2.3	CEILING SUSPENDED FORWARD FOLD BACKSTOPS

A.	Main Court Model No.3207 “Bent Single Post” ceiling suspended, forward fold, front braced                                      backstop as manufactured by Performance Sports Systems Inc., Noblesville, Indiana.

B.	 Single Post” vertical main mast assembly shall be constructed of 6‑5/8’’ O.D. (.120” wall ASTM A-500 Grade B) structural steel tubing with diagonal side sway braces of 2 ½”X 1 ½” X14 gauge ASTM A-513 rectangular steel tube sway braces miter cut and welded in place to a top horizontal 4” x 1 ½” x 0.18” web ASTM A-36 steel channel. Bent main center stem:  Strut suspended diagonally from roof structure at 22 degrees angle from vertical.  Bend at lower end provides vertical member of length sufficient to allow backstop height adjustment of plus or minus 6 inches (152 mm).  
C.	Sway braces shall attach to mast above backboard for maximum rigidity.   Mast and sway braces shall be welded for ceiling heights up to thirty (30) feet.  Mast and sway braces shall be clamped for ceiling heights over thirty (30) feet.   Backstop shall be front braced and fold forward.  Front brace assembly shall have a fully adjustable folding knee joint allowing for exact playing position and maintenance free operation.

D.	Goal shall be mounted directly through backboard into a heavy structural steel weldment which shall be clamped to vertical 6‑5/8’’ O.D. center mast. (This direct attachment feature transfers the load on the goal directly to the mast pipe minimizing stress to glass backboard). Goal and backboard mounting design shall conform to NCAA, NFSHSA and FIBA regulations

E.	The all-welded “Single Post” design shall be suspended from custom adjustable hangers with bronze bushings designed to be offset no less than 4” behind the center line of gravity of mast, providing for proper weighting of the assembly and insuring that unit locks securely and automatically into playing position.

F.	Backstop shall be supported from 3‑1/2’’ O.D. pipe anchored to roof framing members by means of heavy formed steel support fittings. Superstructure pipes to be reinforced with special bridging or bracing when truss centers exceed spans of fourteen (14) feet. Each attachment clamp must be capable of supporting static loads of at least 10,000 lbs. with no deflection.

G.	All metal parts shall have one coat of baked on black powder coat finish..  All metal parts will be packaged adequately for protection during shipment from manufacturer.