This article introduces the characteristics of biofer-mentation process and pipe installation.

From basic knowledge in pipe installation and drawing reading steps introduction is made in order to provide references for pipe fitter and ensure construction meet requirements of national standards and codes to ensure satisfied completion of works.

The features and application scope of the pipe installation method of high rise building are introduced.

During the lining plastic pipeline installation construction of the new water treatment station of the Cold-rolling Plate Plant,the thickness of lining plastics is not even,and the glancing flatness and verticality of pipeline between the flange face and the pipeline center are overproof.

Tiffs article mainly introduces the pipe trench processing method and the pipeline installation skill in the condition that the fiberrglass reinforced plastics resin mortar pipes is used in different geological features.

On the basis of characteristics of natural gas pipeline,this article talks about the pipeline installations in aspects include material selection,welding quality,the laying of pipe network and construction supervision etc.

With the example of the installation of the natural gas piping in Xian, several Problems, including material selection, insta11ation, anticorrosion and inspection, often met in the high and medium pressure natural gas piping installation were introduced.