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HomeMy WebLinkAbout121 Mayflower Terrace - Site & Sewage Disposal Plan 3I NO SCALE DEEP OBSERVATION HOLE 1 ELEV=10± DEPTH FROM SURFACE SOIL HORIZON SOIL TEXTURE SOIL COLOR MUNSELL SOIL MOTTLING OTHER D" - 11' 0/A LOAMY SAND 10 YR 2/2 NONE / i 11' - 28' B LOAMY SAND 10 YR 5/8 NONE 5% COBBLES 28' - 132" C MED -COARSE 10 YR 6/3 NONE 5% GRAVEL 48' - 138" C SAND 10 YR 6/3 NONE 2% COBBLES DEEP OBSERVATION HOLE 2 ELEV=14± DEPTH FROM SURFACE SOIL HORIZON SOIL TEXTURE SOIL COLOR MUNSELL SOIL MOTTLING OTHER 0' - 13" 0/A LOAMY SAND 10 YR 2/2 NONE / i 13" - 48" B LOAMY SAND 10 YR 5/6 NONE 5% COBBLES FOLLINS> IN THE C HORIZON IN DOH # 1 AND DOH #2 ASSESSORS AND STONES 48' - 138" C MEDIUM SAND 10 YR 6/3 NONE GROUNDWATER ENCOUNTERED AT A DEPTH OF 113' PERC 0 50' NO GROUNDWATER ENCOUNTERED DATE OF TESTS: SEPTEMBER 9, 2003 �� -ice -�` � � /� - �!: •'V 'i':'°FN,' �/ / - ' "" r` �' '' �; r f; //i PLAN BOOK: 295 PAGE: 56 STANDARD SILT FENCE PLAN REFERENCES: PERCOLATION RATE :LESS THAN 2 MINUTES PER INCH DROP / i � %moi i rr� ',%•'` STONE ON SIDES. (USE 500 GALLON LEACH CHAMBER UNITS AS U DISPOSAL FACILITIES) TO ALLOW THE TOP OF FOUNDATION TO FOLLINS> IN THE C HORIZON IN DOH # 1 AND DOH #2 ASSESSORS MAP 120 PARCEL 1.3 r PLAN BOOK: 79 PAGE �h�� pONp' WITNESSED BY : USA LYONS, CSE F= , �'i r / °" / PLAN BOOK: 584 PACE: 61 PAGE: 61 `-7 i LOCUS DAVE FLAHERTY, YARMOUTH BOARD OF HEALTH / / Y"`. DATE OF TESTS: SEPTEMBER 9, 2003 �� -ice -�` � � /� - �!: •'V 'i':'°FN,' �/ / - ' "" r` �' '' �; r f; //i PLAN BOOK: 295 PAGE: 56 A VARIANCE IS REQUESTED FROM YARMOUTH BOARD OF F vat, df ai P PERCOLATION RATE :LESS THAN 2 MINUTES PER INCH DROP / i � %moi i rr� ',%•'` STONE ON SIDES. (USE 500 GALLON LEACH CHAMBER UNITS AS U DISPOSAL FACILITIES) TO ALLOW THE TOP OF FOUNDATION TO FOLLINS> IN THE C HORIZON IN DOH # 1 AND DOH #2 S BE CONSTRUCTED AT ELEVATION=19.0, WHERE THE HIGHESTEE= - r PLAN BOOK: 79 PAGE 101 pONp' WITNESSED BY : USA LYONS, CSE F= , �'i r / °" COMPACTED SUBGRADE PLAN BOOK: 586 PAGE: 61 `-7 i LOCUS DAVE FLAHERTY, YARMOUTH BOARD OF HEALTH / / Y"`. STRAW BALES C3 0 t GROUNDWATER ENCOUNTERED 0 ELEV=0.6/ (SEE INSERT BELOW) DEED BOOK: 15799 PAGE: 239 y W STANDARD TWO (2) 2'X2' STAKES, OR ZONING DISTRICT: R-40 z o Q v MAYFLOWER KELLEn }i TERRACE ESTIMATED HIGH GROUNDWATER CALCULATION (USGS/CCC METHOD) INDEX WELL #MIW-29 ZONE: A DATE OF READING: 9-24-03 DEPTH TO GROUNDWATER: 9.42 FEET GROUNDWATER LEVEL ADJUSTMENT: 1.9 FEET ACTUAL GROUNDWATER LEVEL 0 SITE: EL= 0.6 FEET ESTIMATED (MAX.) HIGH GROUNDWATER LEVEL EL= 2.5 FEET DESIGN CALCULA TIONS DESIGN FLOW: 5 BEDROOMS AT 110 GAL PER DAY PER BEDROOM = 550 GPD 550 GPD X 200% = 