The Seven Steps
Access Floors
Purpose
To secure access floors.
Recommendation
Install braces and anchor the existing pedestals. When floor height exceeds 12″, install a steel brace to every third pedestal 8′ on center.
Supplies Required
- Expansion bolts—3/8″ diameter
- Machine bolt—3/8″ diameter
- Angle—1-1/2″ x 1-1/2″ x 1/4″
Installation
- Install four expansion bolts through each pedestal base to the floor below (concrete floors).
- Install a steel brace with a machine bolt or weld between the diagonal steel brace and the pedestal head with expansion bolts to the floor below.
- Locate braces at 8′ on center. At each location, install two braces in perpendicular directions.
- Secure pedestal head to the stringer or to each floor panel corner with one machine bolt.
Caution
When anchoring to post-tensioned slab, locate and avoid penetrating reinforcing.
Short Pedestal System
Source: Noson, Perbix, SSD
Braced Pedestal System
Source: Noson, Perbix, SSD
