外文翻译--公路工程变更原因分析及其对工程造价的影响-公路隧道(编辑修改稿)

外文翻译--公路工程变更原因分析及其对工程造价的影响-公路隧道(编辑修改稿)内容摘要：

investment of construction, and puts forward such reasons, and more economical and reasonable, optimizing design scheme, this kind of change if owner recognized, can reduce the construction cost, also can reduce the cost of the owner and the contractor, mutually beneficial, According to the contract, the contractor couldn39。 t finish, engineering construction contract extension, the owner may terminate the contract terms, according to the content of construction contract in whole or in part, by the contractor, this kind of other changes generally does not make owner cost increase, but will make the contractor under loss, due to the contractor technology or management of the error caused by engineering change, this kind of change to the contractor, the owner may claim generally do not increase the cost, stipulated in the contract, the contractor change by owner procurement materials, using other kinds of materials, and therefore model brand damage by contractor, unless the owner to approbate, generally do not add cost the supervisor of change and the causes of the cost Supervision by the owner, missioned by the cause of the change of the owner or expenses directly influence the cost. 1 and supervision engineer in order to coordinate the contractor39。 s operation, or section of this project contractors to coordinate with relevant departments or units where the relations of production, easy cause engineering change caused by increased cost. the site supervision engineers in actual situation in the contract and the technical specification for the design, according to local modification and perfect or by design, this kind of change unit may cause increased cost. and supervision engineers work and coordination ability damage caused by lack of rework, engineering cost change work. and supervision engineer proposed optimization design or construction, the design optimization or contractor agree, can reduce engineering chang。