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Trench Grates

A B C C
Width Height Cast/Z Frames Standard Angle Rails Open Area In Sq Feet Grate Type
8 1-1/2 6 5-1/4 .20 S,CD,SC,P
10 1-1/2 8 7-1/4 .24 S,CD,SC,P
12 1-1/2 10 9-1/4 .31 S,CD,SC,P
14 1-1/2 12 11-1/4 .39 S,CD,SC,P,DF
17 1-1/2 15 14-1/4 .51 S,CD,SC,P
20 1-1/2 18 17-1/4 .62 S,CD,SC,P
23 1-1/2 21 20-1/4 .74 S,CD,SC
26 1-1/2 24 23-1/4 .85 S,CD,SC
30 2-1/2 27 n/a 1.26 S,CD,SC
33 2-1/2 30 n/a 1.32 S,CD,SC
36 2-1/2 33 n/a 1.47 S,CD,SC
39 2-1/2 36 n/a 1.61 S,CD,SC
45 2-1/2 42 n/a 1.85 S,CD,SC

S = standard, CD = cross drain, SC = solid cover, P = pedestrian/ADA, DF = directional flow
Grates are furnished in 2' lengths

Standard Frame

Z Frame

Standard

Cross Drain

  • Designed for H-20 traffic loading

  • Three frame options: Standard, Z, or cast iron

  • Recommend installing frame for all trench applications

  • Options: bolted or security bolted to cast iron frame only; locking solid

Cast Iron Frames

Cast Iron Frame Rendering (Both Sides)

Cast Iron Frame Line Drawing

Steel Frames

Standard Angle Frame

Standard Angle Frame Line Drawing

Z Angle Frame

Z Angle Frame Line Drawing

Bolted Grating or Covers

Bolted Grating

All trench grates/covers listed may be security bolted to cast frame. Theft proof bolts available upon request.