1100 GALLONS - USE 1500 GALLON SEPTIC TANK, MIN, ALLOWED A 50.5' L x 10' W. x 2' D. LEACHING CHAMBER CAN LEACH: A = 50.5 (2) 2 x .74 + 50.5 (10) x .74 + 10 (2) 2 x .74 = 552 GPD INSTALL ONE ( 1) - 50.5 'L x 10 V. x 2 'D. LEACHING CHAMBER Vt = 552 GPD > 550 GPD REQ'D. ONE ( 1) - 1500 GAL SEPTIC TANK, MINIMUM ALLOWED rl-1 ONE ( 1) - DISTRIBUTION BOX ( 9 OUTLET) NO TES 1) GARBAGE GRINDERS ARE NOT ALLOWED WITH THIS DESIGN. 2) 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 MUST COMPLY WITH A MINIMUM STANDARD OF A.A.S.H.T.O. H-20 WHEEL LOADS. 3) 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. 4) 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. 5) 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. 6) THE USE OF ALTERNATE MANUFACTURERS FOR SYSTEM COMPONENTS SHALL NOT BE APPROVED IF THE USE OF THEIR EQUIPMENT REQUIRES CHANGES IN DESIGN. 7) THE INSTALLER SHALL ASCERTAIN THE LOCATION OF EXISTING UNDERGROUND UTILITIES PRIOR TO EXCAVATION, AND SHALL PROTECT U11UTIES WITHIN THE WORK AREA DURING CONSTRUCTION. 8) FILL MATERIAL FOR SYSTEMS CONSTRUCTED INFILL 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: SIEVE PNG SIZE PASSING TOP OF FOUNDATION e I 14.00 13.75 0 0 N I THE MINIMUM SLOPE FOR h e DIA SCH 40 PVC 3 PIPE IS 1/8' PER FT CO CR h 12'± 10' MINIMUM u 9' NRI. 3 MAX. DROP -2' MIN - 3" FLOW UNE- 0'WJD DEPTH SEE 6FI 1500 GAL SEPTIC TANK W/SIWITARY TEES :TED BASE --I GAS BAFFLE USE -J LAYER OF 'TUF-LTE' OR :D STONE APPROVED EQUIVALENT LIQUID DEPTH OUTLET TEE DEPTH BELOW FLOW LINE 4 FT 14 INCHES 5 EY 19 INCHES 6 FT 24 INCHES, 7 FT 29 INCHES - y y y y SOIL REMOVAL NOTE REMOVE TOPSOIL AND UNSUITABLE MATERIAL WITHIN 5' OF LEACHING CHAMBERS DOWN TO C HORIZON IN DOH #1 & DOH #2 AND REPLACE WITH SAND FILL IN ACCORDANCE WITH NOTE #8 TO ELEVATION=13.0± RAISE COVERS TO WITHIN 6' OF FINISH GRADE y EQUIVALENT PER BALE DRIVEN GREAT 1 BAY'1 SILT FENCE ONE (1) FOOT INTO GROUND "PLAN SHOWING PROPOSED ASTERN k d ^' SUBGRADE DRIVEWAY' FOR LOT 1A, PREPARED KNOB HILL RD. COMPACT SOIL AROUND OUTER FOR ROD SROCZENSKI, DATED-- lrtpwl \ PERIMETER OF BALES SEPTEMBER 30, 2004. ROUTE s YARMOUTH, MA KEY MAP NO SCALE HAYBALES WITH SILT FENCING DETAIL aEAASTTNG REDCAP �oF �a / / / - 8- - - NOT TO SCALE OASTAL ENGINEERING NGINEERING OMPANY, INC. 260 Cranberry Hwy. Orleans, MA 02653 508.255.6511 Fax: 508.255.6700 (Ncwa oaniij +EEra�, = - - - - o CONSTRUCTION NOTES LEGEND �j o .. / {6 ° i EROSION C21F; ,; co LOT 2A v THE SILTATION BARRIER, AS SHOWN ON THE PLANS, SHALL BE ' BOUND 100 -YEAR FLOOD - �$ eRUI,xNESED $�,r, �z MAP 120, PARCEL 1.2 A W-3 WETLAND FLAG 1 x INSTALLED PRIOR TO CONSTRUCTION AND MAINTAINED UNTIL (aEVAnoN=s) I I / PRdOSEDR00FORAN i �ti COMPLETION