The successful Bidder will be responsible for the supply and delivery of kerbstones for the EPC contract at Zulti South Project. The scope of work comprises the supply and delivery of precast concrete kerbstones and associated kerb units to designated project locations in accordance with the Project specifications, approved drawings, and delivery schedules. Interested suppliers shall demonstrate the capability to provide various kerbstone profiles, sizes, and quantities required for road and civil infrastructure works, while maintaining adequate production capacity and logistics resources to ensure timely and reliable deliveries.

The supplier shall implement appropriate quality assurance and quality control measures to ensure that all kerbstones supplied comply with the specified dimensional tolerances, strength requirements, durability standards, and applicable industry specifications. Suppliers shall provide relevant product certifications, test reports, material specifications, and quality records demonstrating compliance with project requirements. All kerbstones shall be delivered free from defects, damage, or deterioration and shall be suitably handled, packaged, transported, and offloaded to preserve product quality throughout the supply chain.

 Interested suppliers shall demonstrate compliance with SANS 927:2022 for precast concrete kerbs, edgings and channels. Preference will be given to manufacturers holding valid CMACS Product Certification for SANS 927 products and an accredited ISO 9001:2015 Quality Management System certification. Suppliers shall submit copies of relevant certifications, product test reports, quality control procedures, and certificates of conformity for products offered.

The successful Bidder will be responsible for the supply and delivery of geotextile material for the EPC contract at Zulti South Project.The scope of work comprises the supply, quality assurance, transportation, and delivery of geotextile materials to designated project locations. The geotextiles shall be suitable for applications including separation, filtration, reinforcement, stabilization, protection, erosion control, and drainage within roadworks, embankments, foundations, retaining structures, pipelines, and other civil infrastructure works.

Suppliers shall demonstrate the capability to supply a range of woven and non-woven geotextile products in various grades, strengths, and specifications as required by the Employer. The supplier shall ensure that all geotextiles are manufactured using approved materials and comply with relevant project specifications, recognized industry standards, and applicable testing requirements.

The supplier shall implement appropriate quality assurance and quality control measures to ensure that all products supplied meet the specified physical, mechanical, hydraulic, and durability performance requirements. Suppliers shall provide product datasheets, certificates of conformity, factory quality control records, and independent laboratory test reports demonstrating compliance with the specified standards.

The supplier shall be responsible for packaging, handling, transportation, and delivery of the geotextile materials in a manner that prevents damage, contamination, ultraviolet degradation, moisture exposure, or deterioration during storage and transit. Deliveries shall be coordinated with project requirements and completed within agreed delivery schedules.

The Supplier shall be responsible for the supply and delivery of approximately 3490 m³ of G7 material, 7236 m³ of G5 gravel material and 1662 m³ of G6 gravel material from legally licensed quarries or borrow pits for use on the RBM Zulti South Project. In addition, the Supplier may be required to supply other related, or class of materials as may be necessary for the Project from time to time. The scope includes sourcing, processing, quality control, loading, transportation, and delivery of materials that comply with the applicable TRH14, COLTO, COTO, and SANS requirements. Suppliers shall demonstrate adequate material reserves, production capacity, and logistical capability to ensure uninterrupted supply. All materials shall be supported by current test certificates from a SANAS-accredited laboratory, and suppliers shall hold all necessary mining, environmental, and statutory permits and approvals required under South African legislation

The successful Bidder will be responsible for the comprehensive provision of all labour, materials, equipment, and services necessary for a fully functional air compressor system. This includes full mechanical, piping, and structural detail design and engineering to ensure a complete installation between the defined battery limits. The Vendor must take full legal and commercial responsibility for all engineering and design aspects of the equipment supplied, including any sub-Vendor components. The scope also encompasses procurement and supply of all equipment, fabrication, protective coating, shop assembly, rigorous testing, and quality assurance under an ISO 9001-compliant framework. Additionally, the Vendor is required to manage packaging, crating, and transport of all equipment to site, provide supervision of installation and commissioning, submit all required documentation and drawings as per the Vendor Data Document Requirements (VDDR), supply first-fill lubricants, and provide priced lists of recommended spare parts for commissioning and the first year of operation.

The Bidder shall supply a complete air compressor system comprising air compressors, air receivers, air dryers, and air filters as listed in detail within the Scope of Work. Specifically, this includes:

·         two concentrator air compressors (tagged CP-1900 and CP-1901),

·          four air receivers (PV-1902, PV-1903, PV-1907, PV-1908),

·         Two HMC receiving air receivers (PV-2025 and PV-2026),

·          four air dryers (DR-1904, DR-1905, DR-1909, DR-1910),

·          ten air filters (FL-1911 through FL-1920, plus FL-2027 and FL-2028).

