‘White Constructions, a developer, engaged a sewer designer (“IWS”) and water servicing coordinator (“SWC”) to design a sewerage solution that complied with New South Wales regulations. The initial design was rejected by the relevant authorities, but a second design was later submitted and accepted. Subsequently, White Constructions brought proceedings against IWS and SWC for failing to produce a sewer design acceptable to the relevant authority within a reasonable time period, submitting that this failure caused delay to the completion of the project and thereby led to significant additional costs. At trial, the parties were each permitted to engage their own experts to assess the alleged delay. White Construction’s expert used an ‘as planned versus as-built windows analysis’, stipulating that there had been a serious delay of 240 days. The Defendants’ expert used a ‘collapsed as-built (or “but-for”) analysis’, demonstrating that there had been, at most, a 19-day delay. However, neither evidences were used by the Court because the they seen as not being appropriate for the case. Instead, the Court appointed a third expert whose evidence was preferred. The Court found that no breach had been established and so damages were not awarded.’

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Hardwicke Chambers, 16th January 2020

Source: hardwicke.co.uk