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HomeMy WebLinkAboutEngineer PlanGENERAL NOTES 1. ELEVATION, PROPERTY LINE AND EXISTING CONDITIONS ON THIS PLAN ARE BASED ON A SURVEY CONDUCTED BY STRONG TREE ENGINEERING. 2. UNLESS OTHERWISE NOTED, ALL SYSTEM COMPONENTS AND CONSTRUCTION METHODS SHALL BE IN ACCORDANCE WITH THE STATE ENVIRONMENTAL CODE AND THE RULES AND REGULATIONS OF THE LOCAL BOARD OF HEALTH. 3. THIS PLAN IS INTENDED TO ADEQUATELY PROVIDE THE INFORMATION NECESSARY TO LAYOUT AND CONSTRUCT THE PROPOSED SEWAGE DISPOSAL SYSTEM REPRESENTED ON IT. ANY CHANGES TO THIS PLAN MUST BE APPROVED BY THE ENGINEER AND/OR THE LOCAL BOARD OF HEALTH (BOH) STAFF. THE CONTRACTOR SHALL REPORT ANY DISCREPANCIES FOUND IN SITE CONDITIONS FROM THOSE SHOWN ON THE PLAN TO THE DESIGN ENGINEER. 4. TRENCH SAFETY SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR INCLUDING ANY LOCAL AND/OR STATE PERMITS REQUIRED FOR THE TRENCH WORK. 5. CONTRACTOR TO PUMP SEPTIC TANK/STRUCTURES. FAILING TO PROPERLY INSPECT OR PUMP THE SEPTIC TANKS AND TREATMENT SYSTEM OR CHANGES TO EFFLUENT FLOW, GRADING, OR LANDSCAPING, EITHER ON -SITE OR ADJACENT TO THE SITE, MAY RESULT IN IMPROPER FUNCTIONING OF THE SEPTIC AND LEACHING SYSTEM(S). 6. CALL "DIGSAFE" AT LEAST 72 HOURS PRIOR TO COMMENCING CONSTRUCTION AT 1-888-DIG-SAFE AND ANY OTHER APPLICABLE AGENCIES TO FIELD VERIFY LOCATIONS OF EXISTING UTILITIES. 7. THE OWNER SHALL INSPECT AND PUMP THE SEPTIC TANK ONCE EVERY 2 YEARS. PERPETUAL MAINTENANCE IS REQUIRED. 8. THIS ON -SITE WASTEWATER TREATMENT SYSTEM IS NOT DESIGNED FOR USE WITH A GARBAGE GRINDER. 9. PROVIDE WATERTIGHT SEALS BY USE OF NON -SHRINK GROUT AT ALL POINTS WHERE PIPES ENTER OR LEAVE ANY CONCRETE STRUCTURES. 10. USE SCHEDULE 40 PVC PIPING WITH WATERTIGHT JOINTS UNLESS OTHERWISE NOTED ON PLAN. ALL PIPE SHALL BE PLACED ON A COMPACTED FIRM BASE. 11. THE CONTRACTOR SHALL RESTORE ALL SURFACES EQUAL TO THEIR ORIGINAL CONDITION AFTER CONSTRUCTION IS COMPLETE. AREAS NOT DISTURBED BY CONSTRUCTION SHALL BE LEFT NATURAL. THE CONTRACTOR SHALL TAKE CARE TO PREVENT DAMAGE TO SHRUBS, TREES, OTHER LANDSCAPING AND/OR NATURAL FEATURES. WHEREAS THE PLANS DO NOT SHOW ALL LANDSCAPE FEATURES, EXISTING CONDITIONS MUST BE VERIFIED BY THE CONTRACTOR IN ADVANCE OF THE WORK. 12. EXISTING SEPTIC SYSTEM TO BE REMOVED OR BACKFILLED AND ABANDONED PER TITLE 5 REQUIREMENTS.TITLE 5,310 CMR 15.354(3). 13. AREAS UNDER THE LEACHING FIELD FOUND TO HAVE UNSUITABLE SOIL MUST BE REPLACED WITH TITLE 5 SAND AS SPECIFIED IN 310 CMR 15.255(3). ANY AREAS THAT ARE FOUND TO HAVE UNSUITABLE MATERIAL SHALL BE REPORTED TO THE ENGINEER. 14. PRIOR TO CONSTRUCTION THE CONTRACTOR SHALL COORDINATE WITH THE HOMEOWNER AND ENGINEER ON THE CONSTRUCTION SITE ACCESS AND MATERIAL STOCK PILE AREAS. 