OPW1/0370 Operational Works Application for Prescribed Tidal Works · OPW14/0370

Coastal Protection and Management Regulation 2003
Schedule 4A Assessment of Compliance

 

Specific Outcome

A probable Solution

standard, to the extent it is more
stringent than the standard
mentioned in paragraph (a).

Comments

 

19.2 Prescribed tidal work that is a
retaining wall, revetment or seawall, is
designed and constructed in a way

to ensure it can withstand—

(a) any tendency of overturning or
sliding; and

(b) any other effects of waves or
changes in water levels on the
retaining wall, revetment or

seawall.

(s 6(2) solution)

The design and construction of the
retaining wall, revetment or seawall is
consistent with the following
standards—

(a) subject to paragraph (c), a retaining
wall, revetment or seawall has a
factor of safety of no less than 1.5;
(b) subject to paragraph (c), a retaining
wall, revetment or seawall is able to
withstand the effect of waves, or
waves and water levels, resulting
from a storm or other natural event
of a magnitude that has a 2%.or
lower probability of occurring in

any calendar year; :

(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).

The RPEQ responsible for the project has certified the
design of the proposed works is in accordance with the
projects objectives. The objectives require structural
integrity adequate for the purpose.

 

 

19.3 Prescribed tidal work that is a
retaining wall, revetment or seawall not
founded upon rock, is designed and
constructed to protect the seaward side
of retaining wall,

revetment or seawall from erosion.

 

(s 6(2) solution)

The design and construction of the
retaining wall, revetment or seawall is
consistent with the following
standards—

(a) subject to paragraph (c), a.retaining
wall, revetment or seawall provides
for a sub-layer or enough filter
material to ensure it is reasonably
likely to remain in place for at ieast
50 years;

 

The construction technique for the revetment wall is detailed
on Drawing 0000009 Sheet 09 and certified by the inhouse
RPEQ to meet the project objectives.

 

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