This paper discusses on the project-based financial cost control of the construction enterprise from aspects of the quality cost control, safety cost control, construction period cost control, and late stage cost control, etc.

Method to determine optimum contract bid on consideration of time cost;

This paper introduces a method, that set up a model of linear programming in networks time cost analysis, and illustrates the application of the method through a example.

Over the lease period,the lessor undertakes penalty cost when failures occurred to the leased equipment and when such failures are not rectified within specified time limits.

Then an incentive function based on penalty cost and bonus is introduced and a coordination mechanism is set up by the combined use of order quantity,bonus and penalty cost type of instrument.