STUDY, DESIGN, SUPPLY, CONSTRUCTION, ASSEMBLY AND COMMISSIONING OF A TWO BOOSTING

SONATRACH

Activité Exploration - Production

Division Production

Direction Régionale de Hassi- Messaoud,

Direction Technique

BP50 Base IRARA, Hassi- Messaoud (30500).

Téléphone :+213 29 73 04 21

Télécopie : +213 29 73 05 10

National and International Open Invitation to Tender N° 38/2026/DT/HMD

«STUDY, DESIGN, SUPPLY, CONSTRUCTION, ASSEMBLY AND COMMISSIONING OF A TWO BOOSTING UNITS AT CINA IN HASSI-MESSAOUD»

SONATRACH SpA, Exploration Production Activity, Production Division, Regional Direction Hassi Messaoud, Technical Direction ,BP No. 50 Base IRARA, Hassi Messaoud, Ouargla Province, Algeria, is launching a National and International Open Call for Tenders for:

Realization, in EPC of two gas boosting units, R5I and R5J, located inside the Industrial Center (CINA) in Hassi Messaoud,

for gas compression from 13 to 40 bara, with a unit capacity of two (2) MMStm³/d, including associated installations, as well as a control building and an electrical substation, comprising:

Basic and detailed engineering and design studies;

Procurement and delivery to site (DDP) of all equipment, materials and supplies;

Execution of construction works and all trades services, installation of all equipment, steel structures, etc.;

Tie-in to existing installations;

-Testing and commissioning of all equipment and systems included in the R5I and R5J units project at CINA in Hassi Messaoud;

-Training of the Owner's operating, maintenance, safety, and other relevant personnel on all equipment and systems included in the project;

-Operation assistance.

The installations to be constructed include in particular:

-Compression train R5I (motor-compressor with all associated equipment and systems),

-Compression train R5J (motor-compressor with all associated equipment and systems),

-Suction header for both compression trains R5I and R5J,

-Discharge header for both compression trains R5I and R5J,

-Flare header for both compression trains R5I and R5J,

Pressurization systems for electric motors,

-Lubrication systems with accessories (each motor-compressor has its own oil tank),

-Wet sealing systems (oil-based) and accessories (each motor-compressor has its own sealing system),

-Control and monitoring system (ICSS),

-Telecommunication and IT system,

-Fire and gas detection and extinguishing system,

-HVAC system,

-Closed and open drain systems,

-Condensate recovery vessel M 316.5,

-ADF overhead crane for both centrifugal motor-compressors,

-Pipe rack,

-Extension of condensate header to connect the new condensate vessel with the existing one, including standby valves and blind flanges,

-Extension of the firewater network,

-Extension of utilities (instrument air, service air, service water) from existing sources,

-Infrastructure (control building, electrical substation, asphalted roads, shelters for motor-compressors and transformers, etc.),

-Tie-ins with existing facilities.

The Tender Document can only be requested via electronic messaging to the email address dphmd.retraitdesdao@sonatrach.dz , no later than The Forty-Fifth (45th) Day, at 5:00 PM after publication on BAOSEM, by any interested candidate, against payment of a non-refundable amount of Twenty Thousand Algerian Dinars (20,000.00 DA) for Algerian bidders, or One Hundred And Fifty (150 EUR) euros for foreign bidders. Payment will be made by transfer to the bank account (RIB) No. 002 00005 0503264125 56, Swift code: BEXA DZA LA 005 at Exterior bank of Algeria (BEA), Hydra-Algiers Agency.

Proof of payments relating to the withdrawal of the Tender Document (bank notice/cash payment slip) must be drawn up in the name of the tenderer.

Candidates listed among the companies excluded from participating in SONATRACH’s contract award procedures are not authorized to withdraw the present Invitation to Tender dossier.

The two-stage submission method applies to this Call for Tenders.

Under the first stage of this Call for Tenders, technical offers without any indication of price must be submitted in envelopes to the following address:

SONATRACH/Activité Exploration-Production/Division Production/Direction Régionale de Hassi-Messaoud, Division Juridique, Bureau d’Ordre Générale –B.P 50, Hassi- Messaoud

No later than the sixtieth (60th) day, at 5:00 PM from the date of publication of the call for tenders in “BAOSEM”.

If the last day of the deadline for submitting tenders coincides with a public holiday, the date will be postponed to the next working day.

The technical offers must be accompanied by a bid bond of One Hundred Million Algerian Dinars (100,000,000.00 DZD) for Algerian bidders, or Seven Hundred Thousand Us Dollars (700,000.00 Usd), Or Six Hundred Seventy Thousand Euros (670,000.00 EUR) for foreign bidders. The validity period of the bid bond must be equal to the validity period of the offers, i.e., One Hundred And Fifty (150) Days, with an additional grace period of Thirty (30) Calendar Days.

