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HomeMy WebLinkAbout83-1831 - Proposed Sewage Disposal System002< 53 SP2 , , :. . . .... BOTTOM OF PUMP 6" OF900 00400 00 0Q pp0p0G0$p d1 000$p 0p0ap0o 0 00000p CHAMBER ELEV. -0.18 SIONE°0 _ BELOW 00000 0 o SEPTIC TANK (H-20) $0040 oOFT'o 4 CAPACITY = 3,500 - GALLONS 6" OF 43 0160 00 uv00 00"0"g0000'A 000$00 00 PRECAST REINFORCED CONCRETE STONE ,c PROPOSED H-20 PUMP CHAMBER o0 0 B£Lowao CAPACITY = -2.44Q- GALLONS oll NOTE: UNLESS OTHERWISE NOTED, ALL PIPE TO BE DIMENSIONS SHOWN ARE BASED ON 4" DIAM. PVC TIGHT JOINT SCH. 40 SHOREY PRECAST CONCRETE PRODUCTS, ITEM # ST -2,000-H-20 (OR APPROVED EQUAL). PLOT PLAN SCALE: 1 in, = 30 ft. LEGEND ASSESSOR'S MAP 4 PARCEL 10 LOT AREA: 3.339 ACRES± 1' SP - PROPOSED CONTOUR LINE 2 EDGE OF ---XX--- EXISTING CONTOUR 1 MARSH © EXISTING CESSPOOL =lr� i W- WATER LINE 00 PROPOSED 2000 GALLON SEPTIC TANK 0o PROPOSED 2000 GALLON PUMP CHAMBER ff^ FLAG 0. PROPOSED DISTRIBUTION BOX PROPOSED LEACHING BED 1 /1 x 3 EXISTING SPOT ELEVATIONS -` --- TEST HOLE LOCATIONS_ - p PROPERTY LINE /! x 1 PROPOSED SPOT ELEVATION -OH- OVERHEAD UTILITIES '" • ��/�--"--������' ( ;. - -UGU- UNDERGROUND UTILITIES FG FINISHED GRADE OP K I', PATIO 1 \ UP UTILITY POLE CO ASS AL PATIO \ / TOF TOP OF FOUNDATION ELEVATION jl r - �'; / , EDGE OF 1#1149TIN / `= IP INSPECTION PORT o I I EXISTING •� 1 •' \ MARSH Q) I _ (' DWELLING �� C TOP •�� N LAMP -L„! N.- SILL=11.2 STAL BA pA / SILL 8.3 4) t `REL66ATE � gQ� Oi', F •• \ I ,� i' 1 /cj i/ FLOOD ZONE r /' UNDERGROUNDS UTILITIES G `\ "Al2" (EL -12) PROPOSED / / o o I \\ FO\ EROSION I \ / CONTROL /\ \ 1 r` o / o ORO \ \ �, _ -STEPS E LAMP 150' .� A 100' FROM THE TO _ r FROM WELL 00 •...,,,,�,:L,a-!'} �� �! OF COASTAL BANK / RESERVE -� --1� ELE�&BOX o•- �i MIRAFI 60OX STABILIZATION FABRIC 4" MIN LOAM AND SEED WITH CONSERVATION MIX GRASS SEED mrr� m,cse 2" CLEAN SAND 45' 4" CLEAN SAND 12" MIN. 8" COMPACTED GRAVEL BASE CLEAN SAND BOTH SIDES NOTES: THE COMPACTED GRAVEL BASE SHALL CONFORM TO MASS. HIGHWAY DEPT. EC. M1.03.1 FOR DENSE GRADE BASE GRAVEL, WITH NO STONES LARGER THAN INCHES AND SHALL BE COMPACTED IN TWO FOUR INCH LIFTS. REINFORCED GRASS ACCESS ROAD (NO SCALE) 411 L_... . ---- L. RISER. f`p±. F� Fri / ��_ ` 1 I O• I ' L�,', 0 EW AY - H -h[ ,aci� I cYi O FLOOD ZONE ` j �. i L_ 81 L 27 w _W I 1�\? - o / "Al2" (EL:12) i� J i ' X100' FROM THE EDGE c� r 100' FROM BOR ERING���S[/ \,// OF SALT MARSHA PROPOSED PROPOSED VEGETATED WETLAND yx �.`'\. �•' .' / I /�'. '� \WELL/ WATER LINE' DRIVEWAYLli _�:_.�-fir -�...�\, HOUSE i - FfrygY \ / LIMIT OF 5'/�• -__: /PROPOSED j OVERDIG, PROPOSED\SQUARE ON a �� EROSION STONE CONT CONTROL LIMIT OF FLOOD 1 g\ z / PROPOSED ZONE "V15 / _ EROSION CONTROL FLOOD ZONE/ BENCHMARK: TOP OF /PROPOSED % 7" _ "Al2" (EL:10) 12" GALVANIZED SPIKE. DRIVEWAY EL: =10.91 NGVD 1929EDGE 0 4F 1 VEGETATED WETLAND - (e L NATURAL GRADE WATER SURFACE EDGE OFWF 4 l ELEVATION = 5.7' POND \\ ---- \ f (2/04/08) Wl\5 FINISHED GRADE POND 46`� • _ -- __ _ �->- -, �-.- l r r� ERO �RlF1•+'f1G1 �91Fi y11}�y11F1 PROVIDE 3'29' 4" PERFORATED PVC RE BAR FOR THE WITH SCREW TYPE DETECTION _ CAP. RAISE TO WITHIN .(TOP OF BAR . J; -- _ J I CO 3" OF FINISHED FLUSH WITH \ / 1 f 1 i t 1;' � BY GRADE PVC CAP) V .'i,r t LOC p Op ��-� ! .•/ �• SED ° o LEACH FIELD \ EXTEND PORT TO ° •'N, / v ALL BOTTOM OF LEACH ° otr 4 I 4. FIELD o° \ IJP OR \ i FOU TYPICAL INSPECTION PORT DETAIL ' `=1'' S. '•V ALL ' 0,£G NO SCALE Y 1.5" BIT. CONC. SURFACE COURSE 2" BIT. CONC. BASE COURSE 12" GRAVEL BASE PREPARED SUBGRADE COMPACTED BACKFILL COMPACTED SELECT BACKFILL FORCE MAIN COMPACTED APPROVED GRAVEL BACKFILL 18" MIN. TYPICAL FORCE MAIN BEDDING DETAIL FR♦CEMAN No. 32655 J :��nessrW���Q- ,L STAKED HAYBALE EROSION CONTROL BARRIER DETAIL RAY OR STRAW BALE STAKED HAYBALES (NO SCALE) �fierD S{ 6 R TAMPED \ FLOW SOIL 2• z 2' STAKES DRIVEN 12' MIN. INTO THE GROUND TAMPED SION CONTROL NOTES SOIL FOLLOWING ARE GENERAL EROSION CONTROL SPECIFICATIONS TO BE EMPLOYED WHEN NSTRUCTION WORK