Annex 13 - Schedule 3 - Prescribed Tidal Works

Coastal Protection and Management Regulation 2017
Schedule 3. Code for Assessable Development that is prescribed tidal works
Part 3 Performance outcomes and acceptable outcomes

                                                         Design, construction and safety - all prescribed tidal work
 12.1 Prescribed tidal works are designed and      The design and construction of the prescribed tidal works is      Alternative Solution for Performance Outcome 12.1.
 constructed in a way to ensure they are           consistent with the following standards—
 structurally sound, having regard to the          (a) subject to paragraph (c), each Australian Standard relevant   The rock substrate has been designed by ICM to be
 following—                                        to the design or construction of structures, to the extent        structurally sound, having regard to the following:
 (a) relevant engineering standards;               requirements stated in the Standard apply to the design or             (a) Relevant Australian Standards and
                                                   construction of prescribed tidal works;                                     internationally recognised best practice
 (b) the location of the works;                                                                                                guidelines. The structure has been certified
                                                   (b) subject to paragraph (c), the projected sea level rise is               by an RPEQ engineer.
 (c) the purpose for which the works are to be     factored into the design and construction of the prescribed tidal      (b) Site-specific design details have been
 used;                                             works;                                                                      provided for Phase 1. The detailed design of
 (d) the impact of flooding, storm tide,                                                                                       Phase 2 is required to be undertaken by a
                                                   (c) if a relevant planning scheme standard is more stringent
 overtopping by waves, projected sea level                                                                                     coastal engineer, including consideration of
                                                   than the standard mentioned in paragraph (a) or (b)—the
 rise, tidal influences and hydrodynamic forces;                                                                               site-specific parameters and selection of a
                                                   relevant planning scheme standard, to the extent it is more
                                                                                                                               stabile rock grading. Refer ICM drawing
                                                   stringent than the standard mentioned in paragraph (a) or (b).
 (e) the design life of the works;                                                                                             NROR-2012-02 (particularly notes 1 & 2).
                                                                                                                          (c) The works are to provide a suitable substrate
 (f) the dead load of the works and the                                                                                        for habitat enhancement and restore rock
 intended live load for the works;                                                                                             oyster ecosystems throughout the Noosa
                                                                                                                               River.
 (g) the impact of hydrostatic pressures on the                                                                           (d) The design considers forces resulting from
 works;                                                                                                                        tidal and flood flows as well as wave action
 (h) the stability of individual components of                                                                                 and vessel wake. Due to the nature of the
 the works, including, for example, boulders,                                                                                  works, crest levels have been selected to
 concrete blocks or sandbags.                                                                                                  optimise habitat suitability for the target
                                                                                                                               species. High tides, storm tides and flooding
                                                                                                                               would be expected to result in overtopping of
                                                                                                                               the structure. The need for future adaptation
                                                                                                                               in response to climate change will be
                                                                                                                               dependent on monitoring of ecosystem health
                                                                                                                               over time.
                                                                                                                          (e) The design life of the works is 50 years,
                                                                                                                               although maintenance, modification or
                                                                                                                               adaptation may be required during this time in
                                                                                                                               response to monitoring of habitat
                                                                                                                               development.
                                                                                                                          (f) Stability of rock structures has been
                                                                                                                               determined in accordance with best practice
                                                                                                                               guidelines. It is not intended for the works to

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