Power quality analysis, reporting and implementation of solutions at cape town international airport substations (rfq74429)

Closing date: 18 November 2026 at 14:00 (from the tender record).

No briefing or site visit dates are stated in the document.

Employer: Airports Company South Africa SOC Limited

Registered office: Private Bag X9002, ACSA Southern Office Block, Cape Town International Airport, 7525

Telephone: 021 937 1200

Insurance claims contact:

• Name: Nokulunga Masiza
• Email: [email protected]

No other named contacts are provided in the document.

Returnable documents:

• Completed and signed Form of Offer and Acceptance (C1.1), including the offered total of the Prices (excl. and incl. VAT) and the tenderer's CIDB registration number if applicable.
• Completed Contract Data provided by the Contractor (C1.2B), including the offered total of the Prices.
• Completed Price List (C2.2) with all rates and totals.
• Comprehensive CVs and supporting documentation for the Project Manager, Design/Electrical Engineer and Electrician, including certified copies of qualifications (not older than 6 months from tender submission).
• Proof of aviation liability insurance cover (indemnity limit not less than R300 000) to be submitted before work starts.
• Proof of CSD registration and a valid tax clearance status PIN.
• B-BBEE certificate or sworn affidavit as applicable.

Submission method: Not explicitly stated in the document. The closing date and time are 18 November 2026 at 14:00 (from the tender record).

Disqualification risks:

• Failure to complete and sign any returnable document.
• Failure to provide the required insurance proof.
• Failure to provide the required key personnel CVs and certified qualifications.

Evaluation is based on the key personnel requirements, which are a precondition to bid. The following scoring applies:

Project Manager:

• Experience: more than 5 similar projects (5 points), 3–5 projects (3), less than 3 (0).
• Qualification: higher than Technical/National Diploma in Electrical/Electronics Engineering or Project Management (10), Technical/National Diploma (5), less (0).

Design or Electrical Engineer:

• Experience: more than 5 power quality projects (15), 3–5 projects (10), less than 3 (0).
• Qualification: higher than NQF Level 7 Electrical/Electronics Engineering (15), BTech/Advanced Diploma/BEng Tech (NQF Level 7) (10), less (0).

Electrician:

• Experience: more than 5 years (5), 3–5 years (2), less than 3 (0).
• Qualification: N6 Electrical/Electronics Engineering or higher (5), N3–N5 (3), less than N3 (0).
• Trade Test Certificate: certificate (10), no certificate (0).

No minimum qualifying score is stated. The preference point system (80/20 or 90/10) is not specified in the document.

Scope of work:

• Prepare and submit a safety file prior to work commencement.
• Install power quality meters, power analysers, data loggers and any other relevant equipment to conduct a comprehensive power quality study at the Airfield substations: Power and Lighting, Sub01 and Sub19.
• Quality studies to include, but not limited to: voltage parameters, waveform distortion (harmonics, sags/dips, swells, fluctuations/flicker, voltage unbalance), frequency parameters (frequency variation), current and demand parameters (inrush current, current unbalance, peak demand), energy and efficiency parameters (power factor, total harmonic distortion, transient surges).
• Submit proposed solutions for each substation based on the study findings, highlighting benefits, limitations and cost of each solution.
• Design and implement the proposed solutions for each substation as approved by ACSA.
• Issue and submit Certificates of Compliance (CoC) for all installations.
• Post-installation, submit all related drawings, operating and maintenance manuals of all related equipment.
• Submit test and commissioning reports where applicable.
• Provide equipment operation training to ACSA staff.
• Provide comprehensive training to CTIA personnel and/or designated contractors on operation, maintenance and troubleshooting of all installed equipment.
• Newly installed equipment must be integrated with existing installations.
• All installations must come with at least one (1) year warranty; warranty requirements must be provided.

Standards:

• IEEE519-2022 – harmonic controls in electric power systems.
• NRS048 – electricity supply and quality of supply.
• SANS10142 – design, installation, testing and maintenance of electrical installations.
• OHS Act 85 and all relevant ACSA Health, Safety, Environmental and Quality requirements.

