Loading...
HomeMy WebLinkAbout96.37 - Septic Design (Copy 2)SOIL TEST PIT DATA: JANUARY 29, 2003 SEPTIC TANK DETAIL: 1,500 GALLON NOT TO SCALE TEST PIT T- 'TEST PIT 2 NOTES: 1. SEPTIC TANK SHALL BE STEEL 5. INLET AND OUTLET TEES TO BE CAST IRON, 29 6 308 SCHED 40 PVC OR CAST IN CRETE DISTRIBUTION BOX DETAIL: NOT TO SCALE LEACHING DETAIL: NOT TO SCALE NO. OF OUTLETS: 5 15.01 FINISHED GRADE o0 0 _o.P 00 000 0 0 0 0 0 0 0 0 0 0 0 0 GRD. EL. � GRD. EL. - REINFORCED CONCRETE. --PL.ACE CON o 0 0 0 0 0 0 0 0 0 0 0 0 o 0 0 0 o 0 0 0 o 0 0 0 0 21.2 N/A 2. SEPTIC TANK TO WITHSTAND H-10 LOADING TEES TO BE CENTERED UNDER MANHOLE COVER. REMOVABLE 2" WALLS o o c EST. HIGH GW. EST. HIGH GW. COVER _ _ NOTES: 111 4" 111 T L li LOAMY SND 10YR 5 4 EL = 26.6 2 C MEDIUM SAND 2.5Y 6/4 101 44" LOAMY SND 10YR OND EL = 28.8 MEDIUM SAND 2.5Y 6/4 UNLESS UNDER PAVEMENT, DRIVES OR ° ° 2 UNITS ACH SIDE 00 TRAVELED WAYS, WHEREIN H-20 LOADING , 1. DIST. BOX TO WITHSTAND H-10 LOADING °° 501, 10' SHALL APPLY. .�•n..,�:n..,�.n....,:n..• 2' rwKA�ne o o HIG DENSITY HIGH GROUNDWATER COMPUTATION UNLESS UNDER PAVEMENT, DRIVES OR o 0 o ]0" 3. ALL PIPE CONNECTIONS AND CONCRETE o o POLYETHYLENE INFILTRAT 3050 1 11 CONSTRUCTION SHALL BE WATERTIGHT. 2-24" DIA CONCRETE MANHOLES TRAVELED WAYS WHEREIN H-20 LOADING °0 4 PVC 00 00 4. FILL ALL USED KNOCKOUTS WITH W/ METAL HANDLES BROUGHT 1 15" pO ° PIPE o 0 0 000 00c0 00 0o0 00° °000 0° °o° °o 0 0°0 0 °o 0.000o DEPTH TO BOTTOM OF HOLE 12' T8 6" OF FINISH GRADE T I SHALL APPLY. MORTAR. 6" 5,5' WTLETS 8" _i 2. PROVIDE INLET TEE OR BAFFLE WHERE 1- 201 24" INDEX WELL A1230 TEE TO BE UNDER 1 SLOPE OF PIPE EXCEEDS 0.08 FT./FT OR PLAN VIEW -LEACHING C MBERS WATER LEVEL RANGE ZONE C M.H. OPENING T IN PUMPED SYSTEM. CURRENT DEPTHONDEX WELL(1/03) 24.1 3y L_ 2" 3. FIRST TWO FEET OF PIPE OUT OF DIST. WATER LEVEL ADJUSTMENT 3.6' RAISE M.H W f ._ 4" BO�LEVEL 6" MN _ ,4" TO LOAM & SEED DISTURB AREAS DEPTH TO ADJUSTED HKlI WATER 8.4' 10'-6' SEWER BRICK yi BOX TO BE LAID LEVEL • ' !•. • : ::..:.: • STABLE BASE 10'-0' k MORTAR a CROSS-SECTION 1 1/2" CRUSHED 4. ALL PIPE CONNECTIONS AND CONCRETE NORMALWATER 72& -7 STOONNE BASE CONSTRUCTION SHALL BE WATERTIGHT. 3 AX• COMPACTED FILL 36" MAXIMUM 1 "MINIMUM .a 3" 0 00 0° 0 000 00 00 PRECAST SEPTIC TANK T •r INLET TEE � 5•_7' 4'-6' 4'-0" MIN. •�• a 5-8. 15 1/2- 5'-8 5 UOLAD DEPTH INDICATES ~ 1 144" w ESTIMATED•:: s �!!!!!!