Alteration and addition works at St. Stephen’s College (Stanley) – the purpose of this extension work on the roof floor is for building extra classrooms. Demolition including slabs, columns, beams, walls and existing staircase (Approx. 95m²). The whole demolition
work make use of combinations of techniques such as: coring, blade saw cut, wire cut, robot breaking and hydraulic bursting method.
Before
Scissor working platform to erect the I-beam lifting gantry
Fixing single props below the cantilever beam
Saw cut the cantilever beam holding by mobile crane
Lifting cut pieces by mobile crane
Saw cut the cantilever beam holding by lifting gantry
Break the roof slab by remote control operated robotic breaker
Demolish the staircase by remote control operated robotic breaker
Demolish the roof R.C. structure
After
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