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HomeMy WebLinkAbout46 Commonwealth Ave - Site DetailsDEEP OBSERVA TION HOLE LOGS NO SCALE .. DATE OF TESTS: JULY, 11, 2002 PERCOLATION RATE : LESS THAN 2 MINUTES PER INCH DROP IN THE C HORIZON IN DOH #,1 AND DOH 12 WITNESSED BY : SEAN M. RILEY, CEC AMY VAN HONE , HEALTH AGENT DEEP OBSERVATION HOLE 1 EL = 59.0f DEPTH FROM SURFACE SOIL HORIZON SOIL TEXTURE SOIL COLOR MUNSELL SOIL MOTTLING OTHER 0' - 5' FILL BLUESTONE GRAVEL - 1'-1' STONE ON SIDES. (USE 500 GALLON LEACH CHAMBER 5' - 24' B COARSE SAND 10 YR 4/3 UNITS AS MANUFACTURED BY SHOREY PRECAST OR EQUAL). 51.80 24- - 124- C COARSE SAND 10 YR 6/2 NONE 51.70 CAST IRON RECTANGULAR GRATE AND RAIL, LEBARON LG1024-4 OR APPROVED EQUAL FINISH GRADE SHOULDER BITUMINOUS SURFACE COURSE SLOPE -VARIES REINFORCED CONCRETE" CHANNEL MIN. SLOPE = 1.0% 8 ? BITUMINOUS BASE COURSE CONCRETE.•BASE PAVEb" CLASS 1, TYPE 1-1 BIT. CONCRETE a•- � 1ENT: •.•.•.:�:.•.•:.•.• TRENCH DRAIN ........................... .Q'. PAVEMENT SUBBA SE BITUMINOUS BERM TRENCH DRAIN DETAIL No SCALE PERC AT NO SCALE s0' NO GROONDWATT9t ENCOUNTERED AT A DEPTH OF 124' DEEP OBSERVATION HOLE,2 EL - .59.01 DEPTH FROM RF SOIL HORIZON SOIL TEXTURE SOIL COLOR MUNSELL SOIL MOTTLING OTHER 0' - 5' FILL : BLUESTONE GRAVEL 1'-1' STONE ON SIDES. (USE 500 GALLON LEACH CHAMBER 5" - 40' B COARSE SAND 10 YR 4/3 UNITS AS MANUFACTURED BY SHOREY PRECAST OR EQUAL). 51.80 40' - 124" C COARSE SAND 10 YR 6/2 NONE 51.70 24' HEAVY DUTY CAST IRON FRAME & GRATE TO FINISH GRADE 1 " FINISH COME, CLASS 1 24' HEAVY DUTY CAST IRON (see plan for rim elev.) TYPE 1-1 BIT. CdNC. FRAME & COVER TO FINISH GRADE : (see plan for rim elev.) BR. BERM NO GROUNDWATER ENCOUNTERED AT A DEPTH OF 124' PITCH 2' BINDER COURSE FINISH GRADE PRECAST D JO RISERS TYPE 1-1 BIT. CONC. -PAVEMENT BASE PRECAST CONC. RISERS W/ SEALED JOINTS DESIGN CALCULATIONS W/ SEALED JOIMS 1% PITCH MIN. PAVEMENT E PAVEMENT SUBBASE -� 1% PITCH MIN. 8' DENSE GRADED STONE (MASS. SPEC. M2.0�1.7 DESIGN FLOWN 1,740 S.F. OFFICE SPACE 0 75 G.P.D./1000 S.F. = 130.5 G.P.D. 8' DIA HDPE -y j8 OR 12" PROCESSED GRAVEL (MASS. SPEC. M1.0 .1; 18 EMPLOYEES 0 15 G.P.D:/EMPLOYEE - XD. 70.0 G.P.12 DIA HDPE in TOTAL DESIGN FLOW = 400.5 G.P.D. Li 18 - DIA. HDPEOIL WATER SEPARATOR ELBOW