� • •• • • • �!!!!!!!!!!!!1 �!!!!!!!O!!!!; • •DENSITY�• • !!!!!! 1 24" !!!!!r .POLYETHYLENE EFFEC. INFILTRATOR 30 DLEACHTNG ►�l�l�l�l�l�t;. •CHAMF0' �I� • •):.1.11lll.1 1 EL = 17.6 - EL = 18.8 = SEASONAL HIGH BOTTOM ON LEVEL STABLE BASE 10' OUTLET ` z DIST. BOX I -F DATE: DATE: GROUND WATER PLAN VIEW ql �R►R.yAlC�3 6 MIN. TO 1/Y F 20' - I I/29/03 1/29/03 INDICATES - S CROSS-SECTTON VIEW 1 1/2' STONE PLAN Ham' CROSS-SECTION OFC ER TEST BY: TEST BY: _ V OBSERVED THE BSC GROUP, INC. THE BSC GROUP, INC. - GROUND WATER WITNESSED BY: WITNESSED BY: INDICATES AMY VON HONE AMY VON HONE PERC. PERC. RATE: PERC. RATE: TEST <2 MIN./INCH <2 MINJINCH SOIL EVALUATOR SOIL EVALUATOR INDICATES CRAIG FIELD CRAIG FIELD UNSUITABLE MATERIAL SOIL CLASS: SOIL CLASS: t 1 L.T.A.R L.T.A.R. 0.74 G.P.D.ISQ.17. 0.74 G.P.D./SQ.FT. DATUM: I VERTICAL DATUM: NGVD BENCH MARK USED: TOWN OF YARMOUTH MONUMENT #15 ELEV.=74.22 BENCH MARK SET: SOUTHERLY CORNER OF HEADWALL ON LOCUS PROFILE: NOT TO SCALE EL- A TOP FOUNDATION FIRST PIPE LENGTH CONCRETE COVERS TO WITHIN 7/TO BE SET LEVEL EL -30.7 6' OF FINISHED GRADE. FOR MIN. 2' FINISH GRADE EL -29.6-29.9 ESTIMATED GROUNDWATER ELEVATION 21.2 J VARIANCES REQUESTED: TOWN OF YARMOUTH VARIANCE REQUEST: 1.) SECTION 3.7: TOP OF FOUNDATION TO BE 0.1' ABOVE PROPOSED FINISHED GRADE AT HIGH POINT IN ROAD. H.P. =31.1 ZONE II NOTE: AS THE LOT IS LOCA -D :N A ZONE II, THE OVERALL AREA OF THE OPEN SPACE SUBDIVISION WAS TAI<FNN'T,:, >4.uC0!jNT TO ALLOW 4 BEDROOMS. BRUSH HILL ROAD � I � ® 40' WIDE PUBLIC , ( /' DESIGN CRIT ERA 31J NOR 7w/ 0 0 LOT 2 \ N/F \ YARMOUTH HOUSING AUTHORITY ASSESSORS MAP 96 PARCEL 36 w LEGEND N 29.8 SPOT ELEVATION z T.O.F. TOP OF FOUNDATION F.F. FIRST FLOOR SUBFLOOR X 31.7 CB ' DESIGN FLOW G 4 BEDROOMS AT 110 .P.B. D 440 G.P.D. Z-5 10° '53" E 107.15' 0 I / AbLWALL B CHMARK EHH REQUIRED SEPTIC TANK 20' WIDE SLOPE / SOU RLY OF 440 X 200% = 880 GAL. 16.2' DRAIN & NO FILL �Za CORNER F/ /; �cnAlss� V, EASEMENT TANK PROVIDE = 1500 GAL. _ EASEMENT / HEADWALL u FIELD v No.38039 /2 NISTREE LINE EV 30.98 1A SIZE OF LEACHING FACILITY REQUIRED: n-,-� DESIGN PERC. RATE. <2 MIN./ INCH 7 0 LONG TERM APPL. RATE ,4 G.P.D/S.F. 8 29.6 C f� pY 440 GPD + s fi 0,74 GPD SF = 596 S.F. �_ s LIMITS OF SIZE OF LEACHING FAC ITY PROVIDED: 14 9Ono EXCAVATION M _ F2-9.75 PROPOSED SEE NOTES USE HIGH DENSITY P LYETHYLENE vi S.A.S. 5 AND 6 [LEACHING CHAMBERS( UNITS) 10'X2'X40' 10'x40' l SIDEWALL = 2(10'4-400 X 2' = 200 ' TT. CONIC. I, - L. ... .. ' ..