Waterproofing works at social history centre and SA museum, iziko museums of south africa (RFQ)

Closing date and time: 27 October 2026 at 11:00

Compulsory briefing session: 20 October 2026 at 11:00

Venue: 25 Queen Victoria Street, Cape Town, 8001

Note: The document also mentions an advert date of 12 October 2027, which appears to be an error; the closing date is 27 October 2026.

Compulsory briefing session: 20 October 2026 at 11:00

Venue: 25 Queen Victoria Street, Cape Town, 8001

Attendance is compulsory / strongly recommended. Bidders must contact Iziko Supply Chain to arrange access.

Supply Chain enquiries:

• Email: [email protected]

Technical enquiries:

• Contact: Sinovuyo Nkwali
• Email: [email protected]

Submission email: [email protected] and [email protected]

Service delivery addresses:

Iziko Social History Centre

17 Church Square

Cape Town

Iziko SA Museum

25 Queen Victoria Road

Cape Town

8001

Submission method: email

Submission email: [email protected] and [email protected]

Closing time: 27 October 2026 at 11:00

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

• SBD 4 (Bidder's Disclosure): declares whether any director or shareholder is employed by an organ of state and discloses any relationship with the procuring institution; false declarations disqualify the bid.
• SBD 6.1 (Preference Points Claim Form): claims preference points for specific goals; must be completed where applicable.
• CSD registration report not older than the advert date.
• Valid tax compliance status / PIN.
• Company registration documentation.
• B-BBEE certificate or valid sworn affidavit, where applicable.
• Valid Compensation Fund (COIDA) letter of good standing.

Disqualification risks:

• Submission received after the closing date and time.
• Failure to submit required documentation or incomplete documentation.
• Failure to comply with mandatory technical requirements.
• Fraudulent, factually untrue or inaccurate information.
• Non-compliance with CSD/tax or other mandatory procurement requirements.
• Any alterations to the bid document other than filling in the bidder's details and tender price.
• The onus is on the bidder to ensure complete email documents are received by Iziko by the due date and time.

Evaluation stages:

• Stage 1: Administrative and compliance documents.
• Stage 2: Functionality / technical evaluation.
• Stage 3: Price and Specific Goals.

Minimum qualifying score: 70 out of 100 points (70%) on functionality to proceed to Stage 3, subject to Iziko SCM approval.

Functionality scoring (maximum 100 points):

• Relevant waterproofing experience (30 points): 30 = more than 5 years, 15 = 3 to 5 years, 0 = less than 3 years or no evidence.
• Comparable client references (20 points): 20 = 3 or more letters, 10 = 2 letters, 0 = 1 letter or none.
• Manufacturer approval, product compliance and technical resources (20 points): 20 = strong and verified, 10 = adequate with minor gaps, 0 = limited or no evidence.
• Methodology, programme and health & safety (30 points): 30 = comprehensive, 15 = attached but not detailed, 0 = not attached.

Evidence rule: Evaluators score only on evidence contained in the bid submission; where evidence is not provided, the requirement is not assumed to be met.

Price and Specific Goals (80/20 system):

• Price: 80 points.
• Specific Goals: 20 points.
• Total: 100 points.

Specific goals points (based on black ownership):

• 50% or more black ownership = 20 points.
• Less than 50% black ownership = 10 points.
• 0% black ownership = 0 points.

Scope of work:

• Waterproofing of flat roofs, turn-ups, turn-downs and inverted beams at two sites: Iziko Social History Centre (17 Church Square, Cape Town) and Iziko SA Museum (25 Queen Victoria Road, Cape Town).

Social History Centre:

• Hack off existing screed over approx. 200 m2 of flat roof and prepare surface.
• Install primer (Derbigum CG3) and torch-fused membrane (Derbigum SP4) or approved equivalent, with 75 mm side laps and 100 mm end laps.
• Flat roofs: approx. 200 m2.
• Turn-ups and turn-downs exceeding 300 mm girth: approx. 30 m2.
• Tops and sides of inverted beams: approx. 30 m2.
• Additional membrane and sealing into three (3) 100 mm diameter outlets.
• Preliminaries and general: transport, supervision and access priced on the basis of three (3) days.

