HomeMy WebLinkAbout95.17 - Septic System DesignACCESS COVERS MUST BE WITHIN 9' MINIMUM,
6- OF FINISH GRADE 3' MAXIMUM COVER MIN 2' OF PEASTONE
FIRST JO D314'OUBLE
- I I/2' DIA.
BE LEVELEL DOUBLE WASHED STONE
95.5
95.7 2' 40 MILL POLY
95.2 VAPOR BARRIER
3 OUTLET 2-500 GAL LEACHING CHAMBERS
EXISTING D -80X W/4' STONE AROUND. 12.8'r x 25'1 x 2'd
9I.5
1000 GAL
SEPTIC TANK 6- CRUSHED STONE OR
COMPACTED BASE
PROF I L E: NOT TO SCALE
l'�.r
SOIL REMOVAL N
SEE NOTE 9. �� �- �� 133• 6 /moi ------
0 ---0
1 02' 94' DR
91.7 1 ( / I,--- \\
D -BOX! _--
40 MILL POLY
VAPOR BARRIER
2-500 GALLON
LEACHING CHAMBERS I
� / [
JI'/4' STONE AROUND/ i ^ +97. J BM -LEFT CORNER OF } \ •\ �'\ \ \ \ \
TPrI DOOR JAM. EL -98.0
/95 ' \ �\ PA G BEDROOM BEDROOM
%• 7 SEX/STI NGS .\�� BATH m \
/ I XI LIVING
EXISTING 1000 G\\,, CHEN RAN \\ \\ \\
SEPTIC TANK KIT
p 7,/ ! !\\ 99.5 /\\ _ G BEDROOM M Q r
_ PRO 5ED PAVED DRIVE 1
_ADBitTION GARAGE \ \
r_ \
// 44 PROpp§ED p. {1ij,
V
I PAT. ISG,>.' U L o T
r r
! 20.082' S. F.
� AP
//,-u WEPT• ���-�'�/
LOCUS MAP
0 10 20 40
INVERT ELEVATIONS.
In CB
INVERT UUT SEPTIC TANK:
95.7
INVERT IN DIST. BOX.,
95.2
INVERT OUT DIST. BOX:
95.03
INVERT IN LEACH CHAMBER:
95.0
BOTTOM OF LEACH CHAMBER:
93.0
ADJUSTED GROUND WATER:
N/A
OBSERVED GROUND WATER:
N/A
BOTTOM OF TEST HOLE •1:
88.0
N
y
to
v
\
LEGEND
DESIGN CRITERIA:
DESIGN FLOW:
3 BEDROOMS AT //0 O.P.D. PER
BEDROOM EOUALS 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 C 5 MIN/INCH
SOIL TEXTURAL CLASS - I
EFFLUENT LOADING RATE - 0.74 GPD/SF
330 GPD / 0.74 GPD/SF - 446 S.F. REOUIRED
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 S
INDICATES INDICATES
PERCOLATION OBSERVED
TEST GROUNDWATER
TP +1
HORIZON TEXTURE
In CB
CONCRETE BOUND
-W-
WATER LINE
/2 -
................... ....................
O
HYDRANT
B LOAMY
IOYR
-G-
GAS LINE
7
/ O
- OHW-
OVER HEAD WIRES
.i
YJ
LIGHT POST
-E-
UNDERGROUND ELECTRIC LINE
-T-
UNDERGROUND TELEPHONE LINE
6/6
- CTV-
UNDERGROUND CABLEVISION LINE
ORA VEL
+ 40.4
SPOT ELEVATION
X140-,
EXISTING CONTOUR
401
PROPOSED CONTOUR
DESIGN CRITERIA:
DESIGN FLOW:
3 BEDROOMS AT //0 O.P.D. PER
BEDROOM EOUALS 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 C 5 MIN/INCH
SOIL TEXTURAL CLASS - I
EFFLUENT LOADING RATE - 0.74 GPD/SF
330 GPD / 0.74 GPD/SF - 446 S.F. REOUIRED
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 S
INDICATES INDICATES
PERCOLATION OBSERVED
TEST GROUNDWATER
TP +1
HORIZON TEXTURE
COLOR 97.0
0,
FILL
/2 -
................... ....................
96.0
B LOAMY
IOYR
SAND
5/8
22
.............. ............
95.2
C I COARSE
IOYR
SAND AND
6/6
ORA VEL
48-
108' 1 NO WATER L 88.0
DATE: MARCH 8. 2006
TEST BY: STEPHEN HAAS
WITNESSED BY: PHIL RENAUD
PERC RATE' C 2 A41 INCH
GENERAL NOTES:
I. THIS PLAN IS FOR THE DESIGN AND CONSTRUCTION
OF THE SEWAGE DISPOSAL SYSTEM AND PERMITTING
PURPOSES ONLY.
2. VERTICAL DATUM IS ASSUMED. FOR BENCH MARKS
SET. SEE SITE PLAN.
J. ALL CONSTRUCTION METHODS AND MATERIALS AND
MAINTENANCE OF THE SEPTIC SYSTEM SHALL
CONFORM TO MASS. D.E.P. TITLE 5 AND LOCAL
BOARD OF HEALTH REGULATIONS.
4. ALL SEPTIC SYSTEM COMPONENTS LOCATED UNDER
AREAS SUBJECT TO VEHICULAR TRAFFIC OR GREATER
THAN 3' IN DEPTH SHALL BE CAPABLE OF WITH-
STANDING H-20 WHEEL LOADS.
5. ALL SEWER PIPE SHALL BE SCHEDULE 40 OR
APPROVED EOUAL.
6. SEPTIC TANK AND D -BOX SHALL BE REINFORCED
PRECAST CONCRETE AND WATERTIGHT. D -BOX SHALL
BE WATER TESTED FOR LEVEL WHEN THERE IS MORE
THAN ONE OUTLET.
7. BEFORE CONSTRUCTION CALL -DIG -SAFE..
1 -888 -DIG -SAFE AND THE LOCAL WATER DEPT.
FOR LOCATION OF UNDERGROUND UTILITIES.
8. EXISTING LEACH PIT TO BE PUMPED DRY AND
BACKFILLED.
IL
1
SEP T / C S YS TEM DES / G/V
/7 COT7-0^1W000 STREET. MAP 95. PARCEL /7
YAA?"OUTHP0R T. "A .
PREPARED FOR :
BILL deMART/N
SOAL E : / - 20 APRIL .2-5. 2005
REVISED: NOVEMBER 3. 2006
EACL_E SUFRVEY I NG I NC
923 Route 6A
Yormouthport MA. 02675
( 508 ) 362-8132
( 508 ) 432-5333