Construction of New Drainage System across Kaptembwo Ward, Nakuru West (CGN/NKRCB/ONT/056/2026-2027)

What is being bought

Nakuru County Government is inviting open national tenders for the proposed construction of a new drainage system across Kaptembwo Ward in Nakuru West Sub County, a works contract. Quantities, bill of quantities and specifications are in Parts 2 of the tender document, which were not reviewed.

Key facts

Closing

Tue 3 Nov 2026, 10:00 am
Submission closes on 3 November 2026 at 10:00 a.m. East Africa time, per the invitation, TDS and portal. No addenda were supplied, so this is the current date. D2 p.6

Bid / tender security

Original tender security of Kshs 100,000 as a bank guarantee (TDS). Guarantee may come from a licensed insurance company or a CBK-licensed financial institution. Must remain valid 30 days beyond the tender validity period. A tender-securing declaration is also requested (conflict). D2 p.32

Tender fee

No tender fee is stated. Tender documents may be downloaded free of charge from the county website or tenders.go.ke. D2 p.6

Site visit

Optional
Pre-tender site visit: not applicable. Visiting the site is encouraged at the tenderer's own cost and risk. D2 p.31

Pre-bid meeting

Optional
Pre-tender meeting: not applicable. D2 p.31

Reserved for

Open to all eligible bidders. No reservation to youth, women, persons with disabilities or AGPO groups; the portal lists no reserved group. D2 p.33

Contract value

Not stated in the documents we reviewed Not stated D2

Tender opening

Tenders are opened immediately after the closing time at County Government of Nakuru, Moi Road, County Government Headquarters, 1st Floor, Board Room. Bidder representatives may attend and sign a register. Venue conflicts with D2 p.7 which says chambers. D2 p.32

Tender validity

Tenders remain valid for 210 days. The invitation says from the date of opening; ITT 18.1 says from the submission deadline. Confirm with the procuring entity. Conflicting D2 p.6

Who can apply

• Open tender: tendering is open to all qualified and interested tenderers. The portal and tender data sheet confirm no reservation to youth, women, persons with disability or AGPO. D2 p.6
• Only if bidding as a joint venture (JV): a JV may not subcontract more than 10 percent of the contract price to foreign firms. A tenderer is treated as foreign if not registered in Kenya or registered but less than 51 percent Kenyan-owned. Standard rule D2 p.12

Application checklist

Tick items off as you prepare. Your ticks stay on this device only.

Required from every bidder

• MR1: Honest history of any claims, litigation, default notices and financial penalties for defaults, in the format provided, certified by a Commissioner of Oaths. D2 p.38
• MR2: Copy of company Certificate of Incorporation/registration in Kenya from the Registrar of Companies, certified by a Commissioner of Oaths or Kenya-registered advocate. D2 p.38
• MR3: CR12 for the directors of the company, or National ID for a sole proprietorship, valid for the last 12 months, certified by a Commissioner of Oaths or Kenya-registered advocate. D2 p.38
• MR4: Copy of registration with the National Construction Authority in Category 8 or above as a Road Works Contractor, with a valid NCA Practicing Licence, certified by a Commissioner of Oaths or advocate. See conflict on whether this is needed at submission. Conflicting D2 p.38
• MR5: Valid copy of current KRA Certificate of Tax Compliance, valid at least on the closing date. D2 p.38
• MR6: Form of Tender completed, signed and stamped in the format provided. D2 p.38
• MR7: Original tender security of Kshs. 100,000 (see bid_security item). D2 p.38
• MR8: Confidential business questionnaire, duly filled, signed and stamped. D2 p.38
• MR9: Current valid business permit for year 2026. D2 p.38
• MR10: Written power of attorney authorizing the signatory to commit the bidder, witnessed by a Commissioner of Oaths. D2 p.38
• MR11: Bill of Quantities duly filled and stamped in the format provided. D2 p.38
• MR12: Tender documents submitted in both soft copy (IFMIS supplier portal) and hard copies as described in the invitation notice. D2 p.38
• MR13: Entire document serialized and paginated from page 1 to the last page (1, 2, 3...), in line with Section 74(1)(i) of PPADA 2015. D2 p.38
• Tender-securing declaration: the invitation requires an original tender securing declaration form to accompany all tenders. See conflict. Conflicting D2 p.6

