In the process of construction site accidents disaster a situation is finishing the direction in which most contractors are responsible. Several have way to improve the accountability of the construction participant in a construction site accident, but in particular, prices on improvements to the nakchalje, conducted at the forefront safety awareness to improve the supervision and management supervisor, maps technically allow some advice the knowledge about the technical safety of the safety officer is required and is considered to be especially made by designers and effective safety management from the design phase to improve safety awareness of the Engineer, prime Director and partner Director, hazard safety awareness to improve workers' In order to reduce the is believed necessary.