Tenders/Works of Sewerage and Drainage Infrastructure in Dutch Quarter, Sint Maarten

Open🇳🇱NetherlandsWorks

Works of Sewerage and Drainage Infrastructure in Dutch Quarter, Sint Maarten

UNOPS

Published: Aug 14, 2026

Updated: Aug 14, 2026

Source: UNGM - United Nations Global Marketplace

About This Opportunity

UNOPS - Invitation to bid

This is a works contract in the water and sanitation sector, with a focus on Sanitation and Drainage. Located in Netherlands Antilles, Asia, this opportunity is open to firms and consortiums. Proposals must be submitted before September 28, 2026.

Published through UNGM - United Nations Global Marketplace, part of the United Nations system, which follows UN procurement standards. UN-funded opportunities are typically open to vendors registered in the UN Global Marketplace for civil works in the water and sanitation sector. Works contracts of this nature generally require demonstrated experience in similar infrastructure projects, adequate equipment and technical personnel, and financial capacity including bank guarantees. Interested parties should review the full documentation on the original source before submitting their proposal.

Description

Agency: UNOPS | Reference: ITB/2026/63925 | Type: Invitation to bid Tender description:Works of Sewerage and Drainage Infrastructure in Dutch Quarter, Sint Maarten-----IMPORTANT NOTE: Interested vendorsmust respond to this tender using the UNOPS eSourcing system, via the UNGM portal. In order to access the full UNOPS tender details, request clarifications on the tender, and submit a vendor response to a tender using the system, vendors need to be registered as a UNOPS vendor at the UNGM portal and be logged into UNGM. For guidance on how to register on UNGM and submit responses to UNOPS tenders in the UNOPS eSourcing system,please refer to the user guide and other resources available at:https://esourcing.unops.org/#/Help/GuidesInterested in improving your knowledge of what UNOPS procures, how we procure and how to become a vendor to supply to our organization? Learn more about our free online course on “Doing business with UNOPS”here DOCUMENTS AND LINKS: • 1. IITB_2026_63925 - Section I - Instructions to Bidders.pdf: https://www.ungm.org/Public/Notice/DownloadDocument?noticeId=311146&documentId=2078613 • 2. ITB_2026_63925 - Sections II, III, IV, V.pdf: https://www.ungm.org/Public/Notice/DownloadDocument?noticeId=311146&documentId=2078614 • 3. ITB_2026_63925 - Section VI Returnable Schedules.docx: https://www.ungm.org/Public/Notice/DownloadDocument?noticeId=311146&documentId=2078615 • Annex 1A_ UNOPS - 24793 - DUTCH QUARTER SECTION 2 - TENDER DRAWINGS.pdf: https://www.ungm.org/Public/Notice/DownloadDocument?noticeId=311146&documentId=2078616 • Annex 1B UNOPS - 24793 - DUTCH QUARTER SECTION 2 - PRE AMBLE TO THE BOQ.pdf: https://www.ungm.org/Public/Notice/DownloadDocument?noticeId=311146&documentId=2078617 • Annex 1C_ UNOPS - 24793 - DUTCH QUARTER SECTION 2 - BOQ.pdf: https://www.ungm.org/Public/Notice/DownloadDocument?noticeId=311146&documentId=2078618 • Annex 1D UNOPS - 24793 - DUTCH QUARTER SECTION 2 - TECHNICAL SPECIFICATIONS.pdf: https://www.ungm.org/Public/Notice/DownloadDocument?noticeId=311146&documentId=2078619 • Annex 2A UNOPS HSSE Minimum and Complementary Requirements.pdf: https://www.ungm.org/Public/Notice/DownloadDocument?noticeId=311146&documentId=2078620 • Annex1A.1 - Demolition Works_rev1_12jun2026.dwg: https://www.ungm.org/Public/Notice/DownloadDocument?noticeId=311146&documentId=2078621 • Annex1A.2 - Details_12jun2026.dwg: https://www.ungm.org/Public/Notice/DownloadDocument?noticeId=311146&documentId=2078622 • Annex1A.3 - Drainage Works_rev1_12jun2026.dwg: https://www.ungm.org/Public/Notice/DownloadDocument?noticeId=311146&documentId=2078623 • Annex1A.4 - New Situation_rev1_12jun2026.dwg: https://www.ungm.org/Public/Notice/DownloadDocument?noticeId=311146&documentId=2078624 • Annex1A.5 - Sewerage Flow Schematics_rev1_12jun2026.dwg: https://www.ungm.org/Public/Notice/DownloadDocument?noticeId=311146&documentId=2078625 • Annex1A.6 - Sewerage Work_rev1_12jun2026.dwg: https://www.ungm.org/Public/Notice/DownloadDocument?noticeId=311146&documentId=2078626 • UNOPS_eSourcing_Vendor Guide - EN.pdf: https://www.ungm.org/Public/Notice/DownloadDocument?noticeId=311146&documentId=2078627 • Download all documents: https://www.ungm.org/Public/Notice/DownloadAllDocuments?noticeId=311146

Data provenance

This notice is sourced from UNGM - United Nations Global Marketplace and was originally published on August 14, 2026. Last refreshed today. BidsFactory mirrors official procurement notices and links back to the source for full legal text.

About UNOPS

UNOPS has issued 1,104 procurement notices on BidsFactory, including 116 currently open and 0 awarded contracts. Activity concentrates in General Supplies & Services, Transport & Logistics, and Health & Medical. Tenders span 10 countries including Denmark, El Salvador, and Senegal. Notices are distributed via UNGM - United Nations Global Marketplace and ReliefWeb Consultancies. Most recent publication: August 14, 2026.

Frequently asked questions about this tender

Who is the contracting authority?

This notice was issued by UNOPS in Netherlands Antilles. The authority is responsible for evaluating bids, awarding the contract, and managing performance.

What type of contract is this?

This is a Works contract in the Water & Sanitation sector. The classification helps bidders match the opportunity to their qualifications and registered scope of supply.

Where will the contract be performed?

The contract is for delivery in Netherlands Antilles. Foreign bidders should review local registration, taxation, and any in-country presence requirements before submitting.

How can I submit a bid?

Visit UNGM - United Nations Global Marketplace to access the full notice, required documents, and submission instructions provided by the contracting authority.

When does this tender close?

The submission deadline is September 28, 2026. You have 44 days left to prepare and submit your proposal to the contracting authority.