IS TO TAKE PLACE ON SITE: THE CONTRACTOR SHALL OBTAIN AND BECOME FAMILIAR WITH THE ORDER OF CONDITIONS ISSUED THE TOWN OF YARMOUTH CONSERVATION COMMISSION REGARDING WORK IN AND AROUND THE US PROPERTY. PRIOR TO ANY DISTURBANCE OR ALTERATIONS OF ANY AREA ON THE SITE, A STAKED HAYBALE IMENT BARRIER OR SILT FENCE SHALL BE INSTALLED AS SHOWN HEREON. ONCE INSTALLED, THE STAKED HAYBALE SEDIMENT BARRIER SHALL BE MAINTAINED IN PLACE UNTIL AREAS UPGRADIENT FROM THE BARRIER HAVE BEEN STABILIZED AS SPECIFIED HEREIN. ALL DISTURBED AREAS NOT OTHERWISE DEVELOPED OR WHERE SPECIAL STABILIZATION MEASURES LANDSCAPE PLANTINGS ARE NOT PROPOSED SHALL BE LOAMED AND SEEDED OR SODDED, APPLY R INCHES OF LOAM TOPSOIL (MIN.), UNLESS OTHERWISE SPECIFIED. ALL AREAS OUTSIDE THE LIMIT OF WORK ARE TO BE LEFT UNDISTURBED. DURING THE SITE WORK, PERSONS AND EOUIPMENT SHALL STAY OUT OF THESE AREAS AND PRESERVE THE EXISTING ETATION. UPON FINAL GRADING, DISTURBED AREAS SHALL BE SEEDED WITH AN APPROPRIATE SEED MIX. DEEP TEST HOLE OBSERVATION LOG #2 DATE: 2/20/08 JOB: 0-10552 PERFORMED BY: LAURA SCHOFIELD WITNESSED BY: AMY VON HONE, YARMOUTH BON ELEVATION DEEP TEST HOLE OBSERVATION LOG #1 SOIL SOIL TEXTURE SOIL COLOR SOIL (FT) SURFACE (IN) HORIZON (USDA) DATE: 2/20/08 JOB: 0-10552 OTHER 12.6-11.9 0-8 A SANDY LOAM 10 YR 3/3 NO MASSIVE, V. FRIABLE 11.9-9.6 PERFORMED BY: LAURA SCHOFIELD WITNESSED BY: AMY VON HONE, YARMOUTH BOH SANDY LOAM 10 YR 5/8 NO MASSIVE, FRIABLE 9.6-8.1 36-54 Cl SAND f0 YR 6/6 ELEVATION DEPTH FROM SOIL SOIL TEXTURE SOIL COLOR SOIL 70 YR 5/4 NO SBK, EX. FORM 4.8-0.6 93-144 C3 SAND 70 YR 6/4 NO SGP, LOOSE (FT) SURFACE (IN) HORIZON (USDA) (MUNSELL) MOTTLING OTHER PARENT GEOLOGICAL MATERIAL GLACIAL OUTWASH STANDING WATER IN HOLE: 128' (ELEV . 1.9) WEEPING FROM FACE: DEPTH TO BEDROCK: N/A ESTIMATED SEASONAL HIGH GROUNDWATER AT EL - 3.5 (INCLUDES A 1.6' CORRECTION FACTOR) PERCOLATION TEST: PERC. RATE < 2 MPI (ASSUMED) 3.5' 1 3.5' 1 f.7-10.9 0-10 A SANDY LOAM 10 YR 3/3 NO MASSNE, FRIABLE 10.9-9.4 10-27 8 SANDY LOAM 10 YR 5/6 NO MASSWE, FRIABLE 9.4-8.2 27-42 Cf SANDY LOAM f0 YR 5/4 NO MASSIVE, FRIABLE 82-3.7 42-96 C2 SANDY LOAM IO YR 5/3 NO SBK, EX. FIRM 3.7-(-0.3) 96-144 C3 SAND, MCD 10 YR 6/3 NO SCR, LOOSE MED. - COARSE PROFILE OF SYSTEM - NO SCALE PARENT GEOLOGICAL MATERIAL: GLACIAL O,TWASH STANDING WATER IN HOLE: 123• WEEPING FROM FACE: DEPTH TO BEDROCK: N/A PROVIDE 20" MIN. DIA. WATERTIGHT ACCESS MANHOLE AND COVER ESTIMATED SEASONAL HIGH GROUNDWATER AT EL. - 3.1 (INCLUDES A 1.6' CORRECTION FACTOR) CONSTRUCTED OF DURABLE MATERIAL BROUGHT TO WITHIN 3" OF FINISHED PERCOLATION TEST: PERC. RATE < 2 MPI (ASSUMED) GRADE. THE SEPTIC TANK INLET AND OUTLET COVERS MUST NOTE WITH PERMANENT MARKINGS THAT THE SYSTEM IS EQUIPPED WITH A ZABEL FILTER. FG=12.6 PROVIDE RISER AND COVER TO MIN. - WITHIN 6"" OF FINISHED GRADE FG 0 SPT = EXISTING 3" MIN. 11 IL FG ® SP2 = 10x6 FG= AIR SPACE _ 9 _ �It=1i� 9x5 MIN. 3.67' OF STORAGE FG= 9x6 MAX. EXISTING PROVDE 2" INV. = SEE DETAIL "REINFORCED GRASS ACCESS SIN = GALS. -\tlr, TEE _10_00 _ ROAD" FOR ANY PORTON OF THE LEACHING -,. SRI EXISTING INV -6.2 '.. e .2 DA (1.2 DAYS t) �I „ �1� Lu �1�1111 AREA EXPECTED TO BE USED FOR PARKING (SEE NOTE Nj9) �... �.. INV. _ • SP2 PROPOSED INV.=8.0 .. •.. 5..45 2" PVC QUICK INV = /,/ 6" 17" •... • - , .. .- -_ DISCONNECT UNION 10.17-/ +. -... MAX. - yI 6"MIN. INLET INV. - 5.3 6 OF 0 o STONE o ( - - ]� 6" IN 2" SDR -21 PVC91, FORCE MAIN BELOW BEGINNING c5 PROVIDE ZABEL EFFLUENT RAIL SYSTEM -�- 57' -�N OF LEACH LINE INV=9.75 1 - X H_ BO ( 20) INV. q i F W LO T OR APPROVED E UALDISTRIBUTION E£ 0 9 OUTLETS5LINE �r,? ALARM ON ELEV. = 1.73 � 2" PVC BALL VALVE _ ------I INVERT ELEVATIONS OF ALL "M. o, BAFFLE PUMP ON ELEV. = 1.56 OUTLETS TO BE THE SAME 49.0 4" SCH.