HERRENKNECHT AG UTILITY TUNNELLING TRAFFIC TUNNELLING PIPE EXPRESS

HERRENKNECHT AG | UTILITY TUNNELLING | TRAFFIC TUNNELLING PIPE EXPRESS®. New method for environmetally-friendly and economic pipeline installation. Herrenknecht AG, May 16, 2013.

HERRENKNECHT AG | UTILITY TUNNELLING | TRAFFIC TUNNELLING PIPE EXPRESS®. APPLICATION FIELDS. NEAR SURFACE PIPELINE INSTALLATION. Open-trench projects with special requirements: Environmentally sensitive areas Swampy areas with high groundwater level Areas with unstable ground conditions Areas with water-bearing layers Page 2 HERRENKNECHT AG | PIPE EXPRESS.

HERRENKNECHT AG | UTILITY TUNNELLING | TRAFFIC TUNNELLING PIPE EXPRESS®. APPLICATION FIELDS. PROJECT CONDITIONS. Drive length: up to 2, 000 m Pipeline diameter: 32“- 60“ Overburden: 0. 5 – 2. 5 m Advance rates of up to: 1. 2 m/min | 500 – 1, 000 m/day Page 3 HERRENKNECHT AG | PIPE EXPRESS.

HERRENKNECHT AG | UTILITY TUNNELLING | TRAFFIC TUNNELLING PIPE EXPRESS® TECHNOLOGY. COMPONENTS OF EQUIPMENT. Operator vehicle Launch pit with Pipe Thruster Excavation unit Page 4 HERRENKNECHT AG | PIPE EXPRESS.

HERRENKNECHT AG | UTILITY TUNNELLING | TRAFFIC TUNNELLING PIPE EXPRESS® TECHNOLOGY. THE BENEFITS. Working under groundwater, no lowering of ground water table Simultaneous trenching and pipe laying Minimum impact on flora and fauna No components & cutting transport inside the pipeline No drilling fluid for transport of cuttings -> no separation plant necessary Less pipe-laying equipment needed on jobsite Page 5 HERRENKNECHT AG | PIPE EXPRESS.