Head Contract, for Planning and Design phase one for Commonwealth Avenue bridge renewal project

A later observation replaced this one. The explorer’s totals use $167,058,126.42 from the latest observation, published 9 September 2026.

$165,751,570.82

Full reported contract value · AUD including applicable GST · 2025-03-11 to 2029-01-31

Reporting agency: National Capital Authority
Reported supplier: Seymour Whyte Constructions Pty Ltd
Reported ABN: 48 105 493 187. Exemption as supplied: No.
Category: Professional engineering services
Procurement method: Open tender
Original publication: 2025-03-07 10:48:00 (ACT local time as supplied)
Amendment publication: 2025-12-22 09:31:00 (ACT local time as supplied)
Amendment reason: Execution of option, extension, renewal, or other mechanism outlined when the contract was initially awarded
Agency reference: C25/017
Approach to market / standing offer: A22/045 / Standing offer not supplied
Consultancy: No
Confidentiality as reported: Contract: Yes; outputs: No
Source observation: CN4132901-A3 · Official weekly workbook ending 2025-12-27 · sheet “Contract Notice Export”, row 841.

The original register may now show later corrections. The card and this observation keep the saved source date.