ANSI Tier 22 Trench Covers

up to 22,500 lbs

Tier 22 Load Ratings are specified for areas such as driveways, factory floors, parking lots and off roadway applications subject to occasional vehicular traffic. The Tier 22 design load is 22,500 lbs. with a minimum failure load of 33,750 lbs. Fibrelite can design TIER 22 Load Rated custom size trench covers to meet nearly any dimensional requirements, with the following dimensional limitations.

Frame or Rebate Installation:

MAXIMUM TRENCH SPAN:

MAXIMUM COVER WIDTH:

MAXIMUM COVER LENGTH:

RECOMMENDED COVER DEPTH*:

66”

72”

60”

4”

*Other depths available upon request.

Frame CAD DWG Download

Looking for something else?

Explore our trench cover range below

Pedestrian up to:
250 to 350 lbs

ANSI Tier 5 up to: 5,000 lbs

ANSI Tier 8 up to: 8,000 lbs

ANSI Tier 15 up to: 15,000 lbs

AASHTO
H20/HS-20 up to:
40,000 lbs
 

AASHTO
H25/HS-25
Loading up to:
50,000 lbs

AASHTO
H40/HS-40 up to:
64,000 lbs
 

Extreme Loading Requirements
up to: 202,000 lbs
 

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