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HomeMy WebLinkAboutEngineer Planff B.M;,� 99.67' \ IVI 99.48' 99.38' p 99.74' A •• 0 X 98.90 99.00, LOTS 32 & 33 AREA=18,655± S.F. \ �ZONE X — MIN. FLOOD HAZARD ' A. .1 F� : • .:,.\ X 9 8.2 0' L\ GG `04 F ' 98.80> 98.99, X 9 ' -A'8 6 o�Ry p \ 99.00, 1poSF` 99 sA R' W 1EXIISTING ul DWELLING FIRST FLOOR ELEV= 99.77' q \ 99.30' T.O.F.= 99't `� LINE •99,00, Gas Meter SITE PLAN 99 SCALE: 1 " = 20' B.M.=99.82' (ASSUMED) ONGENERAL CP.K. NAIL SET X 99.20' 1. ADDRESS: G E R LNOTES ,12N2UROSEMARY LANE, YARMOUTH, MA. #276 99 88' 3. DEVELOPER'S OT R. 2. ASSESSORE OTS�t32 AND P 37 R#33, CEL 140. t0 4. TOPOGRAPHIC INFORMATION WAS COMPILED FROM hh �7/ 2C4 AN ON THE GROUND INSTRUMENT SURVEY. {y 5. TOWN WATER IS PROVIDED TO THE SITE & SURROUNDING PROPERTIES. Ote� 6. NO WETLANDS ARE LOCATED WITHIN 150 FEET OF THE PROPOSED SAS. 7. REFERENCE PLANS: PLAN BOOK 16 PAGE 75, L.C. PLAN 22377E 8. UTILITIES LOCATED BY DIGSAFE. 9. THIS DESIGN PLAN IS TO BE UTILIZED FOR THIS SEPTIC REPAIR ONLY. 10. EXISTING SEPTIC COMPONENT LOCATIONS ARE APPROXIMATE. 11. THE PROPERTY IS LOCATED IN A ZONE X MINIMAL FLOOD HAZARD ZONE AND ZONE X 0.2% CHANCE PER FIRM PANEL 25001CO567J, DATED 7/16/2014. 12. THE PROPERTY IS NOT LOCATED IN A DEP ZONE II. 13. THE PROPERTY IS NOT LOCATED IN AN AREA OF CRITICAL ENVIRONMENTAL CONCERN. 14. THE PROPERTY IS NOT LOCATED IN A NATURAL HERITAGE AND ENDANGERED SPECIES PROGRAM AREA. 15. SITE PLAN AND PROPERTY LINES WERE PREPARED BY JOHN P. DOYLE, PLS. 16. FLOOD ZONES SHOWN WERE SCALED FROM FIRM PANEL.25001CO567J. C �r X 99.3 ' septic setback _ 2 9.6 9'- X 99.10' ALL OUTLET PIPES FROM THE DISTRIBUTION BOX SHALL BE — 12• -- SET LEVEL FOR AT LEAST 2 FT. iCQVCR£TE COVER 3 - 5' OUTLET ;..r. :+, 3- KNOCKOUTS 18' OUTLET 12- INLET 8. B. 3 PLAN —SECTION CROSS SECTION 3 HOLE H-20 DISTRIBUTION BOX NOT TO SCALE SAS LAYOUT PLAN VIEW NOT TO SCALE PROPOSED SAS 2 H-10 500—gal chambers with 4' of stone all around, in a 25' x 13." x 2' leach trench. �Q 96.20' 70. 9f>� b (per 98ry� . O�� x Yarmouth lth Departmeet. VVED . . Nsme . Date v F MQ "WEST YARMOUTH" ITE LOCUS NO SCALE LEGEND _W_ Approximate location water line ........ 18••• •• Existing contour Proposed 1,E)00 gal. H-10 loading septic tank ( Existing cesspool (Approx. location) to be pumpcd and removed 101.70' X Denotes exiting spot grade Test Hole Zone X — 0.2% Chance RECEIVED ,cam JOHN P rp 0 7 2023 E, CDDOYLE, IIISNO. 3,4 33589P> HEALTH DEPT. S UM. PROO'rOSED SEPTIC SYSTEM REPAIR PREPARED FOR T.L.H. EXCAVATION AT #22 ROSEMARY LANE YARMOUTH, MA PREPARED BY: A PERFECT ENV/RONMENT LLC ER! dba A GEO—GAPE ENVIRONMENTAL CONSULTANTS n rQ 100 Independence Drive, Suite 7-623 Hyannis, MA 02601 Tel: 774-238--1813 / \P Email: APerfectEnvironmentOgmail.com SCAL•. DRAWN BY: TWH DATE: 25 AUGUST 2023 DATUM: ASSUMED IFILE: 22ROSEMARY SHEET 1 OF 2 SYS I EM PROFILE Existing Dwelling I -NOTE: ALL PIPES ARE TO BE 4' SCHEDULE 40 P.V.C. Plot to Scale CRAWL SPACE S = 0.09, .J�LINE 1=13' LINE 2=19' LINE 1 SEWER=97.0 LINE 2 GRAY=97.74 NOTE: All existing invert elevations shall be verified by the installer prior to any work. 12" min. I One chamber cover shall be 36' max. within 6" of finished grade 3/4"-l%' Double -Washed Stone H-10 LEACHING CHAMBERS CROSS SECTION 3 HOLE H-20 DIST. BOX Existing Grade =98't Finished grade over system=2% slope away Existing Grade = 98't Septic tank covers must be D—Box cover shall be One chamber cover shall be within 6" of finished grade within 6" of finished grade within 6" of finished grade S=0.01'/FT. S=0.01,/ft -- —� PROPOSED 1,500 GAL. 7 12' but SEPTIC TANK P=95.12' H-10 P= 111ir ®® ® ®® Install Gas Baffle or a ual P=95.29' 3/4"-114" Double —Washed Stone 6" OF 3/4"-11/2" STONE 1 6" OF 3/4"-11/2" STONE Min. 2"-1/8"-1/2" Double -Washed Stone or geo-textile filter cloth Rau Too of SAS 24" Bottom of Leach Facility Elev. 5' Min. CONSTRUCTION NOTES 1. Contractor is responsible for Digsafe notification and protection of all underground utilities, site features and pipes. 