Description of the procurement
Provision of a compact grade-separated junction on the N17 national road at Lisduff, Claremorris, Co Mayo.
The proposed grade-separated junction will facilitate all traffic movements between N17 National Primary road, R320 Regional Road and L5565-0 Meelick More Road and includes the following:
- Provision of overbridge over existing N17;
- Realignment of existing N17 West / R320 junction;
- Provision of N17 East junction with compact connector road to proposed eastern roundabout;
- Provision of 0.31 km link road including overbridge between existing R320 regional road and proposed eastern roundabout;
- Provision of 0.54 km link to L5565-0 Meelick More Road;
- Provision of 2 no. roundabouts, on existing R320 Regional Road and at junction of N17 East compact connector, L5565-0 Link and R320 Link;
- Provision of local collector road for properties on L5565-0 Meelick More Road with a junction on realigned L5565-0 road, and
- Closure of the existing N17 / L-5565-0 Meelick More Road junction.
The Works will include, but are not limited to the following;
- Erection of site offices, establishment of site compounds, welfare facilities and the like;
- Site clearance;
- Erection of boundary fencing in and adjacent to properties;
- Installation of vehicle restraint systems;
- Installation of drainage systems, including attenuation ponds, culverts, headwalls and outfalls;
- Earthworks, including excavation and disposal of unacceptable material;
- Pavement works;
- Kerbs, footways and paved areas;
- Public lighting at the two roundabouts
- Installation of signs, road markings and associated equipment;
- Accommodation works including construction of vehicular accesses and ancillary accommodation works;
- Landscaping works;
- Diversion of services/utilities;
- Environmental mitigation measures;
- Traffic management and other ancillary works.
The works will involve working on and adjacent to a live National Road (N17)