-- _ 29.5---- - -. , ? W _ BuTTaM = 10' X' 4 = 400 - LOT 4 RIVE I ....... I:: - Q _ N/F 600S.F, 29 _ - - --I :: a YARMOUTH HOUSING 600 S,F x 0.74 GPD/ = 444GPD �- - - . • • . I AUTHORITY ASSESSORS MAP 96 1 "D" BOX ST PIT 1 1 - 10'MIN. PARCEL 38 ......' ..... GENERAL NOTES: �-------_- -- � 30 4 O O T / 1. THIS PLAN IS FOR DESIGN AND LOCUS IN RMATION 31 I 225' S S CONSTRUCTION OF THE SEWAGE o' 1500 GALLON i DISPOSAL FACILITY ONLY. SEPTIC TANK 2. ALL CONSTRUCTION METHODS AND CURRENT OWNER: YAR UTH HOUSING AUTHORITY 30.8 MATERIALS SHALL CONFORM TO MASS. D.E.P TITLE 5 AND LOCAL BOARD TITLE REFERENCE: BOOK 6969. PAGE 63 .� OF HEALTH REGULATIONS. ALL PIPES LOCATED UNDER PAVEMENT 3 .5 3015 a;' 0 30 5 4OR TRVELED 0 TRAVELED WAY SHALL BE SCHEDULE PLAN REFERENCE: BOO 69, PAGE 97 �,�G� 4. THERE ARE NO KNOWN PRIVATE WELLS ASSESSORS MAP: 96 3I RAM1P ✓ y O LOCATED "THIN 150 FT. OF THE PARCEL: 37 M PROPOSED LEACHING FACILITY NOR I LOT 3 ANY KNOWN WELLS PROPOSED WITHIN ZONING DISTRICT: R-40LISTER SUBDIVISION 150' OF ANY KNOWN LEACHING FACILITY. SETBACKS: FRO 25' N/F ( 5. WITHIN LIMIT OF EXCAVATION REMOVE SIDE 12' 3.1, 31.7 ARMOUTH HOUSING AUTHORITY ALL TOPSOIL, SUBSOIL AND OTHER REAR 20' 32.4 } IMPERVIOUS MATERIAL 6' ASSESSORS MAP 96 I p 8. REPLACE WITH CLEAN WASHED SAND MINIMUM LOT SIZE: 10,000 .F. \ PARCEL 37 OR OTHER CLEAN GRANULAR SOILS HIST. TOTAL LOT AREA: 15.001 .F TEST CONFORMING To THE Fou_owNc Sti 15,001±S.F.DTT 2 I SIEVE (MAX BY WT. SHALL OVERLAY DISTRICT: ZONE AQUIFER PROT. DIST. 10%PROPOSED PASS No. 50 SIEVE FEMA FLOOD ZONEc• O 4 BEDROOMS _ <10 SOF N . SIEVE SHALL ZONE DISTRICT: P #250015 0003 C Z c5 1c OF No. 4 SIEVE SHALL 0.4 TOF. 31.2 (') PASS No. 200 F.F. 32.4 �3� I UNIFORMITY COEFFICIENT O No. 4 \ / SIEVE t/-6.0 / ' 30.5 7.6 7. EXISTING UTILIT1Es W71ERE SHOWN LOCUS PLAN' ❑ SCALE 7C ENCLOSED I� ` IN THE DRAWINGS ARE APPROXIMATE W �� THE CONTRACTOR SHALL BE RESPON- 11 / / SIBLE FOR PROPERLY LOCATING AND I RAMP PORCH C.S. - COORDINATING THE PROPOSED CON- 6A- G / SIRUCTION ACTIVITY WITH DIG -SAFE FILE Copy 00 4� [V � 00 M rt �v m� OUTLET ` z DIST. BOX I -F O� ' LAYER J'd. SEPTIC TANK zi BOTTOM EL- H EMOVE 10 ® - v NSUITABLE EST. MGH GROUNDWATER j J INVERT ELEVATIONS: y TOP OF FOUNDATION 