General: For use with SC90, SC9300 and SC97 decks. Design support system, using DOM or ERW steel tubing, to meet the following:
a.	Adjustable heights: 0.457m - 0.610m,  0.610m - 0.813m and 0.813m - 1.016m (18"-24", 24"-40", and 32" - 40")
b.	Adjust coarse height by 5.08cm (2") increments using a 0.952cm (3/8") locking pin. Allow additional 5.08cm (2") fine height adjustment through use of integral acme thread adjustable screw foot. Mount screw foot to bottom of main vertical member.  Bottom of foot shall be non-marking plastic.
c.	Capable of being erected without use of tools.
d.	Frame allows for bridging between platforms