Site conditions:

• Works are performed inside live substations; suitable PPE must always be worn.
• The airfield is a live environment; remain clear of manoeuvring areas (runways, taxiways, apron), use service roads and adhere to airfield driving rules while airside.
• Underground services (electrical cables, network/IT cables, water pipes) run throughout the airfield; thorough scanning is required before any digging to prevent damage.
• Access is limited to areas prescribed by the Employer; permit access is required and unauthorised entry into substations is not allowed.

Constraints:

• Works proceed during normal operating times; comprehensive planning is required to minimise disruption.
• Any work requiring switching off the supply must be done strictly after hours (23:30 or after the last flight to 04:00), with approval of the Electrical Department and notification at least 7 working days prior.
• Night work (23:00–05:00) is considered if installation requires power interruption.

Meetings:

• Overall contract progress and feedback meetings are held bi-weekly on Mondays at 10H00 at the Power and Lighting offices.
• Contractor must attend project, operations, contract management and other meetings monthly or as prescribed, at no additional payment.

Reporting:

• Monthly record sheets must be submitted to the ACSA Service Manager by the 7th of each month; failure may result in withholding of monies and low service damages, and recurrence may lead to cancellation.
• Root cause analysis and a detailed technical incident report must be submitted within 48 hours of any incident.
• Records must be kept for at least 3 years; a complete set of documentation must be handed over to ACSA at the end of the contract.

The Contractor must provide the Employer with a project programme with timelines, setting out working methods and details of the resources, including equipment, the Contractor intends to use. Works proceed during normal operating times and comprehensive planning is required to minimise disruption to employees' daily duties. Any work requiring switching off the supply must be done strictly after hours (23:30 or after the last flight to 04:00), with the approval of the Electrical Department and notification at least 7 working days before switching off.

Key Personnel: Project Manager, Design/Electrical Engineer and Electrician. Comprehensive CVs and supporting documentation must be provided. Project Manager: more than 5 projects (5 points), 3–5 projects (3), less than 3 (0); relevant SAQA-accredited qualification — higher than Technical/National Diploma in Electrical/Electronics Engineering or Project Management (10), Technical/National Diploma (5), less (0). Design or Electrical Engineer: more than 5 projects (15), 3–5 projects (10), less than 3 (0); BTech/Advanced Diploma/BEng Tech NQF Level 7 or higher in Electrical/Electronics Engineering (15), NQF Level 7 (10), less (0). Electrician: more than 5 years (5), 3–5 years (2), less than 3 (0); N6 or higher (5), N3–N5 (3), less than N3 (0); Trade Test certificate (10) or none (0).

All works must comply with IEEE519-2022 (harmonic control in electric power systems), NRS048 (electricity supply and quality of supply), SANS10142 (design, installation, testing and maintenance of electrical installations), the OHS Act 85 and all relevant ACSA Health, Safety, Environmental and Quality requirements. All workmanship must accord with SANS, the OHS Act and relevant environmental legislation. The desirable power factor of each substation is as close as possible to unity, with negligible harmonic distortion and overall improved power quality. The operating manual must contain all technical documents, test certificates, drawings, OEM documentation for maintenance, bill of quantities, installation records and information about the personnel involved.

