EXPANSION OF DANDORA WASTEWATER TREATMENT PLANT PHASE II – AWWDA

ATHI WATER WORKS DEVELOPMENT AGENCY(AWWDA) TENDER FEBRUARY 2026 

INVITATION FOR BIDS (IFB) 

EXPANSION OF DANDORA WASTEWATER TREATMENT PLANT – PHASE II 

National Comp etitive Bidding
NCB NO: AWWDA/GOK/DESTP-PH.2/W-05/2025-2026 

1. The Government of Kenya through the Ministry of Water, Sanitation and Irrigation has allocated funds for
   Expansion of Dandora Wastewater Treatment Plant –Phase II project to Improve Sanitation Services in
   Nairobi City and the Environs.
2. The Athi Water Works Development Agency (AWWDA) now invites bids from Eligible Contractors for the
   works contract for Expansion of Dandora Estate Waste Water Treatment Plant Phase II.
3. The following are mandatory requirements that must be submitted together with the Bid document:
   • Proof of registration as a water and sewerage contractor with the Ministry of Water, Sanitation
   and irrigation under Class 2 (or equivalent)
   • Proof of Registration with National Construction Authority category NCA 1 (or equivalent)
   • Certified copy of Certificate of Incorporation, Business Permit, CR 12 and a Valid Tax Compliance Certificate,
   • Firm’s Audited Accounts for the last Three (3) years
   Further information will be in the Bidding Document.
4. Interested eligible bidders may obtain further information from the address below and inspect the bidding
   documents during office hours from 0800 hours to 1700 Hours local time from Monday to Friday,
   except during lunch hour (1300 hours to 1400 hours), during weekends and public holidays at the
   address given below.
5. The documents may be downloaded from the AWWDA website: www.awwda.go.ke and
   www.tenders.go.ke for free, Bidders who download the bidding document from the website may
   forward their particulars immediately to procurement@awwda.go.ke, for records and any further clarifications and addenda.
6. All tenders must be accompanied with a bid security in the form of an unconditional Bank Guarantee of
   Kshs. 1,000,000.00 (Kenya Shillings One Million Only).
7. A mandatory pre-bid meeting and site visit shall be undertaken on 27th February 2026 at AWWDA offices,
   Athi Water Plaza, Muthaiga North Road-Off Kiambu Road starting at 9:00 am.
8. Tenders must be delivered to the address below on or before 12.00pm East African Time on
   19th March, 2026. Clearly marked Expansion of Dandora Wastewater Treatment Plant –Phase II Tender
   No: AWWDA/GOK/DESTP-PH.2/W-05/2025-2026. Electronic Tenders WILL NOT be permitted.
9. Tenders will be opened immediately after the deadline date and time specified above or any deadline
   date and time specified later in the presence of all bidders’ designated representatives who choose to
   attend.
10. Late tenders will be rejected.
11. The addresses referred to above is:
    Chief Executive Officer,
    Athi Water Works Development Agency,
    Athi Water Plaza, Muthaiga North Road, Off Kiambu Road
    P.O. Box 45283-00100, Nairobi, Kenya.
    Fax: 254-20-2724295; Tel: +254 715 688272
    Email: info@awwda.go.ke, procurement@awwda.go.ke