COMPACTED SUB E 400.5 GPD'X 200% 801 GALLONS - USE 1500 GALLON SEPTIC TANK, MIN. ALLOWED in CATCH A 40'L x 10'W x 2b. LEACHING CHAMBER CAN LEACH: DMH o BASIN WELL -DRAINED SAND OR GRAVEL Vt = 40 (2) 2 x .74 + 40 (10) x .74 + 10 (2) 2 X .74 = 444 GPD OIL WATER SEPARATOR ELBOW OFON LE BASE INSTALL' ONE ( 1) - 401 x 10'W x 0.5' D LEACHING CHAMBER Vt = 444 GPD > 400.5 GPD REQ'D. SET ON BASE PAVEMENT BASE & S BASE MATERIAL SHALL BE ONE ( 1) - 1500 GAL H-20, SEPTIC TANK, MINIMUM ALLOWED 48' GENERAL NOTES: COMPACTED TO 95 % MAX. DRY DENSITY (Based ONE ( 1) - DISTRIBUTION BOX, H-20 (5 OUTLET) upon AASHTO T180 Mbthod D). REMOVE TOPSOIL NO TES 1) CATCH BASINS MUST BE SET ON A COMPACTED BASE AND ORGANIC MATTER PRIOR TO PLACEMENT OF GENERAL .NOTES: OR UNDISTURBED SOIL IN AREAS OF PROPOSED FILL FILL MATERIALS 1) GARBAGE GRINDERS ARE NOT ALLOWED WITH THIS DESIGN. 1) DRAIN MANHOLE MUST BE SET ON A COMPACTED BASE OR UNDISTURBED SOIL IN AREAS OF PROPOSED FILL TYPICA SECTION 2) THE INSTALLER IS RESPONSIBLE FOR ASSURING THAT COMPONENTS of TYPICAL CATCH BASIN DETAIL NO SCALE THE TOGE DSUSTAIIN ALL ISPOSAL LOADS TOES IMPOSED GNED ON'T�'CIENT HEEM. ANY TYPICAL DRAIN MANHOLE DETAIL THROUGH PRdPOSED PAVEMENT r COMPONENT OF THE SYSTEM SUBJECT TO VEHICULAR TRAFFIC MUST- NO SCALE' COMPLY WITH A MINIMUM STANDARD OF A.A.S.H.T.O. H-20 WHEEL LOADS. Nb SCALE ` 3) PRIOR TO SETTING ANY SEWAGE DISPOSAL SYSTEM COMPONENT, INSTALLER I SHALL VERIFY EXISTING CONDITIONS, INCLUDING ELEVATIONS OF EXT INVERTS 26' OUl HEAVY DUTY CAST IRON AND REPORT ANY DISCREPANCIES TO THE DESIGN ENG14EER. FP QF_ & My TO FN!SF4 GP.kE i PP=",J5T Colo. R5EPS 4) ALL GRAVITY SEWER PIPE SHALL BE 4' DIA SCH 40 PVC UNLESS OTHERWISE W/ SEALED NOTED. THE MINIMUM SLOPE OF 4' DIA. SCH 40 PVC SHALL BE 0.01 FT/FL FINISH GRADE 5) NO PART OF THIS DESIGN SHALL BE ALTERED WITHOUT PRIOR APPROVAL FROM THE DESIGN ENGINEER AND THE AGENT OF THE LOCAL BOARD OF - SUBGRADE I HEALTH. ALL REQUESTS FOR CHANGES SHALL BE MADE IN WRITING PRIOR - ` TO CONSTRUCTION. D BOX 4 MIL POLY OVER A 4 LAYER OF 1/8' TO 1/2' STONE - �' _ ./ - :: ,' • :' ` I- - BACKFILL 6) THE USE OF ALTERNATE MANUFACTURERS FOR SYSTEM COMPONENTS_ - SHALL NOT BE APPROVED IF THE USE OF THEIR EQUIPMENT REQUIRES 12' DIA HDPE (OR 8' DUl SCH 48 B' COMPACT MUM DRYTO 9DENSITY CHANGES IN DESIGN. / PRECAST (AASHTO T 180 METHOD D) PVC ROOF LEADERS W011Gf� _ 7} :THE INSTALLER SHALL ASCERTAIN THE LOCATION OF EXISTING UNDERGROUND ;%; ,;,°'% r ,r . '� ;: ; ' ,' ",` iv /, r%. - ,!