Willoughby Contamination Conditions

6. Water NSW General Terms of Approval The following General Terms of Approval (GTA) issued by WaterNSW do not constitute an approval under the Water Management Act 2000. The development consent holder must apply to WaterNSW for the relevant approval after development consent has been issued by Council and before the commencement of any work or activity The following conditions from Water NSW must be complied with: Dewatering Groundwater must only be pumped or extracted for the purpose of temporary construction dewatering at the site identified in the development application. For clarity, the GT0115-00001 purpose for which this approval is granted is only for dewatering that is required for…

6. WaterNSW The following dewatering conditions from WaterNSW must be complied with: GT0115-00001 Groundwater must only be pumped or extracted for the purpose of temporary construction dewatering at the site identified in the development application. For clarity, the purpose for which this approval is granted is only for dewatering that is required for the construction phase of the development and not for any dewatering that is required once construction is completed. GT0116-00001 Before any construction certificate is issued for any excavation under the development consent, the applicant must: • apply to WaterNSW for, and obtain, an approval under the Water Management Act 2000 or Water Act…

3. WaterNSW The following General Terms of Approval (GTAs) from WaterNSW must be complied with. The GTA issued by WaterNSW do not constitute an approval under the Water Management Act 2000. The development consent holder must apply to Reference: DA-2023/256 Page 3 of 59 PPSSNH-433 WaterNSW for the relevant approval after development consent has been issued by Council and before the commencement of any work or activity. Dewatering GT0116-00001 Before any construction certificate is issued for any excavation under the development consent, the applicant must: 1. apply to WaterNSW for, and obtain, an approval under the Water Management Act 2000 or Water Act 1912, for any water supply works…

2. Approved Plan/Details The development must be in accordance with the following consent plans electronically stamped by Council: Revision/ Plan Date (as Plan Type Plan No. Prepared by Issue No. Amended) Site & Existing Conditions S12751, A01.001 Site Plan (Existing) Site & Existing Conditions S12751, A01.002 2 28.06.2024 Demolition Plan Site & Existing Conditions S12751, A01.003 Site Plan Proposed General Arrangement Plan S12751, A03.001 5 20.06.2025 Basement Level 01 Bates Smart General Arrangement Plan S12751, A03.002 4 31.10.2024 Architects Pty Basement Level 02 Ltd General Arrangement Plan S12751, A03.100 5 Ground Level General Arrangement Plan S12751, 1 Public Through-site Link…

201. Detailed Drawings Detailed construction drawings, specifications, and other supporting documentation required for a Construction Certificate are to be in accordance with the terms of this Consent and comply with the requirements of the National Construction Code. (Reason: Ensure compliance) Reference: DA-2024/106 Page 75 of 78 General advisory notes This consent contains the conditions imposed by the consent authority which are to be complied with when carrying out the approved development. However, this consent is not an exhaustive list of all obligations which may relate to the carrying out of the development under the EP&A Act, EP&A Regulation and other legislation. Some of these…

35. Construction and Demolition Waste Management Plan Before the issue of a construction certificate, an updated Construction & Demolition Waste Management Plan (WMP) should be submitted to Council. The plan must include the following details: (a) A site plan showing sorting and storage areas for demolition and construction waste and vehicle access to those areas; and (b) Hazardous materials (including but not limited to asbestos) disposal quantities, management and disposal details (including an asbestos clearance certificate if asbestos is present). Requirements of the approved Waste Management Plan (WMP) shall be complied with during all site preparation works, demolition (if proposed)…

11. Contamination – Investigation, Remediation and Validation After demolition of the structures on the site but prior to the lodgement of an application for a Construction Certificate: (a) The site shall be remediated in accordance with the Stage 3 – Remedial Action Plan (RAP) prepared by JBS&G Australia Pty Ltd, Ref. 65963, dated 2 July 2024; (b) Any variations to the RAP must be approved in writing by Council prior to the commencement of any work; (c) Prior notice of any remediation work must be given to Council at least 30 days before the commencement of the work in accordance with Clause 4.13 of State Environmental Planning Policy - (Resilience and Hazards) 2021; (d) A Stage 4…

