Technical certification support for HS2 wiring consist procurement.
Colas Rail UK seeks specialist technical support for a Wiring Consist used in HS2 overhead contact line installation. The consist includes two powered modules: a wiring module with four-cable wiring and capstans, and a stringing platform with an elevating/rotating platform. The contractor will assess operational and certification strategies, identify UK legislative and compliance requirements, develop a technical specification for procurement, define certification processes, and provide support during manufacturer engagement. The work follows Colas Rail's CR2 Professional Services Agreement with HS2-specific provisions. Tenders due by 23 July 2026 via email.