Adjustable VPD: Vertical divider within a bay that can be cut to any height on site. The cap is inserted over the cut VPD and then tek screwed into the beam at the top and bottom. (See also Vertical Posts, VPD and L-rails)
AISI Standards: American Iron and Steel Institute. Authoritative guidelines on design of cold formed steel members and connections.
Aisle: Area between upright runs used for common traffic of customers and forklifts.
Anchor Bolts: Special bolts used to fasten uprights to the floor. Different bolt sizes are required in different areas of the country based on local building codes or seismic design needs.
ARU: Abuse Resistant Upright – An upright with a secondary column to resist impact from forklifts or pallets. Abuse resistant uprights are used in high traffic areas where damage could occur. The front and rear posts have an extra column up to 96”.