IDAS Code responses · OPW15/0240

_____________________________________________________________________________________________________________Callaghan and Toth Pty Ltd


                                                           distributed live load of 1.5kPa is applied to half of the surface of the
                                                           pontoon’s flotation unit and all of the surface of the pontoon’s access
                                                           walkways;
                                                           (e) subject to paragraph (f), the whole base of the pontoon’s flotation
                                                           unit remains in contact with the water over which it is constructed at all
                                                           times and tilts no more than 15º at any time;
                                                           (f) if a relevant planning scheme standard is more stringent than the
                                                           standard mentioned in paragraph (a), (b), (c), (d) or (e)—the relevant
                                                           planning scheme standard, to the extent it is more stringent than the
                                                           standard mentioned in paragraph (a), (b), (c), (d) or (e).
18.5 Prescribed tidal work that is a pontoon is designed   The design and construction of the pontoon is consistent with the            N/A
and constructed in a way to ensure it remains above the following standards—
water at all times.                                        (a) subject to paragraph (b), the pontoon’s abutment is located no less
                                                           than 300mm above the water at high water mark;
                                                           (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).
18.6 Prescribed tidal work that is a pontoon is designed   The design and construction of the pontoon is consistent with the            N/A
and constructed in a way to ensure that if tidal water     following standards—
levels change, the pontoon’s flotation unit will—          (a) subject to paragraph (c), the pontoon’s flotation unit is—
(a) rise and fall to allow for the change; and             (i) attached, through the pontoon’s system for mooring the unit, to
(b) not be separated from the lot to which the pontoon is concrete anchors in the bank landward of the pontoon; or
connected                                                  (ii) moored by piles;
                                                           (b) subject to paragraph (c), if a tidal water level change resulting from
                                                           a 1% probability flood event would cause a pontoon’s flotation unit to
                                                           detach from the system for mooring the unit—
                                                           (i) the standard applying under paragraph (a); and
                                                           (ii) the pontoon’s flotation unit is restrained with a tethering system so
                                                           that it can withstand the effects of the event;
Design, construction and safety—retaining walls, revetments and seawalls
19.1 Prescribed tidal work that is a retaining wall,       (s 6(2) solution)                                                            N/A
revetment or seawall, is designed and constructed in a     The design and construction of the retaining wall, revetment or seawall
way to ensure it is able to support its intended loads,    is consistent with the following standards—
having regard to its relevant loading matters.             (a) subject to paragraph (b), a retaining wall, revetment or seawall is
                                                           able to support at least a distributed live load of 3.0kPa;
                                                           (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


IDAS Code Responses_Rising Main Works_MossmanCourttoSerenityClose                                                                             pg. 15