WRESTLING MAT STORAGE SYSTEM

		A.	Model 4090 Wrestling Mat Storage System

		B.	Construction:  Mat Hoist construction shall consist of a welded steel frame. Unit shall be a two cable system to assure balanced operation. Cables shall be attached to a load bar, which shall be connected to a fabric sling. Standard unit, load bar, and sling shall be capable of supporting a standard 45' x 45' wrestling mat (weighing approximately 1 lb./sq. ft.) with a 5 to 1 safety ratio. Each unit shall consist of a 210:1 ratio double reduction worm-worm attached to an instantly reversing 2 HP motor, operating with 208/230V 60Hz single phase or 208/230/460V 60 Hz three-phase, including a 20FT. lb. per foot electric safety brake. Lifting and lowering speed shall be approximately 10 feet per minute. Lifting drums shall be machine synchronized for cable wrap and driven by a 50:1 ratio industrial C face helical gear speed reducer coupled with a 4 to 1 gear reducer for overall 200 to 1 reduction. Drum shaft shall be 2" diameter cold-finished steel.

Three steel lift cables shall be 5/16" galvanized carbon steel aircraft grade cable. Cables shall be rated at 1704 lbs. each at a 5-to-1-safety factor. Load bar shall be connected to a 22 oz. per square yard vinyl fabric sling with heavy-duty straps and fasteners. Standard sling color is black; other colors are available by special request. Fabric sling incorporates safety straps that wrap completely around mats. Safety straps prevent mat from falling should fabric sling become torn. For safety purposes, sling capacity shall govern the lift capacity of the system. Movement control shall be by surface mounted control enclosure with limit switches. Approximate unit weight shall be 1,700 lb.

			Structural support members and wall connections BY OTHERS

Electrical Contractor Shall Provide and Install: 
			All conduits complete with wire from power source to control enclosure, from control enclosure to unit.

INSTALLATION

		A.	Coordinate support of Mat Hoist with roof or wall structure to ensure proper distribution of loads and adequacy of attachment points. Ensure that building structure has been designed for loads of specific Mat Hoist to be provided. Provide additional structural framing members as required in accordance with Section:

		B.	Coordinate configuration, size, and installation of Mat Hoist with height, slope, and type of building structure and lighting fixtures, mechanical equipment, ductwork, fire-suppression system, bleachers, athletic equipment, and other potential obstructions.

C.		Field verify dimensions prior to fabrication.

D.	Coordinate electrical requirements for motorized operating mechanism to ensure proper power source, conduit, wiring, and boxes for keyed switches. Prior to installation, verify type and location of power supply, BY OTHERS.

E.	Painting:  Mat Hoist and parts shall be factory powder coated black.  

F.	For installations made after wood gymnasium flooring is installed, provide protection and exercise care not to damage flooring.

G.	Coordinate unloading and transport of Mat Hoist into facility insuring there is ample room to navigate large equipment into are where it is to be installed.

		H.	Install in accordance with manufacturer's written instructions and shop drawings.

		I.	Install even, plumb and level.

		J.	Install control switch such that operator has view of complete mat lifter during lowering and raising.

		K.	Adjust limit switches to ensure accurate position in both stored and lowered positions.

TESTING AND DEMONSTRATION

		A.	Operate Mat Hoist to ensure proper lifting and lowering. Adjust as required to ensure smooth operation and accurate positioning.

		B.	Demonstrate to Owner's designated representatives complete operation and required maintenance.