Referenced Document MCU13/0171

Details of vehicle manoeuvring including swept paths for an Articulated Vehicle (and
therefore qualifying a HRV), and B99 passenger car through the site can be found in the
preliminary engineering drawings included in Appendix A.



5.0 STORMWATER MANAGEMENT – QUALITY

5.1 Construction Phase Stormwater Quality

The design objectives for water quality during the construction phase of the development
will be in accordance with Table 2.1 of Department of Environment and Resource
Management, Urban Stormwater Quality Planning Guidelines 2010 included in Appendix
B.

Best Practice measures will be implemented to control stormwater quality during
construction. This was deemed appropriate given the minor nature of groundworks
intended for the proposed development, i.e. reinstating failed pavements. Best Practice
measures will be in accordance with a future Erosion & Sediment Control Plan,
documented as part of an Operational Works approval, and the guidelines for Erosion and
Sediment Control practices on building sites, included in Appendix B.



5.2 Operational Phase Stormwater Quality

The site is to incorporate new best practice measures to improve the quality of stormwater
discharge from site when compared to the existing stormwater quality from the unused
brickworks factory. These improvement measures are detailed below.

Swales
Vegetated swales are an effective way of conveying stormwater runoff in lieu of
underground pipes while providing stormwater quality treatment. They are most effective
in removing coarse to medium sediments and some degree of nutrients. Swales also
ensure a slower discharge velocity compared to a piped stormwater network. Refer to the
preliminary engineering plans in Appendix A for the location of grassed or vegetated
swales and other Stormwater Quality Improvement Devices (SQIDs).

Typical vegetated swales are included below in Figure 5.0.




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