A/F : Access Floor including panels, pedestals and accessories.
B/M : Bill of Material .
Carpet Shoes : Steel plate with handle attached used for holding pile up while installing monolithic carpeted floor panels.
C/L : Center Line
Dry Line : A line (with no chalk on it) used as a temporary reference line.
ELL : Section of access floor laid along two control lines forming an L shape (normally 2 to 4 panels wide.)
FFH : Finished Access Floor Height; dimension measured from top of the panel to top of subfloor.
Field : The main open floor area where full floor panels are installed.
Grid Line : Lines formed where the panels join together.
Leveling Bar : A straight edge having permanent 2-foot center marks used for leveling of pedestals; it is usually made from rectangular aluminum tube with the following dimension: width ¾ inch to 1 inch; height 2 1/2 to 4 inch; wall thickness .080 to .125 inch; length 8 to 10 feet.
Plumb : 90° from horizontal level.
Rocker : A panel that rocks up and down diagonally when installed.
Shoot In (sight in) : Establish reference points in any given area by using a transit or laser.
Spreading : To spread understructure components throughout an area by placing the pedestal assemblies on approximately 2-foot centers.
Starting Point : A specific location in the area which has been purposely designated as the best place to start the installation.
Transit : Builder’s optical leveling device used for establishing grade levels for floors, ceilings, etc.