Price List Part 1: Power Quality Analysis and Design and Implementation of the Best Suited Solutions — (1) Conduct Power Quality studies and analysis for each substation and propose suitable solutions (Sum, qty 3); (2) Design of the approved solutions (Sum, qty 1); (3) Safety file submission (Sum, qty 1). Prices must include all materials, labour, travel and overheads. The winning bidder must submit a minimum of 3 quotations for implementation of the approved solution(s) for each substation. Labour rates for out-of-scope work are charged per hour for normal hours, after hours and Sundays/public holidays for Site Manager/Site Supervisor, Electrical Engineer, OEM Specialist, Electrical Technician, Electrician and Electrical Assistant. Contract administration costs: General Security Awareness Training (GSAT) R960 x 4 personnel = R2 880; Airside Induction Training R2 103.60 x 4 = R8 414.40; Airside Vehicle Operating Permit R960 x 1; Vehicle Permit R13 250 x 1; Personal Permits R650 x 4 annually = R1 950; total R27 454.40 excl VAT. ACSA reimburses permits for a maximum of 4 people; permits are paid upfront by the service provider and claimed back without mark-up. The contract price is adjusted on each anniversary date for labour cost increases based on CPI. Spares and sub-contracted work are charged at net cost plus mark-up, with mark-up bands by monthly value (R0–R5000, R5001–R30000, R30001–R100000, R100001–R1000000, over R1000000). Summary Pricing Schedule: Power Quality Studies and Design; Contract administration costs; total excl VAT; VAT @15%; total incl VAT.

Pricing format:

• Price List Part 1: (1) Conduct Power Quality studies and analysis for each substation and propose suitable solutions (Sum, qty 3); (2) Design of the approved solutions (Sum, qty 1); (3) Safety file submission (Sum, qty 1).
• Prices must include all materials, labour, travel and overheads.
• The winning bidder must submit a minimum of 3 quotations for implementation of the approved solution(s) for each substation (e.g., 9 quotations if each substation requires a different solution).
• Labour rates for out-of-scope work are charged per hour for normal hours, after hours and Sundays/public holidays for Site Manager/Site Supervisor, Electrical Engineer, OEM Specialist, Electrical Technician, Electrician and Electrical Assistant.

Contract administration costs (Part 2):

• General Security Awareness Training (GSAT): R960 x 4 personnel = R2 880.
• Airside Induction Training: R2 103.60 x 4 = R8 414.40.
• Airside Vehicle Operating Permit: R960 x 1 = R960.
• Vehicle Permit: R13 250 x 1 = R13 250.
• Personal Permits: R650 x 4 annually = R1 950.
• Total Contract Administration Costs (excl. VAT): R27 454.40.
• ACSA reimburses permits for a maximum of 4 people; any extra personnel at the service provider's expense.
• Permits are paid upfront by the service provider and claimed back without mark-up.

Payment terms:

• Payment is made within 30 business days after receipt of a duly prepared original invoice.
• Original invoices must be delivered within 7 days after work completion.
• Payment is by electronic transfer into the service provider's bank account.
• The Employer's VAT registration number is 4930138393.

Contract price adjustment:

• The total contract price is adjusted on each anniversary date to compensate for increases in labour cost, based on CPI.

Mark-up on third-party procured items/services:

• Spares and sub-contracted work are charged at net cost (excl. VAT) plus mark-up, with mark-up bands by monthly value: R0–R5000, R5001–R30000, R30001–R100000, R100001–R1000000, over R1000000.
• ACSA retains the right to procure parts of equal quality at a lower cost and supply them to the Contractor.

Retention: 15%.

Delay damages: R3 000 per day.

Interest on late payment: 0%.

Contractor's liability for loss of or damage to Employer's property: R0.

Overheads and profit percentage added to other Defined Cost: 10%.

B-bbee:

• The Contractor must annually present a compliant B-BBEE certificate and Tax Clearance Certificate. Failure is a material breach and may result in cancellation of the contract.
• B-BBEE minimum level stated as Level 7 (from the document).

Tax:

• Valid tax clearance status PIN required.

Insurance:

• Aviation liability insurance cover with an indemnity limit of not less than R300 000, with proof submitted to ACSA before work starts and annually for the duration of the project.

OHS:

• The Contractor is an employer in its own right with duties under the Occupational Health and Safety Act, and must ensure all work and equipment comply with the Act, in particular the Construction Regulations.

