OPW26-0055 - Response to Information Request

   1. Provide additional clarifying if the existing downpipes will connect directly to the new
   sealed pit. The additional detail must be prepared by a suitably qualified person (RPEQ).


Response
Lyndsay Consulting have prepared amended Civil Engineering Plans (Attachment 1), which
addresses Information Request Item 1. Further, the provided Engineering Response to
Information Request (Attachment 2) includes the following statement ‘…all existing downpipes
are required to be diverted and connected to new captive pipework which is to discharge to the
kerb and channel’.


Information Request Item 2 – Hydraulic Calculations
   No hydraulic calculations have been provided as referenced in Lindsay’s Operational Works
   Stormwater Plan (22-0416-F22, Rev. E) dated 10 April 2026.


   2. Provide hydraulic calculations demonstrating the charged line is functional for the
   entire roof area.


Response
Hydraulic calculations have been provided on the amended Civil Engineering Plans (Sheet F26)
(Attachment 1).


Information Request Item 3 – Level Spreader
   Provide comment from a suitably qualified person (RPEQ) ` the level spreader complies
   with Section 3.9 of QUDM whereby there is no ultimate nuisance caused to the downstream
   neighbour.


Response
As detailed in the Engineering Response to Information Request (Attachment 2), the Civil
Engineering Plans (Attachment 1) have been amended to alter the slow release of the captive
pipe to empty into a rubble pit. Rubble pit calculations added onto Page F22.




This document addresses all matters raised by Council within the Information Request dated
19/05/2026 and we look forward to the application progressing through the assessment process
as detailed within the Development Assessment Rules .


Should you have any questions about the information provided within this Information Response
please contact me direct.