OPW16/0021- Operational Works Application 2 of 4

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   3 Maintenance!!
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   The!maintenance!of!any!stormwater!quality!improvement!device!will!ensure!that!the!
   system! functions! as! intended! through! the! asset! life.! ! To! assist! the! asset! owner! in!
   maintaining! the! devices! a! checklist! has! been! developed! which! identifies! key! areas!
   that! should! be! routinely! inspected,! cleaned,! maintained! and! rectified! as! required.!!
   The!checklist!for!the!bioretention!systems!is!provided!in!Appendix!2.!

   3.1          Frequency!of!Inspections!
   The! frequency! at! which! inspection! of! the! devices! occurs! is! an! important! aspect! of!
   maintaining! the! asset.! ! Inspections! should! occur! once! every! 2! months! in! the! wet!
   season!and!once!every!4!months!in!the!dry!season.!!The!table!below!outlines!when!
   routine!inspections!of!the!assets!should!occur!over!the!next!5!years.!
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Year!    Jan!     Feb!   Mar!     Apr!   May!   Jun!     Jul!    Aug!    Sep!     Oct!    Nov!    Dec!
2014!     !         !      !       !     !!       !       !        !      !!        !      !!          !
2015!    !!         !     !!       !     !!       !       !        !      !!        !      !!          !
2016!    !!         !     !!       !     !!       !       !        !      !!        !      !!          !
2017!    !!         !     !!       !     !!       !       !        !      !!        !      !!          !
2018!    !!         !     !!       !     !!       !       !        !      !!        !      !!          !

   Note:!In!addition!to!the!above!routine!inspections,!each!device!should!also!be!
   inspected!following!a!significant!rainfall!event.!

   3.2          Responsibility!
   It! is! the! responsibility! of! the! landholder! to! maintain! and! operate! the! devices!
   described! in! this! manual.! ! Council! should! identify! this! new! asset! to! the! designated!
   officer! who! shall! be! responsible! to! managing! the! inspections,! maintenance! and!
   rectification!of!the!system!as.!
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   Records!should!be!kept!in!a!suitable!location!that!is!accessible!to!the!landholder!and!
   Council!officers!(as!required).!

   3.3          Maintenance!and!Rectification!Works!
   To!ensure!the!effective!operation!of!the!systems,!any!maintenance!or!rectification!
   works!should!be!completed!as!soon!as!practical!after!the!issue!has!been!identified.!!
   For!items!that!may!require!more!time!to!rectify,!works!should!be!completed!as!a!
   minimum!before!the!next!scheduled!maintenance!inspection.!
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