-40 PVC 3"MAX. .r1 DRAW DEPTH = 0.74' (3) MERCURY 1/4" WEEPHOLE UNUSED OUTLETS SHALL 8E PROFILE VIEW VENTED INVERTED "U': COMP. //1 COMP 2 GAL = 278 GALS. FLOAT SWITCHES TYPICAL 2" PVC. BALL CHECK VALVE PLUGGED WITH HYDRAULIC CEMENT =2200 GAL _ 1212 10 _ 5.5' PUMP OFF ELEV. = 0.82 0.5 H.P. HEAVY DUTY OUTLET PIPES SHALL BE LEVEL 26' SPI IN_ LET OUTLET 7.5' SUBMERSIBLE SEWAGE FOR AT LEAST TWO FEET EJECTOR PUMP < 53 SP2 , , :. . . .... BOTTOM OF PUMP 6" OF900 00400 00 0Q pp0p0G0$p d1 000$p 0p0ap0o 0 00000p CHAMBER ELEV. -0.18 SIONE°0 _ BELOW 00000 0 o SEPTIC TANK (H-20) $0040 oOFT'o 4 CAPACITY = 3,500 - GALLONS 6" OF 43 0160 00 uv00 00"0"g0000'A 000$00 00 PRECAST REINFORCED CONCRETE STONE ,c PROPOSED H-20 PUMP CHAMBER o0 0 B£Lowao CAPACITY = -2.44Q- GALLONS oll NOTE: UNLESS OTHERWISE NOTED, ALL PIPE TO BE DIMENSIONS SHOWN ARE BASED ON 4" DIAM. PVC TIGHT JOINT SCH. 40 SHOREY PRECAST CONCRETE PRODUCTS, ITEM # ST -2,000-H-20 (OR APPROVED EQUAL). PLOT PLAN SCALE: 1 in, = 30 ft. LEGEND ASSESSOR'S MAP 4 PARCEL 10 LOT AREA: 3.339 ACRES± 1' SP - PROPOSED CONTOUR LINE 2 EDGE OF ---XX--- EXISTING CONTOUR 1 MARSH © EXISTING CESSPOOL =lr� i W- WATER LINE 00 PROPOSED 2000 GALLON SEPTIC TANK 0o PROPOSED 2000 GALLON PUMP CHAMBER ff^ FLAG 0. PROPOSED DISTRIBUTION BOX PROPOSED LEACHING BED 1 /1 x 3 EXISTING SPOT ELEVATIONS -` --- TEST HOLE LOCATIONS_ - p PROPERTY LINE /! x 1 PROPOSED SPOT ELEVATION -OH- OVERHEAD UTILITIES '" • ��/�--"--������' ( ;. - -UGU- UNDERGROUND UTILITIES FG FINISHED GRADE OP K I', PATIO 1 \ UP UTILITY POLE CO ASS AL PATIO \ / TOF TOP OF FOUNDATION ELEVATION jl r - �'; / , EDGE OF 1#1149TIN / `= IP INSPECTION PORT o I I EXISTING •� 1 •' \ MARSH Q) I _ (' DWELLING �� C TOP •�� N LAMP -L„! N.- SILL=11.2 STAL BA pA / SILL 8.3 4) t `REL66ATE � gQ� Oi', F •• \ I ,� i' 1 /cj i/ FLOOD ZONE r /' UNDERGROUNDS UTILITIES G `\ "Al2" (EL -12) PROPOSED / / o o I \\ FO\ EROSION I \ / CONTROL /\ \ 1 r` o / o ORO \ \ �, _ -STEPS E LAMP 150' .� A 100' FROM THE TO _ r FROM WELL 00 •...,,,,�,:L,a-!'} �� �! OF COASTAL BANK / RESERVE -� --1� ELE�&BOX o•- �i MIRAFI 60OX STABILIZATION FABRIC 4" MIN LOAM AND SEED WITH CONSERVATION MIX GRASS SEED mrr� m,cse 2" CLEAN SAND 45' 4" CLEAN SAND 12" MIN. 8" COMPACTED GRAVEL BASE CLEAN SAND BOTH SIDES NOTES: THE COMPACTED GRAVEL BASE SHALL CONFORM TO MASS. HIGHWAY DEPT. EC. M1.03.1 FOR DENSE GRADE BASE GRAVEL, WITH NO STONES LARGER THAN INCHES AND SHALL BE COMPACTED IN TWO FOUR INCH LIFTS. REINFORCED GRASS ACCESS ROAD (NO SCALE) 411 L_... . ---- L. RISER. f`p±. F� Fri / ��_ ` 1 I O• I ' L�,', 0 EW AY - H -h[ ,aci� I cYi O FLOOD ZONE ` j �. i L_ 81 L 27 w _W I 1�\? - o / "Al2" (EL:12) i� J i ' X100' FROM THE EDGE c� r 100' FROM BOR ERING���S[/ \,// OF SALT MARSHA PROPOSED PROPOSED VEGETATED WETLAND yx �.`'\. �•' .' / I /�'. '� \WELL/ WATER LINE' DRIVEWAYLli _�:_.�-fir -�...�\, HOUSE i - FfrygY \ / LIMIT OF 5'/�• -__: /PROPOSED j OVERDIG, PROPOSED\SQUARE ON a �� EROSION STONE CONT CONTROL LIMIT OF FLOOD 1 g\ z / PROPOSED ZONE "V15 / _ EROSION CONTROL FLOOD ZONE/ BENCHMARK: TOP OF /PROPOSED % 7" _ "Al2" (EL:10) 12" GALVANIZED SPIKE. DRIVEWAY EL: =10.91 NGVD 1929EDGE 0 4F 1 VEGETATED WETLAND - (e L NATURAL GRADE WATER SURFACE EDGE OFWF 4 l ELEVATION = 5.7' POND \\ ---- \ f (2/04/08) Wl\5 FINISHED GRADE POND 46`� • _ -- __ _ �->- -, �-.- l r r� ERO �RlF1•+'f1G1 �91Fi y11}�y11F1 PROVIDE 3'29' 4" PERFORATED PVC RE BAR FOR THE WITH SCREW TYPE DETECTION _ CAP. RAISE TO WITHIN .(TOP OF BAR . J; -- _ J I CO 3" OF FINISHED FLUSH WITH \ / 1 f 1 i t 1;' � BY GRADE PVC CAP) V .'i,r t LOC p Op ��-� ! .•/ �• SED ° o LEACH FIELD \ EXTEND PORT TO ° •'N, / v ALL BOTTOM OF LEACH ° otr 4 I 4. FIELD o° \ IJP OR \ i FOU TYPICAL INSPECTION PORT DETAIL ' `=1'' S. '•V ALL ' 0,£G NO SCALE Y 1.5" BIT. CONC. SURFACE COURSE 2" BIT. CONC. BASE COURSE 12" GRAVEL BASE PREPARED SUBGRADE COMPACTED BACKFILL COMPACTED SELECT BACKFILL FORCE MAIN COMPACTED APPROVED GRAVEL BACKFILL 18" MIN. TYPICAL FORCE MAIN BEDDING DETAIL FR♦CEMAN No. 32655 J :��nessrW���Q- ,L STAKED HAYBALE EROSION CONTROL BARRIER DETAIL RAY OR STRAW BALE STAKED HAYBALES (NO SCALE) �fierD S{ 6 R TAMPED \ FLOW SOIL 2• z 2' STAKES DRIVEN 12' MIN. INTO THE GROUND TAMPED SION CONTROL NOTES SOIL FOLLOWING ARE GENERAL EROSION CONTROL