Search Results: 'American Underground Construction Association'

There must be a better way
14 December, 2010
Ground conditions and risk allocation: Combining the NEC Engineering and Construction Contract (ECC) and the Geotechnical Baseline Report (GBR). Article by Randall Essex, director of tunnelling, Hatch Mott Macdonald; and from Mott MacDonald, Richard Patterson, NEC and procurement specialist; Ian Duncan, geotechnical specialist and Andrew Hindmarsh, senior project manager

Managing ground risk
22 September, 2010
Nigel Legge of Nigel Legge Associates and Iain Suttie of Berwin Leighton Paisner look at the role of project management and contracts in managing ground risk

Meeting shotcrete specifications
23 March, 2010
In the long history of shotcrete, or sprayed concrete, linings underground, never has so much been expected of them. In the transition in scope from hard rock primary support to soft ground permanent support, shotcrete is now expected to create structures under even more demanding conditions, but still at comparatively low cost. Here technical editor Maurice Jones reviews the state of some developments designed to meet such demands