The operation of any contractor that has priced the impact of building systems, including air conditioning. Electrical and plumbing must be notified through the project for approval every time.
Any action Contractors with the terms of its impact on internal systems of buildings. air conditioner Electricity supply undertakings The project will need to approve it.
The operation of any B it is contractor with impact on system inside of the building include air conditioning, electricity and water supply. Must inform the project for approval all the time.