How to Ensure the Quality of Engineering under the Premise of Reasonable Duration

This article takes the expressway of Anyang to Xinxiang of rebuild and extension engineering as example, which is the section of Beijing, Hong Kong and Macau expressway. It summed up how to ensure the quality of engineering under the premise of reasonable duration. This article build assurance system and control the quality of engineering, check etc, then it summed up a set of measure to ensure project in a reasonable time to maintain good project quality and project progress.