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HomeMy WebLinkAboutEngineered Plan - 2018N4RD�/- TH-1 105.0 KEY: FILL ELEV. 6" EXISTING CONTOUR: - - - - 4PROPOSED CONTOUR: ••----•------ 12„ 10YR 3/1 B HORIZON EXISTING SPOT ELEVATION: 25.5 LOAMY SAND PROPOSED SPOT ELEVATION: 25.5 30" OM HOMERS 4) TEST HOLE:UTILITY MEDIUM SAND PERC AT 42" POLE:FENCE 2.5Y 7/4 108" LINE: toHYDRANT: 126"1 GROUND WATER 94-5 RETAINING WALL: z Lu v LOCUS LOCATION MAP LOT 55 (21,188 SF) ASSESSORS MAP: 141 PARCEL: 34 PLAN BOOK: 214, PAGE: 117 1i I M17-70 44.6' LEACH AREA DETAIL SEPTIC SYSTEM DESIGN FLOW ESTIMATE: 4 BEDROOMS AT 110 GAL / DAY = 440 GAL / DAY SEPTIC TANK: 440 GAL / DAY -x2 DAYS = 880 GAL USE 1500 GALLON SEPTIC TANK (EXISTING) LEACHING AREA: USE 6 - 125 GALLON CHAMBERS (6.1'x Tx 12" EFF. DEPTH) WITH 4' OF STONE ALL AROUND (44.6'x 11' x 12" DEEP) SIDE AREA: (44.6' + 11') x 2 x 1 = 111 SF (0.74) = 82 GAUDAY BOTTOM AREA: 44.6'x I V= 491 SF (0.74) = 363 GAUDAY CAPACITY = 445 GAUDAY REQUIRED VARIANCE FROM TITLE FIVE: 1. SECTION 15.212: LEACH AREA TO BE LESS THAN V ABOVE GROUND WATER (VARIANCE OF 1.0'). <-'100 P� /4�. \ �O O� i AI �'� �h' / 101 J 101 / 72 !0, 0 �r01>0 \ Seo o O / -103- 102 �a 102 G r / ! 103 104 / 5b 103AZ W i 4 p ra O� / 4� 40j,104 i.p. r 105 q o, ob� �r o^�oQ�o / ^o�o c�� Q t `' \ i / 105 �^ holl Y - % th-1 r � old th+ clay at 9.5' o,co heho e 106' 1y holly o°� tree i \ old wet and r 12 1 at 12' i' tree r 104 I / s Go d � r 106 105 BENCHMARK AT RIGHT CORNER OF BULKHEAD ELEVATION = 106.28 SEPTIC SYSTEM SECTION 106.28 COVERS WITHIN 6" ° TOP OF OF FINISHED GRADE FOUNDATION `" FINISHED GRAE m TMAX 103.6 1/8" per ft \� COVEF ELEV. q (1' MIN 103.2 1/8" per ft (EXISTING) ELEV. 103.12 103.45 10 5 100.2 ELEV. D-BOELEV. BASEMENT a ° ELEV. (6" OF STONE UNDER OR 1500 GAL MECHANICALLY COMPACTED) SEPTIC TANK TEE SIZES: (TO BE CONFIRMED) 102.92 INLET: 6" UP, 13" DOWN ELEV. OUTLET: 6" UP, 14" DOWN GAS BAFFLE AT OUTLET TEE bath ---•- bed bath room - bed r� bed room I room 2nd floor DECK w 1 kitchen 0 dining bath room living C9 orch room bed room 1 st floor EXISTING FLOOR PLAN Permit valid for REPAIR OF SEPTIC SYSTEM ONLY, due to ,State and I ucal septic variances. Board,of Health review and apwoval is required for any. fut,irc to sewage facilities and/or structures/dvveflinK. Yar►nouth Ilealth Departutent TEST HOLE LOGS ENGINEER: THOMAS McLELLAN, P.E. WITNESS: AMY VON HONE, R.S. DATE: 1-4-18 PERCOLATION RATE: < 2 MIN/IN USGS GROUND WATER ADJUSTMENT: WELL: Al W-247, ZONE: A, ADJUSTMENT: 1.9' ADJUSTED GROUND WATER ELEV: 97.9 2" PEASTONE OR FILTER FABRIC - 3/4" - 1 1/2" DOUBLE WASHED STONE INSPECTION PORT /-- ELEV.= 103.75 lel . ° ° ° I' I J 101.92 4 4 ELEV. E -44.6'x 11' 6 -125 GALLON CHAMBERS (ACME LC -6) 4.02' WITH 4' OF STONE ALL AROUND (44.6'x IV 20) „ DEEP) ADJUSTED GROUND WATER ELEVATION = 97.9 NOTES: 1. VERTICAL DATUM: ASSUMED 2. MUNICAPAL WATER IS AVAILABLE. 