15. INSTALL METALLIC DECTABLE WARNING TAPE 6-9-INCHES ABOVE THE SEWER PIPE AND SEPTIC STRUCTURES. SOIL TEST PIT DATA PERFORMED BY: JUSTIN LAMOUREUX, P.E., SOIL EVALUATOR, WITNESSED BY: JAY GARDINER (YARMOUTH HEALTH DEPARTMENT) DATE: DECEMBER 7, 2022 "I certify that I have passed the examination approved by the Department of Environmental Protection and that the above analysis has been performed by me consistent with the required training, expertise, and experience described in 310 CMR 15.018(2). " SURFACE TP-1 ELEV. SURFACE TP-2 ELEV. INCHES FEET INCHES FEET off 11.0 0 " 10.8 SANDY LOAM SANDY LOAM Q a A l OYR 4/ 1 A 1 OYR 4/ 1 Q O 13" 9.9 15" 9.6 �4 U O Q LOAMY SAND LOAMY SAND B B rwam 10YR 4/6 1 OYR 4/6 c� 3411 8.2 3211 8.1 PERC. @ 43": 2 MIN/INCH MEDIUM -SAND MEDIUM -SAND C1 C1 10 YR 5/8 10 YR 5/8 102 " 2.5 1081, 11.8 MOTTLING NA INCHES MOTTLING NA INCHES PERC RATE: 2 MIN/INCH PERC RATE: 2 MIN/INCH ONSTTE TEST NOTES: INSTALL FIRST 2 FEET OF OUTLET PIPES LEVEL (NO SLOPE). ONE OUTLET FOR EACH DISTRIBUTION LINE. OUTLETS NOT USED SHALL BE CAPPED PIPE PENETRATIONS: ALL CONNECTIONS TO HAVE WATER TIGHT HYDRAULIC CEMENT SEAL 4" SCH 40 PVC FROM SEPTIC TANK WATER TIGHT COVER: SET CONCRETE ACCESS HATCH OR MANHOLE COVER 6" BELOW GRADE 0" 1V fN. SUMP 4" SCH 40 PVC TO SEPTIC FIELD DISTRIBUTION BOX DETAIL H-10 LOADING i NOT TO SCALE SEPTIC SYSTEM TITLE 5 DESIGN USE - SINGLE FAMILY DWELLING NUMBER OF BEDROOMS EXISTING 3 4 NUMBER OF BEDROOMS PROPOSED TITLE 5 FLOW PER BEDROOM 110 GPM TOTAL DAILY FLOW 330 GPM SEPTIC TANK 200% OF TOTAL DAILYFLOW 660 EXISTING 1,000 GALLON TANKTO REMAIN SOIL ABSORPTION SYSTEM LEACHING SYSTEM USED GALLERY TRENCH SOIL CLASS I SAND FIELD PERCOLATION RATE 2 MIN./IN. LONG TERM ACCEPTANCE RATE LTAR 0.74 GPD/S.F. TOTAL AREA REQUIRED -TITLE 51 446 S.F. TOTAL AREA PROPOSED PROPOSED OVERALL LENGTH 30.5 FT PROPOSED OVERALL WIDTH 9.8 FT BOTTOM CAPACITY LENGTH x WIDTH 299 S-F. SIDEWALL LENGTH: LENGTH + WIDTH x2 81 FT SIDEWALL DEPTH 2 FT SIDEWALL AREA: TOTAL LENGTH x DEPTH 161 S.F. NUMBER OF TRENCHES 1 SIDEWALL CAPACITY: AREA x TRENCHES 161 S.F. TOTAL CAPACITY 460 1 S.F. TOTAL ALLOWABLE FLOW AGPD USE 3-500 GALLON LEACHING CHAMBERS W/ 2.5' STON BE FINISH GRADE OVER CHAMBERS 3/4" TO 1-1/2" DOUBLE WASHED STONE TO CROWN OF PIPE 4" SCHEDULE 40 PVC SLOPE @ 2% MIN. OVER SYSTEM 2" OF 1/8" TO 1/2" DOUBLE WASHED MIN SLOPE 1 % STONE OR NON -WOVEN FILTER FABRIC SEE SITE PLAN FOR PLACE RISERS ON ALL CHAMBERS WITH PIPED INLETS SURFACE TREATMENT (FIRST ROW) TO WITHIN 6" OF FINISHED GRADE \// /� f/ 9" MIN. TOP OF SAS BACOR TITLE 5 ILL WITH IF ECESSTARY `� INLET 36 MAX. BREAKOUT EL =SEE SCHEDULE j ( SIDEWALL f, BELOW INVERT 2.5' 8.0' (TYP) 2.5' 2.5' 483' (58") 2.5' SEE SITE PLAN FOR TOTAL LENGTH (100' MAX) .(TY) BOTTOM OF SYSTEM GROUND WATER = SEE S * SEE PLAN FOR TOTAL FIELD WIDTH EXISTING CLEAN BACKFILL OR CHAMBER PROFILE VIEW 5, Y CHAMBER END VIEW NATIVE MATERIAL OUTSIDE SYSTEM 500 GALLO N PkECAST LEACHING CHAMBER/GALLERY DETAIL (H-10 LOADING) * GROUNDWATER ELEVATION ESTIMATED FROM TEST PITS NOT TO SCALE ONSITE AND AVAILABLE GROUNDWATER MAPS FOR THE TOWN N52° 06' 56"E 21.37' ° ACCESSORS PARCEL ID 46 HERITAGE DR 17/21 LOT 26 i PAPPAS RUTH TR }� LAND AREA: 0.72 ACRES NEW 31,363 S.F.