340 Disposal System Design & Perc Tests PROPOSED DOMESTIC SUBSURFACE DISPOSAL SYSTEM DESIGN
Prepared For: rent FA/ her
Location: € (,
Number of Bedrooms: 4/ Garbage Disposal: 77::' Se rem 06'4' o/
LEACH AREA DESIGN
Si Bedrooms x 2 persons/bedroom = 8 persons
$ Persons x 55 gallons of wastewater/person/day a c/NO total gallons of
wastewater/day. X /. 5 _ 44o
Percolation Rate: / 0 min/inch
Gallon of wastewater/square feet of leach area for a Percolation Rate of:
/0 min/inch = /- O Gal/SF Sidewall Area
= O.S5 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 -
* WITHOUT GARBAGE DISPOSAL:
Gallons of wastewater/day x 150% =
capacity of septic tank.
RECOMMENDED: Septic Tank
REQUIRED effective liquid
* 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.
RECOMMENDED: Septic Tank
REQUIRED effective liquid
** In no case will the septic tank be less than 1,500 gallons (effective liquid capacity)
ALh1ER HUNTLEY, JR., & ASSOCIATES, INC.
LAND SUR\'EYORS - PROFESSIONAL ENGINEERS - LANDSCAPE ARCHITECTS
LEACHING FIELD DESIGN
USING BOTTOM AREA ONLY:
(y CrO Gallons (Total Daily Flow) ; D. S-Se gal/SF = /Zoo
* With Garbage Disposal:
SF Leaching Field
(REQUIRED)
SF Leaching Field x 1.5 = SF Leaching
Field
/Z Do SF Leaching Field (Designed): 60 ' Long it Lo • Wide
LEACHING TRENCH DESIGN
SIDEWALL AREA:
Gal/SF x ' of effective depth x 1' length x 2 sides =
of trench (siderall).
BOTTOM Ate?:
Gal/SF x
Total of
trench
Gal/I.F
' wide x 1' length = Gal/LF of trench (bottom).
Gal/Day (flow)
Gal/LF (Sidewall)
Gal/LF (Bottom)
TOTAL Gal/LF of trench
Total Gal/Day/LF = LF of trench
(REQUIRED)
* With Garbage Disposal: LF of trench x 1.5 =
LF of trench
(REQUIRED)
LF of trench (Designed): Trenches, ' Wide x ' Long
with ' Effective Depth.
ALMER HUNTLEY, )R., & ASSOCIATES, INC.
SURVEYORS • ENGINEERS - PLANNERS
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1 1 PUMP — a
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VIEW µWNae FRAMES avec
PLAN VIE . As 5PECiFIED W OEWERAL NOTES.
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ELEVATION MERCURY LEVEL comma SWTCN two
PUMP CHAMBER DETAIL •
NOT TO SCALE
SEPTIC TANK
vs r4/eo7R?N SOX TO
ee SET
61 LEVEL . S
TO UM
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SEIVER PIPE - SIZE AS NOTED ON PLAN
411 JOINTS 7V OE MATERT/6NT-
$LOPE - I/O /fT. /MIN) •
HEADER P/PE3 ARAN THE D4TR/e!?
SOX TO OE MOH..flAPO ATED ANC
- -7 LBO LEVEL FOR AT LEAST ONE
' LENONT OF P/PE
A
(e MAX.)
1
1
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I PLAN pew
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e% F/N/SN 6RAOE
(M/N)
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fir A Sri
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SIDE VIEW
3077ON Of FIELD TO OE /AM/ZONTAL
I• M/N. TO &ROUND MATER OA IMPERVIOUS LIVER
2%(N/N) PhVISN°RIDE
12' COVER (MAN.)
'E2TMiN flM.. PERF
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CNN EFFECTIVE DEPTN
a/p• w /7i IVASAEO570NE
SQ
EC70A1 - a
ALL MORK TO OE
CONE IN ACCORDANCE
M/TAI THE STATE
ENVIRONMENTAL
CODE - TITLE d.
ALMER HUNTLEY, JR. & ASSOCIATES, INC.
SURVEYORS - ENGINEERS - PLANNERS
125 PLEASANT STREET
NORTHAMPTON , MASS.
PROJECT NO.