2. The septictank and distribution box shall be set level on 6„of 3/4' —1 1 /2' stone. 3. Backfill should be clean sand or gravel with no stones over 3" in size. 4. This system is subject to inspection during installation by Geo—Cape Environmental Consultants. 5. The contractor shall install this system in accordance with Title 5 of the Massachusetts Environmental Code and local Board of Health Rules and Regulations. 6. If, during installation the contractor encounters any soil conditions or site conditions that are different from those shown on the soil log or in the design, the installer shall halt installation and immediately notify Geo—Cape Environmental Consultants. 7. No vehicle or heavy machinery shall drive over the septic system unless noted as H-20 septic components. 8. All piping shall be 4" diameter SCH 40 PVC unless otherwise specified. 9. No wells are located within 150' of proposed SAS. 10. Provide 1 1,500 gal. H-10 septic tank and 1 DB-3 H-20 d—box with 2 H-10 500 gal. chambers by Acme—Shorey Precast or equal. 11. Existing cesspool(s) shall be pumped and removed/backfilled. 12. The designer is not responsible for undocumented septic components. 3-20' INAM. ACCESS MAMROtES H-10 LEACHING CHAMBERS THE ACCESS COVERS FOR THE SEPTIC TANK, OUTLET DISTRIBUTION BOX AND LEACHING COMPONENT SHALL BE WITHIN 6" OF FINISHED GRADE. INSTALL TUF-TITE GAS BAFFLE OR EQUAL ON ALL OUTLET TEE END STEEL REINFORCED PRECAST CONCRETE PLAN VIEW /- 3-20' REMOVIAM COVERS m�N.m9*ki. mtli.µ8no. rmmhG.t to atot T7a.r OUTLET ._A-[_._ _ kGZ7 T .S' -r UWW EWU � I CROSS—SECTION END —SECTION TYPICAL 1500 GALLON H-10 SEPTIC TANK NOT TO SCALE EXISTING DWELLING Ii11n72"-1/8"-1/2" Double —Washed Stone or geo—textile filter cloth Too of SAS=95.8'f ch Facility Elev.=93.00' 5' Min: (6' PROVIDED) Hole Elev.=86.99' Design Calculations Number of Bedrooms: 2 Equivalent to 220 Gal./Day (Use 330 gpd. min) Garbage Disposal: Not allowed with this design Septic Tank Capacity Required: 330 gpd x 200% = 660 gpd. Septic Tank Capacity Provided: Proposed 1,500—gal H-10 septic Tank Leaching Capacity Required: 330 gpd x LTAR= 446 SF Req'd Area LTAR for Class I soil at <5 min./inch = 0.74 gol/sq. ft. Proposed Leaching Structure: 1-25'x13'x2' Leaching Trench Bottom Leaching Area Provided = 325 sq.Ft. Sidewall Leaching Area Provided = 152 sq. ft. Total Leaching Area Provided = 477 sq. ft. > 446 sq. ft required. Leaching Capacity Provided =477 sq. ft X 0.74 gal/sq.ft.=353 gpd. SAS LAYOUT Scale: 1 "=20' CORNER DWELLING TO CORNER TANK/SAS A-1 = 28'-1" B-1 = 13'-1" A-2 = 32'-5" B-2 = 23'-4" A-3 = 36'-3" B-3 = 34'-9" A-4 = 52'-6" B-4 = 33'-0" N Test Hole No. 1 DEPTH SOILS ELEV. 97.99 FILL - 96.57 Bw loamy sand " 10YR5 6 95,07 C1 medium/ cSaan ae 2.5Y6/4 10% gravel 132" 86.99 NO GROUNDWATER ENCOUNTEREE PERK TEST & SOIL_ EVALUATION DATE OF TEST HOLE: AUGUST 9, 2023 Performed By: GLEN E. HARRINGTON, R.S. Witness: Barry Lewis, Assistant Health Agent Excavator: Mike Leary, T.L.H. Excavation Percolation Rate: < 2 MPI IN C1 PROPOSED SEPTIC SYSTEM REPAIR PREPARED FOR T.L.H. EXCAVATION AT #22 ROSEMARY LANE YARMOUTH, MA OF A PREPARED BY: A PERPECTENVIRONMENTLLC E dba GEO—CAPE ENVIRONMENTAL CONSULTANTS 0. 07 © 100 Independence Drive, Suite 7-623 4 Hyannis, MA 02601 (a i s c �e` ��� Tel: 774-238 -1813 ` Email: APerfectEnvironment®gmail.com SS_CAL DRAWN BY: TWH ATE: 25 AUGUST 202, DATUM: ASSUMED I FILE 22ROSEMARY I SHEET 2 OF 2