N16 Lugatober (Drumkilsellagh to Lugnagall) – Main Contract Works 2022

Description

The Contract Works will consist of approximately 2.54km road realignment of standard Type 2 single carriageway, forming the N16 National Primary Road (c. 0.79km online and c. 1.75km offline). Junction improvements include one at-grade roundabout and six simple T junctions, including two right/left staggered T Junctions and circa 1.5km of realignment to the existing local road network (tie-in works). The scheme also includes circa 1.5km of Vulnerable Road Users (Unsegregated cycle and pedestrian) tracks located predominately within the mainline verge space, interlinking as necessary with alternative offline routes. There is one 15m clear span river bridge, one Vulnerable Road Users subway underpass, with a number of box culverts and associated diversions of existing minor watercourses and drainage ditches. Earthworks operations include a large embankment of up to c. 18m high and a large cutting up to c. 18m deep, partly in rock, with one soil repository/borrow pit within the scheme extents. Other works include site clearance, fencings and boundary treatment works, accommodation works, road restraint systems, drainage and ducting, pavement, kerbing and paved areas, traffic signs and road markings, road lighting at roundabout and landscaping and other environmental mitigation measures, diversion of services and utilities, and any other works detailed within Volume A of the Works Requirements.