Wollongong Flood Management Conditions

21. Stormwater Drainage Design A detailed drainage design for the development must be submitted to and approved by the Principal Certifier prior to the release of the Construction Certificate. The detailed drainage design must satisfy the following requirements: a. Be prepared by a suitably qualified Civil Engineer in accordance with Chapter E14 of Wollongong City Council’s Development Control Plan 2009, Subdivision Policy, conditions listed under this consent, and generally in accordance with the concept plan/s lodged for development approval by Greenview Consulting, including the plans listed below: Drawing No. Drawing Title Revision Date C01 NOTES & LEGENDS 4 18.06.2024 C02 BASEMENT 1 4…

46. Stormwater Drainage Design A detailed drainage design for the development must be submitted to and approved by the Principal Certifier prior to the release of the Subdivision Works Certificate. The detailed drainage design must satisfy the following requirements: a. Be prepared by a suitably qualified Civil Engineer in accordance with Chapter E14 of Wollongong City Council’s Development Control Plan 2009, Subdivision Policy, conditions listed under this consent, and generally in accordance with the concept plan/s lodged for development approval, prepared by Infrastructure and Development Consulting, Reference No. C200 to C202, issue H to K, dated 09/04/2025 b. Include details of the…

In order to reduce the opportunities for “hiding places” the proposed landscaping must: • Use shrubs/plants which are no higher than one (1) metre. • The type of trees proposed must have a sufficiently high canopy, when fully grown, so that pedestrian vision is not impeded. • Be set back one (1No.) metres from the centre of the pathway. Groundcovers acceptable. Low Impact lighting The areas surrounding the new building and car parking areas shall incorporate ‘low impact’ lighting (floodlighting and bollard lighting) to ameliorate any light spillage and/or glare impacts upon surrounding properties. The final design details of the proposed lighting system shall be reflected on the…

42. Stormwater Drainage Design A detailed drainage design for the development must be submitted to and approved by the Principal Certifier prior to the release of the Construction Certificate. The detailed drainage design must satisfy the following requirements: a. Be prepared by a suitably qualified Civil Engineer in accordance with Chapter E14 of Wollongong City Council’s Development Control Plan 2009, Subdivision Policy, conditions listed under this consent, and generally in accordance with the concept plan/s lodged for development approval, prepared by Davron Engineering, Reference No. 2305-4040, revision A, dated 7-2023. b. Include details of the method of stormwater disposal.…

117. Works-As-Executed (WAE) Plans The submission of two (2) sets (minimum) of WAE plans to the Principal Certifier, prior to the release of the Subdivision Certificate. The WAE plans shall be certified by a registered surveyor indicating that the survey is a true and accurate record of the works that have been constructed. The WAE dimensions and levels must also be shown in red on a copy of the approved Subdivision Certificate plans. The WAE plans must include: a. Final locations and levels for all works associated with the subdivision which also indicates the final volume of each on-site detention and subsoil drainage locations; b. a separate conduit plan showing the location of all…

38. Road Design The road design must be designed with Council’s Subdivision Policy and comply with the following: a. The grading and layout of all roads and lots must not allow for trapped low points and in addition ensure that overland flow is passed safely over public land. b. The road pavement must be designed with one layer of AC10 asphalt having a minimum thickness of 40mm. The pavement design for the proposed roads must be carried out by a qualified Geotechnical/Civil Engineer in accordance with AUSTROADS Guide to Pavement Technology. c. All vertical and horizontal alignment of all streets and all street intersections within the development must have adequate sight distance provided…

40. Flood Level Requirements The following requirements shall be reflected on the Construction Certificate plans, prior to the release of the Construction Certificate: The following requirements shall be reflected on the Construction Certificate plans, prior to the release of the Construction Certificate: a. Habitable floor levels must be constructed at no lower than as shown on the approved architectural plans. b. Garage floor levels and carpark spaces must be constructed at no lower than as shown on the approved architectural plans. c. Any portion of the building or structure below the finished floor level should be built from flood compatible materials. Where materials are proposed and…

86. Flood Level Requirements The following requirements shall be reflected on the Construction Certificate plans, prior to the release of the Construction Certificate: a. Habitable floor levels must be constructed at a minimum of the 1% AEP flood level (as determined by an experienced and qualified engineer), with flood proofing being provided for the remaining 300mm freeboard. b. Any portion of the building or structure below 1% AEP flood level (as determined by an experienced and qualified engineer) plus 300mm freeboard should be built from flood compatible materials. Where materials are proposed and not listed in Appendix B of Chapter E13 of the Wollongong DCP 2009, relevant…

