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HomeMy WebLinkAbout23.288 - Site and Sewage Plan (Copy 3)LiOUTE 28 s`t.7.7�:N►va.+.a...a+ T_ PARCEL: 288 019C8) CURRENT 'ZONING: R-25. BUILDING SETBACKS: F 30' 'S: 15' R:. 20' N FLOOD ZONE: A9 CEL 10) w9 Locus � a MAXIMUM BUILDING COVERAGE: 25% �• PROPOSED BUILDING COVERAGE = 127. EXISTING BUILDING COVERAGE = 7.5% i LOCATION MAP l L LJ A. ENGINEER: THOMAS McLELLAN, P.E. 1. VERTICAL DATUM: NGVD 2. MUNICAPAL WATER IS AVAILABLE. - WITNESS: AMY VON HONE, R.S. 3. SCHEDULE 40 - 4" PVC PIPE TO BE USED THROUGHOUT SEPTIC SYSTEM.. DATE. 3-14-02 4. ALL PRECAST UNITS TO CONFORM WITH AASHTO H-10 & H-20 PERCOLATION RATE: < 2 MIN/IN LOADING SPECIFICATIONS.' 5. PIPE PITCH= 1/4" PER FOOT, (UNLESS NOTED OTHERWISE). TH---1 TH_2 6. FIRST 2' OF PIPE OUT OF D -BOX TO BE SET LEVEL. 8.9 9.3 7. THE SEPTIC SYSTEM HAS NOT BEEN DESIGNED TO ACCOMODATE THE 0/A HORIZON ELEV 0/A HORIZON ELEV USE OF A GARBAGE DISPOSAL. LOAMY SA'VD LOAMY SAND 10YR 3/2 8. ALL CONSTRUCTION DETAILS ARE TO BE IN CONFORMANCE WITH THE 9- 10YR 3/2 .. 82 8" 87 STATE OF MASS. ENVIRONMENTAL CODE (TITLE FIVE) AND LOCAL B HORIZON LOAMY SAND B HORIZON LOAMY SAND HEALTH REGULATIONS. fOYR 6/6 26" 10YR 6/6 7.1 9. CONTRACTOR TO VERIFY LOCATIONS OF ALL UTILITIES PRIOR 24" 6. C HORIZO ;' C HORIZON TO. CONSTRUCTION. LOT 8 FINE SAND FINE SAND 10. GROUND COVER OVER ALL SEPTIC SYSTEM COMPONENTS NOT TO 2.5Y 8/3 2.5Y 8/3 11,507 t S.F. EXCEED 3.0'. (0.26 t AC.) 54" 4.4 56' 4.6 11. ALL UNSUITABLE SOIL (A & B HORIZON, APPROX. 26" DEEP) WITHIN 5' OF PROPOSED LEACH AREA IS TO BE REMOVED AND REPLACED WITH . OBSERVED OBSERVED CLEAN MEDIUM SAND. 10.1 GROUND WATER 120" GROUND WATER -07 12. A 2 BEDROOM DEED RESTRICTION IS TO BE FILED AT .THE BARNSTABLE 120" -1.1 REGISTRY OF DEEDS. EgISTING G p*ALL ION OF ININ 122 13. AN ELECTRIC PERMIT IS REQUIRED PRIOR TO INSTALLAT N CONC• OF If ALL ifSGS GROUND NATER ADJUSTMENT PUMP,SYSTEM. TOP 2' BENCHMARK AT FELL: MIW-29, ZONE: B, ADJUSTMENT: 3.9' 14. SEPTIC TANK AND PUMP CHAMBER ARE TO BE WATER PROOFED BY +9. 6 CONCRETE BOUND AVERAGE OF A Vit• B ZONE = (I' + 2.6)/2 = 3.3' MANUFACTURER WITH IPANEX CONCRETE ADDITIVE OR CONSEAL 55; g3. 35 ..... ELEVATION = 10.14 ifSE ADJUSTMENT OF: 3.3' - i' = 2.3' �r ADJUSTED GROUND WATER ELEVATION =.6.9' A 6".EZ WRAP IS ALSO REQUIRED FOR BOTH TANKS. , 8' 15. EXISTING SEPTIC SYSTEM 1000 GAL TANK WITH 2 FLOWDIFFUSORS) IS TO 9. 