Email Document Reference

Enter your email address below and the reference for this document will be sent to shortly from webmaster@ceesi.com.

Title: The Auto-Boring Method
Author: Shugo Tomozoe
Source: American Gas Association 1988
Year Published: 1988
Abstract: Tokyo Gas. Co. has developed The Auto-Boring Method. It is a systematic technology to lay new service pipes with minimum excavation. The sequence of work is as follows 1. Microtunnelhng from a 20-inch-diameter shaft and pulling a service pipe into the microtunnel by an auger-type tunnelling robot. 2. Joining a service pipe to a main by remote operation on the ground level. 3. Conducting permanent reinstatement on the same day. For this method, the following devices have been developed: Mechanized excavation equipment mounted on the vehicle which drives it A special clamp and various long-handled tools for joining Coid asphalt that can be preserved and used in atmospheric temperature As of March 1988, there were over 1,700 sites of service pipe installation and 35 percent reduction in cost is estimated.

In order to prevent spam and automated file downloads for documents within the Measurement Library, please follow the instructions below and then you will be able to email a reference to this article.