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3G Modular Access System Assembly Manual Page 21 of 77
Bridge transitions must be level, extend onto the adjacent landing or
platform a minimum of 1”, and have a 6” maximum gap between the
low profile platform and the adjacent landing or platform.
Bridge transitions must be secured to the adjacent landing or platform. It
is the installer’s responsibility to choose the appropriate fastener based
on the landing material and ensure the landing is structurally sufficient
to support all applied loads.
2.6.7.2. For the 4’ side of a low profile platform, only a bridge transition at 47-1/8” x 7.32”
is available.
2.6.7.3. The low profile ground transition hanger is factory assembled to the low profile
ground transition or bridge transition. First, disassemble the two components so
the hanger can be installed in the platform side rail.
2.6.7.4. Hold the low profile ground transition hanger as shown (FIG. 2.16), then rotate the
hanger and continue pushing upward in such a manner that the hook at the top of
the hanger goes behind and catches on the lip in the platform side rail and the
hanger sits on the lower ledge of the side rail (FIG. 2.16).
FIG. 2.16
2.6.7.5. Set the low profile platform on its side in such a manner that the low profile
ground transition hanger extends up from the ground and the low profile ground
transition or bridge transition can be held at approximately 90 degrees to the
platform (FIG. 2.16).
Do not attempt to walk on system until installation is complete.
When installing a low profile bridge transition, install the legs and set the
low profile platform height before installing the bridge transition.
2.6.7.6. Rotate the low profile ground or bridge transition until hook in transition is
captured between the bulb in the top of the low profile ground transition hanger
and the platform side rail and the ground or bridge transition is parallel with the
platform (FIGs. 2.17 and 2.18).