Latest construction cost estimate and budget provision for each contract package 每份合同包的最新施工成本估算及预算准备。
3.
The required levels of construction cost estimates vary at different stages of project development ， ranging from ball park figures in the early stage to fairly reliable figures for budget control prior to construction ?建筑成本估算要求的精确程度在项目发展的不同阶段发生着变化，从早期的相近数字到施工前预算控制时相当准确的是数字。
