Tower Crane · British Columbia
Rigging, procedures, forms and binders written to be used on the lift. Red Seal practice for the sitting. For operators, riggers and supervisors in British Columbia.
Liebherr 470 EC-B 20 · 83.0 m jib · LM 1
RADIUS
40.0 m131.2 ft
CAPACITY
5,460 kg12,037 lb
PERIMETER
251.3 m824.6 ft
THIS SHIFT
THIS MACHINE
THIS PAD
The things worth talking about in crane safety, rigging and the people who do the work in British Columbia.
Memorizing definitions is not enough. The difficult Tower Crane Red Seal questions give you several answers that appear correct — and ask you to find the limiting factor.
Read The Hardest Questions on the Tower Crane Red Seal ExamClimbing is not adding another tower section. It temporarily changes the crane. Prepare, inspect, brief, balance, climb, then verify before the hook moves again.
Read Tower Crane Climbing Sequence: Prepare, Inspect, Brief, Balance, ClimbYou do not need a protractor on the hook. Measure sling length and vertical height. sin θ = H / L. Then you can use the tension formula.
Read How to Calculate Sling Angle for Rigging | Height ÷ Length — sin()Fulford, SkilledTradesBC, Interprovincial. Flat-top, luffing and self-erecting charts. 70% to pass.
Level B · Level 1 · Level 2 · Load charts · Self-erect · Rigging
Sling angle from height and length. Tension from sin(). Compare T to the tag. BCACS sling charts in the practice room.
The open procedures, forms and binders. Readable on a phone before the hook is loaded. The work system is not this site.