Based on the example,this paper expatiates the design method of the improvement project fordyeing and finishing sewage treatment system.

The cost of actual improvement project is 6?700?000 yuan, all investment will be regained in 9 years.

On quality control of reconstruction engineering of trunk highway;

The key points of supervision on drilled and bored concrete piles in launchway reconstruction engineering;

,the paper discussed the project management model of reconstruction engineering for Yunfeng Expressway.

Risk assessment on rebuilding project of the old industrial factory building;

Old building quality check of rebuilding project in Shandong;

Construction and supervision and control measure of central water pump station rebuilding project in Zhaoyuan County;

On reconstruction project of water supply in Tangshan by one household with one water meter;

As more and more reconstruction projects arise in the construction ficld,there is a lack of effective cost management,and the reconstruction projects tend to cause fabrication cost to set out of control.

Based on this reconstruction project of underpinning beams in Nanguo cinema,underpinning process flow,scheme optimization and construction design of prestressed temporary supporting structure,interface treatments of new and old reinforcement concrete structure are introduced as well as construction technologies of underpinning beam in difficult conditions.