8. Appendix E - Previous Approval

 

(e)

()

(9)

pedestrian refuge areas at strategic locations within the carpark to ensure safe
and convenient congregating of pedestrians waiting to cross major access
driveways

a total of 30 bicycle parking spaces for stage 1, and 10 bicycle parking spaces for
stage 2, which are to be located close to the entrance of the building.

end of trip facilities involving 15 lockers, 2 showers and change rooms for stage 1,
and 5 lockers, 1 shower and change rooms for stage 2.

HYDRAULICS & WATER QUALITY
Stormwater Drainage

The site must be provided with a stormwater drainage system connecting to a lawful point
of discharge. The works must be undertaken in accordance with an Operational Works
approval and QUDM, and must include in particular:

35.

36.

(a)

(b)
(c)

(d)

(e)
*(Refer to Advisory Note)
Stormwater Quality Management

the works described in section 3 and 5 of the Site Based Stormwater Management
Report listed in this Decision Notice.

collection and discharge* of stormwater to Hoffman Drive.

extension of the site stormwater system to accommodate stormwater from the
external catchment as nominated and shown in section 4 of the site based
stormwater management report.

Design calculations and comments outlining how external stormwater flows will be
managed through the site from the external upstream catchment as proposed in
section 4 of the site based stormwater management plan. Any final design must
include:

(i) a site based drainage system which accepts and conveys existing minor
flows from Eenie Creek Road, Commerce Court and existing industrial
development to the west. Detailed design calculations must be submitted
with a concurrent operational works application which demonstrates no
additional afflux on upstream private and public land.

(ii) a site based drainage system which accepts and conveys external
upstream major flows up to and including the 1% AEP flood event, without
increasing afflux to existing upstream private and public land.

(iii) analytical justification that demonstrates design flows can enter any
proposed underground drainage system under appropriate blockage
conditions.

(iv) potential effects of flows in excess of the design flow including the
consequences of the Probable Maximum Flood.

(v) allowances made in the design for debris blockages of the inlet.

(vi) potential effects of debris blockages in excess of that allowed for in the
design.

(vii) | an easement for drainage purposes to be registered against the title of the
property in favour of Council over the land and drainage system which
conveys external flows through the site. The easement must be granted at
no cost to council.

the use of gravity stormwater drainage and not surcharge pits.

A stormwater quality treatment system must be provided for the development. The works
must be undertaken in accordance with an Operational Works approval and the latest

 

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