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| Brisbane River Flood at Goodna 13 January 2011 as the floodwaters recede in Smiths Road Goodna looking east from near William Street. |
The inquiry will send out correspondence over the next few days to various stakeholders including Seqwater, which will be expected to respond by Thursday.
The inquiry has also continued to receive written submissions from various interested parties but warns a cut-off deadline is looming as it prepares its findings.
The commission returned for 10 days of emergency hearings after evidence was uncovered suggesting Wivenhoe Dam flood engineers did not follow the manual in January last year.
The engineers are also accused of creating a fraudulent report to cover their tracks.
David Stark, secretary of the Flood Affected Businesses and Householders Association, says he has a concern that goes beyond the engineers' use of flood-release strategies which range from W1-W4.
Mr Stark said the flood engineers were required under the revised manual to take into account best available rain forecasts on the night of Sunday, January 9, two days before the cloud burst occurred which caused much of the flooding.
Based on that rainfall, modelling was done to suggest the dam would reach a critical tipping point requiring the use of the emergency W4 strategy much earlier than was done, he said.
W4 requires water to be released to protect the structural integrity of the dam.
Mr Stark said he had written a submission to the inquiry centred on those concerns.
An inquiry spokesman said the March 16 deadline was expected to be met.
14.2.12