6 BE PUMPED AND . AB NDONED. }- W N T11-2 cD SEED3,' SEP, IC SYSTEM . DESIGN 160 FLOW ESTIMATE: 41' � BEDROOMS AT 110 CAL/DAY/BEDROOM = 220 GAL DAY D 44.1 12 24 r' M ppOSE _ 9. 7 \ 10' 2 EEDRNG __ SEPTIC TANK: / 1 1)w N 13.6 e i 11 220 GAl,/DAY x 2 DAYS = 440 GAL / '• PC TY L-' : e 10 USE 1500 GALLON SEPTIC TANK _ (CR CE e - EXISTING SEPTIC SP� O:0)e ` J SYSTEM = \ E L - - r .1 e : LEACH NG AREA: (SEE NOTE 15) / ST e •e - ; e - USE ILLI WITH 4 9_'_O F".S,.TTOr�.NE"OAROUND S'II:D.:rES` AND 2.5' AT Ej'IDS g EX NG 103 Q 9 DECK i 0 �E eL=REj10VBD a (30' x x 7" DEEP) " o T o 10 a SIDE AREA., 39 x 2 x 7/12 = 45 SF (.74) = 33 GAL/DAY 27.5 i �. BOTTOM AREA 30'x9' = 270 SF (.74) = 200 GAL/DAY 448' ; ;: CAPACITY = 233 CAL/DAY � '• •� a -= O e 9 9.5 ►� SEPT LC SYSTEM SECT ION CATCH BASIN 1 c COVERS WITHIN 12" OF COVER WITHIN 6" OF GRADE 2" PEASTONE O \•. TOF' OF FOUNDATION FINISHED GRADE(ONE COVER WITHIN 314--1 6" OF GRADE) 2" PRESSURE LINE WASHED STOTO NE -.....ter \ 3.5' CRAWL 77 77 TEE AT ELEV.= 12.9 9. 1 - \ SPACE 1).5 INLET - �� ELEV. 8.7 845 o\ OG• o �`Yf 10.0 ELEV. _ 10 8.75 ELEV. H-20Z�E�E;. - 11.9 `°�D4,\�14' c ELEV. 1500 GAL ELEV. 3� 1000 GAL RAIN HOLE D -BOX 12.49 2.5 3' 2.5-3* ELEV. �' ELEV. �}. �\ ELEV. SEPTIC TANK PUMP CHAMBER 12.66 (6" OF ELEV. F 30' S' 9.(6" OF STONE UNDER OR WITH MYERS SRM -4 ELEV. STONE ? MECHANICALLY COMPACTED) PUMP. PUMP ALARM UNDER) 12'48 4 INFILTRATORS (STANDARD CHAMBERS) ,! \ PACKAGE TO BE INSTALLED ELEV. WITH T OF STONE AROUND SIDES AND 9. 3 "`,TEE SIZES: IN DWELLING POWERED 2.5' AT ENDS (30' x 9' x Y DEEP) BY A CIRCUIT SEPARATE INLET: 6" UP, 13" DOWN 9. 2 FROM THE PUMP OUTLET: 6" UP, 1.1" DOWN POWER, (DISTANCE BETWEEN ADJUSTED GROUNDWATER ELEV.=, 6.9 �� / KEY: _ (GAS BAFFLE AT OUTLET TEE) ON/OFF SWITCH TO BE 3"). `� (DISTANCE BETWEEN ON SWITCH EXISTING CONTOUR: �`��' ALARM TO BE 12 EJ ") SITE AND SEWAGE' PLAN O -� ` AND PROPOSED CONTOUR. .............. EXISTING SPOT ELEVATION: 25.5 �J'� PROPOSED SPOT ELEVATION: 25 TEST HOLE: UTILITY POLE: -0- FENCE LINE: HYDRANT: -6- RETAINING WALL: EE • LOCATION. APP OVED+BY' DATE: ` 39�^EX ETER-ROAD WEST YARMOUTH, MA 7g K . PREPARED FOR; REALTY D112 DEMAR-EST-McLELLAN ENGINEERING 24 SCHOOL STREET P.O. BOX 463 WEST DENNIS, MASSACHUSETTS 02670 PHONE & FAX : (508) 398-7710 DM # 02-03_ SCALE: 1" - 20' DATE. 6-21-02 LAND COURT CASE #17149 REVISED: 11-6-02 JL REVISED: !1-19-02 THOMAS MAELLAN, P.E. JOHN Z..DEMAREST JR., P.L.S. `REVISED::. 3 25-03.,(RAISE TOP FOUNDATION T073.5