12C-001 54 north farms road conservation (2)PROPOSED INDIVIDUAL SUBSURFACE SEWAGE DISPOSAL SYSTEM
84 N TH FARMS J9MD NORTHAMPTON
DESIGN CALCULATIONS
EXISTING SOIL ABSORBTION SYSTEM x
3 BEDROOM! HOUSE ! 110 GALLOWS PER BEDROOM = 330 GALLONS ( SEE NOTES) G '� F o l
330 GALLONS x 1.5 (NORTHAMPTON REQUIREMENT) 495 GPD SHED ` p�
PERC RATE = 4 MINUTES PER INCH C
DESIGN RATE - S MINUTES PER INCH
EFFLUENT LOADING RATE CLASS I SOILS - 0.74 GPD /SQ !T. ��.
3 INFILTRATOR TRENCHES - (36'1 x 3'w X 1.5 )
SIDES)(36'1 x_1.5'h)6. SIDES - 324 SQ. FT. x 0.74 - 23.9.76 GALS
ENDS: (3'w X 1.5'h)6 ENDS - 27 SQ. FT. x 0.74 - 19.98 GALS
BOTTOM 239376 1 als qa gallons 23 .
239.76 gallons 499.50 GAL 1
then: s
gals
FLOM - 493 GPD
DESIGN FLOW - 499 GpD EXISTING POND
PLAN VIEW
SCALE C� = Zo z
a
O
- z
EXISTING SEWER LIN
pfTE LANE
R
EXISTING �Lo
-3 BEDROOM HOUSE
6 H
oC
AREA - -
HAY BALES /SILT FENCE
SINK /LAUNDRY WASTE ( see es)
lo ,,_ �, ,�
EXISTI
G SEPTIC
5
TANK
PLAN OF
PROPOSED 1000 GALLON IC TANK
L PROPO
150
SEPTIC
PROPOSED SUBSURFACE SEWAGE
DISPOSAL SYSTEM!
- . 0 2
4' Pt ►C PIPB (solid: S ).
WYE CONNECTOR
4' PVC PIPE (solid:
_ .02)
TAW
84 NORTH FARMS ROAD
2' FORCE MAIN
NORTHAMPTON, MA.
/ ROPOSED PUMP CHAMBE
0
OH —D 0 -H C
SLOPE _
(3:1)
J IX TST CONTOURS
rR OposED CONTOURS
b
q c1�
OH —A �
ERC
0 —H
100
Al
v�
A
PROPERTY OF PATRICK
MCCOY
t
�
PIPE
PROPOSED DISTRIBUTION BOX
A A .
A
37/
•
g o
EDGE OF WETLAND ( see notes) °� b,
4' PVC PIPE (so (s =.02)
75
/
M - NAIL
1—
'�
iN
TREE
N
J
HAY BALES /SILT FENCE
6
0 (ASSUME 100.
c }. avi
c
V) Q U
-EDGE OF BUFFER ZONE 0 -11 B
PROPERTY�LINES (see notes)
TO BE EXCAVATED ( 46FL x
37' x 5'D
-
/ z C -
I
c�, FI
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