The sequence of work to be followed in the construction of a building is the at most important procedures of construction.
Roof demolition sequence.
2 all cantilevered structures canopies verandahs and features attached to the external walls shall first be demolished prior to demolition of main building and its internal structures on each floor 3 when demolishing the roof structure all lift machine rooms and watertanks at high level shall be demolished in top down sequence to the main roof level.
Contents sequences of work in building construction1.
The demolition sequence will depend on things like the type of construction location and demolition methods selected.
The major sequences of construction are marking excavation concreting brick masonry roof laying flooring and finishing.
Intent of demolition is to return building to basic core and shell with a level floor.
In general the following sequence shall apply.
Developers and demolition experts look at several factors when deciding how to demolish a building.
Remove all interior partitions floor finishes and existing ceilings to structure except where noted to remain on the demolition plan.
4 2 2 demolition sequence 45 4 2 3 cantilevered structures and balconies 45 4 2 4 exterior walls beams and columns 48 4 2 5 floor slabs 57 4 2 6 interior beams 60 4 2 7 interior columns 60 4 3 top down by machines 60 4 3 1 general 60 4 3 2 demolition sequence 63 4 3 3 cantilevered canopies and balconies 64.
And the method of demolition to be adopted.
Inadequate demolition sequence common demolition submittal mistakes.
And location and type of adjoining yard protection to be provided including controlled access zones.
The different methods of demolition are as below.
1 utilities disconnection electricity plumbing water lines drainage conections etc.
Among other concerns they consider the area where the building is located the primary building materials the purpose of the demolition and how to dispose of the debris demolition methods can range from one devastating blast to careful piece by piece dismantling but in a crowded urban.
Buildings and structures should generally be demolished in reverse order to their construction that is by sequential demolition.
Location and type of adjoining roof protection to be provided.
A plan showing all precautionary measures for the protection of the public including hoardings covered walkways catch platforms catch fans scaffolding protective screens and.
Detailed sequence of demolishing structural members.
Building materials not indicated on the plan and sections.
In case of demolition for the roof slab.
It must be ensured to initiate demolition from the center mid span and then work outwards towards the supporting beams of frame structure.
A plan showing the procedure for the demolition of the building.
