Construction to completion of a 45-student science laboratory with fume chamber at Highway Secondary School, Naivasha

What is being bought

Construction to completion of a 45-student science laboratory with a fully operational fume chamber at Highway Secondary School, Naivasha Constituency, for NG-CDF Naivasha. Works, open tender. Scope and quantities are in the Bill of Quantities and specifications, which were not fully reviewed.

Key facts

Closing

Wed 4 Nov 2026, 10:00 am
Tenders close 4 November 2026 at 10:00 (portal, invitation and Tender Data Sheet). Late tenders are rejected. P

Bid / tender security

Bid bond of KSh 102,000 valid for 150 days from opening. Form: tender security (cash, bank guarantee, insurance guarantee or CBK-licensed institution guarantee) or tender-securing declaration on the Section IV form. Security must stay valid 30 days beyond tender validity. D2 p.23

Tender fee

Not stated in the documents we reviewed Not stated D2 p.2

Site visit

Optional
TDS says no pre-arranged site visit (N/A); ITT 5.2 says a site visit is encouraged at the tenderer's own cost. The form template shows a mandatory site visit with automatic disqualification, with fields blank. Confirm with the entity in writing. Conflicting D2 p.22

Pre-bid meeting

Optional
No pre-tender meeting is scheduled (N/A). Written questions must reach the entity by the deadline in TDS ITT 7.3, which reads 30 NOV 2026, after the closing date. See conflicts. D2 p.22

Reserved for

Open tender. The Tender Data Sheet says the invitation is extended to the OPEN group, not a reserved group. The notice tender number carries AGPO. See conflicts. Conflicting D2 p.23

Contract value

Not stated in the documents we reviewed Not stated D2 p.2

Tender opening

Public opening immediately after the deadline, at NG-CDF Naivasha Offices, Inside Deputy County Commissioner Naivasha Office Ground. Tenderers or their representatives may attend. D2 p.23

Tender validity

Tenders must remain valid for 150 days from the date of opening (TDS and notice). The invitation says 210 days. See conflicts. Conflicting D2 p.23

Who can apply

• Tendering is open to all. No reserved group applies according to the Tender Data Sheet. D2 p.2
• Notice requires valid NCA registration, category 8 and above for building works, with a current annual practicing licence. ITT 3.12 says NCA registration is a condition of award, not of tender. See conflicts. Conflicting D1 p.1
• A Kenyan tenderer must show it has met its tax obligations by producing a valid tax compliance certificate or tax exemption certificate issued by the Kenya Revenue Authority. D2 p.7
• Foreign tenderers must source at least 40% of contract inputs from citizen suppliers and contractors. A tenderer is treated as foreign if registered in Kenya with less than 51% Kenyan ownership, or if it subcontracts more than 10% of the contract price to foreign firms or individuals. Standard rule D2 p.7

Application checklist

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

Required from every bidder

• Proof of business incorporation or registration. D1 p.1
• Current tax clearance certificate or tax exemption certificate from KRA (valid Tax Compliance Certificate). D1 p.1
• Valid PIN certificate. D2 p.26
• Valid copy of trading licence or business permit. D1 p.1
• Valid NCA registration certificate (category 8 and above) and valid NCA practicing licence for building works. D2 p.25
• Copy of the company's list of directors, beneficial owners, or partners (CR12), not more than one year old. Sole proprietors do not attach a CR12 but must attach ID copies of the proprietor. D1 p.1
• Form of Tender on letterhead showing the tenderer's complete name and business address, fully filled, signed and stamped. D1 p.1
• Confidential Business Questionnaire, Certificate of Independent Tender Determination, and Self Declaration forms, all signed and stamped. D1 p.1
• Self-Declaration Forms SD1 and SD2, duly filled, signed and stamped. D2 p.26
• Tenderer Information Form, duly filled, signed and stamped. D2 p.26
• Declaration and commitment to the Code of Ethics, signed and stamped by authorized personnel. D2 p.26
• Signed and stamped statement that the firm is not debarred from public procurement, commissioned by a Commissioner for Oaths. D1 p.1
• Declaration that the firm has not been convicted of corrupt or fraudulent practices and will not engage in them. D1 p.1
• Tender must be serialized in sequence 1,2,3 from cover page to last page including attachments, tape bound, in the order and pages provided, with pagination starting from the first page. D1 p.1
• Written power of attorney from a Commissioner of Oaths authorizing the person who signs the tender. D2 p.23

Required only in some situations

• Joint Venture Agreement by all members, or a letter of intent to sign one together with the proposed JV Agreement. Change of JV membership or conditions before contract signature can lead to disqualification. Standard rule D2 p.10
• Joint Ventures (JV) Members Information form, duly filled, signed and stamped. D2 p.26