SA Museum (6th floor roof):

• Hack off existing membranes over approx. 200 m2 and prepare surface.
• Install primer (Derbigum CG3) and torch-fused membrane (Derbigum SP4) or approved equivalent.
• Flat roofs: approx. 200 m2.
• Turn-ups and turn-downs exceeding 300 mm girth: approx. 30 m2.
• Silvacote bitumen paint to approx. 30 m2 of inverted beams.
• Replace 6 m2 of damaged ceiling with 9 mm Gypsum Rhinoboard, skim and apply two coats of white PVA paint in the 6th floor boardroom.
• Preliminaries and general: transport, supervision and access priced on the basis of five (5) days.

General requirements:

• Works must be carried out with minimal disruption to museum operations and in strict accordance with the manufacturer's instructions.
• Protect adjacent surfaces, finishes, equipment and building contents; make good any damage.
• Clean site on completion, conduct final inspection with Iziko, and hand over works with guarantee.
• Quantities are approximate and for pricing purposes; bidders must verify them during site inspection.
• Any quantity change approved in writing by Iziko will be valued at the rates quoted in the Pricing Schedule.
• Bidders must identify any outlets, penetrations, flashings or upstands requiring work not described in the RFQ.
• Works must not be carried out in wet or unsuitable weather; provide temporary protection of exposed areas and report weather delays to Iziko.
• Deliverables include: completed waterproofing, removal of all rubble, photographic record of works, workmanship and material guarantee, completion and acceptance documentation, and health and safety documentation.

Implementation methodology (as outlined in the RFQ):

1. Appointment and site handover.
2. Site establishment, induction and submission of health and safety documentation.
3. Protection of surrounding areas and building contents.
4. Hacking off of existing screed and removal of rubble.
5. Surface preparation and inspection by Iziko prior to priming.
6. Application of primer.
7. Torch-fused installation of membrane on flat roofs, turn-ups and turn-downs, and inverted beams.
8. Sealing into outlets.
9. Quality control and inspection, including water-tightness testing where applicable.
10. Site clean-up.
11. Final inspection, handover and issue of guarantee.

The bidder must submit a programme stating the proposed start date and duration of the works.

Bidder experience and minimum requirements:

• Proven experience in torch-fused bituminous waterproofing of flat roofs.
• Evidence of approved or accredited applicator status for the specified (or equivalent) membrane system.
• Experience on public, heritage or occupied buildings (preferred).
• Qualified and experienced supervisor and workforce.
• Ability to comply with health and safety requirements, including a valid COIDA letter of good standing.
• Ability to provide workmanship and material guarantee.
• Ability to perform the works in the Western Cape.
• At least three relevant client references.

Key personnel:

• CVs of the proposed site supervisor and key personnel must be submitted.
• The site supervisor must be competent and experienced.

Quality requirements:

• Works must be carried out by competent personnel, preferably trained or approved by the membrane manufacturer, under the supervision of an experienced supervisor.
• The waterproofing system must be installed in strict accordance with the manufacturer's instructions.
• Surface must be clean, dry, sound and free of dust, laitance, oil, loose material, sharp projections and standing water before priming.
• Any substrate defect, ponding or inadequate fall must be reported to Iziko before the membrane is applied.
• Quality control and inspection, including water-tightness testing where applicable.
• Formal acceptance occurs only after successful completion, inspection of all surfaces and outlet detailing, removal of rubble, site clean-up, and submission of the guarantee and completion documentation.
• Iziko may withhold acceptance and associated payment for incomplete works.

Pricing must be a fixed price for the complete works, including all labour, materials, plant, equipment, transport, supervision, access, disposal and insurances, with no variation after award.

Social History schedule items:

• Item 1: Hack off existing screed and prepare surface – 200 m2.
• Item 2: Prime with one layer Derbigum CG3 and one layer Derbigum SP4 membrane (or approved equivalent), torch-fused, 75 mm side laps and 100 mm end laps – flat roofs, 200 m2.
• Item 3: Turn-ups and turn-downs exceeding 300 mm girth – 30 m2.
• Item 4: Tops and sides of inverted beams – 30 m2.
• Item 5: Additional membrane and sealing into 100 mm diameter outlet – 3 no.

