Abstract
The basic orientation of the research is an attempting to apply the cost determining method according in the contract sector projects for Al- Iraq ceneral company, that this subject has a big value according to its modernity and its influence on the future and the eaning of the company.
The research aims to find out the effect of the method for determining cost based on the activity in determining the cost of the construction sector projects.The research was conducted in Iraq General Company for the implementation of irrigation projects. Bani search on three assumptions, the first is (that the application of the method for determining the cost on the basis of activity (ABC) helps to achieve positive results reflected the accuracy of pricing bids), the second is (that the application of the method for determining the cost on the basis of activity (ABC) gives a greater chance to compete and win tenders, either the third hypothesis is (that the application of the style (ABC) leads to strengthening controls on costs and help the administration to make good decisions.It has been used technique descriptive in the theoretical side and financial analysis in the practical side and led the analysis results practical to a number of conclusions was the most prominent to use the method for determining the cost on the basis of activity leads to determine the cost of similar projects which leads to expected costs more accurate in determining the cost of projects sector contracting as well as that this limitation leads to accurate pricing bids and thus win tender. And doest cause the companieslosing and also increase the chance of assuring in a changeable contended works environment