Abwasserleitung Heidenreichstein

Switzerland‘s First GRP Hydropower Pipeline in 1961

Area of subsidence Bergkamen (Heinrichstraße)

Tunnel pipeline Stallikon (Uetlibergtunnel)

Tunnel pipeline N16 Transjurane (Tunnel du Mont-Terri)

Tunnel pipeline N16 Transjurane (Tunnel du Mont-Russelin)

Tunnel pipeline Tunnel Les Vignes

Tunnel pipeline Murten

Tunnel pipeline St. Maurice

Tunnel pipeline Tranchée couverte de Chèvre

Tunnel pipeline - RN 1A

Tunnel pipeline Raimeux Roches

Tunnel pipeline Mattstetten-Rothrist (Eisenbahnstrecke)

Tunnel pipeline Les Granges - Bulle

Tunnel pipeline La Tour-de-Trême - Bulle

Wastewater treatment plant Erfurt-Kühnhausen

Single and double pipelines in potable water protected areas Düsseldorf

Sewage pressure pipeline Neubrandenburg

Bridge Drainage with Hobas Pipes on Croatian Highway in Osijek

3 Meter Diameter Wastewater Pipeline Jacked under Warsaw

HOBAS Pressure Pipes Ensure Filisur Power Plant Operation for more than 50 years

Totally Satisfied for Over 35 Years - Hobas Sewer Pipes Impress Testing Company