± D-BOX ABANDON EX. SEPTIC PER TITLE 5 REQUIREMENTS. DEMO WHERE NECESSARY STRONG TREE ENGINEERING !021 P.O. Box 977 East Sandwich, MA 02537 Ph- 177AI 559-39A2 INSTALLATION INSPECTION NOTES 1. THE CONTRACTOR SHALL PROVIDE A MINIMUM OF 24 HOURS ADVANCE CE TO HE ENGIN ER AND LOCAL BOARD OF HEALTH FOR NOT I T E ANY Yarmouth Health Department INSPECTION. APPROVED 2. ALL WASTEWATER SYSTEMS SHALL BE INSPECTED BY THE ENGINEER OR THE LOCAL BOH REPRESENTATIVE PRIOR TO BACKFILLING. AT A _� /' a -) MINIMUM THE FOLLOWING ITEMS SHALL BE INSPECTED: ame Date 2.1. ALL SYSTEM COMPONENTS BASE AND INSTALLATION PRIOR TO BACKFILL 2.2. ABANDON EXISTING SYSTEM 2.3. FINAL INSPECTION OF BACKFILLED SYSTEM 3. THE CONTRACTOR SHALL BE RESPONSIBLE TO MAINTAIN UP-TO-DATE AS -BUILT DRAWINGS AND NOTES INDICATING THE HORIZONTAL AND VERTICAL LOCATION WITH TWO TIES OF ALL SYSTEM COMPONENTS INSTALLED FOR SUBMISSION TO THE MUNICIPALITY. SSBQ 33� ®�77F 41.3' EX. SEPTIC TANK / EX. SEPTIC \ TO REMAIN _ ' PIT APPROX. PROPERTY LINE EX. D-BOX (APPROXIMATE) ° N31- 26' '9 "E APPROX. - � �, 154.28' � � � Tf 1 f FINISHED SURFACE GRADES TO MATCH / PIPE TO EXISTING WITH LOAM & SEED REMAIN 1 % _.;, REMOVE/DISPOSE H o OF EX. FENCE r \� EXISTING DWELLING o 'l� RESERVE AREA SINGLE FAMILY GARAGE / 6' :. 1.5 STORY W/ FULL SLAB ON GRADE 1 .0' ° PROPOSED SANITARY BASEMENT 1 ABSORPTION SYSTEM FF.14.1'f 3 BEDROOM . i< 4" SCH. 40 PVC i r (ALL PIPE) CONNECT TO EX. DECK PIPE (FIELD LOCATE) �� OD PAVED a by moo. I N58° 33' ''t1 "V1I 7.., DRivEwAY L=186.470, R=165.000 6 8 7 ° 49' 4 1,1i BENC NAIL STU 11.5 '" t Eoce of PAVE Nsd' 771, O „ 2 EIj-IC PROPERTY INFORMATION 1 ' OWNER: RUTH PAPPAS REVOCABLE TRUST ADDRESS: 1224 LINCOLN WAY NW MASSILLON, OH 44647-9601 MAP/BLOCK/PAGE: 17/21 LOT SIZE: 0.72 ACRES USE: SINGLE FAMILY RESIDENTIAL (NO CHANGE IN BEDROOM COUNT) B 5WW RK: ' CBDH L. 11.23 SINK GARBAGE DISPOSAL: NOT ALLOWED THE LOCUS IS LOCATED WITHIN A FLOOD ZONE - ZONE AE12 (JULY 16,2014) SITE IS NOT LOCATED WITHIN THE WELLHEAD PROTECTION ZONE II. \ SITE IS NOT LOCATED WITHIN THE TITLE 5 SETBACK AREA SOIL SURVEY DESIGNATION: CARVER COARSE SAND, 0-3 PERCENT SLOPE (252A) ?; THERE ARE NO KNOWN WETLAND RESOURCES WITHIN 100 FEET OF THE SEPTIC SYSTEM/LIMIT OF WORK AS SHOWN 1N THE SITE PLAN. THERE ARE NO KNOWN PRIVATE WATER SUPPLY WELLS WITHIN 100 FEET FROM THE PROPOSED SEPTIC SYSTEM. HERITAGE 40' ROW OF PAVE SCHEDULE OF ELEVATIONS EL. RUN SLOPE SEPTIC TANK - INLET 9.92 SEPTIC TANK - OUTLET 9.67 43.00 1.00% 'D" BOX - INLET 9.24 'D" BOX - OUTLET 9.07 2.00 0.00% 8.00 1.00% GALLERY INLET 8.99 GALLERY BOTTOM TO INVERT 2.00 GALLERY - BOTTOM EL. 6.99 TOP OF SAS 10.07 BREAK OUT 9.57 LOWEST FINISH GRADE 11.00 MINIMUM COVER 0.93 HIGHEST FINISH GRADE 11.50 MAXIMUM COVER 1.43 ESTIMATED NATIVE MATERIAL 8.13 TEST PIT BOTTOM 1.80 ESTIMATED G.W.ELEVATION 1.80 ESTIMATED SEPARATION TO G.W. 5.2 '�C Cx ti AD o C9 SCALE BAR 20 0 10 20 40 80 (in feet) I INCH = 20 FEET