Procurements: Undersea tunnel construction work
2 archived procurements
Undersea tunnel construction work have been procured by organizations such as Bord Gais Eireann/ Ervia, and Dublin City Council.
Recent procurements of undersea tunnel construction work in Ireland
2014-08-28
Cork Lower Harbour Main Drainage Scheme — Directional Drill Estuary Crossing (Bord Gais Eireann/ Ervia)
Irish Water is undertaking the Cork Lower Harbour Main Drainage Scheme to provide waste-water collection storage and treatment for the catchment area which includes the towns of Cobh, Passage West, Monkstown, Ringaskiddy, and Carrigaline and adjoining areas. The project is divided into several contracts, the contract described herein is for the provision, trenchless laying and testing of 2 no. new 400 mm diameter nominal bore, 1 400 m long gravity sewer pipes beneath a 1 km wide body of open tidal … View the procurement »
Irish Water is undertaking the Cork Lower Harbour Main Drainage Scheme to provide waste-water collection storage and treatment for the catchment area which includes the towns of Cobh, Passage West, Monkstown, Ringaskiddy, and Carrigaline and adjoining areas. The project is divided into several contracts, the contract described herein is for the provision, trenchless laying and testing of 2 no. new 400 mm diameter nominal bore, 1 400 m long gravity sewer pipes beneath a 1 km wide body of open tidal … View the procurement »
2012-12-21
Ringsend Waste Water Treatment Works Extension Project - Long Sea Outfall Tunnel (Dublin City Council)
The design and construction/execution of a ‘treated effluent' marine outfall system from the Ringsend Waste Water Treatment Works (WwTW) to the Irish Sea in Dublin Bay including: - A c. 9 km Long Sea Outfall Tunnel (LSOT), c. 5m internal diameter, constructed in bedrock; - An inlet shaft located onshore with an internal diameter of c. 20 m and up to 110 m deep. - A c. 4 m diameter offshore marine riser shaft terminating in a ‘treated effluent' diffuser head structure located in marine water depths of 25 … View the procurement »
The design and construction/execution of a ‘treated effluent' marine outfall system from the Ringsend Waste Water Treatment Works (WwTW) to the Irish Sea in Dublin Bay including: - A c. 9 km Long Sea Outfall Tunnel (LSOT), c. 5m internal diameter, constructed in bedrock; - An inlet shaft located onshore with an internal diameter of c. 20 m and up to 110 m deep. - A c. 4 m diameter offshore marine riser shaft terminating in a ‘treated effluent' diffuser head structure located in marine water depths of 25 … View the procurement »