Supply and Delivery of Clamps

12053099

See details below or the tender documentation

Tender Closed on: 2026-07-06 11:00

COJ – City Power

Manufacture of fabricated metal products, except machinery and equipment, Supply and Delivery, Tools and Hardware

Gauteng, Johannesburg

COJ - City Power

COJ - City Power Tenders

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RFQ NUMBER; 12053099 RFQ CLOSING DATE; 06 July 2026 RFQ CLOSING TIME; 11h00 SITE MEETING VENUE; N/A SITE MEETING TIME; N/A DATE OF SITE VISIT; N/A CONTACT PERSON; Mmaphefo Kekana TELEPHONE NUMBER; 011 490 7168 E-mail address: [email protected]

Tender Summary

Objectives

The primary objective of this tender is to supply and deliver clamps suitable for overhead power lines, specifically Crosby clamps of various sizes, meeting specified technical and quality standards to ensure reliable performance in City Power’s network.

Scope

The scope encompasses the procurement of Crosby clamps in different sizes (8mm2, 10mm2, 12mm2, and 25mm2), including their design, manufacturing, testing, and delivery to designated City Power stores. The specification covers technical requirements, quality management, environmental and health & safety standards, and documentation necessary for compliance and evaluation.

Technical Requirements

  • Clamps must be manufactured from Grade A steel and hot-dip galvanized to a minimum coating thickness of 55µm.
  • Each clamp must be marked with the manufacturer's name or trade mark, coating grade, and nominal diameter.
  • Clamps should meet the following standards:
    • SANS 121: Hot dip galvanized coatings
    • SANS 1700-14-11: Hexagon nuts for structural bolting
    • SANS 1700-14-9: Structural bolting nuts
    • SANS 1700-2-19 & 20: ISO screw thread tolerances
    • SANS 1700-5-3: Mechanical properties of fasteners
    • SANS 32: Protective coatings for steel
    • SANS 61284: Overhead lines - fittings requirements and tests
    • SANS 935: Hot-dip galvanized zinc coatings on steel wire
  • Clamps must pass tests including electrical aging, accelerated weathering, corrosion, and coating thickness tests.
  • Parts must be resistant to atmospheric corrosion and suitable for use with copper and aluminium conductors.
  • Proper marking and documentation are required, including manufacturer details, coating grade, and nominal diameter.
  • Compliance with environmental, health & safety management standards (ISO 14001, OHSAS 18001) is mandatory.

Skills and Skills Requirements

  • Proven manufacturing capability to produce Crosby clamps meeting the specified standards and technical specifications.
  • Experience in quality management systems, specifically ISO 9001 certification, to ensure product quality and consistency.
  • Ability to conduct and document necessary tests (electrical aging, weathering, corrosion, coating thickness) in accordance with relevant standards.
  • Knowledge of environmental and health & safety standards to develop and implement management plans aligned with ISO 14001 and OHSAS 18001.
  • Capability to provide comprehensive technical documentation, catalogues, and certificates demonstrating compliance.
  • Effective marking, packaging, and delivery processes to ensure product integrity during transport and storage.
  • Understanding of local content requirements and B-BBEE compliance as part of the evaluation process.
This summary is AI generated. Download the tender documents for all the information.

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