The screw air compressor system shall be designed for a service life of 20 years, capable of continuous duty with 90% utilization and 100% availability, suitable for indoor installation.The screw air compressor system shall handle 100% ambient air, with a design flow rate of 20.00 Nm³/min, maximum flow rate of 18.25 Nm³/min, and minimum adjustable flow rate of 5 Nm³/min. The discharge pressure range at the flange shall be 500–750 kPa(g), compatible with the site supply voltage of 525 V.The air compressors must be suitable for indoor use, air-cooled, and feature integrated condensate removal. The air dryers shall be designed to achieve a pressure dew point of -30°C and shall incorporate a purge feature.The Vendor must also supply electric motors and variable speed drives as specified, along with all necessary instrumentation and electrical equipment. Lifting lugs must be provided for all major components, and a painting and corrosion protection specification must be submitted for CHEC's review and approval. Furthermore, a Certificate of Compliance (CoC) in accordance with SANS 10142-1 is required for all electrical installations.

The successful Bidder will be responsible for the supply, quality assurance, testing, packaging, transportation, and delivery of Velocity Breaker Boxes and all associated components required for installation and operation within the Zulti South Project. The equipment shall be suitable for use within mineral processing, slurry handling, process water, or associated industrial systems as specified by the Employer.

The supplier shall provide complete Velocity Breaker Box assemblies, including all internal and external components, connection interfaces, mounting arrangements, fasteners, and ancillary items necessary for a complete and functional installation. Equipment shall be manufactured in accordance with approved drawings, technical specifications, applicable industry standards, and project requirements.

The supplier shall implement appropriate quality assurance and quality control procedures throughout the manufacturing process and provide all required documentation, including material certificates, inspection and test reports, certificates of conformity, quality records, manufacturing data books, and operating and maintenance documentation where applicable.

The supplier shall be responsible for suitable packaging, preservation, handling, and transportation of all equipment to ensure delivery in a condition suitable for installation and commissioning. Deliveries shall be coordinated to meet project schedules and shall include all necessary logistics arrangements and export documentation where applicable.

This EOI is the first stage of a two-stage procurement process. Interested parties will be shortlisted based on their submitted EOI and may later receive a Request for Proposal (RFP)

The works comprise the installation of approximately 24.5 km of concentrate pipeline along Work Section 2 (H17615–H42138) from the R34 Expressway to the Refinery, including all associated communication, civil, mechanical, testing, commissioning, and reinstatement works.

The scope includes:

·         Mobilisation, site establishment, surveying, and setting out.

·         Clearing of vegetation and de-stumping of plantation tree areas within the pipeline corridor.

·         Excavation, trenching, bedding, backfilling, and compaction.

·         Handling, transportation, storage, installation, welding, and testing of Employer-supplied concentrate pipelines.

·         Installation of valves, fittings, specials, thrust blocks, anchor blocks, and associated pipeline appurtenances.

·         Installation of communication ducts, conduits, marker posts, warning tape, and associated communication infrastructure.

·         Diversion of the existing DN650 steel water pipeline through the construction and commissioning of approximately 1,850 m of DN600 steel pipeline.

·         Excavation, relocation, re-laying, testing, and commissioning of an existing DN110 water pipeline.

·         Construction of road crossings, utility crossings, drainage crossings, and associated protection works.

·         Hydrostatic testing, flushing, commissioning, and preparation of as-built documentation.

·         Reinstatement of affected areas, environmental rehabilitation, and site demobilisation.

The Contractor shall perform all service corridor construction activities except for the supply of pipes and cables to be supplied by CHEC, including but not limited to:

• Survey and alignment of the pipeline route
• Vegetation clearing and right-of-way preparation

·         Trench excavation, backfilling and compaction

• Pipe handling, Pipe laying, jointing and installation of Valves
• Construction of all relevant chambers as per design drawings
• Trench backfilling and compaction
• Installation of valves, fittings, and appurtenances (where applicable, unless supplied by CHEC
• Leak testing, pressure testing, and flushing
• Reinstatement of land and erosion control measures
• Supply of all construction materials except pipes and cables (e.g., concrete aggregates, backfill material, coating materials, fuel, etc.)
• Installation of the blown Fibre Optic Communication Cables . The cables also facilitate communication to the pump stations along the services corridor.
• Provision of all labour, plant, equipment, and temporary facilities
• Health, Safety, and Environment (HSE) management throughout construction

Quality control and quality assurance (QC/QA) reporting

The scope includes the manufacture, supply, and delivery of ready-mix concrete to designated locations within the Zulti South Project site. The works shall include, but not be limited to:

·         Supply of ready-mix concrete of varying strength classes ranging from:

o    10 MP

o    25 MPa

o    30 MPa

o    35 MPa

o    40 Mpa

·         Transportation and timely delivery to site using appropriate transit mixers

·         Provision of delivery tickets and batch records for each load

·         Ensuring concrete workability and compliance with specified slump requirements

·         Coordination with site teams for scheduling and dispatch

·         Quality control and testing in accordance with applicable standards

·         Standby capacity to meet peak demand periods