Retaining Walls

These walls are valid only to the fire regions or where the fire sprinklers are set up all through. They are also appropriate although sprinklers are needed by different sections of the building system. Sprinklers let the needed fire conflict ranking of the fire fence walls enclosing perpendicular shafts, apart from exit areas and winch hoistway areas, to be decreased to one-hour where routine sprinklers are set up within the streaks at the top and at swap floor levels.