Starting From:   2025-06-03 Deadline:   2025-07-03

International Invitation for Prequalification

Construction of the North Mainland Transmission Main and Nguu Tatu Storage Reservoir

1.The Coast Water Works Development Agency (hereinafter referred to as “the Borrower”) has applied for a loan from the European Investment Bank – EIB (hereinafter referred to as “the Bank”) – towards the cost of the Mwache Water Project. This International Invitation for Prequalification relates to the contract for; Construction of the North Mainland Transmission Main and Nguu Tatu Storage Reservoir, Contract No.  CWWDA/EIB/W/TP/3/2025. 

This contract will include: 

i)Construction of DN 800 Steel or Ductile Iron Water Transmission Pipeline from an Offtake off the Mwache Trunk Main (Section 2) to the Nguu Tatu Storage Reservoirs, total length 21.8km. 

ii)Construction of 14,000m3 capacity Reinforced Concrete Nguu Tatu Storage Reservoir and Ancillary Works including Rehabilitation of Existing 3Nr. Storage Reservoirs (total capacity 27,000m3), Construction of New Chlorination Facilities and Administration Building. 
iii)Rehabilitation works on the existing Nguu Tatu Reservoirs. 

iv)Supply and Installation of Monitoring System (SCADA System) for the above Pipeline and Reservoir, to be integrated into the Overall Monitoring System including Components constructed under other Projects (Dam, Water Treatment Plant, Lots 1 & 2 Pipelines and Reservoirs). 

This contract is expected to be implemented from July 2026 to July 2029. 

The criteria to be used in the Prequalification are:  
?Eligibility; 
?Historical Contract Non-Performance 
?Financial Situation and Performance 
?Experience 
2.All firms are invited to participate in the Prequalification. 

3.Interested eligible Applicants may obtain further information from and inspect the prequalification documents at the Coast Water Works Development Agency (CWWDA) (address below) during working hours (from 8:00 am to 4:30 pm Kenyan time) from Monday to Friday except during lunch time (12:30pm – 2:00pm), weekends and public holidays. A complete set of the prequalification documents in English language may be purchased by interested Applicants on the submission of a written application at the address below upon payment of a nonrefundable fee of Kshs. 1,000 (Kenya Shillings One Thousand Only). The method of payment will be bankers cheque. The Bidding Documents will be collected from the address below upon production of a purchase receipt or be downloaded free of charge from our website www.cwwda.go.ke and immediately email the firms’ names and contact details to: procurement@cwwda.go.ke for records and communication of any tender clarifications or addenda.    

4.Applications must be delivered in closed envelopes bearing the mention “Application for  Prequalification of Lot 3 – Construction of the North Mainland Transmission Main and Nguu Tatu Storage Reservoir” not later than 12:00 PM local time 3rd  July 2025 at the following address: 

The Chief Executive Officer 
Coast Water Works Development Agency (CWWDA) 
Attention: Procurement Manager 
Nkurumah Road, Off Mikindani Street 
P.O. Box 90417 – 80100, Mombasa, Kenya