2022-05-16 GC Agenda - Item 7 - Attachment 1 - Report from Marine Approval Specialists

Performance outcome                 Acceptable outcome                   Applicant response              Assessment
12.4 Prescribed tidal works are     The design and construction of the   Complies with Performance       The applicant has demonstrated
designed and constructed using      prescribed tidal works is            Outcome 12.4.                   compliance with PO12.4. Given the
materials suitable for marine       consistent with the following        The rock utilised is to be      nature of the Project and the
environments, having regard to      standards—                           suitable for use in the         materials proposed, the works are
their ability to resist the         (a) subject to paragraph (b), each   marine environment. It is       suitable for the marine environment
following—                          Australian Standard relevant         not vulnerable to attack by     and comply with relevant Standards.
(a) attack by marine                to the materials that should be      marine organisms,
organisms;                          used, or the measures that           corrosion, deterioration,
(b) corrosion;                      should be taken to treat             abrasion, immersion in
(c) deterioration or breakage       materials used, for structures,      seawater or wave action
resulting from exposure to          to the extent the requirements       within the life of the works.
environmental conditions            stated in the Standard apply         For specifications, refer
including, for example, the         to structures located in a           ICM drawing NROR-2021-
following—                          marine environment;                  02 Note 2.1.
(i) abrasion;                       (b) if a relevant planning scheme    The cured oyster shell was
(ii) immersion in                   standard is more stringent           originally sourced from
seawater;                           than the standard mentioned          within the marine
(iii) wave action                   in paragraph (a)—the                 environment and is
                                    relevant planning scheme             suitable for use in the
                                    standard, to the extent it is        Noosa River subject to
                                    more stringent than the              curing in accordance with
                                    standard mentioned in                relevant legislation. For
                                    paragraph (a).                       specifications, refer ICM
                                                                         drawing NROR-2021-02
                                                                         and Project Restoration
                                                                         Plan.
12.5 Prescribed tidal works are     The design and construction of the   Complies with Performance       The applicant has demonstrated
designed and constructed in a       prescribed tidal works is            Outcome 12.5.                   compliance with PO12.5. The works
way to ensure they do not           consistent with the following        The works are seaward of        are satisfactorily located in order to
adversely affect the operation or   standards—                           MHWS and will not               avoid impact to existing stormwater
maintenance of any existing         (a) subject to paragraph (c),        adversely affect the            outlets.
stormwater outlet.                  vessels moored at prescribed         operation or maintenance