HL 17 March 1994. Balfour Beatty were main contractors for the construction of a raodway and associated structures for a section of the Edinburgh bypass including the construction of a concrete aquaduct over the road. For this work B installed a concrete batching plant a few miles away from the site and entered into an agreement for the temporary supply of electricity with SSEB. During construction the batching plant ceased to operate due to rupturing of fuses provided by SSEB. As a result it was necessary to demolish what had been constructed of the aquaduct and to rebuild from scratch at a cost of £229,102. B sought that sum by way of damages. At first instance held that SSEB were in breach of contract but that B had failed to prove recoverability of loss. On appeal, decree for £229,102 granted. SSEB`s successors appealed to HL. Considered whether S aware that concrete was to be poured continuously and whether S should be taken to have contemplated the importance of a continuous po