Drilling Tools from Drillmaster on a River-crossing Bridge Project

Project: Changsha Xiangjiang River-crossing Bridge project.

Contractor: CCCC First Highway Engineering Group., Ltd.

Location: Moon Island, Yuelu District, Changsha, Hunan, China.

Number of piles: 112

Max. drilling dia. : 2800mm.

Max. drilling depth: 73m.

Rig Model: Beijing Yahe YR900H

Kelly bar: Unidrill interlocking 630 4*24

Drilling tools: Unimate dia. 2800mm core barrel & rock bucket, 2000mm rock bucket, 1500mm core barrel & rock bucket, centralizer

This river-crossing bridge is located in the north of Changsha and connecting Kaifu District and Yuelu District. It is designed for relieving traffic pressure during rush hour.

The contractor of this project is CCCC First Highway Engineering Group., Ltd, and it is jointly constructed by SANY, ZOOMLION and Beijing Yahe, etc.

Drillmaster provided drilling tools like UNIDRILL 630 4*24 kelly bar and UNIMATE core barrel rock bucket, centralizer. Chief engineer Mr. Zhao said that DRILLMASTER drilling tools are high efficiency and abrasion resistance. As strategic cooperative partners for more than ten years, Beijing Yahe will unconditionally continue to cooperate with DRILLMASTER.

DRILLMASTER Group is committed to manufacturing drilling tools and providing construction solutions. We can customize all kinds of drilling tools for our clients!