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The UNITED NATIONS SECRETARIAT (UN SECRETARIAT) has issued a Tender notice for the procurement of a Provision of Septic Tank Design, Construction Services, and other Associated Infrastructure Works at the United Nations Office at Nairobi, Kenya in the Kenya. This Tender notice was published on 29 Dec 2025 and is scheduled to close on 15 Jan 2026, with an estimated Tender value of Refer Document. Interested bidders can access detailed Tender information, eligibility criteria, and complete bidding documents by referencing TOT Ref No. 132820644, while the tender notice number is EOIUNON24042 and Registering on the platform.
Procurement Summary
Country: Kenya
Summary: Provision of Septic Tank Design, Construction Services, and other Associated Infrastructure Works at the United Nations Office at Nairobi, Kenya
Deadline: 15 Jan 2026
Posting Date: 29 Dec 2025
Other Information
Notice Type: Tender
TOT Ref.No.: 132820644
Document Ref. No.: EOIUNON24042
Financier: United Nations Secretariat
Purchaser Ownership: Public
Tender Value: Refer Document
Purchaser's Detail
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Login to see detailsTender Details
The United Nations Office at Nairobi (UNON) seeks to engage a qualified and experienced civil engineering contracting firm(s) to design and construct an upgraded septic tank(s) and waste water reticulation system at the UNON Complex. The objective is to establish a reliable, compliant, and scalable wastewater treatment solution that:• Meets current operational wastewater treatment needs• Complies with Kenyan environmental and public health regulations• Aligns with international wastewater management standards (WHO guidelines)• Provides capacity for future expansion to accommodate increased demand• Ensures minimal disruption to ongoing UN operations during implementationStage 1: Immediate Upgrade (Mandatory):Tol be executed to address the current wastewater treatment infrastructure. The works shall be implemented over four (4) distinct phasesPhase 1: Planning and DesignPhase 2: ConstructionPhase 3: DecommissioningPhase 4: Post-Construction Stage 2: Future Expansion (Optional)Design shall accommodate potential additional capacity for approximately 3, 000 persons during peak periods Specific Requirements/InformationInterested vendors must possess the necessary technical expertise and capacity to provide the required services, as only suitably qualified vendors will be invited to participate in the Request for Proposal that will be issued following the finalization of this REOI exercise. A vendor's suitability shall be assessed using the Preliminary Assessment checklist attach...
Publish Date: 26-Dec-2025 UN Orgnization: UNITED NATIONS SECRETARIAT (UN SECRETARIAT) Type of Notice: Request for EOI
Documents
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