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Lill and lower speed 150 seconds minimum. <br />Maximum weight per column 1,050 lbs. <br />Maximum height of column 103". <br />Minimum raised height 69". <br />Maximum length 46". <br />Maximum width 46". <br />Minimum length of lifting fork 12". <br />Minimum width of lifting fork 23". <br />Supply voltage 480 volt 3 ph 60HZ. <br />Supply voltage 208 volt 3ph 60HZ. <br />Minimum motor 2 hp with spring loaded brake which engages <br />automatically. <br />Brake shall have manual override for power failure. <br />Electrical Cables: A 50' long power cable shall be connected to the main control box. The <br />interconnecting cables shall be a 30' long single cable with quick <br />disconnect plugs on each end. <br />Controls: A set of four shall always comprise one designated primary and three <br />secondary's numbered 1-6 and the lifts may be set up in any sequence. <br />Must provide a remote control. <br />Manuals: Must include the following manuals: operator's, maintenance, wiring, and <br />parts. <br />Training: Successful bid shall provide operator and maintenance training. <br />Lifting Mechanism: Must be either a re -circulating ball screw and nut drive or ACME threaded <br />screw with bronze load bearing nut and a steel back up nut. Hydraulic <br />lifting cylinders are unacceptable. <br />11 <br />