Page 1895 - Week 06 - Thursday, 30 July 2020
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(3) Has the recommendation in the report that flooding along Hardwick Crescent during minor storm events should be further investigated in detail to ensure that this street does not flood, been done; if so, when was it completed, and can the Minister provide the outcomes; if not, why not and when will it be completed.
(4) What specific steps have been taken to mitigate flooding in Hardwick Crescent since 2015.
(5) Given that section 5.2 of the report states that stormwater pit and pipe data provided by EDP and Territory and Municipal Services were incomplete, lacking information regarding pipe diameters, invert levels, and locations, why was this data incomplete and is the missing data now available.
(6) Can the Minister provide a map of the most complete pit and pipe data for the study area referred to in part (5).
(7) Given that section 10.2.2 of the report states that open spaces within the study area currently provide limited development opportunities due to the risk of flooding, and section 10.2.3 states that mitigation options will increase development opportunities within this area, since the approved masterplan for the Kippax Group Centre includes developing up to 1.6 hectares of green space, what specific mitigation measures have or will be taken to remove the risk of flooding for this new development.
(8) What are the insurance implications for developments raised in an area known to have a risk of flooding, and what steps will the ACT Government take to address these.
(9) What impact will development of this area have on potential flooding in the undeveloped area.
(10) The masterplan for Kippax Group Centre includes the possibility of constructing a road that would link Moyes Crescent with Hardwick Crescent, directly across an area prone to flooding, what form would this road need to take in order to not worsen the risk of flooding in developed areas.
Mr Gentleman: The answer to the member’s question is as follows:
(1) The 2019 Master Plan for Kippax Group Centre was informed by the findings of the 2015 Kippax Flood Study Report. The 2015 Flood Study is currently being updated (revised 2020 study) to incorporate more recent survey information and methods in estimating flooding. This includes updates to account for the latest Bureau of Meteorology rainfall data, ACT Light Detection and Ranging data and infrastructure works since 2015 (by the ACT Government and through new developments) to improve the hydrology and hydraulic modelling since 2015. The final report of the revised 2020 study will have slightly modified recommendations to the previous 2015 study, and will include an estimate of costs for relevant recommendations. Decisions on the recommendations and implementation are yet to be made. The draft report is anticipated to be finalised this year.
(2) The TUFLOW model was rerun in the revised 2020 study to incorporate more recent survey information and methods in estimating flooding. No detailed design of the draft mitigation measures has been undertaken.
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