OF PROJECT. MATERIAL STOCKPILES SHALL BE EDGE OF WETLAND 1 oRrEu (TIP) PROTECTED FROM EROSION BY COVERING OR BY THE PLACEMENT OF A SILT FENCE: ON THE DOWNHILL SIDE OF THE STOCKPILE, AREAS # LAMP POST 1 / '\ r „ \ _ / ExsnNc DISTURBED BY CONSTRUCTION SHALL BE REVEGETATED PRIOR TO 10- EXISTING CONTOUR "iis`- '�� e/ N °"�jNG COMPLETION OF THE PROJECT. ROOF DRAINAGE SHALL BE 10- PROPOSEDCONTOUR COLLECTED BY GUTTERS AND DOWNSPOUTS AND RECHARGED 1,C TaNx THROUGH THE PROPOSED ROOF DRAINAGE DRY WELLS. +17.0 PROPOSED SPOT GRADE UWT OF 5 SO. y I } } �V RoaoVAL LIMIT OF WORK: W- WATER SERVICE / oEa o ° \ - ` / / p�1 �,Mr �1 °- - _ ETC- ELECTRIC, CABLE:, AND } is FF E1EV-19.0 \ THE SITEWORK CONTRACTOR SHALL FAMILIARIZE HIMSELF WITH THE "% TELEPHONE SERVICES BOUNDARIES OF �� EUV -&25 i c (E%S NG SEPTC SY51E\ ' h �- _ - _I4 J CONTRACTOR SHALL E EXERCISE CARE IN ORDER OTY AND THE LIMIT F PROTECT G - GAS SERVICE '/ °!" RESER- - - - ADJACENT PROPERTIES AND WETLAND RESOURCE AREAS. THE + / AREA 52'So.s'E.1o'w.xro •' y } } I , /' / } LEACHING CHAMBER r ' CONTRACTOR SHALL NOT OPERATE HEAVY EQUIPMENT OR STOCKPILE y } I } I OF.Tanox eaRma/wia rtZ / 1' /�'� \ - N GrDs'2iE ' - - -t2- � EXCAVATION OR CONSTRUCTION MATERIAL ON THE WETLAND SIDE OF FLOOD NOTE. of70Fd off low mw � � I 1 \ °F "max i' \Y � � ' � a' \ THE PROPOSED SILTATION BARRIER. \ \ \ PROPOSED ' / • ' / •r' - 164.69. \ '� GARACErV.1a0 w �1.� \ _ } \ \ \ \ �� � r �, • r. ° :. -� _ a. d �4 \ \ \ AND OPER FEMA FlPoA COMMUNITYD ZONES A4 ANEL) B y I 1 1 9 a 1250015 00020, REVISED JULY 2, 1992 6RASEL. 10 SALTMARSH , / \.8 �� 0 e •a.; �� ... �..\ . � ; \\ \� `� \\ CONSERVATION NOTE: SEAL 10TO COASiA e • . 8 ' ' w ONIING DRIVEWAY APPROVED AND WERAND y 1 1x / R s w e \ \ ;h• I 3S. BOUNDARY CONFINED WITH DETERMINATION OF f APPLICABILITY ISSUED BY YARMOUTH CONSERVATION 1 COMMISSION ON OCTOBER 26, 2004. It e1 14fileml ?t Fs.`' cl.rvl F,% 35on 591I-ImI 7 Z no w MAP 119 PCL 56 PLAN n2 rk„ LD BY PLACING FIVE 8-6 x 4-10 x 2-10 LEACHING CHAMBER / N 2 / A VARIANCE IS REQUESTED FROM YARMOUTH BOARD OF F w UNITS END TO END WTH 4'-0' STONE ON ENDS AND 2'-7' _ ® / HEALTH REGULA71ON'3.7 (DISTANCES AND LOCATION OF STONE ON SIDES. (USE 500 GALLON LEACH CHAMBER UNITS AS U DISPOSAL FACILITIES) TO ALLOW THE TOP OF FOUNDATION TO 0 a , -- � � -�' �� - S BE CONSTRUCTED AT ELEVATION=19.0, WHERE THE HIGHESTEE= r o .- - ' \ - \ SCALE 1"= 40' / i -- " POINT THE ROAD AFFRONTING THE LOT IS 23,1 FEET. A 4.1' VARIANCE IS REQUESTED. F= (THIS AREA IS SERVED BY TOWN WATER) r O QQl C C3 � 0 w cna 0 N A of N x y e *At Cl'ZAOS a• 11 i�ry !Y• . 4 4• 3j�•f ,�+ 121 MAYFLOWER TERRACE /// ¢ ; 'Y� / MAP 120, PARCEL 1.3 w I . 