The URL can be used to link to this page

Home My WebLink AboutEngineered Plan - 2018TOP OF FOUNDATION EL = 14.4 FINISH GRADE 6' OF ale To E 1-1/2' DIA, STONE BELOW TANK ME., ALL PIPE TO BE 4" DIA. PVC TIGHT JOINT WITH MINIMUM -SLOPE OF 1/8" PER FT. PLAN 1 inch = 20 it. 0 89' 18' 30" E LEGEND 85.35'x x � � FLOOD ZONE STATUS NOTE �! EXISTING ELEV. CONTOUR -- -- -- --s- - -- -- 1C11.7 i y{ EXISTING SPOT GRADE x11.5 THE SITE IS AFFECTED BY FEMA - MAPPED FLOOD ZONES "X" (0.2% CHANCE) AND "VE" WITH BFE ELEV.13. THE PROPOSED BUILDING SITE IS WITHIN FLOOD PROPOSED SPOT GRADE 11.5 ZONE "X" AS MAPPED BY YARMOUTH COMMUNITY F.I.R.M. PANEL } a 250=05891, DATED 7/16/14; THE BUILDING SITE LIES ABOVE ELEV. =11, THE PROPERTY LINE --------i I GIVEN "AE" B.F.E. FOUND IN THE BARNSTABLE COUNTY F.I.S. FOR THE RELEVANT WATER PIPE W oa PROFILE STUDY TRANSECT # 133. N ! WATER VALVE D4 W i j GAS LINE DEEP OBSERVATION HOLE # I DRYWELL D Test Date: November 25, 2009; Witness: Amy VonHone, RS, YARMOUTH HEALTH DEPT. FENCE LINE z x PERFORMED BY Darren Meyer SE# 1614 ST location is on 2010 plan on file. { UTILITY PALE UP 3 elevation depth (in.) horizon texture color mottling other i OVERHEAD WIRE owW 11.2 -10A 0-9 A loam. sand 10YR 3/2 i 10.4 - 8.9 9 - 27 B loam. sand IOYR 618 8.9 - (-)0.1 27 - 135 1 Cl I med. sand F25Y 6/8 r MAP 43 PARCEL 38 - t GAS BAFFLE rra•.-•�ra-r-rrw� •w•rarw.:w;w-w-.., EXISTING' PRECAST REINFORCED CONCR 00 GALLONS MANHOLE AND COVER -MIN 24' DIA. RAISE COVERS TO WITHIN 6• OF FINISH GRADE PROVIDE SLEEVE .. CI I WATER SERVICE 1 9.65 9.00 ALL PIPES B REPLACE D-BOX w;j AS RE0'D i D--6 LINE(S) EATNG D-BOX MUST, REMAIN LEVEL FOR 2'-0' 1 BEFORE PITCHING DOWN To LEACHING FACILITY i SEPTIC SYSTEM PROFILE NO SCALE BENCHMARK:_ TOP OF CONCRETE BOUND = 121 OBS. PORT PROVIDE ADS 1600 SO UNITS (H-20) • BOTTOM EL-7.5 31.25, PROPOSED S.A.S. PROFILE 4 h 1n. ,A 4&-\ /r�.n\ 16` MAP 43 PARCEL 33 i• J CO Parent material: glacial outwash Depth to Groundwater -126 " ( elev. = 0.7) Frimpter adj. = 1.5 ; Elev. 2.2 = Ref. Well MIW 29- Zone A; GW observed @ elev.1.5 on Jan. 18, 2018; Full adjustment in question due to proximity to tidal water body fluctuation. PERC RATE = LESS THAN 2 MPI CONSERVATION NOTES 1. THE WORK AREA SHALL BE CONFINED BY TWO WORK LIMITS WHERE SHOWN CONSISTING OF STAKED FABRIC SILT FENCE BACKED BY STRAW BALES OR AS DIRECTED BY YARMOUTH CONSERVATION COMMISSION. THE LOWER LIMIT RELATES TO LANDSCAPE WORK AND THE UPPER RELATING TO BUILDING WORK. THE WORK LIMITS SHALL REMAIN IN PLACE UNTIL THE WORK IS COMPLETE AND THE AREA CLEARED OF MINOR DEBRIS WITH GROUND COVER RESTORATION. 2. NO HOUSE BUILDING WORK -RELATED ACTIVITY SHALL OCCUR BEYOND THE UPPER WORK LIMIT. 