92. Waste Management Plan during Construction and Demolition Requirements of the approved Construction & Demolition Waste Management Plan (C&D WMP) shall be complied with during all site preparation works, demolition (if proposed) and throughout all construction works. When implementing the WMP the developer is to ensure: (a) The disposal of any demolition and construction waste must be undertaken in accordance with the requirements of the Protection of Environment Operations Act (NSW) 1997. (b) All waste on site is to be stored, handled and disposed of in such a manner as to not create air pollution, offensive noise or pollution of land and water as defined by the Protection of Environment…

13. Detailed Stormwater Management Plan (SWMP) Prior to the issue of the Construction Certificate for each Stage, submit to the Certifier for approval, detailed stormwater management plans in relation to the on-site stormwater management and disposal system for the development. The construction drawings and specifications shall be prepared by a suitably qualified and experienced civil engineer and generally be in accordance with the concept stormwater management plans, prepared by Calibre – C1-2-00/H, C1-2-01/H, C1-2-02/H, C1-2- 03/H, C1-4-20/G, C1-4-21/G, C1-4-30/I, C1-4-60/F all dated 14/10/2022, C2-2-00/I, C2-2-01/I, C2-2-02/I, C2-2-03/I, C2-4-20/H, C2-4-30/J, C2-4-60/H all dated…

10. Notice of proposed work (contaminated land) A notice of commencement must be provided to Council’s Development Assessment Officer, in accordance with State Environmental Planning Policy (Resilience and Hazards) 2021, Chapter 4, Clause 4.13. Note: At least 30 days notice is required, except in the case of work required to be carried out immediately under the terms of remediation order (in which case, at least 24 hours notice is required). State Environmental Planning Policy (Resilience and Hazards) 2021, Chapter 4, Clause 4.13 requires that the notice must: - be in writing - provide the name, address and telephone number of the person who has the duty of ensuring that the notice is given…

98. Dust Control Dust from works on the site shall be carried out in accordance with the recommendations contained in Section 9.6 of the Stage 3 – Remedial Action Plan (RAP) prepared by JBS&G Australia Pty Ltd, Ref. 65963, dated 2 July 2024. In addition, the following measures must be taken to control the emission of dust: (a) Dust screens must be erected around the perimeter of the site and be kept in good repair for the duration of the work. (b) Any existing accumulation of dust (e.g. in ceiling voids and wall cavities) must be removed using an industrial vacuum cleaner fitted with a high efficiency particulate air (HEPA) filter. (c) All dusty surfaces and activities must be wet down and…

48. Construction and Demolition Waste Management Plan Before the issue of a construction certificate, an updated Construction & Demolition Waste Management Plan (C&D WMP) should be submitted to Council. The plan must be prepared in accordance with Willoughby Development Control Plan 2023, that provides for waste management that applies to the land on which the work is carried out. The plan must include the following details: (a) An estimate of the types, volumes and weights of waste and recyclables generated during demolition and construction, with evidence of the method of calculation such as an excavation plan; (b) The percentage (by weight) of demolition and construction waste that will…

156. Validation report to be submitted After completion of the remedial works, a copy of the validation report shall be submitted to Council being the regulatory authority for the management of contaminated land, prior to the issue of an Occupation Certificate. The Validation Report shall be prepared in accordance with the NSW Environment Protection Authority’s (EPA) guidelines, Consultants Reporting on Contaminated Sites, and shall: - describe and document all works performed - include results of validation testing and monitoring - include validation results of any fill imported on to the site - show how all agreed clean-up criteria and relevant regulations have been complied with -…

