Answers
How many years from the date of issuance 3 Years
is a septic permit good for?
The minimum square footage of a trench 370
bottom installed per bedroom shall be?
, Soil absorption rates greater than ______ 75
minutes per inch are considered unsuitable
for a conventional subsurface sewage
system.
Soil percolation rates less than____ minutes 106
per inch may be used for conventional
systems under authority of TCA.
Recirculating design is where the elevation 12
in the area utilized for the absorption field
does not exceed inches
Recirculating design--- Connecting Level, 4
successive trenches on both ends and by
maintaining the grade in the bottom of
these trenches from_ to no more than
_ ___ inches
This design is preferred where the elevation difference of the ground surface over
Serial distribution system
the absorption field area exceeds 12 Inches.
Large Conventional Systems Those exceeding 2250 square feet of disposal field
When the design daily flow from a single Siphons, Pumps, 3000
source exceeds 3000 gallons per day, _______
or______ shall be used which shall
discharge to separate disposal fields. Each
System shall not exceed a design capacity
of ______ gallons per day
The pipe size from the septic tank to the 3, 40
disposal field or pump chamber shall not
be less than ___ inches in diameter and shall
be Schedule __ PVC
There must be a minimum of ___ feet of 6
undisturbed earth between adjacent trench
walls shall be required.
Pipe for relief lines shall have no ____ and perforations, 4, 40, 3
shall have a minimum inside diameter of ____
inches and conform to or exceed the
standards of ASTM, however Schedule ___
pipe, or its equivalent with a minimum
inside diameter of _ inches may be used
Invert of the overflow pipe in the first relief 4
line shall be at least _ inches lower than
the invert of the septic tank outlet.
Trenches shall not be excavated when the wet enough to smear or compact easily.
soil is?