I think the “answer on a postcard” to Tony Bingham’s question of how to gather evidence of site disruptions at the time they occur (16 July, page 52) is to keep a site diary. A well-kept and detailed diary is invaluable to anyone having to prepare or determine claims for loss and expense. In my view it ought to be a contractual requirement that such a diary is kept and made available to all relevant parties at each site progress meeting.

JA Harris, via email