35-218 (4) . P"oNe413-szi-aa3a
6 5JIgary R. Swan,�Ot -
EAST STREET
PROFESSIONAL ENGINEER SOUTHAMPTON. MASS. 01073
I , Gary R . Swanson, Massachusetts registered professional
engineer, do hereby certify that percolation and deep hole._.
testing was performed as indicated below by Mr. James H .
Watkins under my supervision and authority to perform such
testing for the below-designated building lot in accordance
with 310 CMR 15.00, Mass . Environmental Code, Title 5; that
the results provided below are true and correct for the
building lot at the location shown on the accompanying site
plan prepared by Heritage Surveys, Southampton, Mass . entitled:
"Definitive Subdivision Plan of Tinkham Woods, Northampton,
Mass ." dated June 7, 1984; and that the designated building
lot is suitable for the construction of an on-site domestic
sewage disposal system in accordance with the above-referenced
Code .
CLIENT : Tinkham Woods Development Corp.
LOT NO : 3 6-4-84
DATE PERFORMED: cont . of 5-29 SOIL LOG: TEST PIT NO. 3
HEALTH DEPT . WITNESS:
P . McErloin 6„ topsoil
BACKHOE: Jos . Misterka, Inc . fine sandy
.�;
PERCOLATION RATE : 42 min . in. 2' subsoil
DESIGN RATE : 2 min ./in .
GROUNDWATER : none ,med. sand
DEPTH OF PERCOLATION HOLE
(TOP) : 3 ft ,
7'
�N OF k'�S ;^ fine sona
t yGl
GARY R. 101
SWANSON
No. 799
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AUMER HUNTLEY, JR. a ASSOCIATES , 1NC
RE.l15'E;;E0 L` 4':) SiR :EY'�"RS L C' PL ENGfNEERS
125 PLEASANT STREET
. LEACHING PIT DESI V
sue,
Precast Pit used: ��' Long x 1 ' kilo x 2 ' Effective Bz^.h
sing �_' of stone all around and of stone under pit.
SIDEWALL AREA:
7r,:g x 3. ' F-'- e D Y ., x 2 Sides = SF
'+;ide x -=iective Depth x 2 Saes = qt SF
Total of 2/ 7 SF (Sidewall area) x Z �c-= 1/SF = .SZ Gal/?it (Si-:=«ail)
_ _ t
S TT-'M �R EIA:
amide - Z Z ` S=
2- 31/ SF (Bottoms yre=) x ,:al, S-F' = 3 y `aL/Pit
U y Z Ga1; Pit �Si = all)
Z -3
ALMFR HUNTL.EY, JR., & A.SSOCIAT£S. INC-
� 2
PROPOSED DOMESTIC SUBSURFACE DI;?'POSAL SYSTEM DESIQ
Prepared For: / er/G (fU61afk p
Location: Zo rte1-141/N GUoa121J Al-
Number
of Bedrooms: 13 varaage Disposal:
Bedrooms x 2 per. :s,'nearo:m = persons
to Persons x 55 gal_ :.s of :caste:._aces. -arson/day = .3_3 O total gallons of
wastewater day.
Percolation Rate: 2 D __n in-_h
__ on of ;:astewater; s4'-,are .cct _t led-` tJr a ?ercD1at4.... Rate of:
Area
-�tt,._... Area
* if red _s _s allowed.
._—__-----'---------------------------------'-------------------------------------------------
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** In no case will the septic tank be less than 1,500 gallons (effective liquid capacit
�nCIATES. INC
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