3. SCHEDULE 40 - 4" PVC PIPE TO BE USED THROUGHOUT SEPTIC SYSTEM. 4. ALL PRECAST UNITS SUBJECT TO TRAFFIC LOADS TO CONFORM WITH AASHTO H-20 SPECIFICATIONS. 5. PIPE PITCH = 1/8" PER FOOT (UNLESS NOTED OTHERWISE). 6. FIRST 2' OF PIPE OUT OF D -BOX TO BE SET LEVEL. 7. THE SEPTIC SYSTEM HAS NOT BEEN DESIGNED TO ACCOMODATE THE USE OF A GARBAGE DISPOSAL. 8. ALL CONSTRUCTION DETAILS ARE TO BE IN CONFORMANCE WITH THE STATE OF MASS. ENVIRONMENTAL CODE (TITLE FIVE) AND LOCAL HEALTH REGULATIONS. 9. CONTRACTOR TO VERIFY LOCATIONS OF ALL UTILITIES PRIOR TO CONSTRUCTION. 10. GROUND COVER OVER ALL SEPTIC SYSTEM COMPONENTS NOT TO EXCEED T WITHOUT VARIANCE. 11. FIELD SURVEY PROVIDED BY TERRY A. WARNER, P.L.S., HARWICH, MA. 12. THIS PLAN REQUIRES THE REVIEW AND APPROVAL OF ONE OR MORE TOWN DEPARTMENTS AND IS SUBJECT TO CHANGE UNTIL SUCH TIME. 13. EXISTING LEACH PIT IS TO BE PUMPED, REMOVED AND REPLACED WITH CLEAN MEDIUM SAND. 14. D -BOX TO BE WATER TESTED TO ENSURE LEVELNESS AND EQUAL FLOW. 15. ALL UNSUITABLE SOIL (B HORIZON, APPROX. 30" DEEP) WITHIN 5' OF PROPOSED LEACH AREA IS TO BE REMOVED AND REPLACED WITH CLEAN MEDIUM SAND. TH-1 105.0 FILL ELEV. 6" O/A HORIZON LOAMY SAND 12„ 10YR 3/1 B HORIZON 104.0 LOAMY SAND 30" 10YR 5/8 C HORIZON 102.5 MEDIUM SAND PERC AT 42" 2.5Y 7/4 108" OBSERVED 96.0 126"1 GROUND WATER 94-5 NOTES: 1. VERTICAL DATUM: ASSUMED 2. MUNICAPAL WATER IS AVAILABLE. 3. SCHEDULE 40 - 4" PVC PIPE TO BE USED THROUGHOUT SEPTIC SYSTEM. 4. ALL PRECAST UNITS SUBJECT TO TRAFFIC LOADS TO CONFORM WITH AASHTO H-20 SPECIFICATIONS. 5. PIPE PITCH = 1/8" PER FOOT (UNLESS NOTED OTHERWISE). 6. FIRST 2' OF PIPE OUT OF D -BOX TO BE SET LEVEL. 7. THE SEPTIC SYSTEM HAS NOT BEEN DESIGNED TO ACCOMODATE THE USE OF A GARBAGE DISPOSAL. 8. ALL CONSTRUCTION DETAILS ARE TO BE IN CONFORMANCE WITH THE STATE OF MASS. ENVIRONMENTAL CODE (TITLE FIVE) AND LOCAL HEALTH REGULATIONS. 9. CONTRACTOR TO VERIFY LOCATIONS OF ALL UTILITIES PRIOR TO CONSTRUCTION. 10. GROUND COVER OVER ALL SEPTIC SYSTEM COMPONENTS NOT TO EXCEED T WITHOUT VARIANCE. 11. FIELD SURVEY PROVIDED BY TERRY A. WARNER, P.L.S., HARWICH, MA. 12. THIS PLAN REQUIRES THE REVIEW AND APPROVAL OF ONE OR MORE TOWN DEPARTMENTS AND IS SUBJECT TO CHANGE UNTIL SUCH TIME. 13. EXISTING LEACH PIT IS TO BE PUMPED, REMOVED AND REPLACED WITH CLEAN MEDIUM SAND. 14. D -BOX TO BE WATER TESTED TO ENSURE LEVELNESS AND EQUAL FLOW. 15. ALL UNSUITABLE SOIL (B HORIZON, APPROX. 30" DEEP) WITHIN 5' OF PROPOSED LEACH AREA IS TO BE REMOVED AND REPLACED WITH CLEAN MEDIUM SAND. J SITE PLAN LOCATION: 5 LOOKOUT RD., YARMOUTHPORT, MA PREPARED FOR: MIKE & SHARON ARPANO ATE: 1-16-18 SCALE:. 1" = 30� BASS RIVER ENGINEERING '-�. P.E. P.O. BOX 1163, EAST DENNIS, MA 02641 508-364-9048 'J �l BlameDate a`t 33471 c.. " L' y J SITE PLAN LOCATION: 5 LOOKOUT RD., YARMOUTHPORT, MA PREPARED FOR: MIKE & SHARON ARPANO ATE: 1-16-18 SCALE:. 1" = 30� BASS RIVER ENGINEERING '-�. P.E. P.O. BOX 1163, EAST DENNIS, MA 02641 508-364-9048