Detailed Design, Construction Administration and Project Handover of all scheme works, as approved or modified by An Coimisiún Pleanála. Approximately 2.0 km of new single carriageway mobility corridor extending from the R403 Clane Road to the R405 Hazelhatch Road, incorporating high quality active travel provision throughout. A new 66m long clear span bridge crossing of the River Liffey, designed in accordance with relevant Eurocodes and OPW requirements, with no in stream works required. Segregated footpaths and cycle facilities provided along the full length of the route, including: 2.0m wide one way cycle tracks and 2.0 m wide footpaths on both sides of the carriageway for the majority of the corridor; and a 3.0 m wide two way cycle track and footpath on constrained sections approaching Hazelhatch and Celbridge Train Station. New and upgraded junctions including signalised junctions at the R403 Clane Road, Newtown Road and R405 Hazelhatch Road, together with a priority junction at Simmonstown Manor Road and improvements to the Loughlinstown Road roundabout. Public lighting, drainage and SuDS infrastructure, including roadside drainage systems and attenuation features designed to limit discharge to greenfield run off rates and improve existing flood risk conditions. Landscaping, planting and biodiversity measures, including native species woodland and hedgerow planting, tree planting and integration of sustainable drainage features, delivering a net biodiversity gain along the corridor. Utility diversions, protections and accommodation works, including foul and surface water drainage infrastructure, watermains, ESB, Gas Networks and telecommunications assets, as required to facilitate delivery of the scheme. The Consultant shall undertake an Infrastructure Review in conjunction with Kildare County Council, relevant utility providers and other key stakeholders. All environmental mitigation, monitoring and reporting required under the Appropriate Assessment process, Natura Impact Statement, Flood Risk Assessment, and associated environmental and technical assessments accompanying the Section 177AE application. Please ensure you ASSOCIATE your company with this competition in order to seek and receive clarifications. Tenderers must upload their submissions in a zipped file format.