Railway bridge construction work

Tender description

Iarnrod Éireann (IÉ) wish to pre-qualify experienced and proven companies to tender for the construction of a new underbridge (UBC43A) at 18 miles 880 yards on the Dublin-Cork railway line. The project will be carried out by Iarnród Éireann as enabling works for Kildare County Council to facilitate the construction of the combined M7 Osberstown Interchange and R407 Sallins Bypass Scheme. The proposed R407 Sallins Bypass, a dual carriageway, will cross under the Cork Line at 18 miles 880 yards for which a new under-bridge is to be constructed to accommodate same. A full railway shut-down for 84-hours over the Easter period 2018 will be in place to facilitate installation of the bridge units and wing-wall units. The proposed construction duration will be 12 months. A Pre-Qualification Questionnaire, and drawings to provide some overview information regarding the scope of the works as currently anticipated, are both attached to this notice. Iarnrod Éireann (IÉ) wish to pre-qualify experienced and proven companies to tender for the construction of a new underbridge (UBC43A) at 18 miles 880 yards on the Dublin-Cork railway line. The project will be carried out by Iarnród Éireann as enabling works for Kildare County Council to facilitate the construction of the combined M7 Osberstown Interchange and R407 Sallins Bypass Scheme. The proposed R407 Sallins Bypass, a dual carriageway, will cross under the Cork Line at 18 miles 880 yards for which a new under-bridge is to be constructed to accommodate same. The scope of works will include but is not limited to the following: — Installation of rock socketed contiguous /secant piles and mini-piles to form the temporary works zone to facilitate excavation of the railway embankment and installation of the proposed pre-cast concrete units forming the twin-box structure. — Supply and/or construction of pre-cast concrete units and installation of dual underpass structure (internal dimension for each underpass segmental unit is 10.8 m wide x 5.88 m high with floor, wall and roof thickness of 800 mm). — Associated fill to structures; — Pre-cast wing-wall structures; — Associated drainage works; — Numerous services diversions including signalling and esat cables. A full railway shut-down for 84-hours over the Easter period 2018 will be in place to facilitate installation of the bridge units and wing-wall units. The proposed construction duration will be 12 months. A Pre-Qualification Questionnaire, and drawings to provide some overview information regarding the scope of the works as currently anticipated, are both attached to this notice.