Access Floor Products
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Jindao Access Floor Products ® Jindao Installation Guide ® In the installation of an access floor, there are certain criteria that should be followed. These are listed in the general order of sequence. STEP 1. Check the room dimensions and configuration against approved drawings. Using a builder's transit or laser, shoot in the areas to receive access floor to determine how much variation there is in the level of the subfloor within the room and at the termination points, such as elevator and door sills and concrete ledges. If the floor cannot be installed per your drawings, notify the general contractor superintendent for agreement on corrective action. The FFH may have to be changed. STEP 2. Find the starting point in the room as shown on the drawings. Seek approval to change the starting point if cut panels at the perimeter will be too small to allow proper support. Recommended minimum size of the cut panels for proper support is 6 inches wide. STEP 3. Having established the proper starting point, lay out two chalk lines at right angles to make sure the room is square. See figure 1 for exact procedure. used as control lines for installing the access floor. Chalk lines must be The reason for laying chalk lines rather than just measuring from the walls is that the walls are not always square. system gives a square reference point. The chalk line Be careful to keep the access floor square at all times during installation. NOTE: When starting the installation in the corner of a room, stretch a dry line for line "B" before laying down chalk. Check the distance from "B" line and the "A" chalk line to the walls. If the distance to the walls is over 24 inches at any point, move the entire line closer to the wall so that the greatest distance is 24 inches or less (See figure 1.)

Jindao Access Floor Products STEP 4. ® Chalk the two control lines and spread pedestal assemblies in an area approximately 48 feet x 24 feet, making sure to start at the approved starting point. (See figure 2) STEP 5. Using a laser or transit, shoot in a pedestal assembly to the proper FFH every 8 or 10 feet in both directions (depending on the length of your leveling bar.) By spanning two pedestals at proper FFH with the leveling bar, adjust all the pedestals in between to the bottom surface of the bar. As you adjust each pedestal assembly, center it on the two-foot marks permanently...

Jindao Access Floor Products ® STEP 9. If a panel rocks diagonally when placed in the system, turn it one quarter (90°) turn and check it again. If the panel continues to rock when rotated, some debris may be between the panel bottom and the pedestal head or stringer. Also check to make sure pedestal is not tilted, stringers are properly seated and that panel edges are flush. it aside to be used as perimeter cut panel. If the panel still rocks, set The pedestals should not be adjusted unless three or four panels supported on it are rocking. At this point, make a minor elevation adjustment...