Construction of Drainage Structures for Dar es Salaam City — DUTP Project

THE UNITED REPUBLIC OF TANZANIA MINISTRY OF WORKS TANZANIA NATIONAL ROADS AGENCY DAR ES SALAAM URBAN TRANSPORT IMPROVEMENT PROJECT (DUTP) CREDIT NO.: 5958-TZ REQUEST FOR BIDS FOR CONSTRUCTION OF DAR ES SALAAM BUS RAPID TRANSIT (BRT) INFRASTRUCTURE PHASE 4, CONSTRUCTION OF DRAINAGE STRUCTURES TO ALLEVIATE FLOODING PROBLEM AT BOKO BASIHAYA AREA. RFB No: AE/001/2025-2026/HQ/W/39 (TZ-TANROADS-534896-CW-RFB) This request for bids follows the General Procurement Notice for the Dar es Salaam Urban Transport Improvement Project (DUTP) that appeared in the UN Development Business Online on December 31, 2015. The Government of the United Republic of Tanzania has received financing from the World Bank toward the cost of the Dar es Salaam Urban Transport Improvement Project (DUTP), Project and intends to apply part of the proceeds toward payments under the contract for Construction of Dar es Salaam Bus Rapid Transit (BRT) Infrastructure Phase 4, Phase B: Construction of Drainage Structures to Alleviate Flooding Problem at Boko Basihaya Area. The Tanzania National Roads Agency the Implementing Agency (TANROADS) now invites sealed Bids from eligible Bidders for construction of drainage channels: open culverts and concrete pipe culverts and HDEP pipe culverts. The Works consist of the construction of stormwater and Drainage Channels along Bagamoyo road in areas starting from Tegeta, Nyaishozi, Msikitini and Basihaya. The estimated quantities for major works for Package ‘B’ – Boko BASIHAYA Flooding Area are as follows: |

S/N |

DESCRIPTION |

UNIT |

QUANTITIES |

1 |

Excavation for structures, HDPE pipe and open drains |

m3 |

181,339 |

2 |

Fill and improved subgrade layer, G15 |

m3 |

15,668 |

3 |

Fill and improved subgrade layer, G7 |

m3 |

13,382 |

4 |

Fill and improved subgrade layer, G3 |

m3 |

35,465 |

5 |

Galvanized gabion; 2×1×0.5 m deep |

m3 |

1,890 |

6 |

Galvanized gabion; 1×1×1 m deep |

m3 |

3,150 |

7 |

Concrete Pipe Culvert; 600 mm diameter |

m |

2,100 |

8 |

Concrete Pipe Culvert; 900 mm diameter |

m |

1,200 |

9 |

Steel Reinforcements |

tonnes |

859 |

10 |

Concrete Class 15 |

m3 |

1,616 |

11 |

Concrete Class 20 |

m3 |

21 |

12 |

Concrete Class 25 |

m3 |

17,580 |

13 |

Stabilised Subbase Layer, Material Class C1 |

m3 |

1,769 |

14 |

Cement for Stabilisation |

tonnes |

117 |

15 |

Crushed Aggregate, Class CRR |

m3 |

1,060 |

16 |

Asphalt Concrete Surfacing SP 12.5 |

m3 |

77 |

17 |

Bitumen, PG70-10 |

tonnes |

10 |

18 |

2/1800 HDPE pipe Culvert |

m |

4,839 |

19 |

3/1800 HDPE pipe Culvert |

m |

1,789 |

20 |

Rock fills |

m3 |

1,273 Bidding will be conducted through international competitive procurement using Request for Bids (RFB) as specified in the World Bank’s “Procurement Regulations for IPF Borrowers- Procurement in Investment Projects Financing” Seventh Edition dated September 2025 (“Procurement Regulations”), and is open to all eligible Bidders as defined in the Procurement Regulations. Bidders should note that to qualify for award of the contract they are required to meet certain minimum qualifying criteria as provided in Section III: Evaluation and Qualification Criteria (without Prequalification Criteria) of the Bidding Document which includes; • • Experience as prime contractor they should have successfully completed at least two (2) contracts of similar nature and complexity within the last ten (10) years, each of minimum value USD 17 million or one contract with minimum value of USD34 million; • Average Annual Turnover of USD 37 million calculated as total certified payments received for contracts in progress or completed, within the last five (5) years, divided by 5 years; • Minimum amount of liquid assets and/or credit facilities net of other contractual commitments of USD 6 million; and • Further details and complete qualification requirements are provided in the Bidding Documents. Bidders should also note that the works must be completed within Fourteen (14) months inclusive of three (3) months mobilization period. Bids will be evaluated in accordance with the evaluation process set out in the bidding documents. The following weightings shall apply for Rated Criteria (including technical and non-price factors): 50% and for Bid cost: 50%. Interested eligible Bidders may obtain further information from the Secretary, TANROADS Headquarters Tender Board 10 Shaaban Robert Road/Garden Avenue Junction 2nd Floor, Room No. 44 Dar es Salaam, Tanzania Telephone: +255-22-29266001/6, Fax: +255-22-2926011 Email: pmu@tanroads.go.tz and inspect the Bidding document during office hours between 0900 to 1600 hours local time at the address given below from Monday to Friday, except on public holidays. The Bidding document in English Language may be purchased by interested eligible Bidders upon the submission of a written application to the address below and upon payment of a nonrefundable fee of TZS 500,000.00 or in a freely convertible currency. The method of payment will be through the Control Number to be provided by TANROADS. Please request a control number through mail address: prisca.kombo@tanroads.go.tz copied to pmu@tanroads.go.tz after getting the control number, follow procedures outlines in this link https://epay.gepg.go.tz/ to make payment and follow up your receipt via emails provided or direct deposit or telegraphic transfer to the TANROADS bank account. Details of the Bank Account will be made available to Bidders upon request to the Secretary TANROADS HQ Tender Board, 2nd Floor, 10 Shaaban Robert Road/Garden Avenue Junction, Dar es Salaam. Telephone: +255 255 22 2926001-6. Bids must be delivered to the address below on or before 10:00am local time on 23rd April 2026. Electronic bidding will not be permitted. Late Bids will be rejected. The outer Bid envelopes marked “ORIGINAL BID”, and the inner envelopes marked “TECHNICAL PART” will be publicly opened in the presence of the Bidders’ designated representatives and anyone who chooses to attend, at the address below on 2nd Floor, Room No. 44, TANROADS Headquarters, 10 Shaaban Robert Road/Garden Avenue Junction, Dar es Salaam, 10:00am local time on 2nd April 2026. All envelopes marked “FINANCIAL PART” shall remain unopened and will be held in safe custody of the Employer until the second public Bid opening. All Bids must be accompanied by a: (i) Bid-Securing Declaration, of and (ii) Local Labour Method Statement. Attention is drawn to the Procurement Regulations requiring the Borrower to disclose information on the successful bidder’s beneficial ownership, as part of the Contract Award Notice, using the Beneficial Ownership Disclosure Form as included in the bidding document The address (es) referred to above is (are): Tanzania National Roads Agency, Attn: The Secretary, TANROADS Headquarters Tender Board, 2nd Floor, 10 Shaaban Robert Road/Garden Avenue Junction, P. O. Box 11364, Dar es Salaam. Telephone: +255222926001-6, Fax: +2552229211/2/3/4, Email: tanroadshq@tanroads.go.tz Website: www.tanroads.go.tz THE CHIEF EXECUTIVE TANZANIA NATIONAL ROADS AGENCY (TANROADS