Loading...
HomeMy WebLinkAboutEngineer PlanI Existing Dwelling CELLAR WALL S = 0.02' 10' 12' V.]One chamber cover shall be 36' maxi within 6" of finished grade 000000 3 0 0 0 C3 C3 C3 3/4"-1$" Double—Woshed Stone Existin2 Grade 22't Septic tank covers must be within 6" of finished grade S=0.01 PROPOSED ----- 1500 GAL. 17' SEPTIC TANK H-10 =1 Install Gas Baffle or equal p= 6" OF 3/4"-11/2" STONE H-10 LEACHING CHAMBERS CROSS—SECTION Not to Scale Min. 2--1/8--1/2- Double —Washed Stone or geo—textile filter cloth 4- Min. Elev. TEM PRC Not to Scale PROPOSED 3 HOLE H-20 DIST. BOX Finished grade over system=2% slope away Existin Grade = 22't D—Box cover shall be One chamber cover shall be 12" MIN. 2"—tile f2" Double —Washed Stone 3B" MAX or geo—textile filter cloth within 6" of finished grade within 6" of finished grade Top of SAS= 19.8't '/FT Level for 2' S=0.01 ft/ft mm, 6" OF 3/4"-11/2" STONE Test Hole Elev./GW Elev. 13, CONSTRUCTION NOTES 1. Contractor is responsible for Digsafe notification and protection of all underground utilities, pipes, and site features. 3-2rOLM,cA 2. The septic tank 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. 3/4"-1h" Double —Washed Stone H-10 LEACHING CHAMBERS fALUATION � Invert Elev.=18.97' 14" Bottom of Leach Chambers Elev.=16.97' Min. (5.7' PROVIDED) Hole Elev.=11.21' S T __-.-�� Date of SOIL EVALUATION: March 2, 2023 Evaluation Performed By: Glen E. Harrington, R.S. Witness: Jay Gardiner, Assistant Health Director Excavator: Mike Leary, T.L.H. Excavation Percolation Rate: < 2 mpi IN C1 at T.H. #2 24 gallons applied— unable to soak 04. This system is subject to inspection during installation " TME A covEas FOR THETALE( auncT THE A10ESS BOX AND LEACHING COMPONENT y SHALL BE MATHIN e" Or FWSHED CRAM by Gea—Cape Environmental mental Consultants. INSTALL TUr-TILE OAS SAFTU OR EQUAL ,, 5. The contractor shall install this system in accordance 7777 , A ON ALL OUTLET TEE ENDS with Title 5 of the Massachusetts Environmental Code STm. REINFORCED PRECAST CONCRETE and local Board of Health Rules and Regulations. PLAN MEw 6. If, during installation the contractor encounters any �3-2VAD iAILEWM1 soil conditions or site conditions that are different M '' from those shown on the soil log or in the design, ""' r """ °°""" "" -- -- --- p � T�T7wrd'Gwi---� ouneT . the installer shall halt installation and immediately notify 4 i LIPAO d�P f Geo—Cape Environmental Consultants. 7. No vehicle or heavy machinery shall drive over the L` septic system unless noted as H-20 septic components. CROSS—SECTION END —SECTION 8. Install Tuf—Tite gas baffle or equal on septic tank outlet tee. TYPICAL 1500 GALLON H-10 SEPTIC TANK 9. All piping shall be SCH 40 PVC. NOT TO SCALE 10. No wells are located within 150' of proposed SAS. 11. Provide 1 1,500 gallon H-10 septic tank, 1 H-20 DB-3 distribution box and 3 H-10 500—gallon chambers by Wiggin Precast or equal. 12. Provide magnetic marking tape for convenient location of components. 