SA Museum schedule items:

• Item 1: Hack off existing and prepare surface – 200 m2.
• Item 2: Flat roofs – 200 m2.
• Item 3: Turn-ups and turn-downs exceeding 300 mm girth – 30 m2.
• Item 4: Tops and sides of inverted beams – 30 m2.
• Item 5: Replace damaged ceiling with 9 mm Gypsum Rhinoboard, skim and apply two coats of white PVA paint in the SA Museum boardroom – 6 m2.

Each schedule shows subtotal (excl. VAT), VAT (15%) and total (incl. VAT).

The Total Evaluated Bid Price (including VAT) will be used to calculate price points under the 80/20 preference point system; only amounts captured on the table will be considered.

Iziko may withhold payment until the works have been inspected and accepted as complete by Iziko's representative.

Bidders must state all assumptions and exclusions used to prepare their pricing.

Quotes must be valid for 90 days from the bid closing date.

A formal detailed quotation must be sent with the proposal; the pricing schedule and formal quotation must include all applicable costs and there can be no variation after award.

Pricing format:

• Fixed price for the complete works, including all labour, materials, plant, equipment, transport, supervision, access, disposal and insurances.
• No variation after award.

Pricing schedule – Social History:

• Item 1: Hack off existing screed and prepare surface – 200 m2.
• Item 2: Prime with one layer Derbigum CG3 and one layer Derbigum SP4 membrane (or approved equivalent), torch-fused, 75 mm side laps and 100 mm end laps – flat roofs, 200 m2.
• Item 3: Turn-ups and turn-downs exceeding 300 mm girth – 30 m2.
• Item 4: Tops and sides of inverted beams – 30 m2.
• Item 5: Additional membrane and sealing into 100 mm diameter outlet – 3 no.

Pricing schedule – SA Museum:

• Item 1: Hack off existing and prepare surface – 200 m2.
• Item 2: Flat roofs – 200 m2.
• Item 3: Turn-ups and turn-downs exceeding 300 mm girth – 30 m2.
• Item 4: Tops and sides of inverted beams – 30 m2.
• Item 5: Replace damaged ceiling with 9 mm Gypsum Rhinoboard, skim and apply two coats of white PVA paint in the SA Museum boardroom – 6 m2.

Each schedule shows subtotal (excl. VAT), VAT (15%) and total (incl. VAT).

The Total Evaluated Bid Price (including VAT) will be used to calculate price points under the 80/20 preference point system; only amounts captured on the table will be considered.

Payment terms:

• Iziko may withhold payment until the works have been inspected and accepted as complete by Iziko's representative.

Validity:

• Quotes must be valid for 90 days from the bid closing date.

A formal detailed quotation must be sent with the proposal; the pricing schedule and formal quotation must include all applicable costs and there can be no variation after award.

Eligibility:

• CIDB grading: 2 GB or higher.

Mandatory compliance documents:

• CSD registration (tax-compliant report not older than the advert date).
• Valid tax compliance status / PIN.
• Company registration documentation.
• B-BBEE certificate or valid sworn affidavit, where applicable.
• Valid Compensation Fund (COIDA) letter of good standing.
• Completed SBD 4 (Bidder's Disclosure).
• Completed SBD 6.1 (Preference Points Claim Form), where applicable.

Bidders must not be listed on the Register for Tender Defaulters or the List of Restricted Suppliers.

Health and safety compliance:

• Comply with the Occupational Health and Safety Act, 1993 and the Construction Regulations, 2014.
• Submit a health and safety plan, risk assessment, hot-work permit, fire-fighting equipment and fire watch during and after torching.
• Working-at-heights and access arrangements must be safe and compliant.
• Carry adequate public liability and contractor's all-risk insurance for the duration of the works.
• Comply with Iziko's site rules and induction requirements.

Guarantee requirements:

• State workmanship and material guarantee periods offered (minimum 5 years, to be confirmed by Iziko).
• Guarantee documentation must be issued to Iziko on completion.
• Defects arising from workmanship or materials must be rectified at no cost to Iziko during the guarantee period.

Specific goals under the 80/20 preference point system are allocated 20 points, based on black persons (ownership):

• 50% or more black ownership = 20 points.
• Less than 50% black ownership = 10 points.
• 0% black ownership = 0 points.

Supporting evidence required includes:

• Proof of B-BBEE certificate.
• Company registration certification.
• Identification documentation.
• CSD report.

