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Utilitiesman Volume 01 - Manual for electric, plumbing, water and other utilities | Next
Septic Tanks |
A. GENERATOR KNOB, FLAME VALVE - Fuel
E. GENERATOR PREHEATER SHIELD - Contains heat
adjustment to burner.
while gas is vaporizing.
B. AIRCONTROL SHUTTER VALVE - Air input
F. ORIFICE CLEANER - Cleans orifice in preheater.
adjustment to burner.
C. AIR PRESSURE GAUGE - Air input adjustment to
G. AIR VALVE - Hand pump attachment used to pressurize
burner
fuel tank.
D. PREHEATER VALVE - Inputs gas to preheater.
Figure 2-11.—Burner operating controls.
Figure 2-12.—Leaching cesspool.
day, based on the recommended leaching test, is
provided below. Soils that require more than 30 minutes
for a fall of 1 inch are unsatisfactory for leaching, and
some other disposal method must be used.
Time for water to fall 1
Allowable rate of sewage
inch (minutes)
applicable (gallons per
square foot of percolating
area per day)
1
5.3
2
4.3
5
3.2
10
2.3
30
1.1
The test for leaching should be made by digging a
pit about one half of the proposed depth of the cesspool,
making a test hole 1 foot square and 18 inches deep at
the bottom. The test hole is filled with 6 inches of water
that is allowed to drain off. Six inches of water is again
2-18
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