Supply, installation and commissioning of 11 kv siemens reyrolle protection relay – porterville main switching station

Closing date and time: 14 October 2026 at 12:00. Quotation validity: 120 days from closing date. Site inspection: recommended before submission (no fixed date; bidder arranges). No compulsory briefing session stated.

Site inspection: recommended before quotation. Contractor shall verify existing switchgear, relay mounting arrangement, wiring, CT circuits and control circuitry before submitting final price. No compulsory briefing session or fixed site visit date stated.

Technical enquiries:

• Name: Jan Erasmus
• Role: Technical
• Email: [email protected]
• Telephone: 022 913 6000

SCM / Administrative enquiries:

• Name: Coellin Julius
• Role: Supply Chain Management
• Email: [email protected]
• Telephone: 022 913 6000 / 022 913 6121

Municipal Manager:

• Name: Adv. Hanlie Linde

Submission address (bid box):

Bergrivier Municipality

13 Kerk Street

Piketberg

7320

Postal address:

Bergrivier Municipality

PO Box 60

Piketberg

7320

Submission method: sealed envelope deposited in the bid box at Bergrivier Municipality, 13 Kerk Street, Piketberg, 7320, or posted to PO Box 60, Piketberg, 7320. Closing: 14 October 2026 at 12:00. Bid box accessible 24/7. Quotations must be on original documents, completed in black ink. No faxed, emailed or late submissions accepted. Proof of dispatch is not proof of receipt. Returnable forms (all must be completed, signed and submitted):

• MBD 1 (Invitation to Bid): covers bidder details and offer.
• MBD 3.2 (Pricing Schedule – Firm Prices): fixed lump-sum pricing inclusive of VAT.
• MBD 4 (Declaration of Interest): discloses state employment and relationships.
• MBD 6.1 (Preference Points Claim): claims B-BBEE and locality points.
• MBD 7 (Contract Form – Purchase of Goods/Works): signed by successful bidder.
• MBD 8 (Declaration of Past SCM Practices): declares past supply chain conduct.
• MBD 9 (Certificate of Independent Bid Determination): certifies no collusion.
• MBD 10 (Certificate for Payment of Municipal Services): confirms municipal accounts are current.
• Originally certified B-BBEE Certificate or Sworn Affidavit.
• Tax Compliance Status (TCS) Pin or CSD Registration Number (MAAA...).
• Recent municipal account of company (≤90 days).
• Recent municipal accounts of all directors/shareholders.
• If leasing/renting: latest valid lease agreement.
• If no property registered: affidavit confirming this.

Returnable documents (all must be completed, signed and submitted):

• MBD 1: Invitation to Bid.
• MBD 3.2: Pricing Schedule – Firm Prices.
• MBD 4: Declaration of Interest.
• MBD 6.1: Preference Points Claim Form.
• MBD 7: Contract Form – Purchase of Goods/Works (signed by successful bidder).
• MBD 8: Declaration of Bidder's Past SCM Practices.
• MBD 9: Certificate of Independent Bid Determination.
• MBD 10: Certificate for Payment of Municipal Services.
• Originally certified B-BBEE Certificate or Sworn Affidavit.
• Tax Compliance Status (TCS) Pin or CSD Registration Number (MAAA...).
• Recent municipal account of company (≤90 days).
• Recent municipal accounts of all directors/shareholders (≤90 days).
• If leasing/renting: latest valid lease agreement.
• If no property registered: affidavit confirming this.
• Handover documentation (post-award): protection relay test certificate, primary injection test results, final relay settings report, protection operating-time results, confirmation of trip operation, updated wiring/termination information, relay model and serial number, installation and commissioning report, record of defects identified and rectified.

Evaluation uses the 80/20 preference point system (estimated value below R50 million). Points allocation: Price 80, B-BBEE Status Level of Contribution 10, Locality 10. Total 100 points. Locality points (below R50m): Bergrivier Jurisdiction 10, West Coast District 5, Western Cape Province 3, South Africa 2. B-BBEE points (80/20): Level 1 = 10, Level 2 = 8, Level 3 = 6, Level 4 = 4, Levels 5–8 = 2 each, Non-compliant = 0. Highest total points wins. Tie-break: highest points for specified goals (locality + B-BBEE). No minimum qualifying score stated. Bids must be responsive (all mandatory documents submitted) to be evaluated.