31.2 A 4" INVERT AT BUILDING 28.91 B 4" INVERT AT SEPTIC TANK (IN) 28.69 C 4" INVERT AT SEPTIC TANK (OUT) 28.44 D 4" INVERT AT DIST. BOX (IN) 28.39 E 4" INVERT AT DIST. BOX (OUT) 28.22 F INVERTS AT LEACHING FACILITY: `) 4" INVERT AT BEGINNING in OF LEACHING CHAMBER 28.2 G BREAKOUT 28.7 ELEVATION AT BOTTOM OF LEACHING CHAMBER 26.2 H ESTIMATED GROUNDWATER ELEVATION 21.2 J VARIANCES REQUESTED: TOWN OF YARMOUTH VARIANCE REQUEST: 1.) SECTION 3.7: TOP OF FOUNDATION TO BE 0.1' ABOVE PROPOSED FINISHED GRADE AT HIGH POINT IN ROAD. H.P. =31.1 ZONE II NOTE: AS THE LOT IS LOCA -D :N A ZONE II, THE OVERALL AREA OF THE OPEN SPACE SUBDIVISION WAS TAI<FNN'T,:, >4.uC0!jNT TO ALLOW 4 BEDROOMS. BRUSH HILL ROAD � I � ® 40' WIDE PUBLIC , ( /' DESIGN CRIT ERA 31J NOR 7w/ 0 0 LOT 2 \ N/F \ YARMOUTH HOUSING AUTHORITY ASSESSORS MAP 96 PARCEL 36 w LEGEND N 29.8 SPOT ELEVATION z T.O.F. TOP OF FOUNDATION F.F. FIRST FLOOR SUBFLOOR X 31.7 CB ' DESIGN FLOW G 4 BEDROOMS AT 110 .P.B. D 440 G.P.D. Z-5 10° '53" E 107.15' 0 I / AbLWALL B CHMARK EHH REQUIRED SEPTIC TANK 20' WIDE SLOPE / SOU RLY OF 440 X 200% = 880 GAL. 16.2' DRAIN & NO FILL �Za CORNER F/ /; �cnAlss� V, EASEMENT TANK PROVIDE = 1500 GAL. _ EASEMENT / HEADWALL u FIELD v No.38039 /2 NISTREE LINE EV 30.98 1A SIZE OF LEACHING FACILITY REQUIRED: n-,-� DESIGN PERC. RATE. <2 MIN./ INCH 7 0 LONG TERM APPL. RATE ,4 G.P.D/S.F. 8 29.6 C f� pY 440 GPD + s fi 0,74 GPD SF = 596 S.F. �_ s LIMITS OF SIZE OF LEACHING FAC ITY PROVIDED: 14 9Ono EXCAVATION M _ F2-9.75 PROPOSED SEE NOTES USE HIGH DENSITY P LYETHYLENE vi S.A.S. 5 AND 6 [LEACHING CHAMBERS( UNITS) 10'X2'X40' 10'x40' l SIDEWALL = 2(10'4-400 X 2' = 200 ' TT. CONIC. I, - L. ... .. ' ..-- _ 29.5---- - -. , ? W _ BuTTaM = 10' X' 4 = 400 - LOT 4 RIVE I ....... I:: - Q _ N/F 600S.F, 29 _ - - --I :: a YARMOUTH HOUSING 600 S,F x 0.74 GPD/ = 444GPD �- - - . • • . I AUTHORITY ASSESSORS MAP 96 1 "D" BOX ST PIT 1 1 - 10'MIN. PARCEL 38 ......' ..... GENERAL NOTES: �-------_- -- � 30 4 O O T / 1. THIS PLAN IS FOR DESIGN AND LOCUS IN RMATION 31 I 225' S S CONSTRUCTION OF THE SEWAGE o' 1500 GALLON i DISPOSAL FACILITY ONLY. SEPTIC TANK 2. ALL CONSTRUCTION METHODS AND CURRENT OWNER: YAR UTH HOUSING AUTHORITY 30.8 MATERIALS SHALL CONFORM TO MASS. D.E.P TITLE 5 AND LOCAL BOARD TITLE REFERENCE: BOOK 6969. PAGE 63 .