SPECIFICATIONS TO BE EMPLOYED WHEN NSTRUCTION WORK IS TO TAKE PLACE ON SITE: THE CONTRACTOR SHALL OBTAIN AND BECOME FAMILIAR WITH THE ORDER OF CONDITIONS ISSUED THE TOWN OF YARMOUTH CONSERVATION COMMISSION REGARDING WORK IN AND AROUND THE US PROPERTY. PRIOR TO ANY DISTURBANCE OR ALTERATIONS OF ANY AREA ON THE SITE, A STAKED HAYBALE IMENT BARRIER OR SILT FENCE SHALL BE INSTALLED AS SHOWN HEREON. ONCE INSTALLED, THE STAKED HAYBALE SEDIMENT BARRIER SHALL BE MAINTAINED IN PLACE UNTIL AREAS UPGRADIENT FROM THE BARRIER HAVE BEEN STABILIZED AS SPECIFIED HEREIN. ALL DISTURBED AREAS NOT OTHERWISE DEVELOPED OR WHERE SPECIAL STABILIZATION MEASURES LANDSCAPE PLANTINGS ARE NOT PROPOSED SHALL BE LOAMED AND SEEDED OR SODDED, APPLY R INCHES OF LOAM TOPSOIL (MIN.), UNLESS OTHERWISE SPECIFIED. ALL AREAS OUTSIDE THE LIMIT OF WORK ARE TO BE LEFT UNDISTURBED. DURING THE SITE WORK, PERSONS AND EOUIPMENT SHALL STAY OUT OF THESE AREAS AND PRESERVE THE EXISTING ETATION. UPON FINAL GRADING, DISTURBED AREAS SHALL BE SEEDED WITH AN APPROPRIATE SEED MIX. 4" SCH-40 PERFORATED PVC DISTRIBUTION LINES - PERFORATIONS TO BE EVENLY SPACED ALONG NINE ROWS RUNNING THE LENGTH OF THE PIPE ON EACH SIDE BETWEEN THE INVERT AND THE CENTERLINE WHICH SEPARATES THE UPPER AND LOWER HALVES OF THE PIPE. PERFORATIONS SHALL HAVE A DIA. OF 3/8" TO 5/8" FG -VARIES FG=12x0 2" LAYER OF 1/8' - 3/8" DOUBLE WASHED STONE - J - ENO OF : r` , _ LEACH LINE INV= 9.50 TO BE CAPPED 3/4" - 1.5" FG= 12x3 LOCUS MAP SMITHS PONT ROAD UNCLE Q� ROBERT N COVE O UNCLE ROBERTS ROAD �o 2 GREAT ISLAND --LOCUS r6 �d0 SCALE: 1 in. = 2000 ft. BREAKOUT FG=12x0 ELEV-10.25 A DEEP TEST HOLE OBSERVATION LOG #2 DATE: 2/20/08 JOB: 0-10552 PERFORMED BY: LAURA SCHOFIELD WITNESSED BY: AMY VON HONE, YARMOUTH BON ELEVATION DEPTH FROM SOIL SOIL TEXTURE SOIL COLOR SOIL (FT) SURFACE (IN) HORIZON (USDA) (MUNSELL) MOTTUNG OTHER 12.6-11.9 0-8 A SANDY LOAM 10 YR 3/3 NO MASSIVE, V. FRIABLE 11.9-9.6 8-36 8 SANDY LOAM 10 YR 5/8 NO MASSIVE, FRIABLE 9.6-8.1 36-54 Cl SAND f0 YR 6/6 NO SGB, LOOSE 8.1-4.8 54-93 C2 SANDY LOAM 70 YR 5/4 NO SBK, EX. FORM 4.8-0.6 93-144 C3 SAND 70 YR 6/4 NO SGP, LOOSE COARSE PARENT GEOLOGICAL MATERIAL GLACIAL OUTWASH STANDING WATER IN HOLE: 128' (ELEV . 1.9) WEEPING FROM FACE: DEPTH TO BEDROCK: N/A ESTIMATED SEASONAL HIGH GROUNDWATER AT EL - 3.5 (INCLUDES A 1.6' CORRECTION FACTOR) PERCOLATION TEST: PERC. RATE < 2 MPI (ASSUMED) 3.5' 1 4" SCH-40 PERFORATED PVC DISTRIBUTION LINES - PERFORATIONS TO BE EVENLY SPACED ALONG NINE ROWS RUNNING THE LENGTH OF THE PIPE ON EACH SIDE BETWEEN THE INVERT AND THE CENTERLINE WHICH SEPARATES THE UPPER AND LOWER HALVES OF THE PIPE. PERFORATIONS SHALL HAVE A DIA. OF 3/8" TO 5/8" FG -VARIES FG=12x0 2" LAYER OF 1/8' - 3/8" DOUBLE WASHED STONE - J - ENO OF : r` , _ LEACH LINE INV= 9.50 TO BE CAPPED 3/4" - 1.5" FG= 12x3 LOCUS MAP SMITHS PONT ROAD UNCLE Q� ROBERT N COVE O UNCLE ROBERTS ROAD �o 2 GREAT ISLAND --LOCUS r6 �d0 SCALE: 1 in. = 2000 ft. BREAKOUT FG=12x0 ELEV-10.25 A DOUBLE WASHED 31' STONE CROSS-SECTION DTTOM OF SED VFW ELEV-8-5 A VARIANCE IS REQUESTED FROM THE YARMOUTH BOARD OF HEALTH REQUIREMENTS AS FOLLOWS: (3.7) FOUNDATION OF DWELLINGS SHALL NOT BE LESS THAN 2 FEET ABOVE THE HIGHEST POINT OF THE ROAD AFFRONTING EACH LOT. THE HIGH POINT IN THE ROAD IS EL 17.2, APPROX. 560 FEET WEST OF THE PROPOSED BUILDING. THE PROPOSED TOP OF FOUNDATION ELEVATION VARIES BETWEEN 12.1 TO 11.1. FINISHED GRADING IS TO SLOPE AWAY FROM BUILDINGS FOR A DISTANCE OF TEN FEET, MINIMUM. 1. GENERAL FURNISH AND INSTALL ONE COMPLETE PUMPING SYSTEM CONSISTING OF ONE SUBMERSIBLE SEWAGE PUMP AND MOTOR, DISCHARGE PIPING AND VALVES, MERCURY FLOAT SWITCHES LEVEL CONTROLS, HIGH WATER ALARM, SIMPLEX CONTROL PANEL AND A PRECAST CONCRETE TANK. ALL EQUIPMENT SHALL BE INSTALLED IN ACCORDANCE WITH THE MANUFACTURER'S SPECIFICATIONS AND WARRANTED FOR A PERIOD OF AT LEAST ONE YEAR UPON COMPLETION OF THE INSTALLATION, THE CONTRACTOR SHALL PROVIDE A SUFFICIENT QUANTITY OF CLEAN WATER TO CONDUCT PUMP OPERATION TESTS. 