207 Proposed Disposal System Design PROPOSED DOMESTIC SUBSURFACE DISPOSAL SYSTEM DESIGN
epared For: MAEK. LAVALLEr
cation: 6yLVEsYEiL RD, JJO THANIOTaci
ember of Bedrooms: 4- Garbage Disposal: N/f}
LEACH AREA DESIGN
4 Bedrooms x 2 persons/bedroom - S persons
8 Persons x 55 gallons of wastewater/person/day - 440 total gallons of
wastewater/day.
Rate: Z min/inch
lion of wastewater/square feet of leach area for a Percolation Rate of:
2 min/inch - Z. S Gal/SF Sidewall Area
1.0 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.
- SEPIIC TANK -
WITHOLT GARBAGE DISPOSAL:
440 Gallons of wastewater/day x 150% - 640 REQUIRED effective liquid
capacity of septic tank.
;COMMENDED:/$0044L. Septic Tank
In no case will the septic tank be less than 1,000 gallons (effective liquid capacity).
, WITH GARBAGE DISPOSAL:
Gallons of wastewater/day x 200% -
capacity of septic tank.
REQUIRED effective liquid
:COMMENDED: Septic Tank
• In no case will the septic tank be less than 1,500 gallons (effective liquid capacity)
ALMER HL'NTLEY. JR., & ASSOCIATES, INC.
LAND SCR\'EYORS • PROFESSIONAL ENGINEERS - LANDSC APE ARCHITECTS
LEACHING PIT DESIGN
ecast Pit Used: /0 ' Long x S ' Wide x z ' Effective Depth
ing 4' ' of stone all around and
DEWALL AREA:
l
' of stone under pit.
'8 ' Long x 3 ' Effective Depth x 2 Sides a /0£3 SF
/3 ' Wide z 3 ' Effective Depth x 2 Sides a 78 SF
tal of /86 SF (Sidewall Area) z 2.6 Gal/SF a SaS Gal/Pit (Sidewall)
TOM AREA:
/6 ' Long x /3 ' Wide a 731 SF
234 SF (Bottom Area) x /. 42 Gal/SF a 23 4 Gal/Pit (Bottom)
465 Gal/Pit (Sidewall)
234 Gal/Pit (Bottom)
699 TOTAL Gal/Pit (Designed)
Without Garbage Disposal. 440 Total Gal/Day (REQUIRED)
With Garbage Disposal: 1.5 x Gal/Day (Daily Flow) a Gal/Pit
(REQUIRED)
dug 440 Gal/Day (Daily Flow) 4;9g Gal/Pit a / Pit(s)
ALMER HUNTLEY,JR., & ASSOCIATES, INC.
LAND SURVEYORS • PROFESSIONAL ENGINEERS • LANDSCAPE ARCHITECTS
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ALMER HUNTLEY, JR. 8 ASSOCIATES , IN(
REGISTERED 125 PLEASANT STREET
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NORTHAMPTON , MASS .