� OF HEALTH REGULATIONS. ALL PIPES LOCATED UNDER PAVEMENT 3 .5 3015 a;' 0 30 5 4OR TRVELED 0 TRAVELED WAY SHALL BE SCHEDULE PLAN REFERENCE: BOO 69, PAGE 97 �,�G� 4. THERE ARE NO KNOWN PRIVATE WELLS ASSESSORS MAP: 96 3I RAM1P ✓ y O LOCATED "THIN 150 FT. OF THE PARCEL: 37 M PROPOSED LEACHING FACILITY NOR I LOT 3 ANY KNOWN WELLS PROPOSED WITHIN ZONING DISTRICT: R-40LISTER SUBDIVISION 150' OF ANY KNOWN LEACHING FACILITY. SETBACKS: FRO 25' N/F ( 5. WITHIN LIMIT OF EXCAVATION REMOVE SIDE 12' 3.1, 31.7 ARMOUTH HOUSING AUTHORITY ALL TOPSOIL, SUBSOIL AND OTHER REAR 20' 32.4 } IMPERVIOUS MATERIAL 6' ASSESSORS MAP 96 I p 8. REPLACE WITH CLEAN WASHED SAND MINIMUM LOT SIZE: 10,000 .F. \ PARCEL 37 OR OTHER CLEAN GRANULAR SOILS HIST. TOTAL LOT AREA: 15.001 .F TEST CONFORMING To THE Fou_owNc Sti 15,001±S.F.DTT 2 I SIEVE (MAX BY WT. SHALL OVERLAY DISTRICT: ZONE AQUIFER PROT. DIST. 10%PROPOSED PASS No. 50 SIEVE FEMA FLOOD ZONEc• O 4 BEDROOMS _ <10 SOF N . SIEVE SHALL ZONE DISTRICT: P #250015 0003 C Z c5 1c OF No. 4 SIEVE SHALL 0.4 TOF. 31.2 (') PASS No. 200 F.F. 32.4 �3� I UNIFORMITY COEFFICIENT O No. 4 \ / SIEVE t/-6.0 / ' 30.5 7.6 7. EXISTING UTILIT1Es W71ERE SHOWN LOCUS PLAN' ❑ SCALE 7C ENCLOSED I� ` IN THE DRAWINGS ARE APPROXIMATE W �� THE CONTRACTOR SHALL BE RESPON- 11 / / SIBLE FOR PROPERLY LOCATING AND I RAMP PORCH C.S. - COORDINATING THE PROPOSED CON- 6A- G / SIRUCTION ACTIVITY WITH DIG -SAFE FILE Copy 00 4� [V � 00 M rt �v 1% slope AND THE APPLICABLE UTILITY Yarm nth Her, th Department COMPANY AND MAINTAINING THE _•► BUILDING o EXISTING UTILITY SYSTEM IN SERVICE,I�ir���' ' O� DIG -SAFE SHALL BE NOTIFIED PER 30.4 ENVELOPE THE STATE OF MASSACHUSETTS (/ NOTE 30.6 30.4 STATUTE CHAPTER 82, SECTION 409 PENN ;a, e p?te AT TEL 1-888-34T GUAR. THE CENTR gL Q� ------ � ---- `--------------------- --1 ENGINEER DOES NOT GUARANTEE ROADWAY UNDER CONSTRUCTION. ----- RESERVE 4'x87' I THEIR ACCURACY OR THAT ALL ]� 1C AS SUCH THE FINISHED ROAD �--k N _ _ UTILITIES AND SUBSURFACE STRUCTURES 9 c-- -5------------- - ARE SHOWN. LOCATIONS AND GRADE WILL BE HIGHER G 31 / EELEVATITAKEN ��OF�U�DRGROUSD UTILITIES THE N O N THAN EXISTING GRADE. o 2 CONTRACTOR SHALL VERIFY SIZE, ~ X 31.6 �� LOCATION AND INVERTS OF UTILITIES 1, / / AND STRUCTURES AS REQUIRED PRIOR D" L CUs N/FPLAN To THE START OF CONSTRUCTION. CB/DH N l0°34'53" W 107.15' / CB/DH 8. THIS SYSTEM IS NOT DESIGNED FOR 6 I E 1111 SET / THE USE OF A GARBAGE GRINDER. EXIT 7 EXI 8 YARMOUTH HOUSING AUTHORI'T'Y PEN SPACE / SET A GARBAGE GRINDER IS NOT SCALE: 1' = 10 FEET ASSESSORS MAP 96 / RECOMMENDED DUE TO RECOGNIZED ADVERSE IMPACTS TO THE LEACHING PARCEL 34 FACILITY. 