13. Existing leach pit shall be pumped and backfilled per 310 CMR 15.354. Soil Evaluation Certification I certify that on October, 1995, 1 have passed the soil evaluator examination approved by the DEP and that the analysis was performed by me consistent with the required training, expertise and experience described in 310 CMR 15.017. GLEN E. HARRINGTON, R.S. No Observed Ground Water Test Hole No. 1 DEPTH SOILS ELEV. 0 18„ FILL C1 medium/ coarse sand 90" 7.5YR6 6 ' C2 medium/ coarse sand 120" 2.5Y6/4 10.98' Test Hole I No. 2 DEPTH SOILS ELEV. 0 Ap loamy son 20" 10YR4 2 20.551 E oamy son 26" 10YR6 1 Bw I loamy sand 32" 1.5YR6 6 1 0 w UY o_ C1 64 medium/ coarse sand 132" 10YR6 4 11.21' MW� UycgLv MAR 10 2023 HEALTH DEPT. SEPTIC LAYOUT SCALE: 1 "=20' A-1= 33'-2" B-1=54'-11"I A-2= 55'-9" B-2=31'-7" G SITE PLAN SCALE: 1 " = 20' B.M.=23.15' (ASSUMED) ON GARAGE FLOOR 2 z'�t nLL � Of Y U N X 24.22' #57 HIGHBANK RD M/P: 70-58 TOWN WATER 25 184.94' X 24,66' LOT 2 AREA=28,644±SF 101 — -XX 24 0 26 EXISTING, DWELLING #53% T.H. #2 H-20 D—BOX Iw_ 1 0 4 .9 N i o- L__J n :3 , n' 1 LEGEND © Test Hole Location Lindon Ln LP Lamp Post Pennstar Ln ITE Approximate location water line i„y A... a 18 - - Existing contour in town Landhp Rd --- I 27 28 29 30 Existing 1,000-gal. H-10 c '� -� o loading septic tank (to be pumped and removed) �a z CD 1 Existing Leach Pit a er ��r n �`� (to be pumped & backfilled) Bass RJver -0—�- Existing 6 Stockade Fence Rd rI Proposed 1,500 gal Septic Tank / 'SOUTH YARMOUTH" LOCUS �e�eP1\0�". 30,�8' o� � N0 SCALE � 30,19' a Design Calculations �" n rem ---�p5 _" 30 Number of Bedrooms: 4 Equivalent to 440 Gal./Day Garbage Disposal: Not allowed with this design Septic Tank Capacity Required: 440 gpd x 200% = 880 gpd. Septic Tank Capacity Provided: Proposed 1,500-gal H-10 septic Tank Leaching Capacity Required: 440 gpd x LTAR= 595 SF Req'd Area LTAR for Class I soil at <2 min./inch = 0.74 gal/sq. ft. X 29.72' W W Proposed Leaching Structure: 1-33.5'x13'x2' Leaching Trench Bottom Leaching Area Provided = 435.5 Sq.Ft. Sidewoll Leaching Area Provided = 186 sq. ft. ZTotal Leaching Area Provided = 621.5 sq. ft. > 595 sq. ft req'd. Leaching Capacity Provided =621.5 sq, ft X 0.74 gal/sq.ft.=460 gpd. GENERAL NOTES 29 1. ADDRESS: #53 HI HBANK ROAD, YARMOUTH, MA. ' T 2. REFERENCE DEED: BOOK 7621 PAGE 0310 3. DEVELOPER'S LOT: LOT #2 0 �J 4. TOPOGRAPHIC INFORMATION WAS COMPILED FROM d O AN ON THE GROUND INSTRUMENT SURVEY. 5. TOWN WATER IS PROVIDED TO THE SITE & SURROUNDING PROPERTIES. O ' 010 6. NO WETLANDS ARE LOCATED WITHIN 200 FEET OF THE PROPOSED SAS. ii 7. REFERENCE PLAN: PLAN BOOK 434 PAGE 49. J B. UTILITIES LOCATED BY DIGSAFE. 9. THIS DESIGN PLAN IS TO BE UTILIZED FOR THIS SEPTIC REPAIR ONLY. 10, EXISTING SEPTIC COMPONENTS LOCATED IN THE FIELD AND PER AS -BUILT ON FILE 28.50' 11. THE SUBJECT PROPERTY IS NOT LOCATED WITHIN A STATE REGULATED ZONE ll. 28 IS NOT RESPONSIBLE FOR UNDOCUMENTED SEPTIC COMPONENTS. 12. THE DESIGNER Phi 13. SITE IS NOT IN AN AREA OF CRITI7MAL-FLOOD ff 14. SITE IS LOCATED IN A ZONE-X MIAZARD ARPER FIRM PAN 1J (Effitlfealth Department ��PPROVED i� I 0 2023 AREAS o X 26,15' MAR Name 1 n _ _ Date HEALTH DEPT X 24.79' #45 HIGHBANK RD M /P: 70— 56 TOWN WATER PROPOSED SEPTIC SYSTEM REPAIR PREPARED FOR T.L.H. EXCAVATION AT #53 HIGHBANK ROAD YARMOUTH. MA PREPARED BY: A Perfect Environment LLC dba Geo—Cape Environmental Consultants 100 Independence Drive, Suite 7-623 Hyannis, MA 02601 Tel: 774-238-1813 Email: aperfectenvironment®gmail.com SCALE: 1 "=20' DRAWN BY: TWH DATE: 10 MARCH 2O23 DATUM: APPROX. GIS FILE: 53HIGHBANK I SHEET 1 OF 2