2. DOSING CHAMBER (PUMP STATION) THE PUMP CHAMBER SHALL BE A PRECAST CONCRETE STRUCTURE AS SHOWN ON THE DETAIL. USE A 2000 GALLON SEPTIC TANK. USE ST -2000-H-20 (H-20 MIN. LOADING) AS MANUFACTURED BY SHOREY OR AN APPROVED EQUAL. 3. PUMP AND MOTOR. PUMP AND MOTOR SHALL BE HEAVY DUTY SEWAGE -TYPE EJECTOR WITH A 2 -INCH DISCHARGE. PUMP AND MOTOR SHALL BE FULLY SUBMERSIBLE AND SHALL OPERATE AT 1750 RPM WITH A 115V, 60 CYCLE, SINGLE PHASE AC POWER SOURCE. THE ELECTRICAL CONTRACTOR SHALL VERIFY THAT PROPER VOLTAGE IS AVAILABLE AT THE CONTROL PANEL. USE A MYERS WHR5 OR AN APPROVED EQUIVALENT THE PUMP SHALL BE RATED AS FOLLOWS: A) 0.50 HP B) 71 GALLONS PER MINUTE C 17.0 FEET TOTAL DYNAMIC HEAD 4. LEVEL CONTROLS SEALED FLOAT -TYPE MERCURY SWITCHES SHALL BE SUPPLIED TO CONTROL THE SUMP LEVEL AND ALARM SIGNAL. TWO FLOAT SWITCHES SHALL BE USED TO CONTROL THE SUMP LEVEL; ONE FOR FOR PUMP "OFF" AND ONE FOR PUMP "ON". A THIRD SWITCH SHALL BE PROVIDED WITH A POWER SOURCE SEPERATE FROM THE PUMP POWER AND SHALL BE FOR THE ALARM UNIT. A NEMA -4 JUNCTION BOX FOR THE FLOAT SWITCHES SHALL BE INSTALLED ABOVE THE HIGH WATER LEVEL. THE FLOAT LEVEL CONTROLS SHALL BE SET TO OPERATE AT THE ELEVATIONS INDICATED ON THE PLANS. 5. CONTROL PANEL THE SIMPLEX CONTROL PANEL SHALL BE EQUIPPED WITH A RUN LIGHT FOR THE PUMP, PROPERLY SIZED CIRCUIT BREAKERS, A TRANSFORMER TO GIVE PROPER VOLTAGE TO THE CONTROL CIRCUITS AND A THREE-WAY PUMP CONTROL SWITCH. THE SWITCH POSITIONS ARE AS FOLLOWS: 1) PUMP OFF, 2) AUTOMATIC PUMP ON, AND 3) MANUAL PUMP ON. THE SIMPLEX CONTROL PANEL SHALL BE FOR A 115 V, 60 CYCLE, SINGLE PHASE AC POWER SUPPLY AND HOUSED IN A NEMA -1 ENCLOSURE. THE PANEL SHALL BE INSTALLED IN A SUITABLE LOCATION INSIDE THE BUILDING APPROVED BY THE HOMEOWNER. 6. ALARM A HIGH WATER ALARM SHALL BE SUPPLIED WITH BOTH AN AUDIBLE AND VISUAL ALARM WITH A SEPARATE POWER SUPPLY FROM THE PUMP. THE ALARM SHALL BE MOUNTED IN A NEMA -4 ENCLOSURE SEPARATE FROM THE MAIN PUMP CONTROL PANEL. AN ALARM SILENCER BUTTON SHALL BE PROVIDED TO SILENCE THE AUDIBLE ALARM WHILE THE VISUAL ALARM REMAINS LIT -- - --- UNTIL MANUALLY RESET. THE PANEL SHALL BE LOCATED ON THE OUTSIDE OF THE BUILDING AT A LOCATION APPROVED BY THE HOMEOWNER. 7. PIPING THE PUMP STATION DISCHARGE PIPING, FITTINGS AND SEWAGE FORCE MAIN SHALL BE 2 -INCH 200 PSI SDR -21 PVC. WITHIN THE PUMP CHAMBER, THE DISCHARGE PIPING SHALL INCLUDE THE FOLLOWING: 1) IN THE VERTICAL POSITION: A 2 -INCH BALL - TYPE, CHECK VALVE; AND 2) IN THE HORIZONTAL POSITION: A 2 -INCH BALL VALVE, AND A 2" QUICK DISCONNECT UNION. PIPING AND VALVES SHALL BE ARRANGED SO THAT THEY ARE EASILY ACCESSIBLE FROM THE PUMP CHAMBER MANHOLE COVER. FORCE MAIN SHALL BE LAID IN A "CLASS B" TRENCH BEDDING . ALL PIPING OUTSIDE THE PUMP CHAMBER WHICH IS LESS THAN FOUR (4) FEET BELOW FINAL FINISHED GRADE SHALL BE SURROUNDED WITH A MINIMUM OF TWO (2) INCHES OF RIGID STYROFOAM INSULATION. PROVIDE CONCRETE THRUST BLOCKING AT ALL FORCE MAIN BENDS WITH MINIMUM SOIL BEARING SURFACE AREA OF ONE SQUARE FOOT. 8. DOSING REQUIREMENTS PURSUANT TO 310 CMR 15.254: DOSING: THE SYSTEM HAS BEEN DESIGNED TO PROVIDE 4 DOSES PER DAY EQUAL TO 278 GALLONS PER DOSE. THIS VOLUME IS BASED ON A DESIGN FLOW OF 1100 GALLONS PER DAY DIVIDED BY 4, AND A FORCE MAIN FLOW -BACK VOLUME OF 12 GALLONS PER DOSE. ADDITIONAL STORAGE PROVIDED IN THE PUMP CHAMBER, ABOVE THE HIGH WATER LEVEL IS APPROXIMATELY 1372 GALLONS. IN THE EVENT OF A POWER FAILURE, THIS IS SUFFICIENT CAPACITY TO PROVIDE FOR APPROXIMATELY 28 HOURS OF STORAGE, BASED ON ESTIMATED PEAK DAILY FLOW. 9, CONCRETE SEALANT EXTERIOR SURFACES OF THE PUMP CHAMBER AND SEPTIC TANK SHALL BE SEALED WITH KAPPER'S BITUMASTIC TAR EPDXY OR APPROVED EQUAL. THICKNESS OF THE EPDXY SHALL BE 6 MIL. (TWO COATS). YARMOUTH BOARD OF HEALTH DATE: GENERAL NOTES 1. ELEVATIONS REFER TO NGVD 1929, SEE BENCHMARK ON PLAN 2, ALL CONSTRUCTION AND MATERIALS TO CONFORM TO TITLE 5 OF THE MASSACHUSETTS STATE ENVIRONMENTAL CODE AND THE BOARD OF HEALTH REQUIREMENTS FOR THE TOWN OF YARMOUTH. 