0 5 .(UN cel 0 cq CO W co 0202 co cit E o c�1 �xMM z�ccCO k� C\2 z zH ow A xx d rn U W a" x .� W E- „a 0 x E U] Z :R x o a CIO 0 CO '- zo�o W A A a A oxavi ca H ox P. a o � x a DATE: 6/t#/09 REVISIONS: vft/os # s8xxo Q/t!/Os .cag. mum. 7/2f/os sr05, 'ilf2/os &. w.dssx c/8/0# .9y.Yu8i) 91ox 140.MJ9xZCB930.N' DRAWN 9'Fl,Xw PROJ. #: 11-8f 9#. 0! DRAWING NO.: �2 'ILE COPY m� O� ' LAYER EASTONE EMOVE ® - v NSUITABLE j ATERIAL FOR y o ALL AROUND00 N F APPLICABLE u 000 1 1/2' C y cO 00 t\ SHED STONEW r� 0° o `) 7 in z Pq0 �E rq W � o CO m zoCODo x F p" 06 z oMa a F c U ICI � � 1% slope AND THE APPLICABLE UTILITY Yarm nth Her, th Department COMPANY AND MAINTAINING THE _•► BUILDING o EXISTING UTILITY SYSTEM IN SERVICE,I�ir���' ' O� DIG -SAFE SHALL BE NOTIFIED PER 30.4 ENVELOPE THE STATE OF MASSACHUSETTS (/ NOTE 30.6 30.4 STATUTE CHAPTER 82, SECTION 409 PENN ;a, e p?te AT TEL 1-888-34T GUAR. THE CENTR gL Q� ------ � ---- `--------------------- --1 ENGINEER DOES NOT GUARANTEE ROADWAY UNDER CONSTRUCTION. ----- RESERVE 4'x87' I THEIR ACCURACY OR THAT ALL ]� 1C AS SUCH THE FINISHED ROAD �--k N _ _ UTILITIES AND SUBSURFACE STRUCTURES 9 c-- -5------------- - ARE SHOWN. LOCATIONS AND GRADE WILL BE HIGHER G 31 / EELEVATITAKEN ��OF�U�DRGROUSD UTILITIES THE N O N THAN EXISTING GRADE. o 2 CONTRACTOR SHALL VERIFY SIZE, ~ X 31.6 �� LOCATION AND INVERTS OF UTILITIES 1, / / AND STRUCTURES AS REQUIRED PRIOR D" L CUs N/FPLAN To THE START OF CONSTRUCTION. CB/DH N l0°34'53" W 107.15' / CB/DH 8. THIS SYSTEM IS NOT DESIGNED FOR 6 I E 1111 SET / THE USE OF A GARBAGE GRINDER. EXIT 7 EXI 8 YARMOUTH HOUSING AUTHORI'T'Y PEN SPACE / SET A GARBAGE GRINDER IS NOT SCALE: 1' = 10 FEET ASSESSORS MAP 96 / RECOMMENDED DUE TO RECOGNIZED ADVERSE IMPACTS TO THE LEACHING PARCEL 34 FACILITY. 0 5 .(UN cel 0 cq CO W co 0202 co cit E o c�1 �xMM z�ccCO k� C\2 z zH ow A xx d rn U W a" x .� W E- „a 0 x E U] Z :R x o a CIO 0 CO '- zo�o W A A a A oxavi ca H ox P. a o � x a DATE: 6/t#/09 REVISIONS: vft/os # s8xxo Q/t!/Os .cag. mum. 7/2f/os sr05, 'ilf2/os &. w.dssx c/8/0# .9y.Yu8i) 91ox 140.MJ9xZCB930.N' DRAWN 9'Fl,Xw PROJ. #: 11-8f 9#. 0! DRAWING NO.: �2 'ILE COPY