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HomeMy WebLinkAbout46 Commonwealth Ave - Site Details 2DEEP OBSERVATION HOLE LOGS NO SCALE DATE OF TESTS: JULY 11, 2002 PERCOLATION RATE : LESS THAN 2 MINUTES PER INCH DROP IN THE C HORIZON IN DON # 1 AND DOH /2 WITNESSED BY : SEAN M. RILEY, CEC AMY VAN HONE , HEALTH AGENT DEEP OBSERVATION HOLE 1 EL = 59.01 DEPTH FROM SURFACE SOIL HORIZON SOIL TEXTURE SOIL COLOR MUNSELL SOIL MOTTLING OTHER 0' - 5' FILL BLUESTONE GRAVEL - 200 0%-5% 5' - 24' B COARSE SAND 10 YR 4/3 12' HDPE OUTLET 8' DIA. HDPE 24' - 124' C COARSE SAND 10 YR 6/2 NONE COMPAL SUBBASE IDEEP OBSERVATION HOLE 2 EL.= 59.0± DEPTH FROM SURFACE SOIL HORIZON SOIL TEXTURE SOIL COLOR MUNSELL SOIL MOTTLING OTHER 0' - 5' FILL BLUESTONE GRAVEL - 200 0%-5% 5' - 40' B COARSE SAND 10 YR 4/3 12' HDPE OUTLET 8' DIA. HDPE 40' - 124' C COARSE SAND 10 YR 6/2 NONE COMPAL SUBBASE PERC AT 50' NO GROUNDWATER ENCOUNTERED AT A DEPTH OF 124' NO GROUNDWATER ENCOUNTERED AT A DEPTH OF 124' DESIGN CALCULATIONS DESIGN FLOW: 1,740 S.F. OFFICE SPACE 0 75 G.P.D./1000 S.F. = 130.5 G.P.D. 18 EMPLOYEES 0 15 G.P.D./EMPLOYEE = 270.0 G.P.D. TOTAL DESIGN FLOW = 400.5 G.P.D. 400.5 GPD X 200% = 801 GALLONS - USE 1500 GALLON SEPTIC TANK, MIN. ALLOWED A 48'L x 7'W x 2'D. LEACHING CHAMBER CAN LEACH: Vt = 48 (2) 2 x .74 + 48 (7) x .74 + 7 (2) 2 X .74 = 411.4 GPD INSTALL:_ ONE ( 1) - 481 x 7W x 2' D (H-20) LEACHING CHAMBER VI: = 411.4 GPD > 400.5 GPD REQ'D. ONE ( 1) - 1500 GAL H-20, SEPTIC TANK, MINIMUM ALLOWED ONE ( 1) - DISTRIBUTION BOX, H-20 (5 OUTLET) NOTE: SITE IS LOCATED IN A ZONE 11 THE DAILY SEWAGE DISPOSAL SYSTEM DESIGN FLOW IS 400.5 G.P.D. < 440 G.P.D. LIMIT FOR THE SUBJECT PARCEL (42,100 S.F.) NOTES 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 REWIRES CHANGES IN DESIGN. . 7) THE INSTALLER SHALL ASCERTAIN THE LOCATION OF EXISTING UNDERGROUND UTILITIES PRIOR TO EXCAVATION, AND SHALL PROTECT UTILITIES WITHIN THE WORK AREA DURING CONSTRUCTION. 8) THE EXISTING SEWAGE DISPOSAL SYSTEM (INCLUDING CESSPOOLS) SHALL BE PUMPED, FILLED WITH SAND, AND ABANDONED; OR SHALL BE REMOVED WITH SURROUNDING CONTAMINATED SOILS AND BACKFILLED WITH CLEAN COARSE SAND. IF APPLICABLE: 9) FILL MATERIAL FOR SYSTEMS CONSTRUCTED IN FILL SHAM 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 THE4 SIEVE. THE FILL SHALL NOT CONTAIN ANY MATERIAL LARGER THAN 2 INCHES. THE MATERIAL THAT PASSES THE I4 SIEVE SHALL MEET THE FOLLOWING GRADATION REQUIREMENTS: TOP OF EXISTING SLAB ELEVATION - 60.91 SIEVE PERCENT SIZE PASSING RIM 56.20 - 10%_1100% 1540 100 0%-20% 200 0%-5% RAISE COVERS TO WITHIN 6' OF FINISH GRADE Yr 9' MIN. DTIOX ✓ 3 MAX. (H-20 4' DIA SCH 40 PVC PIPEff15DMO DROP-2' MIN - 3' MAX FLOW LR✓E 4' DIA SCH 40 PVC PIPE SEE 811.0* MIN. L �rnE::7;? 