工程实施阶段的投资控制与管理,是工程造价实行全过程控制与管理的关键。为了搞好工程实施阶段的投资控制与管理,正确理解概算投资与实施阶段投资之间的关系,按照合同中规定的各方的权力、责任、义务,规范合同各项工作处理程序,正确处理工程变更、索赔及争端,不仅能保证合同的顺利执行,而且能有效控制工程造价,充分发挥投资效益。 Investment control and management in the project implementation stage are the key points in the whole process of project cost control and management. In order to do a good job in the investment control and management during the project implementation stage and correctly understand the relationship between the estimated investment and the investment in the implementation stage, according to the powers, responsibilities and obligations of all parties stipulated in the contract, regulate all work procedures of the contract and properly handle the project Changes, claims and disputes not only ensure the smooth implementation of the contract, but also effectively control the project cost and give full play to investment returns.