Pipeline-inspection services

Tender description

Background. Management of the gas pipeline network is a sophisticated 24-hour operation. GNI wish to put in place a framework agreement with suitably experienced and competent service providers, to provide pipeline inspection services to support GNI pipeline safety management. As per PQQ doc. Background. Management of the gas pipeline network is a sophisticated 24-hour operation. GNI wish to put in place a framework agreement with suitably experienced and competent service providers, to provide pipeline inspection services to support GNI pipeline safety management. Overview. It is expected that the successful tenderers will be required to undertake some or all of the below listed services for the networks division of GNI, covering transmission pipelines and installations, and on occasion selected distribution pipelines in the Republic of Ireland. — provision of pipeline inspectors and equipment to supervise excavation works close to GNI Transmission and Distribution pipelines and within GNI installations, — provision of inspectors to carry out surveillance activities over pipeline routes as required, — performing PSR (Pressure System Regulation) inspections on transmission AGI’s, — provision of administration resources to manage the GNI transmission permit system, — carrying out leak survey of transmission network locations, — provision of qualified a non-destructive testing service and inspectors to carry out non-destructive testing, ultrasonic and MPI on pipelines and PRI’s as required for operational and reactive issues, — provision of experienced management agents to manage all aspects of the GNI inspection works, — carrying out surveys on transmission watercourse crossings, — provision of pipeline inspectors to participate in out of hours standby rota for excavation supervision or surveillance where necessary, — provision of qualified welding inspectors and equipment to supervise welding works on pipelines and within PRI’s as required for operational and reactive issues, — provision of inspectors to carry out rural line walks of transmission cross country pipeline routes.