HomeMy WebLinkAboutEngineered Plans - Rev. 1998i
WEST YARMMTK MA
PLAN REFERENCE CONTOURS
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PLAN BOOK 238 PAGE I EXISTING - - - - - - - 20 JACKSON
ASSESSOR'S MAP: 46 FINAL 1`21 STREET
LOT: 145 FINAL SPOT GRADE X 20.5 IN
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64ftx7ftx6in ft 20 TO SCALE
LEACH FIELD 120,0 o
SOIL REMOVAL AREA
21 D -BOX
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lY Z N I,Go X LL Q PL N I FOR PROPOSED ADDITION TO EXISTING DWELLING
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F- \' b OV> SCALE.- in -30 ft°f MR. STEVE WRIGHTINGTON
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94 COOLIDGE ROAD WEST YARMOUTH. MA
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' """"� ' S A DRAFT PLAN UNLESS IT
THIS PLAN IS TO BE CONSIDERED
BEARS THE STAMP AND SIGNATURE OF THE DESIGN ENGINEER
ORIGINAL PLANS INTENDED FOR SUBMITTAL TO THE BOARD
OF HEALTH WILL BE SIGNED IN BLUE AND STAMPED IN RED.
TEST:
SOIL TEST LOG SOILEEOVA UA OR: DAVID"D5 CIOUGHANOWR. RS
WITNESSED BY: BRUCE MURPHY. HEALTH AGENT
TEST BORING I
ELEVATION - 19.97 •-
GROUNDWATER ENCOUNTERED AT 65 in
PARENT MATERIAL: PROGLACIAL OUTWASH
PERC RATE: 2 MIN/INCH IN C SOILS
DEPTH
(INCHES)
SOIL
HORIZON
USDA SOIL
TEXTURE
SOL COLOR
(MUNISELL)
SOL
MOTTLING
OTHER
0-4
0
WOOD LOAM
7.5 YR 25/2
NOPE
FRIABLE
4-6
E
LOAMY SAND
10 YR 3/I
NOME
FRIABLE
6-11
A
LOAMY SAND
7.5 YR 3/3
NONE
FRIABLE
1 F3
B
LOAMT SAND
10 YR 4/6
NOPE
LOOSE
32-85
C
COARSE SAND
10 YR 5/6
NONE
LOOSE. 20*4 GRAVEL
GROUNDWATER
ADJUSTME
NT (FRIMPTER METHOD)
I
.OBSERVED
GROUNDWATER
LEVEL: 14.55
=. 1ND_E WELL:
AIW-230 - ZONE E
READING:
MARCH. 1998
LEVEL:
20.8
ADJUSTMENT:
0.5
ESTIMATED HIGH
GROUNDWATER LEVEL: 15.05
LEACHING FIELD DETAIL -NOT TO SCALE
DISTRIBUTION LINES TO SLOPE AT .005 ft PER ft
DISTRIBUTION LINES TO BE SCH 40 PERFORATED PIPE
CAP ENDS OF PIPE
41
64 ft
DESIGN CALCULATIONS
DESIGN FLOW: 3 BEDROOMS X 110 GPD - 330 GPD
SEPTIC TANK: 330 GPD X 2 DAYS - 660 GALLONS
USE EXISTING 1000 GALLON SEPTIC TANK
DISTRIBUTION BOX: USE 3 OUTLET D -BOX
SOIL ABSORBTION SYSTEM: A 64 ft x 7 ft x 6 in LEACHING FIELD CAN LEACH
Abot - (64 x 7 ) - 448 sf
V 0.74 x 448 - 331.5 GPD
USE A 64 f t x 7 f t x 6 in FIELD. Vt - 331.5 GPD > 330 GPD REQUIRED
NOTES
1) GARBAGE GRINDER NOT ALLOWED WITH THIS DESIGN
2) ALL LINES TO BE SCH 40 PVC AND PITCH AT 1/8 INCH PER FOOT MINIMUM.
3) ALL COMPONENTS INSTALLED SHALL MEET THE MINIMUM REQUIREMENTS
OF MASSACHUSETTS TITLE 5 SEPTIC CODE (310 CMR 15)
4) INSTALLER TO VERIFY LOCATIONS OF ALL UNDERGROUND UTILITIES
BEFORE EXCAVATING FOR SYSTEM. TELEPHONE LINE TO BE REROUTED AWAY FROM SYSTEM
5) EXISTING LEACH FIELD TO BE ABANDONED IN PLACE
6) ALL STONE TO BE DOUBLE WASHED AND FREE OF IRON. FINES AND DUST IN PLACE
7) LINES EXITING D -BOX TO RUN LEVEL FOR 2'-0' BEFORE PITCHING DOWN
8) ECO -TECH ENVIRONMENTAL RECOMMENDS THE INSTALLATION OF LOW FLOW FIXTURES
AND APPLIANCES, AND BIANNUAL PUMPING OF THE SEPTIC TANK
9) SYSTEM IS NOT DESIGNED TO WITHSTAND VEHICULAR LOADING. DO NOT
PARK OR DRIVE VEHICLES OVER SEPTIC SYSTEM.
10) INSTALLER TO OBTAIN DISPOSAL WORKS PERMIT BEFORE STARTING WORK.
11) SEPTIC TANKS SHALL BE INSTALLED LEVEL AND TRUE TO GRADE ON A LEVEL
STABLE BASE THAT HAS BEEN MECHANICALLY COMPACTED AND ON TO WHICH
SIX INCHES OF CRUSHED STONE HAS BEEN PLACED TO MINIMIZE UNEVEN SETTLING
12) UNSUITABLE SOILS ENCOUNTERED WITHIN THE SOIL REMOVAL AREA ARE TO
BE REMOVED DOWN TO THE MEDIUM SAND STRATUM AND REPLACED
WITH CLEAN MEDIUM SAND COMPACTED IN PLACE TO MINIMIZE SETTLING
13) EXISTING SEPTIC TANK TO BE PUMPED AND MOVED TO LEVEL AND POSITION SPECIFIED.
INTERIOR PLUMBING TO BE MODIFIED IN SUCH A MANNER SO AS TO PERMIT A NEW BUILDING
SEWER TO BE INSTALLED AT LEVEL AND POSITION INDICATED.
14) 40 MIL POLY LINER TO BE INSTALLED OS SHOWN ON PLAN.