Load Charts - Crane

“Still under,” Manny said.

“Hey, Ray,” Manny’s voice crackled over the radio. “The prefab unit is 42,000 pounds. Charts say at 80 feet radius with 120 feet of boom, we’re good for 48,000. We got six grand to spare. Easy lift.” crane load charts

“The chart is a math problem,” Ray said, finally lifting the load an inch off the ground to test the level. “The lift is a physics problem. We’re not lifting paper. We’re lifting steel. And steel doesn’t care about your safety factor.” “Still under,” Manny said

Manny did the math. Total weight of the load plus the gear: 42,000 + 1,200 + 750 + 400 = . They only had 48,000 lbs of capacity. That left just 3,650 lbs of safety margin—not six grand. Charts say at 80 feet radius with 120