Scope: Supply, install, test and commission one replacement 11 kV protection relay on the Montebertha–SWART RMU feeder at Porterville Main Switching Station.

Relay specification (mandatory unless approved equivalent):

• Manufacturer: Siemens / Reyrolle
• Model: 7SR5110-1AA11-1AA0
• Product family: Reyrolle 7SR51
• Application: 11 kV overcurrent protection
• Current inputs: 4 CT inputs
• Binary inputs: 8
• Binary outputs: 6
• Interfaces: 1× USB front, RS485 rear, 2× RJ45
• Enclosure: S6 with conformal coating
• Quantity: 1 unit

Work required:

• Remove existing faulty/damaged relay.
• Inspect and trace existing panel wiring and CT/control circuits.
• Install and terminate new relay.
• Verify CT connections, polarity and control wiring.
• Program and set relay per Municipality-supplied/approved protection settings.
• Functional testing of relay inputs and outputs.
• Primary injection testing of protection circuit.
• Verify trip operation via circuit-breaker/control circuit.
• Verify indication, alarm and protection functions.
• Rectify minor wiring/termination defects found during testing.
• Commission and return switchgear to service.

Testing and commissioning steps:

• Visual inspection of relay and panel installation.
• Wiring and terminal verification.
• CT circuit verification.
• Relay setting verification.
• Secondary/functional testing where applicable.
• Primary injection testing.
• Protection pickup and operating-time verification.
• Trip circuit functional test.
• Circuit-breaker trip verification.
• Alarm and indication verification.
• Final protection relay settings verification.
• No protection setting may be changed without written approval from the Municipality's authorised Electrical Engineering representative.

Handover documentation:

• Protection relay test certificate.
• Primary injection test results.
• Final relay settings report.
• Protection operating-time results.
• Confirmation of trip operation.
• Updated wiring/termination information (where changes made).
• Relay model and serial number.
• Installation and commissioning report.
• Record of defects identified and rectified.

Safety and switching:

• Comply with all applicable OHS requirements and Municipality's electrical safety, switching and lockout procedures.
• All work on 11 kV installation only under authorised switching programme and approved isolation/lockout.
• Contractor may not perform switching unless specifically authorised by the Municipality.

Contractor competency requirements:

• Demonstrated competency in 11 kV medium-voltage protection systems.
• Experience with Siemens/Reyrolle 7SR protection relays.
• Competence in primary injection testing.
• Availability of suitable calibrated test equipment.
• Competent persons authorised to perform the required electrical work and testing.

Site inspection: recommended before quotation to verify existing switchgear, relay mounting, wiring, CT circuits and control circuitry.

Quality requirements:

• Test certificates and handover documentation mandatory:

• Protection relay test certificate.

• Primary injection test results.

• Final relay settings report.

• Protection operating-time results.

• Confirmation of trip operation.

• Updated wiring/termination information where changes made.

• Relay model and serial number.

• Installation and commissioning report.

• Record of defects identified and rectified.

• All testing and commissioning per methodology in technicalSpecifications.
• Calibrated test equipment required.
• Competent persons authorised for electrical work and testing.

Pricing schedule (fixed lump-sum, VAT separate):

1. Siemens Reyrolle 7SR5110-1AA11-1AA0 protection relay – Qty 1.
2. Removal, installation and panel wiring/tracing – Qty 1.
3. Protection testing, primary injection and commissioning – Qty 1.
4. Travel and all incidental costs – Qty 1.

Municipality reserves right to adjust scope of work or quantities up or down to stay within budget.

Pricing format: fixed lump-sum price inclusive of all labour, materials, relay supply, installation, wiring/tracing, protection testing, primary injection testing, programming, settings, commissioning, certificates, travel, test equipment, consumables and incidental costs. VAT shown separately. Pricing schedule line items:

1. Siemens Reyrolle 7SR5110-1AA11-1AA0 protection relay (Qty 1).
2. Removal, installation and panel wiring/tracing (Qty 1).
3. Protection testing, primary injection and commissioning (Qty 1).
4. Travel and all incidental costs (Qty 1).

Municipality reserves the right to adjust scope of work or quantities up or down to stay within budget. Quotation validity: 120 days from closing date. Prices must include VAT (non-VAT vendors quote exclusive). No bid security, performance bond, retention or advance payment terms stated. Warranty: minimum 12 months from date of successful commissioning, or longer if manufacturer's warranty provides.