96. Unexpected Finds Protocol An unexpected finds contingency plan should be incorporated into site redevelopment works. In the event that previously unidentified contaminated soils or materials are identified during site redevelopment, works should cease in the Reference: DA-2024/106 Page 45 of 78 immediate vicinity and the affected area isolated to minimise disturbance. A suitably qualified contaminated site consultant should be engaged to assess the degree, type and extent of contamination and establish a suitable remediation plan. The Site Manager/landowner shall notify Council in writing when they become aware of any contamination. (Reason: Environment & Health Protection)

75. Unexpected Finds Protocol An unexpected finds contingency plan should be incorporated into site redevelopment works. In the event that previously unidentified contaminated soils or materials are identified during site redevelopment, works should cease in the immediate vicinity and the affected area isolated to minimise disturbance. A suitably qualified contaminated site consultant should be engaged to assess the degree, type and extent of contamination and establish a suitable remediation plan. The Site Manager/landowner shall notify Council in writing when they become aware of any contamination. (Reason: Environment & Health Protection)

86. Unexpected Finds Protocol An unexpected finds contingency plan should be incorporated into site redevelopment works. In the event that previously unidentified contaminated soils or materials are identified during site redevelopment, works should cease in the immediate vicinity and the affected area isolated to minimise disturbance. A suitably qualified contaminated site consultant should be engaged to assess the degree, type and extent of contamination and establish a suitable remediation plan. The Site Manager/landowner shall notify Council in writing when they become aware of any contamination. (Reason: Environment & Health Protection)

82. Unexpected Finds Protocol An unexpected finds contingency plan should be incorporated into site redevelopment works. In the event that previously unidentified contaminated soils or materials are identified during site redevelopment, works should cease in the immediate vicinity and the affected area isolated to minimise disturbance. A suitably qualified contaminated site consultant should be engaged to assess the degree, type and extent of contamination and establish a suitable remediation plan. The Site Manager/landowner shall notify Council in writing when they become aware of any contamination. (Reason: Environment & Health Protection)

157. Site audit statement to be submitted A site audit statement (SAS) shall be submitted to Council, being the regulatory authority for the management of contaminated land, prior to the issue of an Occupation Certificate. The SAS shall clearly demonstrate that the site is suitable for the intended use. Conditions imposed on the SAS shall form part of this consent. In circumstances where the SAS conditions (if applicable) are not consistent with the consent, the consent shall prevail to the extent of inconsistency (Reason: To ensure compliance with SEPP (Resilience and Hazards) 2021 and environmental health)

93. Waste Classification – Excavation Materials All materials excavated and removed from the site (fill or natural) shall be classified as complying with a Resource Recovery Order and associated exemptions made under the Protection of the Environment Waste Regulation 2014, or as waste classified in accordance with the Environment Protection Authority (EPA) Waste Reference: DA-2024/106 Page 44 of 78 Classification Guidelines prior to being removed to a recipient site or to a suitable EPA approved waste disposal facility. (Reason: Environment & Health Protection)

92. Waste Classification – Excavation Materials All materials excavated and removed from the site (fill or natural) shall be classified in accordance with the Environment Protection Authority (EPA) Waste Classification Guidelines prior to being disposed of to a NSW approved landfill or to a recipient site. (Reason: Environment and health protection) PRIOR TO OCCUPATION OF THE DEVELOPMENT The following conditions of consent must be complied with prior to the issue of an occupation certificate. Reference: DA-2023/256 Page 40 of 59 PPSSNH-433

73. Waste Classification – Excavation Materials All materials excavated and removed from the site (fill or natural) shall be classified as complying with a Resource Recovery Order and associated exemptions made under the Protection of the Environment Waste Regulation 2014, or as waste classified in accordance with the Environment Protection Authority (EPA) Waste Classification Guidelines prior to being removed to a recipient site or to a suitable EPA approved waste disposal facility. (Reason: Environment & Health Protection)

