Project
Gable end trusses out and steel in beside a listed building
At Haggerston Castle we propped and cut out the old glulam trusses on both gable ends and replaced them with new steel trusses, then lifted steel channels onto the remaining glulam trusses so a new roof sheet could be fitted.
The work ran over six weeks next to a listed building, with the crane jib coming within metres of vulnerable structures, so every lift was planned precisely. We coordinated the contract lifts, the dismantling, the steel erection and the temporary propping ourselves.
The client had one contractor for the propping, dismantling, steel erection and crane work, which made coordinating the job around a listed building simpler.
3D view
Explore the lift in 3D
A model of the gable end trusses at the pavilion beside the listed tower. Drag to spin it round and tap a number to see what each part of the job involved. Press Play the lift to watch the temporary props go in, the old glulam trusses come out, the new steel trusses go in at both ends and the steel channels go onto the roof.
Illustrative model based on our method statements and lift plans.
Resources
Cranes, plant and team
Cranes
A Liebherr LTM 1250-5.1 (250te) for the gable end truss removal and new trusses, and a Demag AC 50-1 (50te) and a Liebherr LTM 1060 (60te) on a fly jib for the steel channels.
Plant and Tools
A telehandler for general lifting and shifting, plus a chainsaw, nut guns and drills for the dismantling.
Team
Steel erectors, a telehandler operator, crane operators, slinger signallers, lift supervisors, a chainsaw operator and riggers.
The Liebherr LTM 1250-5.1 is a 250 tonne, five axle all-terrain crane with a 60m main boom, supplied with an operator for crane hire or as part of a contract lift.
Timeline
From propping to new steel
Gallery
Photos from site
Related
Find out more
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