Objectives

The primary objective of this tender is to procure the service of three transformers for 35 Squadron SAPS. The service includes inspection, testing, analysis, and supply of transformer oil, as well as cleaning and related maintenance activities to ensure the transformers operate efficiently and reliably.

Scope

The scope of work encompasses:

• Locating and purging sample valves on transformers to collect oil samples.
• Conducting various analyses including gas, breakdown voltage, interface tension, furan, PCB, particle count, and density tests.
• Servicing and replacing cork gaskets on transformers.
• Supplying and delivering high-quality napthenic-based insulation oil with specified dielectric properties and longevity.
• Cleaning transformer rooms and transformers.
• Testing transformer oil for corrosive sulfur effects, chemical stability, and other standards.

Technical Requirements

The technical requirements include:

• Sampling transformer oil using clean glass containers, labeling, and sending samples to a qualified laboratory for analysis.
• Performing gas analysis, breakdown voltage, interface tension, furan, PCB, particle count, and density tests.
• Providing transformer oil with high dielectric strength, chemical stability, and a lifespan exceeding 40 years.
• Ensuring transformer oil is free from inhibitors or passivators and complies with relevant standards.
• Cleaning transformer rooms and transformers prior to servicing.

Skills Requirements

The tenderer must demonstrate:

• Experience in transformer maintenance, oil sampling, and testing procedures.
• Qualified electrical/technician personnel with valid wireman licenses and trade test certificates.
• Ability to supply high-quality transformer oil meeting specified standards.
• Capability to perform cleaning, servicing, and testing activities in accordance with SANS standards.
• Provision of qualified laboratory services for oil analysis.