Opening of Bids - Spec T Eighteen (18) More or Less New Heavy Duty Mobile Lifting Systems - Interstate Lift & Equipment Company, Inc. (bid security chk submitted)

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5.1. Frame shall be constructed of 314" thick, high strength fork lift mast channels to ensure structural integrity and provide a smooth lift guidance system. Formed steel columns shall not be acceptable as they do not afford the required strength and rigidity. 5.2, The base shall be of a rectangular design with square rear corners so as to provide maximum rigidity and balance during lifting operation 5.3. Lifting column shall not weigh more than 1,050 lbs. 5.4, Individual Jack Dimensions: Base width - 45 inches Base depth - 47 inches Column Height with carriage in low position - 96 inches Maximum with carriage in high position - 144 inches Maximum 5.5. Lifting Carriage: 5.5.1.Lifting carriage shall ride on maintenance free, double sealed, self lubricating steel ball bearing rollers. Nylon rollers or sliding blocks shall not be accepted because they are not reliable. 5.5.2.The distance between the wheel contact forks shall be adjustable from 13 inches to 23.5 inches. Sleeve adapters shall not be acceptable as they may slip off of the lifting carriage causing a vehicle to fall. 5,5.3,Fork length shall not be less than 14 inches. 5.5.4.The clearance between the lifting column and the back of fork shall be 9 inches minimum. 5.5.5.The clearance between the carriage extension and the back of the fork shall be 11 inches minimum. 5,5.6.Carriage shall have a 1/4-inch clearance from the floor when in the low position, to facilitate moving the column when power is cut-off. 6. PALLET JACK MECHANISM 6.1. The lifting columns shall be easily moved by one person using a pallet jack system with two front wheels consisting of 6° steel encased bearing rollers and dual 8" thermo set resin coated steering wheels at the rear of the jack. The rise of the pallet jack shall be 2 inches minimum. 6.2. The pallet jack mechanism shall have a loop type handle and shall be raised and lowered using a three position lever with raise, lower and neutral position. T-bar handles are not acceptable since they do not facilitate proper handling of the column. 6.3. Pallet jack mechanism shall have an overload valve that will automatically lower the jack if the operator attempts to raise a vehicle with the pallet jack in the raised position. The overload valve shall be set at the factory and adjustable in the field as necessary. 7. CONTROLS 7.1. The various functions of the mobile lifting system shall be controlled from the control panels on the columns. The control system shall have been tested and approved by a Nationally Recognized Testing Laboratory as established by OSHA to be compliant with the requirements of UL 201. 7.2. Lifting system shall be operable from any and all columns.