3, ANY CHANGES TO THIS PLAN MUST BE APPROVED BY THE BOARD OF HEALTH AND SCHOFIELD BROTHERS OF CAPE COD. 4. FOR PROPER PERFORMANCE, THE SEPTIC TANK SHOULD BE INSPECTED AT LEAST ONCE PER YEAR. THE TANK SHOULD BE PUMPED WHEN THE TOTAL DEPTH OF SCUM AND SOLIDS EXCEEDS 1/3 OF ITS LIQUID DEPTH. 5. SCHOFIELD BROTHERS OF CAPE COD DOES NOT ASSUME RESPONSIBILITY FOR MATERIALS ENCOUNTERED DURING EXCAVATION. 6. ALL UNSUITABLE OR DELETERIOUS MATERIAL ENCOUNTERED MUST BE EXCAVATED AND REMOVED TO A HORIZONTAL DISTANCE OF 5' FROM ALL SIDES OF THE SOIL ABSORPTION SYSTEM. BACKFILL MUST BE CLEAN SAND MATERIAL MEETING TITLE 5 SPECIFICATIONS TO AN ELEVATION OF 10.25. CONTACT SCHOFIELD BROTHERS IF ANY DOUBT OR QUESTIONS ARISE REGARDING SOIL QUALITY. 7, INSTALLATION CONTRACTOR SHALL CONTACT SCHOFIELD BROTHERS FOR EXCAVATION INSPECTION AND PRIOR TO BACKFILLING FOR SYSTEM CERTIFICATION. 8. EXISTING CESSPOOL IS TO BE PUMPED, ABANDONED AND COLLAPSED OR FILLED WITH CLEAN SAND. 9. EXISTING & PROPOSED BUILDING SEWER INVERTS SHALL BE VERIFIED IN FIELD PRIOR TO COMPONENT INSTALLATION. CONFIRM PLUMBING CHANGES WITH PLUMBER PRIOR TO INSTALLATION OF ANY COMPONENTS. CONTACT SCHOFIELD BROTHERS IF SIGNIFICANT DISCREPANCIES EXIST. 10. SITE RESTORATION REQUIRES ALL STRIPPED TOPSOIL AND.SUBSOIL TO BE STOCKPILED AND REUSED AT OWNERS OPTION. RE -SPREAD OVER DISTURBED AREAS TO PROMOTE OPTIMAL GROWTH. 11. ALL SEPTIC SYSTEM COMPONENTS ARE DESIGNED FOR A MINIMUM H-20 LOADING. ANY COMPONENT THAT WILL BE SUBJECT TO VEHICLE OR OTHER HEAVY EQUIPMENT TRAFFIC SHALL BE INSTALLED WITH H-20 LOADING CAPACITY. 12. UNDERGROUND UTILITIES SHOWN ARE APPROXIMATE. CONTRACTOR SHALL VERIFY ALL UNDERGROUND UTILITIES PRIOR TO ANY EXCAVATION. 13. NO KNOWN WELLS EXIST WITHIN 200' OF THE PROPOSED LEACHING AREA EXCEPT THOSE THAT ARE SHOWN. 14. CONTRACTOR SHALL REFER TO THE ORDER OF CONDITIONS ISSUED BY THEYARMOUTHCONSERVATION COMMISSION DESIGN CALCULATIONS 1. ESTIMATED HYDRAULIC LOADING: 10 BEDROOMS AT 110 GPD PER BEDROOM = 1100 GPD GARBAGE GRINDER IS NOT ALLOWED WITH THIS DESIGN 2. SEPTIC TANK SIZE: AVERAGE DAILY FLOW = 1100 GPD X 2 DAYS = 2200 GALLONS 3500 TWO COMPARTMENT SEPTIC TANK PROVIDED 1100 GPD x 2 DAYS = 2200 GALLON FIRST COMPARTMENT 1100 GPD x 1 DAY = 1100 GALLON SECOND COMPARTMENT (MIN) 3. DESIGN PERCOLATION RATE = < 2 MINUTES PER INCH SOIL TEXTURE SANDS, CLASS I 310 CMR 15.242 EFFLUENT LOADING RATE = -_.0.74 GPD/SF 4. LEACHING AREA: TOTAL SQUARE FOOTAGE REQUIRED BY TITLE 5 = 1180 GPD +0.74 GPD/SF = 1487 SF REQUIRED. LEACHING AREA = 49' x 31' LEACHING BED, BOTTOM AREA ONLY = 1519 SF PROVIDED. 5. ACTUAL HYDRAULIC LOADING = 1100 GPD (SEE 1.) DESIGNED LEACHING AREA EXCEEDS LEACHING AREA REQUIRED UNDER BOTH TITLE 5 AND THE TOWN OF YARMOUTH BOARD OF HEALTH REGULATIONS FOR TEN BEDROOMS. 6. RESERVE AREA = 256 LINEAR FEET OF PRESSURE DOSED 2x2 LEACHING TRENCHES - 247' REQUIRED. PROPOSED SEWAGE DISPOSAL SYSTEM FOR: AN EXISTING 8 BEDROOM DWELLING AND PROPOSED 2 BEDROOM GUEST HOUSE (10 BEDROOMS, TOTAL) AT: 1149 GREAT ISLAND ROAD YARMOUTH, MASSACHUSETTS ASSESSOR'S MAP: 4 PARCEL: 10 APPLICANT: ROBERT & LYNN NICHOLAS TEL. NO.: (508) 775-1543 1405 29TH STREET WASHINGTON, DC 20007 JOB #:0-10552 . DATE: JUNE 20, 2008 DESIGNED BY: "tNa 4'- REV: JULY 22, 2008 pReWN sr UA. ,REV: SEPTEMBER 11, 2008 RJF / LAS t'l;F10FIEi� CHECKED BY: LAS / RJF r SCHOFIELD BROTHERS OF CAPE COD 64NNua1►W ENGINEERING - SURVEYING - PERMITTING P.Q. BOX 101, 161 CRANBERRY HIGHWAY ORLEANS, MA l - � ICJ Ilr 1 JL I.. ✓:. �' (J L �' 1.5' 3.5' 3.5 3.5' 3.5' 1 3.5' 3.5' 3.5' 3.5 1.5' DOUBLE WASHED 31' STONE CROSS-SECTION DTTOM OF SED VFW ELEV-8-5 A VARIANCE IS REQUESTED FROM THE YARMOUTH BOARD OF HEALTH REQUIREMENTS AS FOLLOWS: (3.7) FOUNDATION OF DWELLINGS SHALL NOT BE LESS THAN 2 FEET ABOVE THE HIGHEST POINT OF THE ROAD AFFRONTING EACH LOT. THE HIGH POINT IN THE ROAD IS EL 17.2, APPROX. 560 FEET WEST OF THE PROPOSED BUILDING. THE PROPOSED TOP OF FOUNDATION ELEVATION VARIES BETWEEN 12.1 TO 11.1. FINISHED GRADING IS TO SLOPE AWAY FROM BUILDINGS FOR A DISTANCE OF TEN FEET, MINIMUM. 