- The subcontractor shall carry out street sweeping operations across designated major and local roads within the project area to maintain clean and safe work zones. - Sweeping shall be performed before, during, and after construction activities, including potholing and subsurface utility investigations, to remove debris, dust, and loose materials. - All equipment used must be suitable for urban environments and capable of handling both dry and wet waste, with appropriate disposal methods in accordance with environmental regulations. - The subcontractor is responsible for coordinating sweeping schedules with traffic control setups to ensure minimal disruption to public and construction traffic. - Daily logs of sweeping activities, including areas covered, waste volumes, and equipment used, must be submitted to the principal contractor for review and record-keeping.

- Perform piling works involving drilling, concreting, and installation of reinforcement for three deep foundation elements, including associated formwork and testing. - Provide all labour, plant, equipment, materials, and temporary works necessary to complete the piling activities safely and in accordance with specifications. - Submit detailed construction methodology, staging plans, and quality documentation, and coordinate with other trades and site personnel throughout the works. - Ensure compliance with environmental, safety, and sustainability requirements, including use of biodiesel and achieving waste diversion targets. - Maintain accurate records of progress, testing, and site activities, and submit regular reports and certifications as per project requirements. - Mobilise and demobilise resources in line with the construction program, ensuring minimal disruption and full adherence to site protocols.

- Supply and delivery of compliant quarry materials to Riverstone and Rouse Hill sites, including materials for stormwater, drainage, water/sewer, roadworks, structural backfill, and general earthworks. - Perform sampling, testing, and certification of all materials prior to delivery, ensuring compliance with Sydney Water and Australian Standards. - Provide weed-free topsoil, mulch, and compost, and ensure structural fill meets specified compaction and grading requirements. - Coordinate with multiple site interfaces including earthworks, drainage, pipework, piling, and mechanical/electrical installations. - Maintain accurate documentation, sustainability reporting, and compliance with environmental, safety, and quality management plans. - Mobilise and demobilise as per program requirements, with all logistics, permits, and access managed in coordination with John Holland.

- The subcontractor shall provide skilled and semi-skilled labour resources to support various site activities including but not limited to site preparation, material handling, clean-up, and assistance to trades. - Labour personnel must be appropriately inducted, trained, and equipped to perform tasks safely and efficiently under the supervision of the principal contractor. - Works may include manual excavation, trenching, backfilling, site housekeeping, fencing support, traffic control assistance, and general site maintenance. - Labour hire must be flexible to accommodate changing site demands, including day/night shifts, weekend work, and short-notice mobilisation. - All personnel must comply with site-specific safety, environmental, and quality requirements, including PPE standards, toolbox talks, and reporting protocols. - The subcontractor shall maintain daily attendance records, task logs, and coordinate with site supervisors to ensure alignment with the construction program.

- Provide surveying services including control network establishment, set-out, as-built surveys, deformation monitoring, and quality assurance across Riverstone and Rouse Hill sites. - Ensure all surveyors are qualified per NSW legislation and standards, and maintain survey infrastructure in coordination with NWHA's Survey Manager. - Use approved software (12D Field and 12D Synergy) for data processing, reporting, and integration with digital engineering systems. - Submit validated survey data, reports, and metadata in compliance with NWHA's specifications and participate in regular coordination meetings. - Maintain and calibrate all survey equipment annually, with service certificates submitted to NWHA. - Mobilise and demobilise as per program, with works scheduled from December 2025 to August 2029.

- Design, supply, installation, certification, relocation, and dismantling of scaffolding systems across Riverstone and Rouse Hill sites, including stretcher scaffolds, working platforms, and access bays. - Provide scaffold designs certified by qualified engineers, compliant with Australian Standards and John Holland procedures for temporary works and working at heights. - Install edge protection, kickboards, shade cloth, mesh, and all required fixings, ensuring monthly inspections and tagging by qualified personnel. - Coordinate scaffold works with other trades and maintain safe access around pedestrian and vehicle zones throughout the project duration. - Submit all required documentation including ITPs, handover certificates, sustainability reports, and ensure compliance with WHS, environmental, and quality plans. - Mobilise and demobilise as per program, with scaffold works scheduled from December 2025 to December 2028.

- Provide traffic control services in compliance with RMS Traffic Control at Worksites Manual V5.0 and SafeWork NSW requirements. - Supply trained and accredited traffic controllers, including dedicated personnel at the gatehouse to manage vehicle access and site entry. - Develop and implement all required documentation: TMP, TGS, VMP, PMP, and ROL, with submission for approval at least 5 days prior to commencement. - Gatehouse duties include verifying inductions, logging deliveries, managing - sign-on sheets or QR codes, and submitting records to John Holland daily. - Maintain daily job records signed by the site supervisor, detailing personnel, timings, locations, and traffic control measures used.

- Demolition and disposal of multiple existing structures at Rouse Hill WRRF, including tanks, buildings, and facilities, with internal strip-out of all associated infrastructure. - Works include preparation of demolition plans, HAZMAT inspections, SafeWork NSW notifications, and implementation of exclusion zones and environmental controls. - Subcontractor must provide all labour, equipment, temporary works, scaffolding, and access platforms required to safely complete the demolition. - Waste must be segregated and managed to achieve at least 70% diversion from landfill, with full traceability and reporting, including asbestos handling per EPA and SafeWork guidelines. - All works must comply with relevant standards, permits, and sustainability targets, including biodiesel usage and monthly environmental reporting. - Coordination with other contractors and adherence to John Holland's safety, environmental, and quality management plans is required throughout the works.

- Supply, delivery, and installation of 2100mm high galvanized chain-link mesh fencing compliant with AS 1725. - Mobilisation and demobilisation of all required plant, equipment, materials, and labour, with allowance for multiple site visits and re-sequencing. Riverstone WRRF: - Install approx. 650m of security fencing around the site compound, including post fixing to concrete barriers, hardstands, and soil. - Install 5 vehicle gates (>6m wide), 1 emergency access gate, and 1 security turnstile for internal compound access. - All gates to include drop pins and locking mechanisms. Rouse Hill WRRF: - Install approx. 330m of new fencing, including 15m over an open drain. - Remove and replace 405m of existing chain-wire fencing with 3 rows of barbed wire along the access road: o Option 1: reuse existing posts, mesh, and wire. o Option 2: reuse posts, install new mesh and wire. o Option 3: supply and install all new components.

- Provide wet hire of various crane types including Frannas, city cranes, mobile, all-terrain, and crawler cranes, along with bog mats and mobilisation/demobilisation. - Deliver full-time supervision, certified operators, and all necessary plant, equipment, rigging gear, and PPE to safely execute craneage works. - Prepare and submit crane lift plans, construction methodologies, and Task Risk Assessments (TRA) for all high-risk lifts. - Ensure all lifting equipment is tagged, tested, certified, and maintained with a current lifting gear register and quarterly inspections. - Coordinate craneage activities with other trades, comply with all relevant standards and regulations, and maintain site safety and cleanliness. - All works must align with John Holland's Global Mandatory Requirements (GMRs), WHS, environmental, and quality management plans.