The scope included installation of approximately 313 metres of 375–450mm diameter drainage pipeline and associated drainage pits, comprising 213 metres of engineered shoring and 100 metres of microtunnelled pipeline beneath and adjacent to the rail corridor.

Works were undertaken within a live rail environment, requiring coordination with rail operations and delivery under controlled access windows.

Construction is was carried out in alignment with client and rail requirements, with controlled planning and risk management ensuring safe execution and continuity of rail operations.