Other:

• CIDB registration number must be entered in the Form of Offer and Acceptance if applicable.
• The Contractor must not cede, delegate or assign rights or obligations without the Employer's written consent.
• Joint ventures/consortia are jointly and severally liable; the key person authorised to bind the Contractor must be notified within 1 week of the contract date.
• Confidentiality of all contract information applies; taking images of the works requires prior written consent of the Project Manager.
• Intellectual property remains vested in the originator, with an irrevocable, transferable, non-exclusive, royalty-free licence granted to the Employer for constructing, repairing, demolishing, operating and maintaining the works.

The Contractor shall annually present a compliant B-BBEE certificate and Tax Clearance Certificate. Failure to adhere to these requirements is a material breach of the contract, the sanction for which may be cancellation of the contract. B-BBEE minimum level stated as Level 7.

Under Section 37(2) of the Occupational Health and Safety Act, the Contractor acknowledges that it is an employer in its own right with the duties prescribed by the Act, and agrees to ensure that all work performed and all equipment, plant and materials used comply with the Act, in particular the Construction Regulations. A safety file must be prepared and submitted prior to work commencement. Suitable PPE must always be worn inside live substations. The airfield is a live environment; the service provider must remain clear of manoeuvring areas and adhere to airfield driving rules.

Contract Data: The Employer is Airports Company South Africa SOC Limited (Reg No. 1993/004149/30), registered office Private Bag X9002, ACSA Southern Office Block, Cape Town International Airport, 7525, Tel 021 937 1200. Starting date: upon signing of the contract by ACSA. Completion date: 6 months from the Starting Date. Period for reply: 7 working days. Defects date: 12 weeks after Completion. Defect correction period: 2 weeks. Assessment day: weekly intervals. Delay damages: R3000 per day. Retention: 15%. Interest rate on late payment: 0%.

Insurance: The successful bidder must source aviation liability insurance cover with an indemnity limit of not less than R300 000, and must submit proof of insurance to ACSA before work starts and annually for the duration of the project.

Dispute resolution: An Adjudicator is appointed from a Panel of Adjudicators and an Arbitrator from a Panel of Arbitrators; where a nomination is rejected, the appointment deadlock is referred to the Chairman of the Johannesburg Bar Council. The tribunal is arbitration under the latest edition of the Rules for the Conduct of Arbitrations published by the Association of Arbitrators (Southern Africa). The place of arbitration is Cape Town, South Africa.

Additional conditions of contract Z1–Z17: interpretation of the law (no waiver or estoppel); extension of the defects date where the Employer cannot use the works due to a Defect; termination on business rescue proceedings; cession, delegation and assignment require the Employer's written consent; joint and several liability for joint ventures/consortia; ethics and anti-bribery undertakings, with termination as a sanction for breach; confidentiality of contract information and of images of the works; Employer step-in rights on Contractor default; Contractor to keep equipment free of liens and encumbrances; intellectual property rights and Contractor indemnity for IP infringement claims; notification of compensation events (four weeks); communication requiring the Employer's written consent for design/scope changes of 5% or more or completion date extensions of more than 30 days; delegation under the Occupational Health and Safety Act.

Meetings: the Contractor is expected to attend project, operations, contract management and other meetings monthly or on other prescribed terms, at no additional payment, with minutes kept. Overall contract progress and feedback meetings are held bi-weekly on Mondays at 10H00 at the Power and Lighting offices. Invoicing and payment: the Contractor assesses the amount due and applies for payment with a tax invoice addressed to the Employer, including the contract number and title, VAT registration numbers, the total Price for Work Done to Date and amounts due; original invoices are delivered within 7 days after work completion and payment is made within 30 business days of a duly prepared original invoice by electronic transfer. Records of Defined Cost: accurate daily records of staff attendance, project work, safety inspections and exception reports, available for scrutiny by the Service Manager; monthly reports attached to invoices; records kept for at least 3 years; monthly record sheets submitted by the 7th of each month; root cause analysis and a detailed technical incident report within 48 hours of any incident.

No additional evaluation criteria beyond the key personnel scoring are stated in the document.