The final result of the construction process largely depends on effective coordination of sectoral and inter-branch . Often , complex interrelationship between the various sectors need to make quick but above all , correct the technical decision. Support in this area is particularly important in the case of the method adopted by the Investor of the investment through packaging of the construction work. Construction management contract supported by the Engineer Team Coordinators industry provides more flexibility in the construction process and the optimization of costs (including the possibility of introducing changes to the Investor at the stage of the project , direct negotiations with contractors without using a General Contractor ) .