Enclosure 4 - Schedule 4a

 12.5 Prescribed tidal work is designed and         The design and construction of the prescribed tidal work is
 constructed in a way to ensure it does not         consistent with the following standards—
 adversely affect the operation or maintenance      (a) subject to paragraph (c), vessels moored at prescribed tidal     The proposed sites are a significant distance from
 of any existing stormwater outlet.                 work do not impede the discharge of                                  existing stormwater outlets. Minimum distance for Site
                                                    stormwater;                                                          13 is 60m. No impact is anticipated.
                                                    (b) subject to paragraph (c), prescribed tidal work does not
                                                    restrict access to any stormwater outlet;
                                                    (c) if a relevant planning scheme standard is more stringent than
                                                    the standard mentioned in paragraph (a) or (b)—the relevant
                                                    planning scheme standard, to the extent it is more stringent than
                                                    the standard mentioned in paragraph (a) or (b).
 12.6 Prescribed tidal work is designed and         The design and construction of the prescribed tidal work is          The proposed works are designed to minimise the
 constructed in a way to ensure it does not         consistent with the following standards—                             potential impact on water quality.
 adversely affect the water quality of any tidal    (a) subject to paragraph (b), each Australian Standard relevant
 water, including, in particular, as a result of—   to the design or construction of structures under, within or over        a.   Release of materials into tidal water is limited
 (a) release, into the tidal water, of materials    tidal water, to the extent the requirements stated in the Standard            to the physical placement of the coir reef
 used in the construction of the work; or           are directed at maintaining the water quality of tidal water;                 units in accordance with the design. All
 (b) disturbance to the sediment on the bed and     (b) if a relevant planning scheme standard is more stringent than             excess materials, damaged components,
 banks of the tidal water; or                       the standard mentioned in paragraph (a)—the relevant planning                 loose oyster shell or other debris from the
 (c) exposure to acid sulphate soils.               scheme standard, to the extent it is more stringent than the                  works is to be removed from site.
                                                    standard mentioned in paragraph (a).
                                                                                                                             b.   Disturbance of sediment is limited to driving
                                                                                                                                  timber stakes into the seabed to anchor the
                                                                                                                                  units. While embedment of the oyster reefs
                                                                                                                                  would be beneficial to the overall stability of
                                                                                                                                  the base units, no removal of sediment is
                                                                                                                                  proposed.
                                                                                                                             c.   No sediments are to be disturbed and so Acid
                                                                                                                                  Sulfate Soils will not be exposed.

 12.7 Prescribed tidal work is designed and         The design and construction of the prescribed tidal work is          This is not relevant as the work is not intended to be
 constructed in a way to ensure it is safe for      consistent with the following standards—                             walked on.
 persons standing or walking on the work.           (a) subject to paragraph (c), any surface of prescribed tidal work
                                                    on which a person may stand or walk is—
                                                    (i) not slippery; and
                                                    (ii) does not have any feature that may cause the person to trip
                                                    or fall;
                                                    (b) subject to paragraph (c), any part of prescribed tidal work
                                                    that is unsafe for persons standing or walking on the work is
                                                    surrounded by adequate barriers to deter persons from entering
                                                    the part; (c) if a relevant planning scheme standard is more
                                                    stringent than the standard mentioned in paragraph (a) or (b)—


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Coastal Protection and Management Regulation 2003 – Schedule 4A – IDAS code for the development of prescribed tidal work