ACCIDENTAL CRANE ACTIONS
ACCIDENTAL CRANE ACTIONS 3D and Calculation Crane – Three accidental actions are provided for in EN 1991-3, which are buffer forces related to crane movement, buffer forces related to crab movement and tilting of a crane equipped with a mast. The buffer forces relate to the situation where the crane or crab runs into the […]
Double Girder Wire Rope Hoist
A double girder wire rope hoist is a type of material handling equipment used in industries such as manufacturing, construction, and mining. It is designed to lift and move heavy loads vertically and horizontally. The double girder wire rope hoist consists of two parallel girders mounted on top of the building structure or on a […]
Eye Self Locking Hook
An eye self-locking hook is a type of hook used for lifting and rigging heavy loads. It is designed with a self-locking mechanism that helps to prevent accidental disconnection of the load. The hook has a latch or locking mechanism that must be manually opened to insert or remove the load, and then closes automatically […]
Bridge Structure Inspections
Item Description Points of Interest for Inspection 1 Trolley rail bolted splices. Loose and missing splice bolts, check for improper hardware. Joint bar bolts have straight shanks to the head and are made per ASTM A449. Nuts are per A563 grade B. A325 bolts and nuts may also be used. Check/tighten splice bolts every 3 months. Fasteners should […]