Waverley Flood Management Conditions

19. STORMWATER MANAGEMENT To ensure that stormwater runoff from the development is drained in an appropriate manner, without impact to neighbouring properties and downstream systems, a detailed plan and certification of the development’s stormwater management system must be submitted and approved by Council’s Executive Manager, Infrastructure Services (or delegate) prior to the issue of the relevant Construction Certificate. The submitted civil drawings prepared by Warren Smith Consulting Engineers Pty Ltd, Job No. 7716000, Drawing No. WSCE-HS-DD-0000, WSCE-HS-DD-0001, WSCE-HS-DD- 0100, WSCE-HS-DD-0101, WSCE-HS-DD-0102, WSCE-HS-DD-0400, Issue 1, dated 19/09/2022 in conjunction with drawings…

21. COASTAL RISK ASSESSMENT AND EMERGENCY EGRESS Upon activation of the consent, the architectural and engineering plans shall be presented to a suitably qualified and practising engineering consultant to undertake an updated Coastal Risk Assessment. The report must be submitted and approved by Council’s Executive Manager, Infrastructure Services (or delegate) prior to the issue of the relevant Construction Certificate and at a minimum: DA-455/2022 15 (a) Describe the site/study area and demonstrate a detailed appreciation for the proposed scope of works. (b) Discuss any legislation and development controls applicable (such as Coastal Management Act 2016 and State Environmental Planning…

98. CREATION OF POSITIVE COVENANT AND RESTRICTION FOR OSD, PUMP OUT SYSTEM AND WSUD ELEMENT A “Positive Covenant” and “Restriction on the Use of Land” must be created for any required On-Site Stormwater Detention (OSD) system, pump out system and WSUD element, under Section 88E of the Conveyancing Act 1919. DA-22/2024 This is to place a restriction on the Title that the OSD system, pump out system and WSUD element are maintained and kept free of debris/weed to allow unobstructed passage of stormwater through the site and underneath the residence. The property owner/occupant must not modify or remove the OSD system, pump out system and WSUD element without consent from Council. The wording…

22. FLOODING REQUIREMENTS The property is on land identified as flood affected under the Council endorsed Waverley LGA Flood Study 2021. The registered proprietor’s attention is drawn to the likelihood that the development may be inundated by flood waters during a 1% Annual Exceedance Probability (AEP) storm event. This includes increasing flood effects elsewhere, loss of flood storage, changes in flood levels, flows and velocities caused by alterations to the flood conveyance. To ensure this has been considered, the submitted architectural plans will need to reflect the following: (a) All new building material must be flood resistant or flood compatible to a height of 5.7m (AHD). (b) All…

91. ONGOING FLOODING REQUIREMENTS Materials which may be damaged by flood waters, materials which may be mobilised during flooding and materials which may cause pollution must be stored above 1% AEP flood level + 300 mm freeboard. There must be no modifications made to flood compatible fencing. There must be no filling or blocking of the open, underfloor areas below 1% AEP flood level + 300 mm freeboard. DA-455/2022 38 Condition reason: To ensure the ongoing management of flood risk. SURVEILLANCE CAMERAS TO BE MAINTAINED ON THE PREMISES

97. ONGOING FLOODING REQUIREMENTS Materials which may be damaged by flood waters, materials which may be mobilised during flooding and materials which may cause pollution must be stored above 1% AEP flood level + 300 mm freeboard. There must be no modifications made to flood compatible fencing. There must be no filling or blocking of the open, underfloor areas below 1% AEP flood level + 300 mm freeboard. Condition reason: To ensure the ongoing management of flood risk. SURVEILLANCE CAMERAS TO BE MAINTAINED ON THE PREMISES

30. CONSTRUCTION TRAFFIC MANAGEMENT PLAN (CTMP) The applicant is to submit a Construction Traffic Management Plan (CTMP) for the approval of Council’s Executive Manager, Infrastructure Services, or delegate, prior to the issue of any Construction Certificate. For further information on what is required in the CTMP, please refer to Council’s website at: https://www.waverley.nsw.gov.au/building/development_applications/post_determination/develo pment_applications_-_conditions_of_consent STORMWATER & FLOODING