Experience, licences and financial capacity

Technical

• Technical proposal with statement of work methods, equipment, personnel and schedule, sufficient to show the work can meet requirements and completion time. Standard rule D2 p.11
• Scored on 100 points, pass mark 70. Key personnel (up to 20 points): a director with an engineering degree, diploma, certificate or test certificate; at least one degree or diploma holder; at least one Grade III certificate holder; at least two artisans with trade test certificates. D2 p.27
• Contracts completed in the last three years (up to 3 projects, evidence required), scored up to 18 points: 19 for similar nature, complexity or magnitude; 10 for similar nature but lower value; 0 if none. Table headings in the same section refer to five years. See conflicts. Conflicting D2 p.27
• On-going projects in Naivasha Constituency (scored up to 30): table gives 10 points if any similar ongoing project and 30 points if none. D2 p.27
• Equipment and transport, scored up to 10 points: pick-up or lorry (5 points) and concrete mixer and vibrator (5 points), with log books, lease agreements or receipts as proof. D2 p.27
• Litigation history, scored 10 points: 10 for a duly filled form with no complaint, 0 if not filled or with complaint. D2 p.28

Financial

• Audited financial reports for the last three years (2024, 2023, 2022), scored up to 5 points: average annual turnover at least equal to project cost gets 5; 50% to under 100% gets 3; below 50% gets 2. D2 p.28
• Evidence of financial resources, scored up to 5 points: resources for projected monthly cash flow for three months gets 5; equal to monthly cash flow gets 3; less gets 1; none indicated gets 0. D2 p.28
• Prices are fixed and not subject to adjustment during the contract. D2 p.23
• Prices must be in Kenya Shillings and include all taxes. D2 p.2

How and where to submit

• Written hard-copy tender only, delivered to the NG-CDF Naivasha Office tender box, Inside Deputy County Commissioner Naivasha Office Ground. Electronic submission not permitted. D2 p.2
• Sealed tender in plain envelope addressed to: Fund Account Manager, Naivasha NG-CDF, P.O. Box 1918-20117, Naivasha. D1 p.2
• Tenderers shall not submit tenders electronically. D2 p.23
• Originals only; no additional copies are requested. D2 p.23

Lots and categories

• Multiple lots or contracts are not applicable to this tender. D2 p.29

What the addenda changed

• Addendum A1 dated 2026-10-28 is listed on the portal as BILL OF QUANTITIES. The reviewed copy (D3) is a priced BOQ for a different project (single laboratory at Ndabibi Central Primary School, June 2026). Its effect on this tender is unverified. Conflicting A1

Not covered in the documents we reviewed

• Tender document fee or payment terms, if any
• Contract value or cost estimate, and the minimum turnover, financial resources and contract amounts (blank in Section III)
• Correct Bill of Quantities and specifications for this project; addendum A1 content
• Full Section III qualification form details (number of similar contracts, required years, litigation/performance periods)
• Whether a site visit or pre-tender meeting is compulsory
• Performance security requirements and the form of contract (Section VIII to X)
• Drawings and technical specifications (Section VI and VII)
• Confirmation of the correct tender number and whether the tender is reserved
• Correct tender validity and questions deadline

Terms explained

TDS

Tender Data Sheet: the tender-specific rules that override the general Instructions to Tenderers.

ITT

Instructions to Tenderers: the standard rules in the tender document that apply to all bidders.

AGPO

Affirmative action groups (youth, women, persons with disability) that may have reserved tenders.

NCA

National Construction Authority, which registers contractors by category and issues practicing licences.

CR12

Company return from the Registrar listing directors, shareholders or partners.

Tender security / bid bond

Financial guarantee submitted with the tender, forfeited if a bidder withdraws or refuses to sign.

Tender-securing declaration

A signed declaration on the official form that replaces a bank guarantee where the document allows it.

Responsive / non-responsive

A responsive tender meets all mandatory requirements. A non-responsive tender is rejected at the preliminary stage.

BOQ

Bill of Quantities: the priced list of works items and quantities that bidders must price.

JV

Joint Venture: two or more firms bidding together under a written JV agreement.

PIN

KRA tax registration number, which must be valid for tendering.

SD1 / SD2 / CBQ

Self-declaration and Confidential Business Questionnaire forms required by the entity.

Lowest evaluated tender

The tender that passes qualification criteria and is responsive, with the lowest evaluated price.

Standstill period

Period of 14 days after notice of intention to award in which unsuccessful bidders may complain before contract signature.