Combined with construction features of running railway line,from organization and instruction,stipulation and implementation of safety measures and other aspects the safety assurance measures adopted in construction process of the running railway line are elaborated,in order to eliminate hidden dangers to ensure driving and construction safety to realize safety production object.

Through actual example,this paper introduces the application of the light weight steel structure in the grid-structure engineering,which includes the manufacturing of the semi-finished products of the grid and the erection of the grid,and emphatically expounds the quality control measures and safety control measures in the construction.

The author,in this writting,approaches a subject to guarantee the quality of installation technology and quality control measures.

The quality control measures about insulation board pasting and mesh cloth laying were proposed including joint treatment,slab joint treatment.

Combined with specific engineering,it introduces construction measures of concrete for self-waterproof,construction course of underground waterproof concrete is illustrated from collocation of follow board、mixing of concrete、pouring and maintenance,and puts forward final management and quality assurance measures.

This paper briefly introduces the quality assurance measures and techniques of the construction of large-area floor.