74. Waste Classification – Excavation Materials All materials excavated and removed from the site (fill or natural) shall be classified as complying with a Resource Recovery Order and associated exemptions made under the Protection of the Environment Waste Regulation 2014, or as waste classified in accordance with the Environment Protection Authority (EPA) Waste Classification Guidelines prior to being removed to a recipient site or to a suitable EPA approved waste disposal facility. (Reason: Environment & Health Protection)

80. Waste Classification – Excavation Materials All materials excavated and removed from the site (fill or natural) shall be classified as complying with a Resource Recovery Order and associated exemptions made under the Protection of the Environment Waste Regulation 2014, or as waste classified in accordance with the Environment Protection Authority (EPA) Waste Classification Guidelines prior to being removed to a recipient site or to a suitable EPA approved waste disposal facility. (Reason: Environment & Health Protection)

85. Hazardous Materials – Clearance Certificate Following completion of the removal of any identified hazardous material associated with demolition works, a clearance certificate shall be issued by an appropriately qualified occupational hygienist and submitted to the Certifier. The clearance Reference: DA-2023/256 Page 37 of 59 PPSSNH-433 certificate shall verify that the site is free from any hazardous materials from the demolished buildings. (Reason: Health and safety)

56. Hazardous Building Material Assessment Prior to commencement of work, a hazardous building material assessment shall be undertaken by an appropriate qualified person and is to be submitted to the Certifier for approval. The assessment shall identify any likely hazardous materials within any structure to be demolished and provide procedures on how to handle and dispose of such materials. (Reason: Environmental protection/public health and safety)

69. Hazardous Building Material Assessment Prior to commencement of work, a hazardous building material assessment shall be undertaken by an appropriate qualified person and is to be submitted to the Certifier for approval. The assessment shall identify any likely hazardous materials within any structure to be demolished and provide procedures on how to handle and dispose of such materials. (Reason: Environmental protection/public health and safety)

59. Hazardous Building Material Assessment Prior to commencement of work, a hazardous building material assessment shall be undertaken by an appropriate qualified person and is to be submitted to the Certifier for approval. The assessment shall identify any likely hazardous materials within any structure to be demolished and provide procedures on how to handle and dispose of such materials. (Reason: Environmental protection/public health and safety)

74. Hazardous Materials – Clearance Certificate Following completion of the removal of any identified hazardous material associated with demolition works, a clearance certificate shall be issued by an appropriately qualified occupational hygienist and submitted to the Certifier. The clearance certificate shall verify that the site is free from any hazardous materials from the demolished buildings. (Reason: Health and safety)

81. Hazardous Materials – Clearance Certificate Following completion of the removal of any identified hazardous material associated with demolition works, a clearance certificate shall be issued by an appropriately qualified occupational hygienist and submitted to the Certifier. The clearance certificate shall verify that the site is free from any hazardous materials from the demolished buildings. (Reason: Health and safety)

95. Hazardous Materials – Clearance Certificate Following completion of the removal of any identified hazardous material associated with demolition works, a clearance certificate shall be issued by an appropriately qualified occupational hygienist and submitted to the Certifier. The clearance certificate shall verify that the site is free from any hazardous materials from the demolished buildings. (Reason: Health and safety)

129. Project Arborist Certification Prior to the issue of any Occupation Certificate, the Project Arborist is to certify in writing that all tree protection measures and remediation works have been complied with as per conditions of consent. (Reason: Protection of trees required to be retained)

102. Project Arborist Certification Prior to the issue of any Occupation Certificate, the Project Arborist is to certify in writing that all tree protection measures and remediation works have been complied with as per conditions of consent. (Reason: Protection of trees required to be retained)

151. Project Arborist Certification Prior to the issue of any Occupation Certificate, the Project Arborist is to certify in writing that all tree protection measures and remediation works have been complied with as per conditions of consent. (Reason: Protection of trees required to be retained)

145. Remedial Action Plan For the purposes of public health, any Remedial Action Plan (if applicable), where on going requirements or maintenance or up keep is required, is to be undertaken for the life of the development. (Reason: Public Health)