Compiled Reference Documents - MCU24/0153 & OPW24/0202

Technical Memorandum
51 Elanda Street Stormwater Management Plan Addendum

Client: Archend
Council: Noosa Shire Council
Document reference: 51 Elanda Street- Response to Council information request
Prepared By: Adam Young
Signed: Eoin Whitmore RPEQ: 31423
Date: 26/09/2025



Purpose

This technical memorandum has been prepared in response to Council’s Further Advice Request for
application MCU24/0153, OPW24/0202, and PLM24/0024 at 51 Elanda Street, Sunshine Beach. The
purpose of this memo is to address the issues raised by Council and provide a detailed response to
ensure the resolution of outstanding matters related to the civil scope of works.

As part of this submission, amended Operational Works plans have been attached. These plans have
been updated to reflect the responses outlined in this memorandum and demonstrate compliance
with the relevant requirements.


Issue – Updated Stormwater Engineering Drawings and Report
Amended plans and associated reports must be submitted to Council prior to any further
development applications being made and must include the following to the reasonable
satisfaction of the Manager, Development Assessment:
1.1. Provide updated stormwater and engineering drawings including:
a. Additional detail demonstrating that the post-development peak flow rate
discharging to structure “7/1” does not exceed the pre-development peak flow
rate. The detail must clearly demonstrate that the development and calculations
incorporate appropriate climate change allowances in accordance with AO2.4 of
the Water Quality and Drainage Code.
b. Additional detail confirming an appropriate climate change allowance has been


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