The constants are made from A36 carbon steel and range in height from 4′-0 to 5′-0 and C-C dimension of 7′-0 to 8′-4. They have a load capacity of 12,000 lbs. to 18,500 lbs. and a 4-5 travel capacity. Load setting and travel testing was conducted on the constants to ensure they met the customer’s requirements.
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