We note and acknowledge your readiness and responsiveness in:

a. Expediting solutions to complex technical issues, in particular seeking reductions in material thickness requirement of your fireproofing material to facilitate further cost savings and speed of application;

b. Providing the necessary staff and material resources to optimise productivity, continuity of workflow, enhancing project progress and;

c. Backing up the quality of your product with a durability warranty of 50 years and a serviceability period of 100 years

We have enjoyed working with you and your crew on this project and we expect to work with you again on other projects in the future.

Albrecht Mueller

Technical Services Manager (Tunnels)

Cross City Tunnel Project, Sydney, Australia

BHBB Cross City Tunnel Joint Venture

30 May 2005