUOUS TREE DATE AA 1 G. '1A.1 1 27 PROPOSED CONTOUR DRAWN BY DAVNVG M NOTE: CHECKED BY THE INFORMATION HEREON HAS BEEN PREPARED ACCORDING TO THE N BPM REQUIREMENTS OF TITLE 5 OF THE STATE ENVIRONMENTAL CODE FOR o SUBSURFACE DISPOSAL OF SANITARY SEWAGE AND LOCAL BOARD OF N HEALTH REGULATIONS. O v c INSPECTION NOTE THE STATE ENVIRONMENTAL CODE, TITLE 5, REQUIRES INSPECTION(S) C201 OF THE SEWAGE DISPOSAL SYSTEM BY THE DESIGN ENGINEER. INSTALLATION CONTRACTOR MUST NOTIFY THE DESIGN ENGINEER c PRIOR TO THE START OF INSTALLATION FOR DISCUSSION ON REQUIRED INSPECTIONS. W OF SHEETS oPROJECT NO. 0 C19617.00