0" L > TOTAL AREA I I II I Fr/ 1 !Iv 217,600± S.F. 5.00± AC. ',...� UPLAND 93,890± S.F. 2.16± AC, WETLAND �1 >'. 123,710± S.F. 2.84± AC." MAP 119 PCL 57 W / / O Y rrrouth Ifenith Be ap rtmert a / APPI 0 17r, l leeuw MAP 119 PARCEL 38 ' ` /€ N` :Te Date ONE (1)- 50.51 x 1O'W x 2'D LEACHING CHAMBER CONSTRUCT no w MAP 119 PCL 56 PLAN n2 VARIANCE REQUEST. LD BY PLACING FIVE 8-6 x 4-10 x 2-10 LEACHING CHAMBER / N 2 / A VARIANCE IS REQUESTED FROM YARMOUTH BOARD OF V w UNITS END TO END WTH 4'-0' STONE ON ENDS AND 2'-7' _ ® / HEALTH REGULA71ON'3.7 (DISTANCES AND LOCATION OF STONE ON SIDES. (USE 500 GALLON LEACH CHAMBER UNITS AS _` 40 0 40 80 120 �' DISPOSAL FACILITIES) TO ALLOW THE TOP OF FOUNDATION TO MANUFACTURED BY SHOREY PRECAST OR EQUAL). a , -- � � -�' �� - S BE CONSTRUCTED AT ELEVATION=19.0, WHERE THE HIGHESTEE= Q .- - ' \ - \ SCALE 1"= 40' / i -- " POINT THE ROAD AFFRONTING THE LOT IS 23,1 FEET. A 4.1' VARIANCE IS REQUESTED. (THIS AREA IS SERVED BY TOWN WATER) r O QQl FINISH GRADE - O'BOX MINIMUM D'SOX INSIDE ' MENSIONS 12'x12' PVC PIPE (M T 4' DIA SCH 40 PVC PIPE C PIPE OR FLOW LEVELER INVERT S MAX - e. , , ,4. , I a" , ` 3/4' TO 1 1/2' ALL INV. DOUBLE WASHED STONE COMPACTED BASE W/ 6' LAYER OF I . 10.53 CRUSHED STONE - ALL LWS) EXITING D'BOX MUST REMAIN J LEVEL FOR 2'-O' BEFORE PITCHING END NEW DOWN TO LEACHING FACILITY 20'± 20'± LONGEST RUN C FLOW ALL INSTALLATIONS MUST CONFORM TO THE MINIMUM REQUIREMENTS OF TITLE 5 0 ' TO 1/2' STONE 2'-0' EFFECTIVE DEPTH 8'± TO ADJUSTED GROUNDWATER a b ADJUSTED GROUNDWATER ELEVATION -2.5± 50'-6' DETAIL OF LEACHING CHAMBER �•• NO SCALE FINISH GRADE 4 MIL POLY OVER A 4 LAYER OF 1/8' TO 1/2' STONE 4' DIA DRAIN PIPE 3/4' TO 1 1/2' DOUBLED WASHED STONE TYPICAL DRYWELL INVERT OF INLET PIPE OF DRYWEU. TO BE SET IN MEDIUM SAND BELOW THE LOAMY SAND. I DRAWINGFILE NC15886.DWG OTE: DATE THE INFORMATION HEREON HAS BEEN PREPARED ACCORDING TO APRIL , 2005 THE REQUIREMENTS OF TITLE 5 OF THE STATE ENVIRONMENTAL DRAWNBY CODE FOR SUBSURFACE DISPOSAL OF SANITARY SEWAGE AND <'.V LOCAL BOARD OF HEALTH REGULATIONS. CHECREDBY V 6 114rp-g BY e.fRTit, T 7 AA 7" 7•/4-47 C, ., DC7tO 's 'low4bx[S7 O �� O T 1f E G 4G3 4-w ° ss4c AI ;" Y G G pII•1 T£: ' AR `, : u to � 3 1 OF _L SHEETS PROJECT NO. c� C15886.03 a a a SCALE AS NOTED I DRAWINGFILE NC15886.DWG OTE: DATE THE INFORMATION HEREON HAS BEEN PREPARED ACCORDING TO APRIL , 2005 THE REQUIREMENTS OF TITLE 5 OF THE STATE ENVIRONMENTAL DRAWNBY CODE FOR SUBSURFACE DISPOSAL OF SANITARY SEWAGE AND <'.V LOCAL BOARD OF HEALTH REGULATIONS. CHECREDBY V 6 114rp-g BY e.fRTit, T 7 AA 7" 7•/4-47 C, ., DC7tO 's 'low4bx[S7 O �� O T 1f E G 4G3 4-w ° ss4c AI ;" Y G G pII•1 T£: ' AR `, : u to � 3 1 OF _L SHEETS PROJECT NO. c� C15886.03