85. Flood Level Requirements The following requirements shall be reflected on the Construction Certificate plans, prior to the release of the Construction Certificate: a. Habitable floor levels must be constructed at a minimum of the 1% AEP flood level (as determined by an experienced and qualified engineer), with flood proofing being provided for the remaining 300mm freeboard. b. Any portion of the building or structure below 1% AEP flood level (as determined by an experienced and qualified engineer) plus 300mm freeboard should be built from flood compatible materials. Where materials are proposed and not listed in Appendix B of Chapter E13 of the Wollongong DCP 2009, relevant…

91. Flood Proofing The premises must be flood proofed up to a minimum of the highest adjacent 100 year flood level as determined by a suitably qualified civil engineer plus 0.3 metres freeboard (1% AEP plus 0.3m freeboard). The term ‘flood proofed’ is intended to mean any combination of measures necessary to ensure that flood water will not physically enter the premises in the event of a flood. In satisfying this requirement, consideration shall be given to the structural soundness and flood compatibility of the proposed building structures including walls, doors, weepholes, vents, etc. Flood proofing is required to be designed by a suitably qualified civil (structural) engineer.…

86. Flood Proofing The premises must be flood proofed up to a minimum of the highest adjacent 100 year flood level as determined by a suitably qualified civil engineer plus 0.3 metres freeboard (1% AEP plus 0.3m freeboard). The term ‘flood proofed’ is intended to mean any combination of measures necessary to ensure that flood water will not physically enter the premises in the event of a flood. In satisfying this requirement, consideration shall be given to the structural soundness and flood compatibility of the proposed building structures including walls, doors, weepholes, vents, etc. Flood proofing is required to be designed by a suitably qualified civil (structural) engineer.…

100. Construction Site Water Pullution Sources All potential sources of water pollution derived from the development must be managed at all times in a way that prevents them from entering a watercourse or the stormwater system. The stormwater system, which is designed only to receive or pass rainwater and floodwater, includes, but is not limited to, channels, pipes, culverts, road gutters and stormwater drains. Potential building site related pollution sources which must be prevented from entering a waterway or the stormwater system include but are not limited to oil and fuels from vehicles and machinery, cement, sand, sediment, paint, plaster, packaging, litter, waste, brick, tile,…

220. Strata Management Plan / Management Plan Any future Strata Management Plan and / Management Plan for the Building must include details of the proposed inspection and maintenance schedule for the flood gates, flood proofing and flood doors. The plan must provide details on: a) the annual inspection and testing requirements that must be undertaken to ensure the ongoing operational performance of all flood proofing measures for the life of the development. b) Approval requirements for general maintenance to ensure owners, lessees etc do not compromise the required flood proofing. A copy of the plan must be provided to the Principal Certifier and be to their satisfaction. Reason: To comply…

226. Strata Management Plan / Management Plan Any future Strata Management Plan and / Management Plan for the Building must include details of the proposed inspection and maintenance schedule for the flood gates, flood proofing and flood doors. The plan must provide details on: a) the annual inspection and testing requirements that must be undertaken to ensure the ongoing operational performance of all flood proofing measures for the life of the development. b) Approval requirements for general maintenance to ensure owners, lessees etc do not compromise the required flood proofing. A copy of the plan must be provided to the Principal Certifier and be to their satisfaction. Reason: To comply…

101. Flood Affectation Certification The submission of a report from a suitably qualified and experienced civil (hydrology) engineer to the Principal Certifier is required, prior to the issue of the Occupation Certificate and commencement of use. This report is required to certify that the ‘as-constructed’ development will not have any detrimental effects to adjoining properties or upon the subject land with respect to the loss of flood storage, changes in flood levels and alteration of flood conveyance, as a result of flooding or stormwater run-off and that safe occupation and efficient evacuation of people can be achieved in the in the event of a flood. Reason: To comply with the DCP and…

52. Floodlighting – Light Spillage/Glare Impact Mitigation Measures The proposed floodlighting system for the car parking area in the development shall be designed to ameliorate any potential light spillage and/or direct glare impacts upon surrounding properties. In this regard, a light spillage diagram is required to be submitted to the Principal Certifier, prior to the release of the Construction Certificate. This light spillage diagram shall confirm that appropriate measures have been incorporated in the design of the proposed floodlighting system, in order to guarantee that no adverse light spillage or direct glare impacts will occur upon any surrounding property. Reason: To protect…

145. No Adverse Run-off Impacts on Adjoining Properties The design and construction of the development shall ensure there are no adverse effects to adjoining properties, as a result of flood or stormwater run-off. Attention must be paid to ensure adequate protection for buildings against the ingress of surface run-off. Allowance must be made for surface run-off from adjoining properties. Any redirection or treatment of that run-off must not adversely affect any other property. Reason: To comply with Council's Development Control Plan.

