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HomeMy WebLinkAboutEngineered Plans - 2020Perini DNI, door 1 any sewa - 97 - - EXISTING CONTOUR N o x 100.98 EXISTING SPOT GRADE �hP _W-EXISTING WATER SERVICEEXISTING GAS SERVICE o-t1GW- UNDERGROUND WIREShoIqF- OVERHEAD WIRES SEP77C TANK TEST PIT `oc LOCUS ANKEL.=90.95: XEXIS77NG PERC TEST LOCATIONBENCHMARK =89.601 � BENCHMARKCOR.1CONCSTEP PIT x 8165EACH EL.=93.19 LEGEND R SHALL PUAND & ABANDON O` 7N,37-16'50`, 0 83.23 E 5¢F 76.14 x 91,03/\ C ,. o G" x 8290 `965 ��90.% -: \ PAA -�_. - , +3486 �---�_ LOCUS MAP '. �� r 1 .94 x 93. 0 , �`'c 7.09 /{y NOT TO SCALE 3 ._. .----.93.19 V1 11 _- AM. m. 96 � DECK (a ave) �g x ez39 RECEIVED IV c} dui 102.91 Zri'CO x � walkout 693-6 �g EL=93.6t � 92.31 -- _ i � � � LOCATIODTTOxBE�� �� __ ._ a 8610 �EwsnN� ,��%� APPROVED BY OER x 86.60 WN �, x 86.a9 !n JAN 15 2020 HOUSE( 17) ; - i=100.91". TO.F. ; ; 91.23-90 // i, N..� ��SHED _ � I f N �: HEALTH DEPT. .L 1 N cP 1.03 'fl20 .. Z x f 1:0n r M 9L99 8873 � �-� 1 99.129SB9 a - 00 -_./ . � 92.91 103.54 LOT 1 of Massq�� 41,000 ±SF S 102.16 972 I 936 I 93.46 � 90" o PETER T. ✓' x I a xx 97,38McENTE 1 _ r^ o� valid fiu Rt P AIR OF St i'"I M pp -__ �' -- Jf)- CIVI No. 35109 du1 t•r 1c xnrl Loral ecpKC es• a nv uue � y ., � "--- ,.,. ., u. 1 1 , 11 ,,.a1 , I Ileala I I 1 l 297.�F.3' IST fun= i.t innnlrul ,niu01.1. 1-11 / 944]1 37`16'5 W E an6hc idol .ii, ine. d,.. ihng. �� V 91.o5S Y3nnwnUi 11C31111Dep.uuncut 34.19 100A2 9853 - 95.86 EDGE OF 93.52 PAVEMENT 91.77 91.:3 90.89 l A IT IZ V V Fi 90.70 COBB AVENUE MAP ID: 125-172 G zo PROPOSED SEPTIC SYSTEM UPGRADE PLAN Date 17 COBB AVENUE YARMOUTH PORT MA NOTES: OWNER OF RECORD Prepared for: Cape Cod Septic Services, 350 Main St., West Yarmouth, MA 02672 1) HOUSE LOCATION TAKEN FROM CERTIFIED PLOT PLAN BY SPENCER, JOHN JR Engineering by: SCALE DRAWN JOB. N0. ELDREDGE ENGINEERING, INC, HYANNIS, MA, DATED 11/26/85 SPENCER, KAREN C Engineering Works, Inc. 1"=30' P.T.M. 308-19 2) PLAN REFERENCES: PLAN BK 396 PG 73 & PLAN BK 129 PG 147 17 COBB AVENUE 12 West Crossfield Road, Forestdale, MA 02644 DATE CHECKED SHEET NO. 3) FLOOR PLAN TO BY PROVIDED BY HOMEOWNER YARMOUTH PORT, MA 02675 (508) 477-5313 1/8/20 P.T.M. 1 Of 2 NOTE: TO PREVENT BREAKOUT, THE PROPOSED FINISH GRADE SHALL NOT BE < EL:85.0 SEPTIC TANK FOR A DISTANCE OF 15' AROUND THE �2 INSTALL RISERS & COVERS OVER INLET PROPOSED D -BOX PERIMETER OF THE S.A.S. AND SET TO 6" OF FINISH GRADE, PROPOSED S.A.S. INSTAL! WATERTGHT RISER & PROVIDE TWO ACCESS MANHOLES TO WITHIN 3" OF FINISH GRADE FOR INSPECTION PURPOSESrV •F COVER SET TO 6" OF GRADE : h T.O.F.