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

                                                                                                                       b)   Works do not include disturbance of sediment
                                                                                                                            on the seabed or banks. Incidental
                                                                                                                            disturbance as a result of rock placement is
                                                                                                                            to be minimised and monitored as described
                                                                                                                            above.

                                                                                                                       c)   Works do not include disturbance or
                                                                                                                            exposure of sediment (Acid Sulphate Soils or
                                                                                                                            otherwise).

 12.7 Prescribed tidal works are designed and   The design and construction of the prescribed tidal works is       Complies with Performance Outcome 12.7.
 constructed in a way to ensure they are safe   consistent with the following standards—
 for persons using the works.                   (a) subject to paragraph (d), each Australian Standard relevant    The works have been designed to be stable and well
                                                to the design or construction of structures, the materials that    interlocked with gaps between reef patches that are 1-
                                                should be used, or the measures that should be taken to treat      4m wide at the seabed. The works are considered to
                                                materials used, for structures, to the extent the requirements     be generally safe for an aware person monitoring the
                                                stated in the Standard are directed at ensuring any surface of     works and/or carefully traversing between individual
                                                prescribed tidal works on which a person may stand or walk is—     modules. The modules themselves are not intended
                                                (i) not slippery; and                                              to be traversed and are designed to have uneven
                                                                                                                   surfaces with voids and loose oyster shell to provide a
                                                (ii) does not have any feature that may cause the person to trip   suitably complex habitat that has the potential to
                                                or fall;                                                           provide a trip hazard. Over time, these surfaces are
                                                                                                                   intended to be inhabited by oysters and other species
                                                (b) subject to paragraph (d), any part of prescribed tidal works
                                                                                                                   which could result in the rocks becoming both slippery
                                                that is unsafe for persons using the works is surrounded by
                                                                                                                   and sharp. These risks are inherent with the natural
                                                adequate barriers to deter persons from entering the part;
                                                                                                                   type of habitat being restored and while they have
                                                (c) subject to paragraph (d), each Australian Standard relevant    been minimised where possible they cannot be
                                                to the design or construction of structures, to the extent the     eliminated. Monitoring and maintenance is required
                                                requirements stated in the Standard are directed at ensuring       (particularly in the years after deployment). Refer to
                                                prescribed tidal works provide safety ladders or other design      the Safety in Design assessment for additional detail.
                                                features for the safety of a person who falls off the works into
                                                water;

                                                (d) if a relevant planning scheme standard is more stringent
                                                than the standard mentioned in paragraph (a), (b) or (c)—the
                                                relevant planning scheme standard, to the extent it is more
                                                stringent than the standard mentioned in paragraph (a), (b) or
                                                (c).


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