Provision for Supply of Passive Wastewater Treatment Systems and Associated Services

Tender summary

The United Nations intends to engage the services of a qualified vendor for the provision for Supply of Passive Wastewater Treatment Systems and Associated Services in Support of All UN Field Missions. The scope will include the following requirements: a. Supply and delivery of Passive Wastewater Treatment Systems, spare parts and consumables in line with the technical requriements and performance specifications to safely handle and treat wastewater generated in UN Peacekeeping Missions and other UN Field Offices in accordance with industry best practices; b. Provisions of installation, commission/testing, training and after-sales support services (spare parts, training, etc.); c. Export packaging and shipment of the Passive Wastewater Treatment Systems into standard 20 foot ISO Sea Containers; d. Export packaging and shipment of spare/miscellaneous parts into standard 20 foot ISO Sea Containers; The main components of the envisioned Passive Wastewater Treatment Systems are: 1. Pre-treatment Assets - Grease Interceptors & Oil Water Separators 2. Septic Tank Systems 3. Infiltration/ Leaching Systems The goods and services will be provided through a multi-year system contract, and be used worldwide in Peacekeeping Operations, Political Missions and UN Offices. The detailed scope of requirements will be provided in the Request for Proposal (RFP), which will be sent out to all vendors responding to this EOI. No further detail can be made available prior to the issuance of the RFP solicitation. NOTE: Due to the expected high volume of communications, please follow the instructions below: 1. Please review this complete request for EOI document. 2. At this stage please do not submit any additional information and no questions will be answered. 3. If you have questions related to UN vendor registration, please follow the instructions below or contact register@un.org. Specific Requirements/Information Interested vendors must response no later than 14 August 2026. The response form must be completed in full. This REOI does not constitute a Solicitation; responding to the REOI does not guarantee that the Vendor will be invited to participate in the Solicitation when issued. The UN reserves the right to change or cancel the procurement at any time during the REOI process or the formal Solicitation process. The UN reserves the right to send the Solicitation Documents to Vendors who were identified through additional market research or other means to source the UN requirements.

What to check before bidding

• Issued by UN Secretariat.
• Located in Multiple countries.
• Source notice EOIUNPD24552 on UNGM.
• Notice published 13 Jul 2026; Tenqual indexed it 14 Jul 2026.
• Deadline listed as 2 Aug 2026.
• Source documents portal identified.
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