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HomeMy WebLinkAboutEngineered Plan - 2018ACCESS COVERS MUST BE WITHIN 9" MINIMUM. 6" OF FINISH GRADE 3' MAXIMUM COVER FIRST 2' TO BE LEVEL MIN 2" OF PEASTONE OR FILTER FABRIC 4- DIAM PIPE 3/4" - 1 1/2' DIA. 7 • %9 DOUBLE WASHED STONE 96. 96.0 � 2 � 93.9 OAS J/ 96.17 95.9 BAFFLE 3 OUTLET 2-500 GAL LEACHING CHAMBERS EXISTING O -BOX W/4' STONE AROUND. 12.8'w x 25'1 x 2'd 1000 GAL H-20 SEPTIC TANK 6" CRUSHED STONE OR J COMPACTED BASE j PROFILE : NOT TO SCALE CATCH BASIN UP � ��re oos�_`� C� I--," 400� <� LOCUS MAP 0 r7 20 40 -2-500 GALLON -LEACHING CHAMBERS W14' STONE AROUND fM. CB FND -JFL-99.49 99.0 INVERT ELEVATIONS: INVERT OUT SEPTIC TANK: 96.7 INVERT IN DIST. BOX: 96.17 INVERT OUT DIST. BOX: 96.0 INVERT IN LEACH CHAMBER: 95.9 BOTTOM OF LEACH CHAMBER: 93.9 ADJUSTED GROUND WATER: N/A OBSERVED GROUND WATER: N/A LIGHT POST 3- -- -- - ---- -- ---- 98.5 ;UNDERGROUND CABLEVISION LINE B LOAMY IOYR EXISTING CONTOUR 99-0, _ r A 5/8 r ---------- - ---- l9 LOT98. C l I / 1 7 ! -1-/ 11.560± S' F. 518 I OY EXISTING f +99.4 / -� SEPTIC TANK \ �� "+98.5 +98.6 99.5 \ \ o j O'�j �1 �P•l e EXISTING �h 98.5LEACHING -1.. 5 O D -BOX • ' ' .�:.'.'.. ...E ::.: .� 98.7 ?s .'.'.'.:. • ::` +98- 7 C� I--," 400� <� LOCUS MAP 0 r7 20 40 -2-500 GALLON -LEACHING CHAMBERS W14' STONE AROUND fM. CB FND -JFL-99.49 99.0 INVERT ELEVATIONS: INVERT OUT SEPTIC TANK: 96.7 INVERT IN DIST. BOX: 96.17 INVERT OUT DIST. BOX: 96.0 INVERT IN LEACH CHAMBER: 95.9 BOTTOM OF LEACH CHAMBER: 93.9 ADJUSTED GROUND WATER: N/A OBSERVED GROUND WATER: N/A BOTTOM OF TEST HOLE *l: 88.7 DESIGN CRITERIA: DESIGN FLOW: 2 BEDROOMS, DESIGN FOR 3 BEDROOMS MIN AT 110 G.P.D. PER BEDROOM EQUALS 330 G.P.D. NO GARBAGE GRINDER SEPTIC TANK REQUIRED: 330 G.P.D. X 200x - 660 GAL. SEPTIC TANK PROVIDED: 1000 GAL. EXISTING SOIL ABSORPTION SYSTEM REQUIRED: DESIGN PERC RATE ! 5 MIN/INCH So I L TEXTURAL CLASS - I EFFLUENT LOADING RATE - 0.74 GPD/SF 330 GPD / 0.74 GPD/SF - 446 S.F. REQUIRED PROVIDED: 2-500 GAL LEACHING CHAMBERS W/4' STONE AROUND. A-471 S.F. 471 S. F. x 0.74 - 348 G. P. D. SOIL TEST PIT DA TA INDICA TES INDICA TES PERCOLATION OBSERVED TEST GROUNDWATER TP *1 0' HORIZON TEXTURE COLOR 98.7 -W A LOAMY IOYR -G GAS L INE 0HW1 SAND 3/3 LIGHT POST 3- -- -- - ---- -- ---- 98.5 ;UNDERGROUND CABLEVISION LINE B LOAMY IOYR EXISTING CONTOUR {40 i PROPOSED CONTOUR SAND 5/8 24" ---------- - ---- 96.7 C l MEDIUM IOYR SAND 518 52" GENERAL NO TES : / . THIS PLAN is FOR THE DESIGN AND CONSTRUCTION OF THE SEW GE DISPOSAL SYSTEM ONLY. 2. VERTICAL DATUM IS ASSUMED. FOR BENCH MARKS SET. SEE S, TE PLAN. J. ALL CONSTRUCTION METHODS AND MATERIALS AND MAINTENANCE OF THE SEPTIC SYSTEM SHALL CONFORM TOMASS. D.E.P. TITLE 5 AND LOCAL BOARD OF HEAL TH REGULA TIONS. 4. ALL SEPTIC SYSTEM COMPONENTS LOCATED UNDER AREAS SUBJ CT TO VEHICULAR TRAFFIC OR GREATER THAN 3' IN DEPTH SHALL BE CAPABLE OF WITH- STANDING H-20 WHEEL LOADS. 5. ALL SEWER 1PE SHALL BE SCHEDULE 40 PVC OR APPROVED EUAL. 6. SEPTIC TAN( AND D -BOX SHALL BE REINFORCED PRECAST CO CRETE OR APPROVED POLYETHYLENE. BOTH SHALL BE WATERTIGHT. D -BOX SHALL BE WATER TESTED FOR LEVEL WHEN THERE lS MORE THAN ONE OUTLET. 7. BEFORE CO TRUCTION CALL 'DIG -SAFE'. 1-888-DIC-5AFE AND THE LOCAL WATER DEPT. FOR LOCATION OF UNDERGROUND UTILITIES. 8. EXISTING LEACHING TO BE PUMPED DRY AND ABANDONED. 9. EXISTING `EPT I C TANK TO BE PUMPED AND CLEANED. INSPECT AND REPLACE INLET TEE IF REQUIRED, 12011 NO WATER L 88.7 DATE: JANUARY 25. 2018 o TEST BY: STEPHEN HAAS CB WITNESSED BY: AMY VONHONE PERC RATE: f 2 MINIINCH-- Yarmouth Health Department Yr lVED C, V Rnme Date LEGEND a CB CONCRETE BOUND -W WATER L I NE O HYDRANT -G GAS L INE 0HW1 OVER HEAD WIRES 1#_ LIGHT POST --E- UNDERGROUND ELECTRIC LINE -T- UDERGROUND TELEPHONE LINE - CTV- ;UNDERGROUND CABLEVISION LINE +40.4 SPOT ELEVATION ,, ...• -40 ....... EXISTING CONTOUR {40 i PROPOSED CONTOUR iSN OT MAS JOHN Z. DEMAREST, JR. e, No. 36859- Yarmouth 6859_, SEDT l C SYSTEt\ 4 MATT/ S OR l VE. MAP 1 YARMOUTI-1 POF PREPARED FO DAVID AND li Z DESIGN I PARCEL_ 0 T. MA . RSON SCAL E : I _ 20 ' FESRAR Y 22 . 2018 STEPHEN A. HAAS -ENGINEERING �, P.O. Box 16 / iT� � ���� South Dennis, MA 02660 ; k,II (5 0 8) Z62 -81Z2 JOB NO: 18-001