Saturation dive system refurbishment, commissioning, integration and installation for petrosa, mossel bay

PetroSA owns portable dive systems including an inspection class ROV, mixed air dive system, and saturation dive system. The saturation dive system has been in laid-up status since 2021. The scope of work is to repair and refurbish the saturation dive system to bring it to class compliance and operational readiness.

Closing date: 2026-09-09 at 13:00. No other dates are stated in the document.

No contact information is provided in the document.

Returnable documents: the completed and signed SBD/MBD forms as specified in the tender pack, including the Invitation to Bid (SBD 1), Pricing Schedule (SBD 3), Declaration of Interest (SBD 4), Preference Points Claim (SBD 6.1), Declaration for Local Production and Content (SBD 6.2), Contract Form (SBD 7), Declaration of Past SCM Practices (SBD 8), Certificate of Independent Bid Determination (SBD 9), and any Authority to Sign. All forms must be completed, signed, and submitted with the bid. Bids must be submitted before the closing time; late bids are disqualified. The submission channel and address are not stated in the document.

Preference is given to bidders with experience in the design, build, and commissioning of saturation support systems and the build of pressurised equipment for human occupation. As a minimum, bidders with experience in operating and maintaining dive systems will be considered. The Quality Control Plan (QCP) must cover all tasks and identify witness hold points for PetroSA and the Class Authority; non-compliant QCPs may be rejected. The bid must comply with PetroSA's Quality Assurance, Control and Certification Requirements (EP/SHE/SD001).

Scope: Refurbishment, commissioning, integration, and installation of a saturation dive system for PetroSA, Mossel Bay. The system has been in laid-up status since 2021. Work includes: removal of auxiliary equipment, instruments, pipework, and cables from chambers; removal of the dive decompression chamber, diver transfer chamber, and hyperbaric rescue chamber from support frames; road transport of chambers; random wall thickness measurement and repair/replacement of defective plates; servicing and refurbishment of access and viewports, medilocks, mating flanges, and viewport flanges; inspection of lifting points; inspection and rethreading of utility access points; exterior and interior painting to marine specification; refurbishment of the winch deck (clump weight winches, bell winches, umbilical winch, hydraulic power packs, and controls); reinstallation of chambers and utilities; inspection and upgrade of Life Support and Dive Control Rooms, Life Support Dive Machineries (gas reclaim system, hot water machine, electrical and environmental conditioning unit), and dive bell to international standards; production of an optimised dive system layout for installation on a platform supply vessel; marine architectural study to prove vessel stability; design of a support structure if the vessel has no dry deck; integration with vessel utility systems; installation and commissioning; submission of documentation and certification. If work is done at the contractor's premises, additional tasks include booking berthing and lifting services and road transport of dive systems. All work must comply with IMO, IMCA, and applicable class authority standards; recommended upgrades require PetroSA approval.

The contractor's scope includes: removal of auxiliary equipment, instruments, pipework and cables from chambers; removal of chambers (DDC, DTC, HRC) from support frames; road transport of chambers; wall thickness measurement and repair/replacement of defective plates; servicing and refurbishment of access and viewports; inspection of lifting points; inspection and rethreading of utility access points; exterior and interior painting to marine specification; refurbishment of winch deck and associated equipment; reinstallation of chambers and utilities; inspection and upgrade of Life Support and Dive Control Rooms, Life Support Dive Machineries, and dive bell to international standards; production of optimized dive system layout; marine architectural study; design of support structure; integration with vessel utilities; installation and commissioning; submission of documentation and certification. If work is done at contractor's premises, additional tasks include booking berthing and lifting services, and road transport of dive systems. All work must comply with IMO, IMCA, and applicable class authority standards; recommended upgrades require PetroSA approval.

Preference will be given to service providers with experience in the design, build, and commissioning of saturation support systems and pressurised equipment for human occupation. As a minimum, service providers with experience in operating and maintaining dive systems will be considered.

The service provider must ensure services, workmanship, products, materials, and documentation comply with PetroSA's Quality Assurance, Control and Certification Requirements (EP/SHE/SD001). The Quality Control Plan (QCP) must cover all tasks and identify witness hold points for PetroSA and the Class Authority. PetroSA and the Class Authority may reject non-compliant QCPs.

A purchase order will be issued at commencement; all invoices must reference the purchase order. Changes to scope must be authorised by a new or supplementary purchase order or a signed variation order. Rework due to the contractor's negligence is for the contractor's account, including all associated costs. No other financial requirements are stated.