=100.9+ CHARCOAL F.G. EL. -95.01 F.G. EL=94.31 F.G. EL.=90.0± F.G. EL.=91.0± VENT T-. �- DE .. 0 CK (above) 28 8;5' walkout bsmnt� (BACK YARD) ) ' / / ,' // MAINTAIN 2% GRADE (MIN.) OVER S.A.S. ;�, i L = 46' L = 5' "T O F =100.91 § ® S=1% (MIN.) ® S-1% (MIN.) 4"SCH40 PVC 4'SCH40 PVC V 10'I 8 as Ba 14" B®®a®®® EXISTING 48" uaul0 ®assess LEVEL 4' 4.8' 4' SEPTIC LAYOUT ADD cas BAFFLE INV.=86.17 PROPOSED INV.=86.00 ­ INV.=89.60 D -BO EFFECTIVE WIDTH INV.=84.50 EXISTING SEPTIC TANK 2-500 GALLON LEACHING CHAMBERS STONE AS SHOWN GENERAL NOTES: 1. ALL CHANGES TO THIS PLAN MUST BE APPROVED BY THE LOCAL H-20 ED BOARD OF HEALTH AND THE DESIGN ENGINEER. NOTES: TOP CONC. ELEV.=85.6± 2. ALL WORK AND MATERIALS SHALL CONFORM TO THE REQUIREMENTS f BREAKOUT ELEV.=85.00WE OF THE STATE ENVIRONMENTAL CODE, TITLE V, AND ANY APPLICABLE 1) CONTRACTOR SHALL VERIFY ALL. EXISTING PIPE INV. ELEV.=84.50 ®®®® INVERTS, PRIOR TO INSTAL.TION. ases eases LOCAL RULES AND REGULATIONS, EXCEPT AS REQUESTED BELOW: aaa aaaaa 2) D -BOX SHALL BE SET LEVEL AND TRUE TO GRADE BOTTOM ELEV.=82.50 CMR 15.405(1)(b): CONTENTS OF LOCAL UPGRADE APPROVAL 1) A 3' variance to the 3' maximum cover requirement, for up to ON A MECHANICALLY COMPACTED SIX INCH CRUSHED 4' 2 X 8.5=17.0 4' 6' of max. cover. S.A.S. shall be H-20 and vented. STONE BASE, AS SPEC FLED IN 310 CMR 15.22', (2). 4' MIN. OF NATURALLY OCCURRING EFFECTIVE LENGTH = 25.0' 3. THE SEWAGE DISPOSAL SYSTEM SHALL NOT BE BACKFILLED PRIOR PERVIOUS MATERIAL 3) INSTALL INLET & OUTLET TEES AS REQUIRED. TO INSPECTION AND APPROVAL BY THE BOARD OF HEALTH AND THE 4' VA. ABOVE GROUNDWATER LEACHING SYSTEM SECTION DESIGN ENGINEER. 4) CONTRACTOR SHALL INSTALL A GAS BAFFLE ON BOTT. OF TP -1, EL.=78.0 - THE OUTLET TEE. 4. ANY CONDITIONS ENCOUNTERED DURING CONSTRUCTION DIFFERING 3/4" 70 t-1/2' DOUBLE FROM THOSE SHOWN HEREON SHALL BE REPORTED TO THE DESIGN WASHED STONE ENGINEER BEFORE CONSTRUCT'ON CONTINUES, 5. ALL ELEVATIONS BASED ON AN ASSUMED DATUM. LAYER OF ED 3o0UBLE 6. THE DESIGN ENGINEER IS NOT RESPONSIBLE FOR THE FAILURE OF WASH- STO1/2" SEPTIC SYSTEM PROFILE THE CONTRACTOR OR OWNER TO NOTIFY THE LOCAL BOARD OF (OR APPROVED FILTER FABRIC) HEALTH FOR PROPER 'INSPECTIONS DURING CONSTRUCTION. 