Campbelltown Flood Management Conditions

1. Approved development Development must be carried out in accordance with the following approved plans and documents, except where the conditions of this consent expressly require otherwise. Drawing Title Drawing No/Ref Issue/Revision Author Dated STAGE 1 - DA 23-034-DA-01-C010 - Infrastructure 08.07.2025 DRAWINGS & Development Consulting GENERAL 23­034­DA­01­C100 D Infrastructure 08.07.2025 ARRANGEMENT & PLAN Development Consulting NOTES AND 23-034-DA-01-C105 D Infrastructure 08.07.2025 LEGENDS & SHEET Development Consulting SITE CONTEXT 23-034-DA-01-C106 D Infrastructure 08.07.2025 PLAN & Development Consulting SEDIMENT AND 23-034-DA-01-C120 D Infrastructure 08.07.2025 EROSION & CONTROL…

113. Flood Emergency Kit Prior to the issue of an occupation certificate, a Flood Emergency Kit shall be prepared to the satisfaction of the Council or the principal certifier. The Flood Emergency Kit shall be located within a habitable room with a floor level at or above the Flood Planning Level (FPL), defined as the 1% AEP flood level plus a freeboard of 0.3m. It shall be made conspicuous and easily accessible to occupants and visitors at all times. The Flood Emergency Kit shall include, but not be limited to, the following items as a minimum: a. A Flood Emergency Response letter, prepared by a practising engineer experienced in Floodplain Risk Management, detailing: - Local flood levels,…

30. Stormwater management plan Prior to the appointed Certifier issuing a construction certificate, a plan indicating all engineering details and calculations relevant to the site regrading and the collection and disposal of stormwater from the site, building/s and adjacent catchment, shall be submitted for approval. Stormwater shall be managed generally in accordance with the stormwater plan prepared by ‘Capital Engineering Consultants’, ref no. SW24277, dated 19/08/2025, rev F, with the following variations to be included: a) Clearly defined overland flow paths shall be designed within the site in accordance with Section 2.20.2 of Council’s Engineering Design for Development (as amended)…

23. Engineering Guides, Codes & Specifications All engineering design and construction plans, documents and work for the proposed development shall be in accordance with but not limited to current versions of the following documents, guides codes, and specifications; a. Council's Specification for Construction of Subdivisional Road and Drainage Works, b. Council's Campbelltown (Sustainable City) Development Control Plan 2015, c. Campbelltown City Council's Engineering Design for Development Guide (as amended), d. Managing Urban Stormwater - Soils and Construction (a.k.a. the Bluebook), e. National Construction Code, Building Code of Australia, f. NSW Flood Risk Management Manual, g.…

24. Engineering Guides, Codes & Specifications All engineering design and construction plans, documents and work for the proposed development shall be in accordance with but not limited to current versions of the following documents, guides codes, and specifications; a. Council's Specification for Construction of Subdivisional Road and Drainage Works, b. Council's Campbelltown (Sustainable City) Development Control Plan 2015, c. Campbelltown City Council's Engineering Design for Development Guide (as amended), d. Managing Urban Stormwater - Soils and Construction (a.k.a. the Bluebook), e. National Construction Code, Building Code of Australia, f. NSW Flood Risk Management Manual, g.…

55. Flood Level Controls This site is located within an area identified as being at risk of being affected by the 1% AEP flood. The 1% AEP Flood Level for the subject site is provided below in the 1% AEP Flood Map. The development shall comply with the following restrictions: a. All openings, such as doors, windows, pedestrian entry points, and ventilation grates, shall be located at or above the 1% AEP flood level plus a freeboard of 0.3 m. b. All structures must have flood-compatible components up to and including the Flood Planning Level (FPL), which is the 1% AEP flood level plus a freeboard of 0.3 m. c. A NER Structural Engineer's certificate must be submitted prior to the issue of a…

54. Inspections – Civil Works The following stages of construction shall be inspected by the Certifying Authority: a. EROSION AND SEDIMENT CONTROL – • Direction/confirmation of required measures. • After installation and prior to commencement of earthworks. • As necessary until completion of work. b. STORMWATER PIPES – Laid, jointed and prior to backfill. DET001 1754/2025/DA-CW PAGE 20 c. SUBSOIL DRAINS – After: • The trench is excavated. • The pipes are laid. d. SUBGRADE – Joint inspection with a NATA Registered Laboratory after preliminary boxing, to confirm pavement report/required pavement thicknesses. e. SUBGRADE – 10/12 tonne 3-point roller proof test, density tests and finished…

31. Stormwater Management Plan (Green Field Subdivision) DET001 1754/2025/DA-CW PAGE 14 Before work commences, plans, electronic models and other supporting information indicating all engineering details and calculations relevant to site regrading and the collection and disposal of stormwater from the site and adjacent catchments, shall be submitted for assessment and approval by the Certifying Authority. Stormwater shall be managed generally in accordance with the approved Engineering Report prepared by Infrastructure & Development Consulting, dated 27 June 2025, and the approved Engineering Plans prepared by Infrastructure & Development Consulting, dated 8.07.2025, Rev D. All proposals…

111. Inundation by Flood Waters The subject land has been identified as being at risk from inundation by flood waters in the 1% AEP flood. Consequently, prior to the issue of an occupation certificate: a) The subject lots shall be filled to the levels specified by Council; b) The filling works shall be undertaken in accordance with Council’s Specification for Construction of Subdivisional Roads and Drainage Works (as amended) and Australian Standard AS 3798 Guidelines for Earthworks for Commercial and Residential Development (as amended); c) The finished surface levels shall comply with the approved engineering drawings; d) A registered surveyor shall certify the finished surface levels.…

52. On-Site Detention Facility Prior to the issue of a Construction Certificate, the applicant shall submit details and design calculations of the On-Site Detention (OSD) system for approval. The OSD system must comply with the requirements outlined in the Campbelltown City Council Engineering Design for Development Guide (as amended). The documentation must also state that the ongoing maintenance of the on-site detention facility is the responsibility of the owner. An Operation and Maintenance Manual for the detention facility shall be submitted to Council for the written approval of Council’s Manager Development Assessment prior to the issue of a Construction Certificate. Reason: To…

96. Floor Level The floor level of rooms at the ground floor of the proposed development shall be set at RL71.60m AHD, ensuring that all openings on the ground floor, such as doors, windows, pedestrian entry points, and ventilation grates, are located at or above the 1% AEP flood level plus a freeboard of 0.3m. Reason: To mitigate flood risks and ensure the safety of the occupants by preventing potential water ingress during extreme flood events.