56.91 56.65 L -20) ESTIMATED HIGH GROUNDWATER CALCULATION N /A (USGS/CCC METHOD) INDEX WELL # ZONE DATE OF READING: DEPTH TO GROUNDWATER: GROUNDWATER LEVEL ADJUSTMENT: ACTUAL GROUNDWATER LEVEL 0 SITE: EL= ESTIMATED (MAX.) HIGH GROUNDWATER LEVEL: EL= FINISH GRADE` MINIMUM D'BOX INSIDE s MAX DIMDP"S 12'x12' 4' 1XA SCH 40 PVC PPE PE ORROW VW INVERT ALL ONE (1)- 481 x 7'W x 2'D LEACHING CHAMBER CONSTRUCT BY PLACING FOUR 8'-6' x 4'-10' x 2'-10' LEACHING CHAMBER UNITS END TO END WITH 2'-9' STONE ON ENDS AND i'-1' STONE ON SIDES. (USE 500 GALLON LEACH CHAMBER UNITS AS MANUFACTURED BY SHOREY PRECAST OR EQUAL). 1/T TO STONE Y-HY (H�� 58,24 SEPTIC TANK 56.40 56.17 0 56.00 ALL INV. 55.80 DEPTH W/SANITARY TEES 55.95 55.71 3/4' TO 1 1/Z' 55.56 55.3E DOUBLE WASHED STONE COMPACTED BASE 4' W B' LAYER OF ALL 53.80 - - THE MINIMUM SLOPE FOR t_ v r _, CRUSHED STOP PPE IS 1/8' PER FT CWAC10 BASE GAS BAFFLE{AS-BUILT EIEV IVP.) 5131 W/ C LAYER OF 'TUF-TTTE' OR CRUSHED STONE APPROVED EQUIVALENT LIQUID 22,E DEPTH OUTLET TEE DEPTH BELOW ROW LINE 4 FT 14 INCHES 3 FT 19 INCHES INSTALLER TO VERIFY OUTLET 8 FT 24 MOUES 7 FT 29 INCHES LME(S) EXITING D'BOX MUST REMAIN END VIEW LEVEL FOR 2-0' BG'ORE PITCHING DOWN TO LEACHING FACILITY 23' I Tet LONGEST RUN INVERT PRIOR TOOf SCHEMATIC ..FLOW PROFILE ANY SYSTEM COMPONENTS. S. NO NOTIFY - ENGINEER IF ELEVATION VARIES FROM PLAN. ALL INSTALLATIONS MUST CONFORM TO THE MINIMUM REQUIREMENTS OF TITLE 5 !II COMPONENT LOCATION INVERT ELEVATION CB -1 RIM 56.20 - 12' HDPE OUTLET 52.20 - -IL vw. wrc CS -2 RIM 54.80 18 12' HDPE OUTLET 8' DIA. HDPE MODIFY LEACHING CHAMBER DETAIL .' DESIGN NOTES ADD ; ll��' N o CATCH LB -1 OIL WATER SEPARATOR ELBOW COMPAL SUBBASE 1 12' HDPE OVERFLOW OUTLET •WELL SWR Na. I DAZE LB -2 .I BASIN 51.70 -DRAINED SA ISD OR GRAVEL 51.60 DMH 1 OIL WATER SEPARATOR ELBOW 12' HDPE INLET 58.40 Sl TE DETAILS 12' HDPE OUTLET 58.30 8/1/02 LB -3A & LB -38 Ln 58.20 r (? " _ SET ON SMR ° BA YNES ELECTRIC.,. i"WING NU. . ., 't neuunuur,f r, STAM 84SE - ...........w. ... ,. .....�.... AES BASE �• PAVEMENT do SUBBASE MATERIAL SHALL BE, 487 COMPACTED LTO 95 % MAX. DRY DENSITY (Based GENERAL NOTES: upon AASHTO T180 Method 0). REMOVE TOPSOIL 1) CATCH BASINS MUST BE SET ON A COMPACTED BASE AND ORGANId FILL MATER IAIS MATTER PRIOR TO PLACEMENT OF GENERAL NOTES: OR UNDISTURBED SOIL IN AREAS OF PROPOSED FILL 1) DRAN WE OLE MUST BE SET NOF PROPOSED MPACTEDFILLL. TYPICAL PICAL SECTION OR UNDISTUHRBED SOIL IN AREAS TYPICAL CATCH BASIN DETAIL TYPICAL DRAIN MANHOLE DETAIL NO SCALE THROUGH1 PROPOSED PAVEMENT NO SCALE NO SCALE 26' DUl HEAVY DUTY CAST IRON i FRPJJE COVER TO nNISH GRADE PRECAST CONC. RISERS W/ SEALED JOINTS FINISH GRADE I ., ; - _ I V SUBGRADE 48-0 4MIL ER ASTONE- _ ,. a.: ,__., I 0F 1/8L TO __�- BACKFILL :; VENTy 12' Dl4 HDPEr 6' DIA ,' .