Becht Heavy Lift and Heavy Haul Engineering Services support both capital and maintenance projects. Our Crane and Lift Specialists review crane erection and knockdown procedures and monitor procedural and safety practices during the crucial erection, lifting and knockdown periods.
TEN QUESTIONS That MUST BE Answered Before Attempting Any Lift!
One of the most overlooked considerations when designing a rigging system is sling angles. When slings are used in a bridle at an angle, the angle increases the force applied to each sling and the rigging hardware such as shackles, spreader bars, links and collector rings. The illustration below clearly shows the effect of specific […]
How do you lift an object 450 feet that weighs 780 tons (1,560,000 pounds)? First, you will need two 1500-ton capacity cranes with 500 feet of boom each. Then you will need to design and build a specialized rigging system to join the two cranes to the nacelle with equal loads. Top it off with […]
The CMAA Standard for Cranes: Becht Engineering recently completed the structural analysis for a single girder 5-ton crane bridge with an under-running hoist per CMAA-74 for nuclear waste handling operations. CMAA is the Crane Manufacturers Association of America, and CMAA-74 is the Specification for Top Running and Under Running Single Girder Electric Traveling Cranes Utilizing […]
