Consider the following statements regarding safety during the demolition of a multistory building:
- Demolition need not proceed storey by storey
- Floor openings, not used for material chutes, should be enclosed with adequate guard rails
- Before demolition starts all lath and loose plaster shall be stripped off throughout the building
- Adequate and well-stiffed lateral bracing shall be provided for walls
Which of the above statements are correct?
- 1,2 and 3 only
- 1 and 4 only
- 2,3 and 4 only
- 1,2,3 and 4