Lot 3 Disposal System Design PROPOSED DOMESTIC SUBSURFACE DISPOSAL SYSTEM DESIGN
Prepared For:
Location: 4 F 3, Lane GG N ',//
Number of Bedrooms: 3 Garbage Disposal: )4;
LEACH AREA DESIGN
.3 Bedrooms x 2 persons/bedroom = 4 persons
Persons x 55 gallons of wastewater/person/day = 3 3 0 total gallons of
wastewater/day,,
Percolation Rate: /J min/inch
Gallon of wastewater/square feet of leach area for a Percolation Rate of:
/$ min/inch - p. 6/° Gal/SF Sidewall Area
= 0. 5/3 Gal!SF Bottom Area
* If a leach bed is to be installed, no sidewall is allowed.
* If percolation rate exceeds 20 min/inch, no tctton area is allowed.
* WITHOUT GARBAGE DISPOSAL:
Gallons of wastewater/day x
capacity of septic tank.
-.E^ effective 1 i
RECO?f=NDEJ: Septic Tank
* In no case will the septic tank be less than 1,000 gallons (effective 1_-;uid capacity
** WITH GARBAGE DISPOSAL:
Sao Gallons cf wastewater/day x =__ . 6.60 Fa u:F.ED effect ve :_es'_d
capacity of septic tank.
RECOMMENDED: /520 / ed Septic Tank
** In no case will the septic tank be less than 1,500 gallons (effective liquid capacit:
ALNIER HUNTLEY. JR . & ASSOCIATES, INC.
LEACHING FIELD DESIGN
USING BOTTOM AREA ONLY:
7'30 Gallons (Total Daily Flow) ; e9• G(o gal/SP a .SHOO SF (REQUIRED)
Fie
hIngDF
• With Garbage Disposal: ,SO a, SF Leaching Field x 1.5 - 75-0 SF Leaching Fie
(REQUIRED)
/000 SF Leaching Field (Designed): So ' Long x Z o ' Wide
S:1E—ALL AREA
LEACHING TRENCH DESIGN
GaliSF x _ ' of effective depth x L' length x 2 sides =
of _rencn (sidewall) .
Gal/SF x ' wide x 1' length =
Ga
Gal/LF of trench (Sccfbc)
Gal/LF (Sidawall)
Gal/LF (3otcom)
TOTAL Gal/LF of trench
Total of Gal/Jay (flow) 7 Total Gal/Day/LF = LF of(REDL _
trench
* Ai:h :arbage Disposal:
LI of trench x 1.5 = LF of trench
(REQUIRED)
LF of trench (Designed): Trenches,
with ' Effective Depth.
Wide x
Lc
5EP7/C TANK
a/ar4/O07.LW ea 7o
OE SET Lenz . SUM
7o LIE 6'
SEINER fln - Size A3 NOTED ON PLAN
4/L ✓0/N73 70 OE IVATERT/6NT-
SLOPE • Ie/FT. /N/n)
HEADER PIPES PRON MNE 0OTR/O0T/4V
00X 70 or NON-PERFORATED AND
1 LW LEYEL FOR AT LEAST one
LEMONY OF P/PE
(
PLAN Y/EAV
e% F/N/SN ORAOE
EX/S7/4G atiVNO
5*•fi XA•
MASNEO 570NE
S/OE view
OOTTON OF F/ELO 70 OE MOR/ZONTAL
I' NW.. 70 6ROUNO MATER OR /NPERY/OU.i LAYER
F/N/SN btiAP
12'Covert (MRN.)
L2. -N%N 49 Oa PERF
P/PE
A
/6•MAX)
6N/N. EFFECT/YE OEPTN
4/4' W /%1 MASHED STONE
IfECT/ON - X
ALL SOAK 70 SE
DOVE IN accoftLLFNCe
N/TN THE 3TATE
ENY/AovNENTAL
CODE - TITLE S.
ALMER HUNTLEY, JR & ASSOCIATES, INC.
SURVEYORS - ENGINEERS - PLANNERS
125 PLEASANT STREET
NORTHAMPTON , MASS.
PROJECT NO. LSHEET
OF