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Slurry & Soil Mix Walls

Design

Formwork & Bases

Structural Steelwork

Steel FramesTask / DescriptionSlow  Ave  Fast   Units Steel Frame and Roof Members3.4 -  4.6  Tons/day Wall Frame, Bow String Truss and Frame-  1.6 -   Tons/day Roof Frame, Curved Truss and Frame-  5.2 -   Tons/day Wall Frame, Glazed Frame and Atrium...

Cable Stringing

Bridge Decking

Paintwork

Final Finishes

Design Works

Drill & Blast Method

New Austrian Tunneling Method

Tunnel Boring Machines

Shield Tunnelling

Headings & Hand Tunneling

Chemical Excavation Methods

Rock TunnelsTask / DescriptionSlow  Ave  Fast   Units Excavation, non explosive chemical method, cycle time8.0 6.0 5.5  mins Excavation, non explosive chemical method, Class I Granite0.3 0.9 1.2  m3/cycle Excavation, non explosive chemical method, Cl...

Initial Tunnel Supports

Permanent Bracings

In-Situ Tunnel Linings

Tunnel Grouting

Immersed & Sunken Tubes