1. GENERAL FURNISH AND INSTALL ONE COMPLETE PUMPING SYSTEM CONSISTING OF ONE SUBMERSIBLE SEWAGE PUMP AND MOTOR, DISCHARGE PIPING AND VALVES, MERCURY FLOAT SWITCHES LEVEL CONTROLS, HIGH WATER ALARM, SIMPLEX CONTROL PANEL AND A PRECAST CONCRETE TANK. ALL EQUIPMENT SHALL BE INSTALLED IN ACCORDANCE WITH THE MANUFACTURER'S SPECIFICATIONS AND WARRANTED FOR A PERIOD OF AT LEAST ONE YEAR UPON COMPLETION OF THE INSTALLATION, THE CONTRACTOR SHALL PROVIDE A SUFFICIENT QUANTITY OF CLEAN WATER TO CONDUCT PUMP OPERATION TESTS. 2. DOSING CHAMBER (PUMP STATION) THE PUMP CHAMBER SHALL BE A PRECAST CONCRETE STRUCTURE AS SHOWN ON THE DETAIL. USE A 2000 GALLON SEPTIC TANK. USE ST -2000-H-20 (H-20 MIN. LOADING) AS MANUFACTURED BY SHOREY OR AN APPROVED EQUAL. 3. PUMP AND MOTOR. PUMP AND MOTOR SHALL BE HEAVY DUTY SEWAGE -TYPE EJECTOR WITH A 2 -INCH DISCHARGE. PUMP AND MOTOR SHALL BE FULLY SUBMERSIBLE AND SHALL OPERATE AT 1750 RPM WITH A 115V, 60 CYCLE, SINGLE PHASE AC POWER SOURCE. THE ELECTRICAL CONTRACTOR SHALL VERIFY THAT PROPER VOLTAGE IS AVAILABLE AT THE CONTROL PANEL. USE A MYERS WHR5 OR AN APPROVED EQUIVALENT THE PUMP SHALL BE RATED AS FOLLOWS: A) 0.50 HP B) 71 GALLONS PER MINUTE C 17.0 FEET TOTAL DYNAMIC HEAD 4. LEVEL CONTROLS SEALED FLOAT -TYPE MERCURY SWITCHES SHALL BE SUPPLIED TO CONTROL THE SUMP LEVEL AND ALARM SIGNAL. TWO FLOAT SWITCHES SHALL BE USED TO CONTROL THE SUMP LEVEL; ONE FOR FOR PUMP "OFF" AND ONE FOR PUMP "ON". A THIRD SWITCH SHALL BE PROVIDED WITH A POWER SOURCE SEPERATE FROM THE PUMP POWER AND SHALL BE FOR THE ALARM UNIT. A NEMA -4 JUNCTION BOX FOR THE FLOAT SWITCHES SHALL BE INSTALLED ABOVE THE HIGH WATER LEVEL. THE FLOAT LEVEL CONTROLS SHALL BE SET TO OPERATE AT THE ELEVATIONS INDICATED ON THE PLANS. 5. CONTROL PANEL THE SIMPLEX CONTROL PANEL SHALL BE EQUIPPED WITH A RUN LIGHT FOR THE PUMP, PROPERLY SIZED CIRCUIT BREAKERS, A TRANSFORMER TO GIVE PROPER VOLTAGE TO THE CONTROL CIRCUITS AND A THREE-WAY PUMP CONTROL SWITCH. THE SWITCH POSITIONS ARE AS FOLLOWS: 1) PUMP OFF, 2) AUTOMATIC PUMP ON, AND 3) MANUAL PUMP ON. THE SIMPLEX CONTROL PANEL SHALL BE FOR A 115 V, 60 CYCLE, SINGLE PHASE AC POWER SUPPLY AND HOUSED IN A NEMA -1 ENCLOSURE. THE PANEL SHALL BE INSTALLED IN A SUITABLE LOCATION INSIDE THE BUILDING APPROVED BY THE HOMEOWNER. 6. ALARM A HIGH WATER ALARM SHALL BE SUPPLIED WITH BOTH AN AUDIBLE AND VISUAL ALARM WITH A SEPARATE POWER SUPPLY FROM THE PUMP. THE ALARM SHALL BE MOUNTED IN A NEMA -4 ENCLOSURE SEPARATE FROM THE MAIN PUMP CONTROL PANEL. AN ALARM SILENCER BUTTON SHALL BE PROVIDED TO SILENCE THE AUDIBLE ALARM WHILE THE VISUAL ALARM REMAINS LIT -- - --- UNTIL MANUALLY RESET. THE PANEL SHALL BE LOCATED ON THE OUTSIDE OF THE BUILDING AT A LOCATION APPROVED BY THE HOMEOWNER. 7. PIPING THE PUMP STATION DISCHARGE PIPING, FITTINGS AND SEWAGE FORCE MAIN SHALL BE 2 -INCH 200 PSI SDR -21 PVC. WITHIN THE PUMP CHAMBER, THE DISCHARGE PIPING SHALL INCLUDE THE FOLLOWING: 1) IN THE VERTICAL POSITION: A 2 -INCH BALL - TYPE, CHECK VALVE; AND 2) IN THE HORIZONTAL POSITION: A 2 -INCH BALL VALVE, AND A 2" QUICK DISCONNECT UNION. PIPING AND VALVES SHALL BE ARRANGED SO THAT THEY ARE EASILY ACCESSIBLE FROM THE PUMP CHAMBER MANHOLE COVER. FORCE MAIN SHALL BE LAID IN A "CLASS B" TRENCH BEDDING . ALL PIPING OUTSIDE THE PUMP CHAMBER WHICH IS LESS THAN FOUR (4) FEET BELOW FINAL FINISHED GRADE SHALL BE SURROUNDED WITH A MINIMUM OF TWO (2) INCHES OF RIGID STYROFOAM INSULATION. PROVIDE CONCRETE THRUST BLOCKING AT ALL FORCE MAIN BENDS WITH MINIMUM SOIL BEARING SURFACE AREA OF ONE SQUARE FOOT. 8. DOSING REQUIREMENTS PURSUANT TO 310 CMR 15.254: DOSING: THE SYSTEM HAS BEEN DESIGNED TO PROVIDE 4 DOSES PER DAY EQUAL TO 278 GALLONS PER DOSE. THIS VOLUME IS BASED ON A DESIGN FLOW OF 1100 GALLONS PER DAY DIVIDED BY 4, AND A FORCE MAIN FLOW -BACK VOLUME OF 12 GALLONS PER DOSE. ADDITIONAL STORAGE PROVIDED IN THE PUMP CHAMBER, ABOVE THE HIGH WATER LEVEL IS APPROXIMATELY 1372 GALLONS. IN THE EVENT OF A POWER FAILURE, THIS IS SUFFICIENT CAPACITY TO PROVIDE FOR APPROXIMATELY 28 HOURS OF STORAGE, BASED ON ESTIMATED PEAK DAILY FLOW. 9, CONCRETE SEALANT EXTERIOR SURFACES OF THE PUMP CHAMBER AND SEPTIC TANK SHALL BE SEALED WITH KAPPER'S BITUMASTIC TAR EPDXY OR APPROVED EQUAL. THICKNESS OF THE EPDXY SHALL BE 6 MIL. (TWO COATS). YARMOUTH BOARD OF HEALTH DATE: GENERAL NOTES 1. ELEVATIONS REFER TO NGVD 1929, SEE BENCHMARK ON PLAN 2, ALL CONSTRUCTION AND MATERIALS TO CONFORM TO TITLE 5 OF THE MASSACHUSETTS STATE ENVIRONMENTAL CODE AND THE BOARD OF HEALTH REQUIREMENTS FOR THE TOWN OF YARMOUTH. 