Texas Register, Volume 12, Number 1, Pages 1-51, January 2, 1987 Page: 24
51 p. ; 28 cm.View a full description of this periodical.
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(h) Figure 1. The following figure
two compartment septic tank.illustrates a
Ground Surface.
Depth May Vary, But Not
Exceed 18 inches unless a riser
is installed on each cleanout and
the tank manufacturer allows it.
Clean Out--.Sand Cushion
Not to Scale
(i) Figure 2. The following figure illustrates two
septic .tanks in series.
GROUND SURFACE) -~iwa-Ewe
The first tank must be about
one-half to two-thirds of the
total volume of both tanks.Liquid surface is
same level in
both tanks. CleanDepth May Vary, But Not
Exceed 18 inches unless a riser
is installed on each cleanout and
the tank manufacturer allows it.
OutSOutflow
Outflow pipe is
at least /2" lower
than first tank's
inflow pipe.-- Sand Cushion
12 rflraq 3 am1ry A I7 Team R e 4
Not to Scale
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Texas. Secretary of State. Texas Register, Volume 12, Number 1, Pages 1-51, January 2, 1987, periodical, January 2, 1987; Austin, Texas. (https://texashistory.unt.edu/ark:/67531/metapth243845/m1/24/: accessed April 19, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.