Objectives

The primary objective of this tender is to perform comprehensive after-service repairs on existing electrical transformers and switchgear at Mahatma Gandhi Memorial Hospital. The goal is to restore safe, reliable, and compliant electrical distribution capabilities across the facility while adhering to provincial health department standards.

Scope of Work

• Repair LV bushing leaks on the transformer and replace damaged breathers.
• Top up transformer oil tanks (estimated 50 litres).
• Repair faulty incomer breakers and temporarily loan equivalent breakers for continuity.
• Replace Micom protection units configured for overcurrent and earth fault protection.
• Replace batteries and 30VDC battery trays.
• Repair/replace motor mechanisms for switchgear components and reconfigure protection relays, including Buchholz systems.
• Compile and submit a comprehensive safety file, supply all required materials, and maintain site cleanliness throughout the project.
• Secure formal site handover and completion certificates, supported by stamped job cards.
• Contract duration is approximately ten days (negotiable), classified as a one-off engagement with a mandatory warranty period.

Technical Requirements

• Attendance at a compulsory site briefing is mandatory; failure to attend results in disqualification.
• All work must comply with strict Occupational Health and Safety regulations. A complete Safety, Health, and Environmental (SHE) dossier must be submitted and approved before any work commences.
• All materials and equipment must be SABS or EB approved.
• Installations must comply with SANS 10142-2 standards, accompanied by a valid Certificate of Compliance for MV switchgear and transformers.
• Payment is strictly conditional upon submission of complete documentation, including signed job cards, site handover forms, and completion certificates.
• Bidders must adhere to the 80/20 preferential procurement scoring system, where 80 points are allocated to price and 20 points to specific socio-economic goals.

Skills and Qualifications Requirements

• Contractor must hold a CIDB 1EB electrical engineering grading.
• Work must be executed by qualified Artisan Electricians with verifiable competency certificates and appointment letters.
• Submission of at least three reference letters with completion certificates demonstrating prior experience in transformer and switchgear repairs at public or private institutions.
• Maintenance of a valid COID Letter of Good Standing and registration on the Central Suppliers Database (CSD).
• Demonstrated operational capacity through previous order and delivery records in healthcare or industrial settings.
• Full PPE compliance, staff training records, medical fitness certificates, and documented incident management procedures.

Explanation of Unusual or Complicated Terms

• Micom: A microprocessor-based digital relay system used for advanced monitoring, protection, and control in high-voltage switchgear.
• Buchholz Relay: A critical protective device installed in oil-immersed transformers that detects internal faults by sensing gas accumulation or abnormal oil flow.
• CIDB 1EB: A Construction Industry Development Board classification indicating a contractor’s baseline capability to execute low-value electrical engineering projects.
• SANS 10142-2: The South African National Standard governing high-voltage electrical installations, wiring practices, and safety compliance.
• SHE/OHS File: A legally mandated compilation of safety policies, risk assessments, competency proofs, equipment inspection registers, material safety data sheets, and incident reporting procedures required for regulatory site access.
• 80/20 Preference System: A government procurement evaluation model allocating 80 points to competitive pricing and 20 points to socio-economic objectives, specifically prioritizing enterprises operating within the designated service district.