7. WATER SUPPLY PROVIDED BY TOWN WATER SERVICE. DESIGN CRITERIA SOIL LOG 8. THERE ARE NO WELLS WITHIN 100' OF THE PROPOSED S.A.S. V 9. ALL AREAS CLEARED FOR CONSTRUCTION SHALL BE RESTORED AS DATE: JANUARY 2, 2020 AGREED UPON BY OWNER AND CONTRACTOR OR AS OTHERWISE NUMBER OF BEDROOMS: 2 SOIL EVALUATOR: PETER McENTEE (SE#1542) DIRECTED BY THE APPROVING AUTHORITIES. SOIL TEXTURAL CLASS: CLASS I WITNESS: PHIL RENAUD - HEALTH AGENT 10. IT SHALL BE THE RESPONSIBILITY THE CONTRACTOR TO VERIFY DESIGN PERCOLATION RATE: <5 MIN/IN Elev. TP Depth � PERC TEST THE LOCATION OF ALL UNDERGROUND UTILITIES, PRIOR TO BEGINNING (0.74 GPD/SF LOADING RATE) 90.5 0" ELEV, CONSTRUCTION. DAILY FLOW: 220 GPD DEPTH FILLo" 1'.. WHERE REQUIRED, CONTRACTOR SHALL REMOVE ALL UNSUITABLE SOILS DESIGN FLOW: 330 GPD 85.0 66" 880 IN THE AREA BENEATH AND FOR 5' ON ALL SIDES OF THE S.A.S. AND A FILL REPLACE WITH CLEAN SAND AS SPECIFIED IN 310 CMR 255(3). GARBAGE GRINDER: NO LODAMRY SAND 84 5 LEACHING AREA REQUIRED: (330 GPD) = 445.9 SF A 42" 12. AREAS REQUIRING STRIPOU7 OF UNSUITABLE MATERIALS SHALL BE 843 72" LOAMY SAND B INSPECTED BY HEALTH DEPARTMENT PRIOR TO BACKFILL. .74 GPD/SF 10YR 4/2 13. THIS PLAN IS TO BE USED FOR SEPTIC SYSTEM PURPOSES ONLY AND EXISTING SEPTIC TANK: 1000 GALLON CAPACITY ( LOAMY SAND 84.0 48" IS NOT TO BE CONSIDERED A PROPERTY LINE SURVEY. PROPOSED DISTRIBUTION BOX: INLET, 3 OJTLETS B 10YR 5/6 PERC USE 2-500 GALLON LEACHING CHAMBERS IN SERIES 54"/72" PROPOSED SEPTIC SYSTEM UPGRADE PLAN 82.7 94" LOAMY SAND SURROUNDED BY DOUBLE WASHED STONE ON ALL SIDES 17 COBB AVENUE, YARMOUTH PORT, MA 10YR 5/6 SIDEWALL AREA: 2(12.8' + 25.0') X 2 = 151.2 S.F. FINE SAND 2.5Y5/3 81.0 84" Prepared for: Cape Cod Septic Services, 350 Main St., West Yarmouth, MA 02672 BOTTOM AREA: 12.8' x 25.0' = 320.0 S.F. PERC TEST WAS PERFORMED DOWN En Ineerin b 9 9 Y• SCALE DRAWN JOB. N0. TOTAL AREA:..............................................................471.2 S.F. SLOPE FROM TP -1 WITH LESS FILL 78.0 150' AND LESS DEPTH TO "B" HORIZON Engineering Works, Inc. NTS P.T.M. 308-19 DESIGN FLOW PROVIDED: 0.74 GPD/SF(471.2 SF) = 348.7 GPD NO GROUNDWATER ENCOUNTERED PERC RATE: 3 MIN/IN ("B" HORIZON) 12 West Crossfield Road, Forestdole, MA 02644 DATE CHECKED SHEET NO. (508) 477-5313 1/8/20 P.T.M. 2 of 2