The portable access ladder has a stationary base section 9'0" high x 5'0"
long with a top landing 1'6" long x 2'0" wide. The lower stationary section
has a "ships" ladder with 9-12" rises, 8-4" grip strut treads for accessing
the upper platform. The stationary base has 8" semi-pneumatic casters with
brakes on the rear and 8' stationary semi-pneumatic wheels on the front. The
unit is equipped with two telescoping leveling jacks for added stability and
adjustment. The upper platform manually adjusts from 9'0" to an under
clearance of 13'0". The upper platform is 2'0" wide x 4'0" long and
constructed with grip strut grating. The upper platform has neoprene bumpers
on the outboard end and complete with handrails. The lifting feature is with
a manual cable winch, which is adjustable from grade.