FALSEWORK - TECHNICAL INFORMATION- 2023 270 KEYING OF GIRDERS A deck must be installed at the top of towers for keying girders 3 options can be considered for the keying of girders. OPTION WITH KEYING GUARDRAILS 1.00 m and 1.50 m keying guardrails protect workers while they are keying girders. Clearance under the girders 4 keying guardrails lowered Safe to assemble and dismantle from a temporary deck (towers with 3 frames or more). Fit the 4 keying guardrails from the outside of the tower (towers with up to 2 frames). Fit the girders 4 keying guardrail raised. Principle for keying 4 girders Node formwork The keying guardrail can be lowered on the girder side. Towers can be moved using falsework tower trolleys or by lifting them. For lifting with a crane, use 4 additional slings to facilitate attachment from the deck. MOVING Moving Lifting •Simple and fast •Curved guardrail for passing beams •Towers can be moved easily •Specific cradle ADVANTAGES
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