PublicOpenWB-OP00468646Gambia· Expression Of Interest
Selection of Consultancy Services for Detailed Engineering Design and Construction Supervision of: Water Supply Systems; and The Kotu Faecal Sludge Treatment Plant, together with the Rehabilitation of Sanitation Infrastructure in Kotu and Banjul
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Estimated value
Not disclosed
Earliest action required
Checking…
Bid closes
05 Oct 2026
Submission method
Not stated at source
World Bank Procurement · published 14 Sept 2026 · last checked 14 Sept 2026 · no amendments recorded
Assignment details for consultants
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Individual consultant or consulting firm
Expression of interest
Notice classification
Required expertise
Water & Sanitation
Notice category
Minimum qualifications
Not stated
Tender pack
Required years of experience
Not stated
Tender pack
Country or duty station
Gambia
Notice
Assignment duration
Not stated
Tender pack
Expected start date
Not stated
Tender pack
Submission method
Not stated
Tender pack
Required proposal documents
Not stated
Tender pack
Expression of interest requirements
Not stated
Notice
Mandatory registration
Not stated
Tender pack
Clarification deadline
Not stated
Tender pack
Submission deadline
05 Oct 2026
Notice
Classified as a consulting opportunity from the published procurement type, notice type, summary, title.
Scope of works
Project P182122 — The Gambia Water and Sanitation Project · Method: Quality And Cost-Based Selection · Consulting services · REQUEST FOR EXPRESSIONS OF INTEREST (CONSULTING SERVICES – FIRMS SELECTION) REPUBLIC OF THE GAMBIA The Gambia Water and Sanitation Project (WASAP) Project ID: P513113 Assignment Title: Consultancy Services for Feasibility Studies, Detailed Engineering Design, Procurement Support, Construction Supervision, and Defects Liability Support for Urban Water Supply Systems in Kombo East and Urban Sanitation Infrastructure in Kotu and Banjul Reference No.: GM-NAWEC-565968-CS-QCBS The Republic of The Gambia has received financing from the World Bank toward the cost of the Gambia Water and Sanitation Project (WASAP) and intends to apply part of the proceeds for consulting services for Feasibility Studies, Detailed Engineering Design, Procurement Support, Construction Supervision, and Defects Liability Support for Urban Water Supply Systems in Kombo East and Urban Sanitation Infrastructure in Kotu and Banjul. The Greater Banjul Area is the country’s principal urban and economic center. Urban water services face major challenges including production constraints, intermittent supply, ageing infrastructure, limited storage capacity, and high levels of non-revenue water. Similarly, sanitation services in Banjul and Kotu are constrained by deteriorated sewerage assets, underperforming wastewater treatment facilities, and inadequate fecal sludge management infrastructure. WASAP will support the Government of The Gambia in addressing these challenges through investments aimed at improving service coverage, reliability, resilience, and sustainability of water supply and sanitation services. The assignment will support the preparation and implementation of priority investments in urban water supply and urban sanitation infrastructure, including: Urban water supply investments in Kombo East and Brikama East comprising boreholes, treatment facilities, storage reservoirs, transmission pipelines, distribution networks, household connections, SCADA systems, and power supply facilities; and Urban sanitation investments including rehabilitation and expansion of wastewater and sewerage infrastructure in Kotu and Banjul, fecal sludge treatment facilities, pumping stations, and as
