Abstract
“Lump Sum Contract and Unit Price Agreement Method”(LSC/UPAM) is important as a measure for optimization of contracts and payments. The process for the breakdown of a total value into their contents resembles between “Work Execution Confirming Comprehensive Evaluation Method”(WECCEM) and LSC/UPAM. In this study the authors performed comparing study on results of the bid of public works from two viewpoints. And achieved the following conclusions.
(1) By analysis of bid value distribution of public works which engineer's budget are 200 million yen or more by LSC/UPAM and WECCEM. The bid price by LSC/UPAM was found to have tendency that there extreme values seldom appear as well as they effects originally supposed on the improvement of partnership and smooth negotiations. But both methods did not have effected by control low bidding price.
(2) By analysis of bid value distribution of public works under 200 million yen by WECCEM. The authors conclude that LSC/UPAM have an inductive effected to moderate the price competition to bidders and control low bidding price.