Compliance with PetroSA's Quality Assurance, Control and Certification Requirements (EP/SHE/SD001). The Quality Control Plan (QCP) must identify witness hold points for PetroSA and the Class Authority. All safety equipment must bear the SABS mark and be approved by the PetroSA Safety Department. The refurbishment and installation must be completed within a maximum of twelve (12) months. Bidders must have relevant experience as described in the evaluation criteria.

The service provider must ensure all personnel are provided with safety equipment including safety shoes, overalls with long sleeves, hard hat, rain suit, safety gloves, hearing protectors, safety glasses, and safety belt. All safety equipment must bear the SABS mark and be approved by the PetroSA Safety Department.

A purchase order will be issued at commencement; all invoices must reference the purchase order. Changes to scope must be in writing via a new or supplementary purchase order or a signed variation order. Rework due to the contractor's negligence is for the contractor's account, including all associated costs. Any damage to PetroSA's equipment due to negligence or poor workmanship is for the service provider's account. The service provider is responsible for protecting surrounding equipment. Any activity not covered in the agreement must be negotiated and agreed in advance with PetroSA. Proper clean-up of the worksite is part of the job. Working hours are Monday to Friday 08:00-16:30 with a half-hour lunch break; weekends and public holidays are normally off. Work on Sundays or public holidays requires engagement with a PetroSA representative. The refurbishment and installation must be completed within a maximum of twelve (12) months.

PetroSA will provide cranage services at Mossel Bay, sea freighting of the decompression chamber, available technical documentation, guidance for logistic vehicle access permits, and the vessel for installation. No accommodation or transport will be provided by PetroSA; the supplier is responsible for its own arrangements and costs.

Preference is given to service providers with experience in the design, build, and commissioning of saturation support systems and the build of pressurised equipment for human occupation. As a minimum, service providers with experience in operating and maintaining dive systems will be considered. The Quality Control Plan (QCP) must cover all tasks and identify witness hold points for PetroSA and the Class Authority; non-compliant QCPs may be rejected.

CSD National Support: 012 406 9222, [email protected]. PetroSA supplier portal support: 012 663 8815, [email protected]. PetroSA: 021 928 4731.

Suppliers must first register on the Central Supplier Database (CSD) at www.csd.gov.za, then complete a second registration on the PetroSA supplier portal. The PetroSA registration is a 7-step wizard; all mandatory fields must be completed and required documents attached. After submission, the Database Administrator vets and verifies the information. If a supplier's status prevents online tendering or their BEE status is not vetted, they must contact PetroSA on 021 928 4731 and advise the Tender Consultant.

In Step 6 of the PetroSA registration wizard, suppliers must attach required documents using the 'Manage Attachments' function. Provide a description for each document, upload the file, and save. When attaching multiple documents, click 'Clear' before uploading the next one.

CSD registration, BEE certification, and other relevant registrations and certifications may be required for evaluation.

field. Type

in your document description (e.g. BEE certificate 2018) then click on “Upload”.

upload your document and click on save.

1 3

Select the document from your source directory folder and click on “Open”, then

click on “Save”. (Or double click on your source document)

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You will get a message “saved successfully” when your document is saved and

you will be able to see the saved document record at the bottom of your screen.

PS: When you attach more than one document (e.g.: BEE certificate and profile),

remember to Click on “Clear” before uploading your next document.

5. Click on Step 7 then indicate if you have a “Conflict of Interest” or not. If you

have conflict of interest, please select “Yes” indicator and type the declaration. If

not, please select “No” indicator, then click on “Save” button to proceed.

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Suppliers must register on the CSD (www.csd.gov.za) and complete the PetroSA supplier registration. Local suppliers must provide BEE information and attach a valid BEE certificate. Suppliers must also declare any conflict of interest during registration.

Local suppliers must complete BEE information in Step 6 of the PetroSA registration wizard and attach a valid BEE certificate. The certificate must be uploaded with a description (e.g., 'BEE certificate 2018').

After registration, the Database Administrator vets and verifies the submitted information. Suppliers whose status prevents online tendering or whose BEE status is not vetted must contact PetroSA on 021 928 4731 and advise the Tender Consultant.

Suppliers must complete two registration phases: first on the CSD, then on the PetroSA portal. The PetroSA registration involves a 7-step wizard where all mandatory fields must be completed, including BEE information for local suppliers and a conflict of interest declaration.