77110S pL LON
eV "-
IS 1
q
apnord 7711-3131r402 .8 011.7135
„a-i . COW
NOES:
. Wiring in pump/chamber to be waterproof and explosion proof.Three• chamber. Theset switches shall access
shall be molded or abrasion and mcorrosion resistant
polypropylene and shall contain one hermeticaly sealed SPDT Mercury Switch
Level shall be app
float switches be le ALS2-3 Liquid
Loud Sensors or approval equal. The hreeconductor cabs shall be sealed
to the floats
and shall support the unit Switch cables are Co be secured to
the inside wall of the acres manhole
D using stainless
equal. wdgheslamps,be
Blackburn, Series "D", Catalog
set at elevations shown on Pap Chamber Detail
Install tee cut off one inch above the outlet invert of the distribution box
on the force main per Title V, Section 15.10-2. grade to be
Light duty cast iron 24" I.D. Frame and cover with manhole to g
• installed over the access manhole on pimp Inc. or approved
. The concrete units specified are as made by Rotondo 6 Sons,
equal.
Septic Tank: Precast Septic Tank ST 5 x 10 - 1500 gallon if required.
Pump Chamber: Precast tic pump T 5 x chamber)0 - 1500 gallons
(r uSep
Distribution Box: Precast Distribution Box DB-5 with Baffle.
Pu Gould l
control panel
b mounted on an
nganl interior wall of the house. Panel to
All wiring to be done by an electrician licensed in the State of
Massachusetts.
All plumbing to 10' outside of wall to be done by a plumber licensed in the
State of Massachusetts.
. Contractor to procure all necessary permits and licenses before the start of
this project.
P(Imp is to be Gould Model WP0712, 3/4 HP, 230 Volts, 1 phase, 1750 RPM, 23 GPM
at 28 TDH effluent pump, of equal. One pump will be. required.
24" I.D. Cast Iron Frame and Cover to be as made by Neenah Foundry Company
R-1793-FL Solid Cover Light Duty or approved equal.
All gravity sewer piping to be
•• Piping in leaching field to be
4" PVC SDR-35 Ring Tight Pipe unless noted.
solid and perforated 4" PVC, Type "A pipe.
ement will be used to
All concrete structures to be watertight. Hydraulic c
fix pipes in place. Extra inlets and outlets to be filled flush to surface of
unit with cement. Pump chamber and septic tank exterior to receive two coats
of bitumastic.
Pumping Volume:
375 gal/ft x 2.0' storage - 750 gallons per dosing cycle
1200 SP leaching trench x 0.063' 99.6 CP
99.6 CF x 7 46 gallons/of - 745 gallons/cycle required
Designed: 750 gallons/cycle 375above lead
Storage Capacity: storage of 1.0' x 375 gallons/ft
pump switch. Daily flow estimated at 440 GPD (Title V, 15.09:6).
/S CMG
7/6959' /1s
/./ °sr1o1_ 0
NORTHAMPTON BOARD OF HEALTH
PERCOLATION TEST DATA
310 0 fimpfon W.
tress
�YI2s .Thn klieg
ner
Lot l�
Dat
Engineer/Sani arian Excavator
erc Rate — min/in
epth to water
S oten_
— min/in
a8 /
4f 4
min/in
koUe
3Yo b -harRa.
min/in
y4NC-
$ /YL/C�
Witness ee
Gies
Sketch of Lot w/ Location of Test Holes
Witnessed by
7� �� > ;3 INs(
OPE ALREADY EFFLUENT DISPOSAL SYSTEM (CROSS SWOON-NOT TO SCALE) 1>i��
IN PLACE(REUSE ONLY IF SOUND) ECU SEPTIC TANK p SE SCH C0 PVC PIPE !�
la 25' - �_ I�� IL r1%
•I *�a`_m •
Ma° � IMI 2{t� `qm
■ KEY ELEVATIONS � T�Af
1�r 1
SBTC TANIYMANKP , try, ' S YL
t SEp TTANrtt.IMP -- nEwsr Ne E IvE ElE loxs XISTING Pump chamber - -
P°1i°" IX1"n °` °"""""`°�H LL 1WI UBJECT SITE LOCATION
TYPICAL SEPl1C TANK(WATERTIGHT)OR EGUIVELANT r.
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