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Figure 4
<br />Ready Mixed Concrete Company
<br />As -Built Construction Cross Section of
<br />Transmission Trench
<br />6 feet
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<br />or equivalent installed around gravel
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<br />Maximum of
<br /><♦
<br />■
<br />■
<br />8 -inch Perforated •
<br />•.
<br />.;t;a;
<br />` � IiM� 1''�r irr Y�iii 1■�•�
<br />6 inches from
<br />I 50 -slot SDR35 PVC
<br />bottom of trench
<br />Sewer Pipe •
<br />to bottom of
<br />•
<br />pipe
<br />.._.._.._..�.........._
<br />Native
<br />gravel
<br />
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