296 Proposed Disposal System Design PROPOSED DOMESTIC SUBSURFACE DISPOSAL SYSTEM DESIGN
Prepared For: 2-2o b Cr-f L-eJ k-n
Location: Jy /veJ ler /Z c/ / N ' Ton
Number of Bedrooms: Garbage Disposal: YN
LEACH AREA DESIGN
11 Bedrooms x 2 persons/bedroom = $ persons
Persons x 55 gallons of wastewater/person/day =
wastewater/day.
Percolation Rate: 3 . 3 m_-/inch
4{ya
total gallons of
Gallon of wastewater/square feet of leach area for a Percolation Rate of:
3. 3
'tin/inch = Gal/SF Sidewall Area
Gal/SF Bottom Area
If a leach bed is to be installed, no sidewall is allowed.
If percolation rate exceeds 20 min/inch, no bottom area is allowed.
- SEPTIC TANK -
* 'WIIHOUT GARBAGE DISPOSAL:
Gallons of wastewater/day x 150% = REQUIRED effective liquid
capacity of septic tank.
RECOMMENDED: Septic Tank
* In no case will the septic tank be less than 1,000 gallons (effective liquid capacity) .
** WITH GARBAGE DISPOSAL:
4{442 Gallons of wastewater/day x 200% = e e o REQUIRED effective liquid
capacity of septic tank.
RECOMMENDED: h oc) Septic Tank
** In no case will the septic tank be less than 1,500 gallons (effective liquid capacity)
AI.AIER HC NTLEY. JR.. & ASSOCIATES, [NC.
LEACHING PIT DESIGN
' ' Effective Depth
Precast Pit Used: /CO Lon B x S Wide x 2
Using
/-/ ' of stone all around and 2 1' of stone under pit.
SIDEWALL AREA:
I qj ' Long x 277 ' Effective Depth x 2 Sides
75 SP
j(o SF
3 ' Wide x 2• '7 ' Effective Depth x 2 Sides
Tctal of t3 L( SF (Sidewall Area) x 2• /7 Cal/SF = 2- 7/ Gal/Pit (Sidewall)
33 TT CM AREA:
18 ' Long x (3 ' 'Wide = 2-39 SF
23 ,-/ SF (Bottom area) x p. B9 Gal/SF =
70 C) Gal/Pit (3ott:a)
z9 / Gal/Pit (Sid ewall)
zo8
Gal/Pit (3ottom)
4199 TOTAL Cal/Pit (Designed)
* Without Garbage Disposal:
Total GaL/Day (REQUIRED)
Va Gal/Day (Daily Flow) = G.G O Gal/Pit
(REQUIRED)
2. Pit(s)
* With Garbage Disposal: 1.5 x
Using
499
000 Gal/Day (Daily Flow) }
004-• Gal/Pit =
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P/T, /Vk//CHEYER /3 INC.
GREI TER.
ALMER HUNTLEY, JR a ASSOCIATES G,,NEeas
REGIS'ERE° L�?4C 53R :cr]RS L CI'
REET
125 PLEASANT STREET
NORTHAMPTON , MASS .