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3.6.
ANCHOR RAMP UPPER TRANSITION:
The MRUT (RAMP UPPER TRANSITION)
must be anchored to a substantial surface. Use the pre-drilled holes at each corner of the
upper transition as guides.
3.6.1.
IF RESTING ON A WOODEN SURFACE:
3.6.1.1.
Secure upper transtiion by installing the 1/4″ self-drilling stainless
steel screw through each hole (FIG. 3.18).
3.6.2.
IF RESTING ON A CONCRETE SURFACE:
3.6.2.1.
Transfer the hole locations from the upper transition to the
concrete surface, then remove the upper transition.
3.6.2.2.
Using a 1/4″ masonry bit, drill two 1-1/2″ deep holes at the
marked locations.
NOTE:
After drilling, make sure that the holes
are free of any residue and/or debris.
3.6.2.3.
Re-attach the upper transition and align over the drilled holes.
3.6.2.4.
Drive the 1/4″ diameter mushroom head pin anchors into the
holes on the upper transition with a hammer until the head is
seated.
FIG. 3.18
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