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Cochin apartments builder or promoter is supposed to follow the drawing in regard to dimensions, reinforcement type, quantity of steel and quality of materials. The construction of reinforced concrete buildings with brick masonry infill walls is a common practice in urban India. . Even in earthquake or cyclone-prone areas of India, traditional structural design based on gravity load continues to be practiced and most RC frame constructions are not designed for lateral loads. Invariably when the flats are sold the owners are given only the site plan and architectural plan of their flat and in more than 90 per cent of the cases the structural drawings are not available with the flat owners. Structural drawings are not traceable even for many public buildings. A structural drawing is not the same as either the site plan or the sanctioned architectural plan. A site plan gives the boundaries of the site and any contiguous site, its position with respect to streets and the position of the building.
The structural engineer is responsible for designing the structure for all possible loads as per National building Code. The builder or the promoter is supposed to follow exactly the drawing with respect to dimensions, reinforcement type and quantity of steel, quality of materials such as grade of concrete etc. Both Vertical and Lateral load carrying systems should be explicitly available in the details of the drawing.
The owner has spent all his savings in building an architecturally beautiful structure for his home by assigning the job to a private contractor or a promoter. It is the duty of the promoter to employ an engineer either directly or through an architect. It is the duty of the team to come out with a detailed structural plan before commencement of construction and finally have a completion report incorporating all structural changes made during construction. After the building is completed, the final- as-built drawing should be acquired by the owner.