3, ANY CHANGES TO THIS PLAN MUST BE APPROVED BY THE BOARD OF HEALTH AND SCHOFIELD BROTHERS OF CAPE COD. 4. FOR PROPER PERFORMANCE, THE SEPTIC TANK SHOULD BE INSPECTED AT LEAST ONCE PER YEAR. THE TANK SHOULD BE PUMPED WHEN THE TOTAL DEPTH OF SCUM AND SOLIDS EXCEEDS 1/3 OF ITS LIQUID DEPTH. 5. SCHOFIELD BROTHERS OF CAPE COD DOES NOT ASSUME RESPONSIBILITY FOR MATERIALS ENCOUNTERED DURING EXCAVATION. 6. ALL UNSUITABLE OR DELETERIOUS MATERIAL ENCOUNTERED MUST BE EXCAVATED AND REMOVED TO A HORIZONTAL DISTANCE OF 5' FROM ALL SIDES OF THE SOIL ABSORPTION SYSTEM. BACKFILL MUST BE CLEAN SAND MATERIAL MEETING TITLE 5 SPECIFICATIONS TO AN ELEVATION OF 10.25. CONTACT SCHOFIELD BROTHERS IF ANY DOUBT OR QUESTIONS ARISE REGARDING SOIL QUALITY. 7, INSTALLATION CONTRACTOR SHALL CONTACT SCHOFIELD BROTHERS FOR EXCAVATION INSPECTION AND PRIOR TO BACKFILLING FOR SYSTEM CERTIFICATION. 8. EXISTING CESSPOOL IS TO BE PUMPED, ABANDONED AND COLLAPSED OR FILLED WITH CLEAN SAND. 9. EXISTING & PROPOSED BUILDING SEWER INVERTS SHALL BE VERIFIED IN FIELD PRIOR TO COMPONENT INSTALLATION. CONFIRM PLUMBING CHANGES WITH PLUMBER PRIOR TO INSTALLATION OF ANY COMPONENTS. CONTACT SCHOFIELD BROTHERS IF SIGNIFICANT DISCREPANCIES EXIST. 10. SITE RESTORATION REQUIRES ALL STRIPPED TOPSOIL AND.SUBSOIL TO BE STOCKPILED AND REUSED AT OWNERS OPTION. RE -SPREAD OVER DISTURBED AREAS TO PROMOTE OPTIMAL GROWTH. 11. ALL SEPTIC SYSTEM COMPONENTS ARE DESIGNED FOR A MINIMUM H-20 LOADING. ANY COMPONENT THAT WILL BE SUBJECT TO VEHICLE OR OTHER HEAVY EQUIPMENT TRAFFIC SHALL BE INSTALLED WITH H-20 LOADING CAPACITY. 12. UNDERGROUND UTILITIES SHOWN ARE APPROXIMATE. CONTRACTOR SHALL VERIFY ALL UNDERGROUND UTILITIES PRIOR TO ANY EXCAVATION. 13. NO KNOWN WELLS EXIST WITHIN 200' OF THE PROPOSED LEACHING AREA EXCEPT THOSE THAT ARE SHOWN. 14. CONTRACTOR SHALL REFER TO THE ORDER OF CONDITIONS ISSUED BY THEYARMOUTHCONSERVATION COMMISSION DESIGN CALCULATIONS 1. ESTIMATED HYDRAULIC LOADING: 10 BEDROOMS AT 110 GPD PER BEDROOM = 1100 GPD GARBAGE GRINDER IS NOT ALLOWED WITH THIS DESIGN 2. SEPTIC TANK SIZE: AVERAGE DAILY FLOW = 1100 GPD X 2 DAYS = 2200 GALLONS 3500 TWO COMPARTMENT SEPTIC TANK PROVIDED 1100 GPD x 2 DAYS = 2200 GALLON FIRST COMPARTMENT 1100 GPD x 1 DAY = 1100 GALLON SECOND COMPARTMENT (MIN) 3. DESIGN PERCOLATION RATE = < 2 MINUTES PER INCH SOIL TEXTURE SANDS, CLASS I 310 CMR 15.242 EFFLUENT LOADING RATE = -_.0.74 GPD/SF 4. LEACHING AREA: TOTAL SQUARE FOOTAGE REQUIRED BY TITLE 5 = 1180 GPD +0.74 GPD/SF = 1487 SF REQUIRED. LEACHING AREA = 49' x 31' LEACHING BED, BOTTOM AREA ONLY = 1519 SF PROVIDED. 5. ACTUAL HYDRAULIC LOADING = 1100 GPD (SEE 1.) DESIGNED LEACHING AREA EXCEEDS LEACHING AREA REQUIRED UNDER BOTH TITLE 5 AND THE TOWN OF YARMOUTH BOARD OF HEALTH REGULATIONS FOR TEN BEDROOMS. 6. RESERVE AREA = 256 LINEAR FEET OF PRESSURE DOSED 2x2 LEACHING TRENCHES - 247' REQUIRED. PROPOSED SEWAGE DISPOSAL SYSTEM FOR: AN EXISTING 8 BEDROOM DWELLING AND PROPOSED 2 BEDROOM GUEST HOUSE (10 BEDROOMS, TOTAL) AT: 1149 GREAT ISLAND ROAD YARMOUTH, MASSACHUSETTS ASSESSOR'S MAP: 4 PARCEL: 10 APPLICANT: ROBERT & LYNN NICHOLAS TEL. NO.: (508) 775-1543 1405 29TH STREET WASHINGTON, DC 20007 JOB #:0-10552 . DATE: JUNE 20, 2008 DESIGNED BY: "tNa 4'- REV: JULY 22, 2008 pReWN sr UA. ,REV: SEPTEMBER 11, 2008 RJF / LAS t'l;F10FIEi� CHECKED BY: LAS / RJF r SCHOFIELD BROTHERS OF CAPE COD 64NNua1►W ENGINEERING - SURVEYING - PERMITTING P.Q. BOX 101, 161 CRANBERRY HIGHWAY ORLEANS, MA