• ' ,' � � ..:' .•',>.:'•':. ; _ COMPACT TO 95•C MAXIMUM DRY. DENSITY VENT �• (OR 6 DUl SCH 40 PREC4ST , (AASHTO T 180 METHOD D) 0 o PVC ROOF LEADERS THROUGHOUT) LEACHING a s,' BASIN 3/4' TO 1 1/2' -20 DOUBLED WASHED STONE SPRNE iv BACKFILL II EMBEDMENT ` OF PIPE MATERIAL 2'-0' OR 6'-0' 2'-0' OR HAUNCHING TAMPED TO BEDDING -6' MAX. D'BOX PROVIDE FIORMAI 10' OR SUPPORT '12' (LB -1 k LB -2) DETAIL OF LEACHING CHAMBER NOTE. SDI IN WUNCHING` ZONE MUST BE TYPICAL SECTION THROUGH LEACHING BASIN COMPAGTEb TO 85% MAXIMUM DRY DENSITY (AASHTO TI 180 METHOD D) EMBEDMENT MATERIAL NO SCALE TO BE CLEAN PARTICLE SAND OR GRAVEL WITH MAXIMUM IZE OF 1 1/2' PIE INSTALLATION DETAIL FINISH GRADE` MINIMUM D'BOX INSIDE s MAX DIMDP"S 12'x12' 4' 1XA SCH 40 PVC PPE PE ORROW VW INVERT ALL ONE (1)- 481 x 7'W x 2'D LEACHING CHAMBER CONSTRUCT BY PLACING FOUR 8'-6' x 4'-10' x 2'-10' LEACHING CHAMBER UNITS END TO END WITH 2'-9' STONE ON ENDS AND i'-1' STONE ON SIDES. (USE 500 GALLON LEACH CHAMBER UNITS AS MANUFACTURED BY SHOREY PRECAST OR EQUAL). 1/T TO STONE Y-HY (H�� 58,24 SEPTIC TANK 56.40 56.17 0 56.00 ALL INV. 55.80 DEPTH W/SANITARY TEES 55.95 55.71 3/4' TO 1 1/Z' 55.56 55.3E DOUBLE WASHED STONE COMPACTED BASE 4' W B' LAYER OF ALL 53.80 - - THE MINIMUM SLOPE FOR t_ v r _, CRUSHED STOP PPE IS 1/8' PER FT CWAC10 BASE GAS BAFFLE{AS-BUILT EIEV IVP.) 5131 W/ C LAYER OF 'TUF-TTTE' OR CRUSHED STONE APPROVED EQUIVALENT LIQUID 22,E DEPTH OUTLET TEE DEPTH BELOW ROW LINE 4 FT 14 INCHES 3 FT 19 INCHES INSTALLER TO VERIFY OUTLET 8 FT 24 MOUES 7 FT 29 INCHES LME(S) EXITING D'BOX MUST REMAIN END VIEW LEVEL FOR 2-0' BG'ORE PITCHING DOWN TO LEACHING FACILITY 23' I Tet LONGEST RUN INVERT PRIOR TOOf SCHEMATIC ..FLOW PROFILE ANY SYSTEM COMPONENTS. S. NO NOTIFY - ENGINEER IF ELEVATION VARIES FROM PLAN. ALL INSTALLATIONS MUST CONFORM TO THE MINIMUM REQUIREMENTS OF TITLE 5 !II COMPONENT LOCATION INVERT ELEVATION CB -1 RIM 56.20 NO SCALE 12' HDPE OUTLET 52.20 CS -2 RIM 54.80 SMR 12' HDPE OUTLET 51.80 MODIFY LEACHING CHAMBER DETAIL .' DESIGN NOTES ADD ; 2 LB -1 12HDPE INLET 51.70 1 12' HDPE OVERFLOW OUTLET 51.60 SWR Na. I DAZE LB -2 12' HDPE INLET 51.70 12' HDPE OVERFLOW OUTLET 51.60 DMH -1 12' HDPE INLET 58.40 Sl TE DETAILS 12' HDPE OUTLET 58.30 8/1/02 LB -3A & LB -38 12' HDPE INLET 58.20 r (? " _ I NO SCALE 3 9/16/ 2, REVISE DETAILS SMR MODIFY LEACHING CHAMBER DETAIL .' DESIGN NOTES ADD ; 2 9/4 2 SDS AS -BUILT ELEAvnoNS TD SCHEl1ATIC FLOW PROFILE SMR 1 8/6%2 REVISE ,TYPICAL LEACHING BASIN SECTION ' SWR Na. I DAZE REVISION - BY EET TITLE PROJECT NO. C15728.00 4t.DATE Sl TE DETAILS AS -NOTED r .a• _ 8/1/02 et;ar: P. �C ;> wmTWN r (? " _ SMR ° BA YNES ELECTRIC.,. i"WING NU. . ., 't neuunuur,f r, •.r 1 - ...........w. ... ,. .....�....