Transport Infrastructure Ireland (TII) intends to procure independent environmental monitoring services in support of the MetroLink Programme. The M160 Environmental Monitoring Contract will establish a robust, continuous and auditable environmental monitoring regime to support statutory compliance, environmental protection and stakeholder assurance throughout the lifecycle of the M100 Advanced Works and the Main Contract Works. The contract will be procured as a NEC4 Term Service Contract using the Negotiated Procedure with Prior Call for Competition pursuant to SI 286/2016. All organisations wishing to participate in the procurement for "MetroLink – Environmental Monitoring Services” should register at Metrolink e-Sourcing Portal https://metrolink.app.jaggaer.com/ Upon the completion of the registration, please navigate to "PQQs/ITTs Open to All Suppliers" tab on the Main Dashboard, locate PQQ for “MetroLink – Environmental Monitoring Services", express an interest and submit a response. All clarification queries in relation to this procurement must be submitted via the Metrolink e-Sourcing portal.