/i f r r ,i , f _� 5; i o B0.SIN 3/4 TO 1 1/2'' UTILITIES PRIOR TO EXCAVATION AND SHALL PROTECT UTILITIES WITHIN THE 3'-0' , 1n H-20 DOUBLED WASHED STONE N WORK AREA DURING CONSTRUCTION. o -°r o ,o !, i" o % O'I Q 0 O -' SPLINE IN DQACKFl EMBEDMENT x 8) THE,EMSTING SEWAGE DISPOSAL SYSTEM (INCLUDING CESSPOOLS) SHALL BE ll� )) LL PUMPED, FILLED WITH SAND, AND ABANDONED; OR SHALL BE REMOVED i `- r , ' ; f; f t ,; 2 6 -0 OF PIPE ,+ MATERIAL WITH SURROUNDING CONTAMINATED SOILS AND BACKFILLED WITH CLEAN % ''. rd / r ; ,r r HAUNCHING _ , ` j%' r N `� I � � BEDDING -6' MAX. COARSE SAND, f ' TAMPED TO IF APPLICABLE I 40'-0" I 10 PROVIUNIFFIORA� 9) . FILL MATERIAL FOR SYSTEMS CONSTRUCTED IN FILL SHALL BE CLEAN SUPPORT NOTE SOIL IN HA NCHING ZONE MUST BE . GRANULAR SAND, FREE of ORGANIC MATTER AND .OTHER DELETERIOUS ' TYPICAL SECTION THROUGH LEACHING BASIN ( 6 FT.,) ' MATERIALS. THE SAND SHALL BE GRADED SUCH THAT NOT MORE THAN DETAIL OF LEACHING CHAMBER I COMPACTED TO 85% MAXIMUM DRY DENSITY 45% OF THE SAMPLE, BY WEIGHT, SHALL BE RETAINED ON THE 4 SIEVE (AASHTO T 180 METHOD D) EMBEDMENT MATERIAL I THE FILL SHALL NOT CONTAIN ANY MATERIAL LARGER THAN 2 INCHES. T RA THE MATERIAL THAT PASSES THE 14 SIEVE SHALL MEET THE NO SCALE NO SCALE 0 BE CLEAN SAND OR GRAVEL WITH MAXIMUM FOLLOWING GRADATION REQUIREMENTS: PARTICLE SIZE OF 1/2 t i PIPE IN TAI I ATION DETAIL ONE (1)- 48'L x TW x 2'0 LEACHING CHAMBER CONSTRUCT BY PLACING FOUR 8'-6 x 4'-10' x 2'-10" LEACHING I TOP OF EXIS'1ING SLAB INVERT ELEVATION C8-1 CHAMBER UNITS END TO END WITH 2'-9' STONE ON ENDS AND 56.20 ELEVATION - 60.91 52.20 1'-1' STONE ON SIDES. (USE 500 GALLON LEACH CHAMBER CB -2 RIM RAISE COVERS TO WITHIN 6` UNITS AS MANUFACTURED BY SHOREY PRECAST OR EQUAL). 51.80 OF FINISH GRADE LB -1 tY HDPE INLET 51.70 BY 12" HDPE OVERFLOW OUTLET FINISH GRADE H'ROJECI ►�. C15728.00 AS -NOTED DATE 8/1/02 \,7 12" HOPEINLET51.70 DRAWN IN ..SMR CHECKED BY �i�i 51.60 ENGINEERING COMPANY INC. ENGINEERS & LAND SURVEYORS 0 CRANBERRY HIGHWAY RLEANS, MASS. 02653 (508) 255-6511 SD - 2 2 2 _oF _sNEEts DMH -1 8' HDPE INLET MRBMIA ! % •, r �.' ,!1 D'BOX INSIDE b.; 8' HDPE OUTLET 58.40 DMH -2 8" HDPE INLET 58.80 1LIENSDNS 12'x1Y MAX 8' HDPE OUTLET 58.70 DROP-2*tlFI - 3' MAX 4' dA SCN 40 PVC PIPE W LME LB -3 4' DIA SCH 40 PVC PIPE . 