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HomeMy WebLinkAboutEngineered Plan - 2015I- LOCUS ' co Z G �� FR BASS RIVER RD NKEY: 4 EXISTING CONTOUR: - - - - PROPOSED CONTOUR: •---•-••••--• EXISTING SPOT ELEVATION: 25.5 PROPOSED SPOT ELEVATION. 25.5 TEST HOLE: _* UTILITY POLE: -O- FENCE LINE: HYDRANT: .6 - RETAINING WALL: PARCEL 72 0 (9,233 SF) ASSESSORS MAP: 70 PARCEL: 72 LAND COURT ,CASE # 22604B LFO O�fl'F Xq_ \ O Cb QPJAll { `\ E { { \ 000, 0, 96 3S kp fop�'LFFO�tic �`�u' lla"FR!, .70 i SEPTIC SYSTEM DESIGN FLOW ESTIMATE: (3 BEDROOM DESIGN, MINIMUM) I 3 BEDROOMS AT 110 GAL / DAY = 330 GAL / DAY 14 SEPTIC TANK: 330 GAL / DAY x 2 DAYS = 660 GAL USE 1000 GALLON SEPTIC TANK (EXISTING) j ^LEACHING AREA: I USE 2 - 500 GALLON CHAMBERS (8.5'x 4.8'x 2' EFF. DEPTH) 4' OF STONE ALL AROUND (25'x 12.8'x 2' DEEP) SIDE AREA: (251+ 12.8') x 2 x 2 = 151 SF (0.74) = 112 GAUDAYY, BOTTOM AREA: 25'x 12.8'= 320 SF (0.74) =-L37 GAUDAY CAPACITY = 349 GAUDAY P BENCHMARK AT MIDDLE SONOTUBE ELEVATION = 90.28 s -3-_ 96 oS Stone Ret. wall -_ 94 \ 94 90 - FIRE PIT 92 SEPTIC SYSTEM SECTION 97.18 TOP OF ° FOUNDATION d 88.45/ ELEV. - COVERS WITHIN 6" OF FINISHED GRAS 1000 GAL SEPTIC TANK UNDER BASEMENT SLAB TEE SIZES: (TO BE CONFIRMED) INLET: 6" UP 13" DOWN OUTLET: 6" IJP, 14" DOWN BED LIVING ROOM ROOM I GARAGE BED I DINING ROOM BATH KITCHEN 1st FLOOR I DECK FAMILY BASEMENT ROOM BATH WALK -OUT BASEMENT I I EXISTING FLOOR PLAN I Yarmouth Nealtii Doportmentt LP?VED lime Date Y - - INf G 3/ PEASTONE OR FILTER FABRIC 3/4" - 1 1/2" WASHED STONE INSPECTION PORT ,-- ELEV.= 88.22 T MAX. COVER (1' MIN) ELEV. ELEV. I,I9°°°I'It185.39 D -BOX H H ELEV. (6" STONE UNDER) 4' 4' 25'x 12.8' 87.39 2 - 500 GALLON CHAMBERS WITH ELEV. 40(25' x0NE 12.8'x LAROUND2' DEE) -GAS BAFFLE AT OUTLET TEE TEST HOLE LOGS ENGINEER: THOMAS McLELLAN, P.E. WITNESS: AMY VON HONE, R.S. DATE: 5-7-15 PERCOLATION RATE: <2 MIN/IN TH-1 91.0 O/A HORIZON ELEV. LOAMY SAND 10YR 4/2 90.3 B HORIZON LOAMY SAND 10YR 5/8 88.8 C HORIZON MEDIUM SAND 2.5Y 6/6 PERC AT 48" 132" 180.0 NO GROUND WATER ENCOUNTERED 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 = 1/4" 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 3'. 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 AND REMOVED. . 14. D -BOX TO BE WATER TESTED TO ENSURE LEVELNESS AND EQUAL FLOW. Ix.97 T116MASJ SITE PLAN LOCATION: 40 HIGHBANK RD., S.YARMOUTH, MA PREPARED FOR: PETER LEGER DATE: 5-14-15 SCALE: 1" = 20'J BASS RIVER ENGINEERING P E P.O. BOX 1163, EAST DENNIS, MA 02641 508-385-3426 OR 508-364-9048