The bid bond may be inserted in the technical bid envelope or handed to the commission (COP) on the day where technical bid envelopes will be opened.

The bidder is required to present his technical offer according to the following table of contents:

• The declaration to be made according to the model provided for in section 4;

• The submission guarantee according to the model provided for in section 4;

• The general information file and the administrative file, as detailed in IS point 7.2.2;

• The technical offer itself, as detailed in DAO, including the relevant documents of the Contract, in particular those highlighting the qualifications of the bidder, its certifications, its approval, the execution plans and methodology, proposed technical solution and experience;

• Observations and/or comments on the technical offer in relation to the technical file;

• List of Suppliers and subcontractors proposed by the Bidder; if applicable

• The delegation(s) of powers of the signatory(s), the delegations of powers for the groups, authorizing the signatory(s) of the offer to bind the bidder;

• Observations and comments on the draft contract; the initialed draft contract, signed, and stamped with a wet (original) stamp;

• Observations and comments on the draft contract; the draft contract initialed,

• The Tender Dossier (DAO), initialed on each page and bearing, on the last page, the statement "read and approved"; the draft contract included must also be initialed on each page and signed with a wet stamp;

• SONATRACH’s Code of Ethics duly approved and signed by the Bidder with the statement “read and approved”;

• The confidentiality agreement duly completed and signed in two original copies, in accordance with the template provided in Section 4;

• Parent company or majority shareholder(s)’ guarantee;

• Administrative file, the content of which is specified in clause 7.2.2.2 of the Instructions to Suppliers;

• Observations and comments on the draft contract; if the Bidder has no comments, a document stating “None” must be submitted;

• The letter of submission valid for the entire duration of the process.

1. Administrative file for national bidder:

• Authenticated company statutes;

• The extract from the electronic commerce register, with an activity code corresponding to the subject of the Call for Tenders;

• The tax identification number (NIF);

• The tax status certificate (extract from the tax rolls) cleared or with payment schedule;

• Update certificates for social security organizations less than 3 months old (CNAS-CASNOS-CACOBAT);

• The extract from the criminal record for natural persons;

• The certificate of legal deposit of corporate accounts, for commercial companies registered in the National Center of the Trade Register;

• Balance sheets, income statements, for the last 3 years certified by an auditor or an approved chartered accountant, as the case may be.

• Auditor's reports for the last 3 years;

• History of past and current disputes with all customers.

• Power of the signatory authorized to act in the name and on behalf of the bidder within the framework of this DAO. It must be original, dated, and signed by the bidder;

• Copy of receipt for payment of DAO withdrawal fees

• Professional references in the relevant field, duly justified by certificates of good performance issued by the Bidder’s clients;

• Draft Contract duly initialed on each page and signed with a wet (original) stamp by the Bidder or its authorized representative, as provided in Section 5 of this Tender Dossier.

Administrative file for foreign bidder:

• Authentic statutes of the company and list of the main shareholders or associates of the bidder certified by the Algerian consular authorities of the bidder's country;

• Extract from the commercial register with certificate of existence or K-bis, issued by the competent bodies;

• Balance sheets and TCR for the last three (03) financial years, certified by an auditor or approved by an approved accountant as the case may be;

• Certificate of non-bankruptcy;

• History of past and current disputes, if applicable;

• Power of the signatory authorized to act in the name and on behalf of the bidder and committing the company or enterprise for the completion of the contract subject to this tender document. It must be original, dated, and signed by the bidder;

• Professional references in the field, duly justified by certificates of good execution issued by the bidder's clients;

• Copy of the receipt for payment of the withdrawal fees from the tender file;

• Draft contract duly initialed by the tenderer or his authorized representative, which is submitted to him in section 5 of this DAO.

Bidders whose technical bids have been declared compliant will be invited to submit a financial bid. Tenders for the first stage will be opened in the presence of the representative(s) of the Tenderers who wish to attend, at the opening session which will take place at the address, date and time which will be communicated to the Tenderers who have withdrawn the Tender Documents.

Tender guarantees may be submitted by interested bidders on the day of the opening of technical bids.

The bids containing financial offers will be opened in the presence of the representative(s) of the Bidders who so wish at the opening session which will take place at the address, date and time to be communicated to the Bidders invited to submit a Financial Offer.

Bidders shall remain bound by their offers for a period of 150 calendar days from the deadline for submission of technical offers.