Experience, licences and financial capacity

Technical

• Technical evaluation: General experience in similar works (up to 10 marks) and specific experience of annual volume of works of Kshs 5 million or more in the past 2 years (up to 20 marks). Scored, not pass/fail. D2 p.41
• Experience in Roads and Bridges construction as contractor, subcontractor or management contractor for at least the last 2 years before the submission deadline (pass/fail). D2 p.44
• At least three public (government) contracts in the last three years, each worth at least KShs 2,000,000, successfully completed and similar to the proposed works, with certified completion certificates. D2 p.44
• Key personnel: head office staff with a bachelor degree in civil engineering or related field; construction manager with at least five years experience and minimum National Diploma; site agent/foreman with at least five years experience. CVs, certificates and academic certificates are mandatory. D2 p.44
• Essential equipment: evidence of plant and machinery (ownership documents or lease agreements) and reliable transport (tipper/lorry or pick-up); scored up to 20 marks. D2 p.42
• Work methodology: detailed work programme within the contract period and a safety methodology; scored (total 10 marks). D2 p.42

Financial

• Audited financial statements for the last three years (2023, 2024, 2025), all pages certified by a practicing auditor registered with ICPAK, with the auditor's membership number and valid practicing licence. D2 p.44
• Access to liquid assets, lines of credit or other financial means for the construction cash flow, estimated at a minimum of 10% of the Engineer's Estimate. The Engineer's Estimate amount is not stated. D2 p.44
• Bank statement covering the last six months to the date of tender. D2 p.44
• Certified bank statements for the past two years (2024 and 2025), scored in technical evaluation. D2 p.41
• Award goes to the technically qualified tender with the lowest financial quote. Ties are decided by the highest technical score. Prices must be fixed and in Kenya shillings, inclusive of all taxes. D2 p.43

How and where to submit

• Hard copies: complete serialized tender in sealed envelopes marked with tender number and description, deposited in the tender box at County Government HQ, Moi Road (ground floor entrance) or posted to The County Secretary, P.O Box 2780-20100, Moi Road. Postal address conflicts with D1. Conflicting D2 p.6
• Soft copies: tender copies must be uploaded through the IFMIS supplier portal at supplier.treasury.go.ke, and the portal closes automatically at the closing date and time. Whether this upload is required alongside hard copies is in conflict. Conflicting D2 p.6
• Tenderers shall sign all statements, documents and certificates uploaded to the e-portal to take responsibility for their correctness and authenticity. D2 p.32
• All pages of the tender must be serialized chronologically from the cover page to the last page, including attachments, numbered 1, 2, 3. D2 p.6
• Number of copies beyond the original tender: not stated (ITT 20.1 says N/A). Not stated D2 p.32

Lots and categories

• Lot N/A: No lots; the tender is a single contract. D2 p.31

Not covered in the documents we reviewed

• Contract value and Engineer's Estimate amount
• Bills of quantities, specifications and drawings (Parts 2, Sections V-VII) were not reviewed
• Performance security amount and contract period/completion time
• Any addenda (none supplied)
• Number of hard copies required (ITT 20.1 N/A)
• Blank thresholds in Section III: cash flow amount, minimum turnover, years for non-performance and litigation history
• Conditions of contract (Part 3) and contract forms
• Pages not provided: most of D2 pages 2-5, 8-11, 13-18, 20-24, 26-30 and others
• Whether soft-copy upload and hard copies are both required
• Which tender-securing declaration form to use with the security

Terms explained

TDS

Tender Data Sheet: the tender-specific values that override the standard Instructions to Tenderers (ITT).

ITT

Instructions to Tenderers: standard rules for preparing and submitting bids.

Tender security

Money-backed guarantee lodged with the bid, returned to unsuccessful bidders after award and signing.

Tender-securing declaration

Signed form promising to accept penalties if the bidder withdraws or refuses award; a substitute for security where allowed.

Responsive / non-responsive

Responsive means the bid meets all mandatory terms; non-responsive bids are rejected without evaluation.

MR

Mandatory Requirement (preliminary stage); failure leads to non-response.

NCA

National Construction Authority, which registers contractors by category.

IFMIS supplier portal

Treasury e-procurement supplier system used for uploading certificates and soft copies.

JV

Joint venture: two or more firms bidding together.

CR12

Company return listing directors and shareholders issued by the Registrar of Companies.

Engineer's Estimate

The procuring entity's internal cost estimate, used to set financial qualification thresholds.

Lowest evaluated tender

The qualifying tender with the lowest evaluated price after technical scoring.