3. ACCESS TO THE WORK SITE SHALL BE VIA THE STREET FRONTING THE LOT. 4. THE LAWN AREA EAST OF THE PATIO SHALL BE PLANTED HEAVILY WITH NATIVE PLANTS, GRASSES AND LOW GROWING SHRUBS. ORDER OF CONDITIONS WILL MANDATE MONITORING AND SURVIVAL REQUIREMENTS. A LANDSCAPE PLAN IS AVAILABLE FOR GUIDANCE. 5. CONTRACTOR IS REMINDED TO REFER TO THE ORDER OF CONDITIONS ISSUED FOR THE WORK ACTIVITY BY THE YARMOUTH CONSERVATION COMMISSION. 6. ROOF RUNOFF SHALL BE CONTROLLED WITHIN THE WORK LIMIT UNTIL THE SITE HAS BEEN STABILIZED WITH HEALTHY FUNCTIONAL SURFACE VEGETATION. 7. DRYWELLS SHALL BE 6 FT. DIAM, X 4 FT. HGT. SURROUNDED BY A CONCENTRIC STONE FIELD, A MIN. OF 1 F.T. WIDE OF 1.5 IN: CRUSHED STONE.;. TWO PITS ARE PROPOSED FOR PATIO RUNOFF, ADDITIONAL DRYWELLS ARE ADVISED FOR ROOF VOLUME UNTIL THE SITE STABILIZES 8. PROPOSED DRIVEWAY AREA SHALL BE GRADED AS SHOWN, SET WITH A SUITABLE COMPACTED NATURAL GRAVEL BASE COURSE SURFACED WITH CRUSHED STONE. ; a GENERAL NOTES 1. ELEVATIONS REFER TO NAVD88. REFER TO THE BENCHMARK CONCRETE PROPERTY LINE MARKER ON NORTH LOT LINE, CONTACT CAPE COD ENGINEERING, INC. FOR ADDITIONAL ELEVATION INFORMATION. 2. PLAN REFERENCE: TOPOGRAPHIC SURVEY DATA PROVIDED BY SCHOFIELD BROTHERS OF CAPE COD, INC. SEPTIC SYSTEM SAS DETAILS FROM A PLAN PREPARED BY DARREN MEYER, IRS ON FILE AT YARMOUTH + HEALTH DEPT. 3. EXISTING WATER SERVICE IS SLEEVED AS REVIEWED FOR GARAGE SEPTIC SYSTEM CONNECTION. 4. ALL SEPTIC SYSTEM CONSTRUCTION MATERIALS AND PROCEDURES SHALL CONFORM TO THE STATE i SANITARY CODE, TITLE 5 AND TOWN OF YARMOUTH HEALTH DEPT. APPROVAL FOR THE DESIGN. 5. THIS PLAN IS BASED UPON A ONE BEDROOM ADDITIONAL FLOW TO THE EXISTING SAS AS CURRENTLY f APPROVED FOR 445.2 GPD AS INSTALLED AND INSPECTED BY THE TOWN, THE ADDITION REQUIRES PLACEMENT OF TWO ROWS OF THE ADS 160OBD BIODIFFUSOR TO THE EXISTING SAS WITH INCLUSION OF A REPLACEMENT "D" BOX. ( "D-6") 6. REPLACE THE STOCKPILED SUBSOIL ("B" HORIZON) PRIOR TO ROUGH GRADING AND TOPSOIL APPLICATION AND LAWN SEEDING. LANDSCAPE IMPROVEMENTS SHALL BE AS DIRECTED BY THE OWNER. 7. FULLY COMPACT ANY PIPE BED TRENCHES BENEATH DRIVEWAY AREAS. PROVIDE SUITABLE BASE COURSE PRIOR TO DRIVEWAY RESTORATION. 8. INSTALLER SHALL CONTACT ENGINEER AT TIME OF SYSTEM COMPLETION PRIOR TO EARTH COVERING FOR SYSTEM CERTIFICATION IF REQUIRED. 9. CONTACT ENGINEER IF ANY QUESTIONS OR DOUBTS ARISE REGARDING SOIL CONDITIONS ENCOUNTERED • 1 DURING CONSTRUCTION. 