ANSI TIER Rating Structure
Application
Loading Requirements
Light Duty
Pedestrian traffic only
Vertical
Test Load
13.3
3,000 Lbs
TIER 5
Sidewalk applications with a safety factor for occasional non- deliberate vehicular traffic
Vertical
Design Load
Test Load
22.2 kN
33.3 kN
3,000 Lbs
Lateral
Design Load
Test Load
28.7 kN
43.1 kN
13.3
TIER 8
Sidewalk applications with a safety factor for non-deliberate vehicular traffic
Vertical
Design Load
Test Load
35.6 kN
53.4 kN
8,000 Lbs
12,000 Lbs
Lateral
Design Load
Test Load
28.7 kN
43.1 kN
600 Lbs / Sq. Ft. 900 Lbs / Sq. Ft.
TIER 15
Driveway, parking lot and off- roadway applications subject to occasional non-deliberate heavy vehicular traffic
Vertical
Design Load
Test Load
66.7 kN
100.1 kN
8,000 Lbs
12,000 Lbs
Lateral
Design Load
Test Load
38.3 kN
57.5 kN
800 Lbs / Sq. Ft. 1,200 Lbs / Sq. Ft.
TIER 22
Enclosures that may be exposed to very heavy non-deliberate traffic that exceed the design load of TIER 15.
Vertical
Design Load
Test Load
100.1 kN
150.1 kN
22,500 Lbs
33,750 Lbs
Lateral
Design Load
Test Load
38.3 kN
57.5 kN
2,400 Lbs / Sq. Ft. 3,600 Lbs / Sq. Ft.
AASHTO H-20
Deliberate vehicular traffic applications
Certified precast concrete, cast iron or AASHTO recognized material
If you decide that your company requires a load rating that is not currently offered, please feel free to contact GlasMasters. Our experienced staff has the ability to formulate a product for your specific needs.