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Jacobs’ Re-working of the Flood Model

In 2016 Jacobs re-worked the flood model to fix the error described as a “major issue” in the Beca audit (2015). The Beca auditor stated (in 2017) that Jacobs had corrected the error. However, R J Hall & Associates Ltd (2019) found that Jacobs had not actually addressed the error.

It was still unresolved, and concluded that there are still “substantive discrepancies” in the Pinehaven flood model and flood maps, and that “the flood modelling … should be … corrected before any reliance is placed upon it as the baseline modelling for assessing post-development runoff of future Guildford development in the upper Pinehaven catchment.”

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