4、The process and method of monitoring to design alteration and investment through supervision in Yangtze River Estuary Deepwater Channel Phase I Regulation Works Engineering are introduced.
3、Aim at the distinctness of design alteration procedure in current code and standard, put forward some opinion.
5、Using of the excellent FAC-resistant piping materials can effectively reduce the rate of wall-thinning, as a result, it has been widely used in design or later design alteration.
2、On enhancing design alteration and site visa management work
1、Improving management of design alteration to control railway capital investment;