141. No Adverse Run-off Impacts on Adjoining Properties The design and construction of the development shall ensure there are no adverse effects to adjoining properties, as a result of flood or stormwater run-off. Attention must be paid to ensure adequate protection for buildings against the ingress of surface run-off. Allowance must be made for surface run-off from adjoining properties. Any redirection or treatment of that run-off must not adversely affect any other property. Reason: To comply with Council's Development Control Plan.

87. No Adverse Run-off Impacts on Adjoining Properties The design and construction of the development shall ensure there are no adverse effects to adjoining properties, as a result of flood or stormwater run-off. Attention must be paid to ensure adequate protection for buildings against the ingress of surface run-off. Allowance must be made for surface run-off from adjoining properties. Any redirection or treatment of that run-off must not adversely affect any other property. Reason: To comply with Council's Development Control Plan.

76. No Adverse Run-off Impacts on Adjoining Properties The design and construction of the development shall ensure there are no adverse effects to adjoining properties, as a result of flood or stormwater run-off. Attention must be paid to ensure adequate protection for buildings against the ingress of surface run-off. Allowance must be made for surface run-off from adjoining properties. Any redirection or treatment of that run-off must not adversely affect any other property. Reason: To comply with Council's Development Control Plan.

91. No Adverse Run-off Impacts on Adjoining Properties The design and construction of the development shall ensure there are no adverse effects to adjoining properties, as a result of flood or stormwater run-off. Attention must be paid to ensure adequate protection for buildings against the ingress of surface run-off. Allowance must be made for surface run-off from adjoining properties. Any redirection or treatment of that run-off must not adversely affect any other property. Reason: To comply with Council's Development Control Plan.

93. No Adverse Run-off Impacts on Adjoining Properties The design and construction of the development shall ensure there are no adverse effects to adjoining properties, as a result of flood or stormwater run-off. Attention must be paid to ensure adequate protection for buildings against the ingress of surface run-off. Allowance must be made for surface run-off from adjoining properties. Any redirection or treatment of that run-off must not adversely affect any other property. Reason: To comply with Council's Development Control Plan.

20. Sizing of Drainage All roof gutters, downpipes, pits, and pipelines draining roof areas and other impervious surfaces with no deliberate overflow path to the on-site stormwater detention (OSD) facility, shall be designed to cater for a 1% AEP storm event in accordance with AS 3500.3: Plumbing and Drainage (Stormwater Drainage). Details of gutter/downpipe/pipeline sizes and locations shall be reflected on the Construction Certificate plans. Reason: To comply with Council's Development Control Plan.

100. Structural Soundness Certification The submission of a report from a suitably qualified and experienced structural engineer to the Principal Certifier is required, prior to the issue of the Occupation Certificate and commencement of use. This report is required to verify that the development can withstand the forces of floodwater, debris and buoyancy up to the finished floor level. Reason: To comply with Council's Development Control Plan.

41. Sizing of Drainage All roof gutters, downpipes, pits, and pipelines draining roof areas and other impervious surfaces shall be designed to cater for a 1% AEP storm event in accordance with AS 3500.3: Plumbing and Drainage (Stormwater Drainage). Details of gutter/downpipe/pipeline sizes and locations shall be reflected on the Construction Certificate plans. Reason: To comply with Council's Development Control Plan.

88. Fences Any new fences constructed on the site and located in the flood plain shall be of a type that will not obstruct the free flow of floodwaters and not cause damage to surrounding land in the event of a flood. Reason: To comply with Council's Development Control Plan.

87. No Adverse Runoff Impacts on Adjoining Properties The design of the development shall ensure there are no adverse effects to adjoining properties or upon the land as a result of flood or stormwater runoff. Reason: To protect neighbourhood amenity.

87. No Adverse Runoff Impacts on Adjoining Properties The design of the development shall ensure there are no adverse effects to adjoining properties or upon the land as a result of flood or stormwater runoff. Reason: To protect neighbourhood amenity.

43. No Adverse Runoff Impacts on Adjoining Properties The design of the development shall ensure there are no adverse effects to adjoining properties or upon the land as a result of flood or stormwater runoff. Reason: To protect neighbourhood amenity.

23. No Adverse Runoff Impacts on Adjoining Properties The design of the development shall ensure there are no adverse effects to adjoining properties or upon the land as a result of flood or stormwater runoff. Reason: To protect neighbourhood amenity.