15/105 - Blanchardstown Regional Drainage Scheme (BRDS) 9C Sewer Duplication and Storage

• Approximately 3.2km of pipeline (diameters ranging from approximately 1500mm to 1800mm) installed using trenchless techniques • Underground storage tanks with an approximate total capacity of 30,000m3 to cater for stormwater flows and flow balancing • New Pump Station to lift flows (approximately 350l/s) from the proposed sewer to the existing sewer • Stormwater return pumps to return flows from the storage tanks to the existing 9C Sewer (approximately 320/ls) • Diversion of the existing live 1200mm diam. 9C sewer whilst maintaining normal operational conditions and diversion of a live 12” asbestos cement watermain. • Control building to house all electrical switchgear, control equipment, an odour control unit, a generator room and an ESB sub-station • Provision of a SCADA and telemetry system • Associated Siteworks and Landscaping Works • Operation Service for newly constructed pumping station, storage tanks and associated elements, commissioned and operational but not yet taken over by the Employer (minimum 24 months with an option to extend to 48 months) • Undertaking role of PSDP and PSCS; • Undertaking the role of Design Certifier, Ancillary Certifier and Builder in accordance with the Building Control Regulations 2014.

14/04/2016 12:00:00

41120000-6  Non-drinking water
45221247-5  Tunnelling works
45231100-6  General construction work for pipelines
45231300-8  Construction work for water and sewage pipelines
45232423-3  Sewage pumping stations construction work
45247270-3  Reservoir construction works
45315100-9  Electrical engineering installation works
45351000-2  Mechanical engineering installation works