Health, safety and fire prevention:

• Torch-fusion is hot work; comply with the Occupational Health and Safety Act, 1993 and the Construction Regulations, 2014.
• Submit a health and safety plan, risk assessment, hot-work permit, appropriate fire-fighting equipment and fire watch during and after torching.
• Working-at-heights and access arrangements must be safe and compliant.
• A valid Compensation Fund (COIDA) letter of good standing must be submitted.
• Carry adequate public liability and contractor's all-risk insurance for the duration of the works.
• Comply with Iziko's site rules and induction requirements.
• Works will be carried out at an operating heritage institution; access, working hours and site arrangements must be agreed with Iziko in advance.
• Collections, exhibits, equipment and finishes must be protected at all times; control dust, noise, fumes and heat.
• Works must not be carried out in wet or unsuitable weather; provide temporary protection of exposed areas and report weather delays to Iziko.
• Any damage caused by the contractor must be made good at the contractor's cost.

Contract period:

• Works must be completed within 3 weeks of receipt of an official order.
• Bidders must state their earliest start date and proposed duration.

Defects liability:

• A defects liability period of 12 months applies from the date of practical completion / site handover.
• Guarantee periods stated in the bidder's response apply in addition to the defects liability period.

Formal contract:

• The proposal and appended documentation form the basis for an agreement to be negotiated and concluded in a formal contract between Iziko and the preferred service provider.
• A mere offer and acceptance shall not constitute a formal contract.

Change control:

• Any variation to scope, quantities or price requires Iziko's prior written approval.
• No additional costs will be accepted after award unless approved in writing through the change control process.

General principles:

• The lowest or only quotation will not necessarily be accepted.
• Iziko reserves the right to accept or reject any quotation and to withdraw its decision at any time.
• Iziko may request clarification, conduct technical demonstrations, presentations and due diligence, and verify references and certifications.
• Iziko reserves the right to award the RFQ in whole or in part where appropriate and legally permissible.

General principles:

• The lowest or only quotation received will not necessarily be accepted.
• Iziko and its Council reserve the right to accept or reject any quotation and to withdraw its decision to seek the provision of these services at any time.
• Iziko may request clarification from bidders.
• Iziko may conduct technical demonstrations, presentations and technical due diligence.
• Iziko may verify references and certifications.
• Any negotiation or clarification will be undertaken only where permitted by applicable procurement legislation and Iziko policy.
• Iziko reserves the right to award the RFQ in whole or in part where appropriate and legally permissible.

Reasons for disqualification:

• Submission received after the stipulated closing date and time.
• Failure to submit required documentation.
• Incomplete documentation or information required by the specification.
• Failure to comply with mandatory technical requirements.
• Fraudulent, factually untrue or inaccurate information.
• Non-compliance with applicable CSD/tax or other mandatory procurement requirements.
• If a bid document is not filled in correctly or completely, or does not comply with the specification, or is delivered/sent after the bid closing date and time, or the supplier is not registered on the CSD or has a non-compliant tax status, the bidder may be disqualified.
• Any alterations to the bid document other than filling in the bidder's details and tender price will automatically disqualify the tenderer.

Submission:

• Emailed RFQ documents will be accepted, but the onus is on the tenderer to ensure complete email documents are received by Iziko by the due date and time.

Bidding is evaluated in three stages: Stage 1 – administrative and compliance documents; Stage 2 – functionality / technical evaluation; Stage 3 – price and specific goals.

Bidders must achieve a minimum of 70% on the functionality criteria to proceed to Stage 3, subject to Iziko SCM approval.

Functionality is scored out of 100 points on evidence contained in the bid submission only:

• Relevant waterproofing experience (30 points): 30 = more than 5 years, 15 = 3 to 5 years, 0 = less than 3 years or no evidence.
• Comparable client references (20 points): 20 = 3 or more letters, 10 = 2 letters, 0 = 1 letter or none.
• Manufacturer approval, product compliance and technical resources (20 points): 20 = strong and verified, 10 = adequate with minor gaps, 0 = limited or no evidence.
• Methodology, programme and health & safety (30 points): 30 = comprehensive, 15 = attached but not detailed, 0 = not attached.

Where evidence requested is not provided, evaluators must not assume the requirement is met.

Where the 80/20 system applies: Price 80 points, Specific Goals 20 points, total 100.