G - Engineering Code Assessment

                                 Sediment Control (BPESC)
                                 2008; and

                                 d) temporary or permanent
                                 downpipes are connected to the
                                 stormwater system before
                                 laying the roof; or

                                 e) localised erosion is avoided
                                 by directing flow from
                                 downpipes over non-erosive
                                 areas

PO2                              S2.1 Work within waterways        Not Applicable
                                 must be undertaken in
Construction activities within   accordance with Best Practice
watercourses are planned to      Erosion and Sediment Control,
prevent erosion, construction    Appendix I – Instream works,
failure and associated           Sections 14 and 16
sedimentation.                   International Erosion Control
                                 Association 2008.

                                 S2.2 Temporary vehicular
                                 crossings of waterways must be
                                 designed and constructed to
                                 convey flows for the 50%AEP
                                 event and remain stable for all
                                 rainfall events up to 10%AEP
                                 event.