1.Indicate the overall cutting area, rectify or adjust where necessary.
2.Erect temporary prop below the R.C. roofing that to be demolished.
3.Construct a kerb and use the slurry pump to allow the slurry to be discharged.
4.Set up the coring machine and core a dia. 75mm pilot hole for lifting purpose.
5.Set up the diamond wall saw machine, follow the setting out alignment and saw cut the parapet element.
6.Saw cut the parapet element and detach it by sparrow crane.
7.Lifting up and remove the cut pieces by crane lorry.
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