Contract – Construction. The Technology and Construction Court determined two preliminary issues in the course of proceedings concerning a claim for damages for delay in sub-contract works on the Rolls Building. It ruled that: (i) on the assumption that EMCOR was entitled to an extension of time, pursuant to the sub-contract, as amended, the sub-contract required that such revised or further revised period or periods were added contiguously to the end of the current period within which the sub-contract works should be completed; and (ii) the claimant's liability to the Rolls for liquidated and ascertained damages for the relevant period had not been not extinguished by a further supplemental agreement.