HDD (TRENCHLESS) CASE STUDY: STP PROJECT OF SHANXI YAOGUANG COAL POWER COMPANY, PINGYAO COUNTY, SHANXI PROVINCE, CHINA

摘要

In 2013, Saint-Gobain PAM China provided materials for a pipeline for the sewage treatment plant (STP) project of the Shanxi Yaoguang Coal Power Company. The pipeline was built to transport the water after wastewater treatment from the STP to the power plant for industrial use. The geographical environment of this project was complex: 1. The level drop between the STP and the power plant was around 200m; and 2. The location of the project had a varied topography. This meant the operation pressure of the pipeline was high. Saint-Gobain PAM China provided pipe and anchored gasket for the project. As Pingyao County is a tourist city, excavation was not allowed in certain areas, so Saint-Gobain PAM China decided to apply trenchless technology to three sections of the total pipeline.