Construction sector has become a prevailing production sector with towers and residences design and construction that have gained speed since 1930’s after lift was invented. The buildings have opened new horizons.

Although they have been concentrated on concrete and reinforced concrete constructions, they have also availed themselves of the advantages of the steel constructions as a benefit of advanced technology.Today concrete, steel, wooden and composite materials have maintained their importance as main constructive elements. The buildings do not only meet needs but also reflect the thoughts and values of the geographical regions, in which they exist.

The value judgement of the sector has been about construction economy and Project management relatively albeit striking developments have been experienced in materials and designs in the globalised sector. Construction management gradually become a basic science in needs of organic correlation between real production and theory.

Developing cost management criteria give a chance to the companies, who are in active in every fields to survive as to obtain the golden ratio in terms of time, quality and costs criteria is not possible in this sense. We see that characteristic and effective companies are fully aware of the neccessity of being organized by defining their activities in case not give rise to obsessive results.