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BLDG2021-High Rise Bldg Construction (T3, 2025)
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What is a curtain wall?
What does it mean to allow a tower crane to weathervane freely?
What is an advantage of the panellised façade system?
A contractor was awarded a medium scale repair and restoration work for a 10-storey building project. The site is congested due to adjacent buildings resulting in a constrained access. Moreover, the awarded contractor needs to work within a short period of time, thus, a system which has the lowest down time is the preferred option. The work among others includes:
- 1m x 1m aluminium architectural façade cladding
- Mechanical works
- Masonry works
The following statements about the benefits of using bricks for high-rise building facade are correct, except:
Which of the following characteristics of tower crane is false:
A 100-tonne crawler crane is required to lift a load 6.5 m tall to a position 30 m above the surface on which the crane is operating. The load must also be placed 29 m away from the centre of rotation of the crane. The length and weight of the block, hook, and slings that are required to attach the hoist rope to the load are 7 m and 1800 kg respectively. Determine the minimum boom length when the boom length can be increased in increment of 3 m.
Oversailing is a safety hazards during tower crane operation. When does oversailing happen?
A tower crane movement where its hook moves along the jib is called:
According to Health and Safety Executive (HSE), what are the three main hazards of using an excavator?