IDAS Code responses · OPW15/0240

_____________________________________________________________________________________________________________Callaghan and Toth Pty Ltd


stability of the bed and banks of any tidal water.              (a) subject to paragraph (b), prescribed tidal work does                     The works are mostly directionally drilled to
                                                                not cause, by changing the flow of water, the removal                        reduce impacts. On the Mossman Court park the
                                                                of, or disturbance to, the sediment on the bed and banks of any tidal        work is close to the banks but stability of the
                                                                water;                                                                       banks will not be compromised as the launch pit
                                                                (b) if a relevant planning scheme standard is more stringent than the        will be filled and rehabilitated. On the Serenity
                                                                standard mentioned in paragraph (a)—the relevant planning                    Close side of works the exit pit is approximately
                                                                scheme standard, to the extent it is more stringent                          100m from the banks of Weyba Creek.
                                                                than the standard mentioned in paragraph (a).
12.4 Prescribed tidal work is designed and constructed          The design and construction of the prescribed tidal work is consistent       Complies – the rising main will be constructed
using materials having a long life in marine                    with the following standards—                                                from polyethylene pipe which complies with
environments, having regard to their ability to resist          (a) subject to paragraph (b), each Australian Standard relevant to the       current standards.
the following—                                                  materials that should be used, or the measures that should be taken to
(a) attack by marine organisms;                                 treat materials used, for structures, to the extent the requirements
(b) corrosion;                                                  stated in the Standard apply to structures located in a marine
(c) deterioration resulting from abrasion or immersion in       environment;
seawater.                                                       (b) if a relevant planning scheme standard is more stringent than the
                                                                standard mentioned in paragraph(a)—the relevant planning scheme
                                                                standard, to the extent it is more stringent than the standard mentioned
                                                                in paragraph (a).
12.5 Prescribed tidal work is designed and constructed          The design and construction of the prescribed tidal work is consistent       N/A
in a way to ensure it does not adversely affect the             with the following standards—
operation or maintenance of any existing stormwater             (a) subject to paragraph (c), vessels moored at prescribed tidal work
outlet.                                                         do not impede the discharge of stormwater;
                                                                (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 constructed          The design and construction of the prescribed tidal work is consistent       The works will be completed in accordance with a
in a way to ensure it does not adversely affect the water       with the following standards—                                                Construction EMP which will ensure works are
quality of any tidal water, including, in particular, as a      (a) subject to paragraph (b), each Australian Standard relevant to the       completed in accordance with relevant standards
result of—                                                      design or construction of structures under, within or over tidal water, to   and in compliance with water quality
(a) release, into the tidal water, of materials used in the     the extent the requirements stated in the Standard are directed at           requirements of the EPP Water, QLD Acid Sulfate
construction of the work; or                                    maintaining the water quality of tidal water;                                Soils Guidelines, E&SC best practice etc.
(b) disturbance to the sediment on the bed and banks of         (b) subject to paragraph (b), each Australian Standard relevant to the
the tidal water; or                                             design or construction of structures under, within or over tidal water, to
(c) exposure to acid sulphate soils.                            the extent the requirements stated in the Standard are directed at
                                                                maintaining the water quality of tidal water;


IDAS Code Responses_Rising Main Works_MossmanCourttoSerenityClose                                                                                                           pg. 7