1O.THE SITE WORK IS SUBJECT TO MASS DEP WETLAND ACT AND YARMOUTH WETLAND BY-LAWS 11. NO KNOWN WELLS EXIST WITHIN 200 FT. OF THE PROPOSED SEPTIC TANK OR EXISTING COMPONENTS. THE SITE IS SERVED BY TOWN WATER. DESIGN DATA i HYD. LOADING J PROPOSED DWELLING - 4 BEDROOMS + GARAGE SECOND FLOOR SPACE: W/ 1 BR 5 BEDROOMS X 110 GPD/BR = 550.0 GPD SEPTIC TANK DESIGN 550 GPD X 200% = 1100.0 GPD A 1,500 GAL. SEPTIC TANK - ST 1500 -H-20 EXISTS FOR USE EXISTING SAS DESIGN (PER EXISTING RECORD DESIGN) PERCOLATION RATE - 2 MPI 4 ROWS OF (5) ADS BD UNITS - TOTAL LENGTH = 128 L.F. @ 4.7 S.F. /. LF = 601.6 S.F. X 0.74 GPD = 445.0 GPD PROPOSED SAS- 6 ROWS OF 5 ADS BD UNITS - ( DISCOUNT "CONTOURED WEDGE" IN ORIGINAL DESIGN) (6) ROWS X (5 UNITS) X 6.25 FT. / UNIT = 187 LIN. FT. X 4.7 S.F./L.F. = 881.0 S.F. 881.0 S.F. X 0.74 GAL. / S.F. / DAY = 652 GPD TOTAL LEACHING DESIGN CAPACITY = 652 GPD *THE DESIGN IS NOT SUITABLE FOR USE WITH A GARBAGE DISPOSAL UNIT RIVERS PROTECTION ACT DATA SUMMARY 66A RIVER STREET, SOUTH YARMOUTH DEP FILE NO. SE83- 2041 (AMENDED OCTOBER 19, 2017 ) (SECOND AMENDED MARCH 5, 2018) • RIVER - BASS RIVER - TIDAL • 200 FT. RIVERFRONT AREA (RA) MEASURED FROM THE MHW LINE AT ELEV. = 0.9 NAVD88; MHW LATERAL LOCATION IS BEACH SEDIMENT DEPENDENT; LOCATION ESTABLISHED: JULY 2015 EXISTING CONDITIONS • TOTAL RA ON SITE = 24,000 S.F. EXIST. DEGRADED / DEVELOPED, NATURAL AREA WITHIN THE TOTAL RA • EXIST. HOUSE = 2,100 S.F. • EXIST. DECK = 310 S.F. • EXIST. DRIVEWAY = 2,050 S.F. TOTAL = 4,460 • LAWN AREA =12,050 S.F. • NATURAL AREA, BEACH, COASTAL VEGETATION = 7,210 S.F. DEGRADED / DEVELOPED AREA WITHIN THE 100 FT. RA • EXIST. HOUSE 250 S.F. • EXISTING DECK = 255 S.F. EXISTING PIER WALKWAY =160 S.F. TOTAL = 665 S.F. • EXISTING LAWN = 3,490 S.F. PROPOSED CONDITIONS ( AMENDED) TOTAL RA ON SITE = 24,000 S.F. PROPOSED DEGRADED / DEVELOPED AREA WITHIN THE TOTAL RA • PROP. HOUSE = 3,460 S.F. (2,295 S.F. WITHIN OCCUPIED LAWN AREA;1003 S.F. WITHIN EXISTING DWELLING PROJECTION.) • PROP._ PATIO W/ POOL = 2,254 S.F; (928 S.F. OCCUPIES EXIST. LAWN,1,326 S.F. W/IN EXISTING HOUSE AND DECK FOOTPRINT) • PROP. DRIVEWAY = 765 S.F. TOTAL = 6,479 S.F. PROPOSED DEGRADED / DEVELOPED AREA WITHIN THE 10D FT. RA -PROPOSED PATIO j POOL =1,086S.F. ( 581 SF OCCUPIES EXIST LAWN, 505 S.F. W/IN EXISTING HOUSE AND DECK LOCATION) -PIER WALKWAY =160 S.F. TOTAL -11246 S.F. NET CHANGE - EVALUATION OF DEGRADED AREA WITHIN TOTAL RA - 2,019 S.F. INCREASE OF BUILDING AND PATIO; ADJ. FOR OCCUPIED LAWN = REDUCTION OF 3,524 S.F. OF LAWN AREA. WITHIN 100 FT. RA - 581 S.F. INCREASE ( PATIO SURFACE; ADJUST FOR OCCUPIED LAWN = REDUCTION OF 581 S.F. LAWN (310 CMR 10.02,6. EXEMPT FROM THE RA PERFORMANCE STANDARD Yarmouth HealthDepartlnent gip, WED w> �' Date ESN OF M�3 �� ss9c o� ROBERT yc JOHN FREEMAN 3 q No. 32655 R �voMcSUUR\1 CTVIL CHIZMAS.DWG