UFC 4-211-01N
25 October 2004
Including change 1, 1 October 2006
Figure 5-3 Typical Low-Level AFFF System Piping
Figure 5-4 Trench Drain Detail
356 mm (14")
minimum
51 mm (2")
Rebar is required
to reinforce
concrete walls
305 mm (12")
minimum
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