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3G Modular Access System Assembly Manual Page 34 of 77
3.8. ANGLE RAMPS WITH RESPECT TO PLATFORMS, PORCHES, OR DECKS
There are situations where it is necessary to angle ramps with respect to a platform, porch, or deck.
If a ramp must be angled when attaching to a platform, a PRUT (RAMP UPPER TRANSITION) or PRLT
(RAMP LOWER TRANSITION) with a PRST (RAMP SUPPORT TOP) must be used instead of a PRHP
(RAMP HANGER PAIR). The same components can be used at the top and bottom of ramp or ramp
runs depending on the angle required.
3.8.1. Angles up to approximately 3 degrees can be accommodated using the PRUT (RAMP UPPER
TRANSITION) if it overlaps the surface of the platform, porch, or deck by at least 1” (FIG. 3.19).
3.8.2. Angles up to approximately 6 degrees can be accommodated using the PRLT (RAMP LOWER
TRANSITION) with a PRST (RAMP SUPPORT TOP) and ramp legs. Legs must be used on both
sides of the ramp when angled over 3 degrees. Refer to the appropriate sections in
‘OPTIONAL EQUIPMENT’ for installing the PRUT (RAMP UPPER TRANSITION) or PRLT (RAMP
LOWER TRANSITION) (FIG. 3.20).
3.8.3. The PRLT (RAMP LOWER TRANSITION) must overlap the surface of the platform, porch, or
deck by at least 1” regardless of the angle required (FIG. 3.20).
FIG. 3.19
FIG. 3.20