Aluminum Bar Grating

Aluminum Close-Mesh Anchoring Details Installation Clearances Welding Standards Manufacturing Tolerances

Manufacturing Tolerances

Bearing Bar and Cross Rod Tolerances

Cross Rod Spacing and Alignment

Cross rods should not vary more than 1/8 in 12 in either direction from perpendicular alignment with bearing bars. The tolerance of the cross bar spacing for 5' in length is ± 1/4".

Cross Rod Position

The top of the cross rod should not project more than 1/16" above the top of the bearing bars for standard grating (1/8" for heavy-duty) and should not extend more than 1/8" from side of bearing bars.

Bearing Bar Lean

Bearing bar lean must not exceed a slope of 1-1/4 to 12.

Cross Bar Lean

Cross bar lean must not exceed a slope of 2-1/2 to 12.

Panel Tolerances

Longitudinal Bow

Longitudinal bow should be less than 1/200 of the length for standard grating (1/240 for heavy duty).

Transverse Bow

Before banding, the transverse bow should be less than 1/8" per foot of width.

Overall Dimensions and Squareness

D = Overall diagonal dimension
W = Length of cross rods including extensions outside of bearing bars
L = Length of bearing bars

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Location and Directions

Our Address:
1905 W. Rialto Ave.
San Bernardino, CA 92410
Phone: (909) 854-2489
Fax: (909) 854-2490
Email: sales@goldenstategrating.com

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