A-A-51355
formulated for electrostatic spray equipment application shall be acceptable. The epoxy coating shall be 2.0 mils plus or minus 0.5 mil thick, fast curing, and shall provide superior adhesion with a tough mar-resistant finish that will withstand hig impact without chipping or cracking.
The IV rod shall be chrome-plated steel, adjustable from approximately 33 to 56 inches. Rod shall fit in ˝ inch diameter sockets located at the four corners of the stretcher, and shall store in a holder mounted to the stretcher.
The stretcher casters shall be steel, zinc, or aluminum or a combination thereof with zinc, nickel or chrome plating. The stretcher casters shall be 10 inch plus or minus 1 inch diameter, fully swivel type, with electrically conductive rubber tires, designed to permit easy maneuvering of the unit when supporting a patient. Two casters shall be provided with a swivel locking mechanism to permit locking the wheels parallel to the long dimension of the stretcher for straight line trailing of the unit. A minimum of two wheels shall also lock to prevent the stretcher from rolling. Wheels and swivels shall be the ball-bearing type and shall operate easily, quietly, and smoothly. The rubber bumper shall have a hardness between 50 and 70 durometer and shall be free of any significant quantities of carbon filler or any other admixture that would visibly mark, streak, or discolor hospital walls. The bumper material shall be known commercially as “Non-Marking”. The hardness of the rubber bumper shall be tested in accordance with ASTM Method No. D2240-75.
All welding shall be durable, sound in every detail and in accordance with the latest practices recommended by the American Welding Society. Surfaces to be welded shall be free from grease, oil, oxides, or other foreign matter. All weld joints shall blend into the adjacent metal in gradual, smooth curves. Beads shall be smooth and free of slag or excessive spatter. Sufficient metal shall be added to provide a suitable fillet or reinforcement. All welds shall be continuous with no visible voids, pin holes, or cracks which affect the quality.
All stretcher fasteners shall be fabricated of a corrosion-resisting metal. They shall be properly applied and tight.
The stretcher shall be free of burrs, sharp edges, or deformed areas. The stretcher shall be clean and free of grease, oil, dirt, or other foreign matter.
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