4 DIA SCH 40 PVC PIPE 11 A� i/8 TO 1T' STONE LB -4 8" HDPE INLET 58.60 sx eDc,r MM. PIPE OW ELVER r 56.91 56.65rwt N T ALL ' // r r tro. EFFECTIVE 56.40 56.17 F "a ` _- r4LLi 56.00 55.603/4 ALL INV• f r rr' , T01 1/2' DEPTH DOUBLE WASHED STONE . r e .. COMPACTED BASE THE MINIMUM SLOPE FOR . ��� W/ 6- LAYER OF 5180 • 4' DIA SCH 40 PVC t, _ .. . CRUSHED STONE _ _ _ PIPE IS 1/8' PER FT COMPACTED BASE�GAS BAFFLE USE ALL W/ 6- LAYER OF `TUF-TITS' OR LINE(S) DUIING D'BOX MUST REMAIN CRUSHED STONE APPROVED EDUNALENT LEVEL FOR Y -O' BEFORE PITCHING END MEW OUTLET TEE DEPTH DOWN TO TEACHING FACILITY 2y1 LWUID DEPTH FLOW LME 231 181 ESTIMATED DEPTH ' 4FT 14 INCHES LONGEST RUN r7 �Y. TO GROUNDWATER IS > 20 FT 5 FT 19 INCHES s * INSTALLER TD VERIFY OUTLET . 6 FT' 7 FT 24 INCHES,7 29 INalEs INVERT PRIOR 70 INSTALLATION OF C� /'% 1 I i L / A T! /1 l-► /1 I A / n f'1 /1 rl 1 r I COMPONENT LOCATION INVERT ELEVATION C8-1 RIM 56.20 12" HDPE OUTLET 52.20 CB -2 RIM 54.80 ' 12" HDPE OUTLET 51.80 NO. LB -1 tY HDPE INLET 51.70 BY 12" HDPE OVERFLOW OUTLET 51.60 H'ROJECI ►�. C15728.00 AS -NOTED DATE 8/1/02 LB -2 12" HOPEINLET51.70 DRAWN IN ..SMR CHECKED BY 12" HDPE OVERFLOW OUTLET 51.60 ENGINEERING COMPANY INC. ENGINEERS & LAND SURVEYORS 0 CRANBERRY HIGHWAY RLEANS, MASS. 02653 (508) 255-6511 SD - 2 2 2 _oF _sNEEts DMH -1 8' HDPE INLET 58.50 8' HDPE OUTLET 58.40 DMH -2 8" HDPE INLET 58.80 8' HDPE OUTLET 58.70 LB -3 8' HDPE INLET 58.30 LB -4 8" HDPE INLET 58.60 NO SCALE P HL 4 � e " fi T7 L MY SYSTEM COMPONENTS. NOTIFY _ JGHLIW,fi HL. I-LUVV rtTUNLt _I - -ENGINEER IF ELEVATION VARIES u FROM PLAN. ' ALL INSTALLATIONS MUST CONFORM TO THE MINIMUM REQUIREMENTS OF TITLE 5 SCHEDULE OF INVERTELEVATIONS Y © CEC 2002 U t C15728.00 I Y NO. DATE REMSION BY WILE SIE DETAILS H'ROJECI ►�. C15728.00 AS -NOTED DATE 8/1/02 PROXCT BAY COMMONWEALTH AVE I ES- ELECTRIC YARMOUTH, MA DRAWN IN ..SMR CHECKED BY NO NO. C15728.dwg COASAL PROFESSIONAL 2 ENGINEERING COMPANY INC. ENGINEERS & LAND SURVEYORS 0 CRANBERRY HIGHWAY RLEANS, MASS. 02653 (508) 255-6511 SD - 2 2 2 _oF _sNEEts U t C15728.00 I Y