Mandatory eligibility:

• Registered on National Treasury Central Supplier Database (CSD) with MAAA number.
• Tax Compliance Status (TCS) Pin submitted, or valid tax clearance certificate, or CSD number where no TCS available.
• Originally certified B-BBEE Certificate or originally certified B-BBEE Sworn Affidavit (failure to submit scores 0 B-BBEE points but does not render bid non-responsive).
• Quotation completed in black ink on original documents.
• No bids from persons in the service of the state (per MSCM Regulations definition).
• Recent municipal account of company (≤90 days).
• Recent municipal accounts of all directors/shareholders.
• If leasing/renting: latest valid lease agreement.
• If no property registered: affidavit confirming this.

Returnable forms (see submissionGuidelines for list).

B-BBEE thresholds: points awarded per level under 80/20 system (Level 1 = 10, Level 2 = 8, Level 3 = 6, Level 4 = 4, Levels 5–8 = 2, Non-compliant = 0). No minimum B-BBEE level stated for eligibility.

No CIDB grading stated (work is protection relay replacement, not general construction).

No local content percentage stated.

No minimum turnover or financial capacity threshold stated.

B-BBEE requirements:

• Originally certified B-BBEE Certificate or originally certified B-BBEE Sworn Affidavit must be submitted to claim points.
• Failure to submit results in 0 points for B-BBEE but does not render bid non-responsive.
• Points under 80/20 system: Level 1 = 10, Level 2 = 8, Level 3 = 6, Level 4 = 4, Levels 5–8 = 2 each, Non-compliant = 0.
• EMEs (turnover ≤ R10 million) may use a qualifying sworn affidavit.
• QSEs (turnover ≤ R50 million) must comply with applicable QSE scorecard or submit certificate/affidavit.
• Entities above R50 million turnover require a valid B-BBEE certificate.
• No contract improvement or retention plan requirement stated.

Health and safety:

• Contractor must comply with all applicable Occupational Health and Safety requirements.
• Must follow Bergrivier Municipality's electrical safety, switching and lockout procedures.
• All work on the 11 kV installation only under an authorised switching programme and approved isolation/lockout procedure.
• Contractor may not perform switching operations unless specifically authorised by Bergrivier Municipality.

Contract terms:

• Quotations valid and binding for 120 days after closing date.
• Prices must be fixed and inclusive of VAT.
• Warranty: minimum 12 months from date of successful commissioning, or longer if manufacturer's warranty provides.
• Municipality not obliged to accept lowest or any quotation; reserves right to accept any quotation or part thereof.
• If prices are cost-effective, Municipality reserves right to procure additional items.
• Successful bidder must sign written contract form (MBD 7).
• Contract subject to Preferential Procurement Policy Framework Act, Preferential Procurement Regulations 2022, General Conditions of Contract (GCC) and any special conditions.
• Service providers must comply with all relevant legislation throughout the contract.
• No protection setting may be changed without written approval from Municipality's authorised Electrical Engineering representative.
• All work on 11 kV installation only under authorised switching programme and approved isolation/lockout procedure.

General requirements:

• CSD registration (MAAA number) mandatory.
• TCS Pin or tax clearance certificate required.
• Originally certified B-BBEE Certificate or Sworn Affidavit required for preference points.
• Quotation on original documents, black ink, valid 120 days.
• Recent municipal accounts (company and directors/shareholders, ≤90 days).
• Lease agreement or affidavit if no property owned.
• No bids from persons in the service of the state.
• Relay must meet specified technical specification (Siemens Reyrolle 7SR5110-1AA11-1AA0 or approved equivalent).
• Contractor must demonstrate competency in 11 kV protection systems, experience with 7SR relays, primary injection testing capability, calibrated equipment and authorised personnel.
• Site inspection recommended before pricing.

Evaluation criteria (80/20 system):

• Price: 80 points.
• B-BBEE Status Level of Contribution: 10 points (Level 1=10, 2=8, 3=6, 4=4, 5–8=2, Non-compliant=0).
• Locality: 10 points (Bergrivier Jurisdiction=10, West Coast District=5, Western Cape Province=3, South Africa=2).
• Highest total points wins; tie-break on highest specified-goal points.
• No minimum qualifying score stated.
• Bids must be responsive (all mandatory documents submitted).