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

Performance outcome                      Acceptable outcome                   Applicant response               Assessment
                                         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).
19.2 Prescribed tidal works that are a   (s 5(2) outcome)                     Not applicable.                  The Project is not a revetment or
revetment or seawall, are                The design and construction of the   Not a revetment or               seawall therefore PO19.2 is not
designed and constructed in a            revetment or seawall is consistent   seawall.                         applicable.
way to ensure the revetment or           with the following standards—        Despite this, it is noted that
seawall can withstand—                   (a) subject to paragraph (d), a      a) as a flexible rock
(a) any tendency of                      revetment or seawall is able         structure, failure modes do
overturning or sliding; and              to withstand the effect of           not include overturning or
(b) any other effects of waves           waves, or a combination of           turning
or changes in water levels               waves and water levels,              b) the structure has been
on the revetment or                      resulting from a storm event         designed in a way that it
seawall.                                 with an AEP of 2%, factoring         can withstand the effects
                                         in projected sea level rise;         of waves and water levels.
                                         (b) subject to paragraph (d), each
                                         of the following Australian
                                         Standards to the extent
                                         requirements stated in the
                                         Standard apply to relevant
                                         loading matters for the design
                                         or construction of the
                                         revetment or seawall—
                                         (i) AS/NZS 1170.0;
                                         (ii) AS/NZS 1170.1;
                                         (iii) AS/NZS 1170.2;
                                         (iv) AS 1170.4;
                                         (v) AS 4997
                                         (c) subject to paragraph (d),