HomeMy WebLinkAbout78 Wendward Way - Septic Design 2I
ACCESS COVERS MUST BE WI
6. OF FINISH GRADE
IQ3 83 FIRST 2' TO
z n BE LEVEL
9• MINIMUM.
3' MAXIMUM COVER
MIN 2' OF PEASTONE
OR FILTER FABRIC
3/4' = 1 1/2- DIA.
U \0 0 3 a1O �2' �= DOUBLE WASHED STONE
BAs
BAFFLE- 47 i
3 OUTLET 4-500 GAL LEACHING CHAMBERS
D -BOX
W/2' STONE AROUND. 8.8'r x 46'1 x 2'd
1500 GAL
SEPTIC TANK 6- CRUSHED STONE OR
COMPACTED BASE
PROF I L E : NOT TO SCALE
INVERT EL E VA T I ONS
INVERT
AT BUILDING:
10/.25
INVERT
IN SEPTIC TANK:
100.0
INVERT
OUT SEPTIC TANK:
99.75
INVERT
IN DIST. BOX:
99.47
INVERT
OUT DIST, BOX:
99.3
INVERT
IN LEACH CHAMBER.,
99.2
BOTTOM
OF LEACH CHAMBER:
97.2
ADJUSTED GROUND WATER:
N/A
OBSERVED GROUND WATER:
N/A
BOTTOM OF TEST HOLE sl: 91.0
N
DES I GN CR I TER I A :
GENERAL NOTES:
DESIGN FLOW:
COLOR
A LOAMY
IOYR
4 BEDROOMS AT 110 G.P.D. PER
I.
THIS PLAN IS FOR THE DESIGN AND CONSTRUCTION
BEDROOM EQUALS 440 G.P.D.
9'
OF'I THE SEWAGE DISPOSAL SYSTEM ONLY.
NO GARBAGE GRINDER
Z.
VERTICAL DATUM IS ASSUMED. FOR BENCH MARKS
B
LOAMY
SET. SEE SITE PLAN.
SEPTIC TANK REQUIRED:
SAND
440 G.P.O. X 200x - 880 GAL.
J.
ALL CONSTRUCTION METHODS AND MATERIALS AND
SEPTIC TANK PROVIDED. 1500 GAL. MIN.
MAINTENANCE OF THE SEPTIC SYSTEM SHALL
C I
MEDIUM
CONFORM TO MASS. D.E.P. TITLE 5 AND LOCAL
SOIL ABSORPTION SYSTEM REQUIRED:
BOARD OF HEALTH REGULATIONS,
DESIGN PERC RATE ( 5 MIN/INCH
GRAVEL
SOIL TEXTURAL CLASS - 1
4.
ALL SEPTIC SYSTEM COMPONENTS LOCATED UNDER
EFFLUENT LOADING RATE - 0.74 GPD/SF
AREAS SUBJECT TO VEHICULAR TRAFFIC OR GREATER
440 GPD / 0.74 GPD/SF - 595 S.F. REQUIRED
THAN 3' IN DEPTH SHALL BE CAPABLE OF WITH-
STANDING H-20 WHEEL LOADS.
PROVIDED: 4-500 GAL LEACHING CHAMBERS
W/2' STONE AROUND. A-624 S.F,
5.
ALL SEWER PIPE SHALL BE SCHEDULE 40 PVC OR
624 S.F. x 0.74 - 462 G.P.D.
APPROVED EQUAL.
6.
SEPTIC
TANK AND D -BOX SHALL BE REINFORCED
SOIL TES T PIT DA TA &
PRECAST CONCRETE OR APPROVED POLYETHYLENE.
807H SHALL BE WATERTIGHT. D -BOX SHALL BE WATER
INDICATES INDICATES
PERCOLATION_ OBSERVED
TESTED FOR LEVEL WHEN THERE 1S MORE THAN ONE
TEST GROUNDWATER
OUTLET.
TP •I
0-
HORIZON
TEXTURE
COLOR
A LOAMY
IOYR
SAND
3/4
9'
B
LOAMY
IOYR
SAND
4/6
26
-----------•--------
C I
MEDIUM
IOYR
SAND
6/6
GRAVEL
40
126=
DATE: DECEMBER 1. 2011
TEST BY: STEPHEN HAAS
WITNESSED BY: AMY VONHONE
PERC RATE: ( 2 MIN/INCH
7. BEFORE CONSTRUCTION CALL DIG -SAFE .
1 -1888 -DIG -SAFE AND THE LOCAL WATER DEPT.
101.5 FOR LOCATION OF UNDERGROUND UTILITIES.
100.8 8. SEPTIC SYSTEM INSTALLER SHALL NOTIFY THE
DESIGN ENGINEER TWO DAYS PRIOR TO CONSTRUCTION
OF THE SYSTEM TO ALLOW FOR SCHEDULING OF THE
99.2 CONSTRUCTION INSPECTIONS.
9. EXISTING CESSPOOL TO BE PUMPED DRY AND
BACKFILLED.
10. ALL UNSUITABLE MATERIAL (A 6 8 HORIZONS)
ENCOUNTERED BELOW THE INVERT OF THE LEACHING
FACILITY TO BE REMOVED FOR A DISTANCE OF 5'
AROUND AND REPLACED W17H SAND IN ACCORDANCE
I Ti4 TITLE S.
RECEIVED
91.0
IM 02 N33
BUILDING DEPARTMENT
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