Lift and escalator installation work

Tender description

The proposed development at the warehouse of the National Archives of Ireland, Dublin 8, comprising approx. gross floor area of 5 200 m2, consists of the construction of ground and new first floor archive repository accommodation and circulation areas, with climate control and fire protection. Construction will take place within the existing warehouse walls and roof. The existing floor slab will be removed and replaced by new foundations and floor slab at finished floor level of the existing ground floor. The structure will be a self-supporting in-situ reinforced concrete framework. Vertical circulation between ground floor and first floor will be provided via four separate stair cores and 2 separate lifts. 2 of the four stair cores will be continued to the attic space to facilitate maintenance access. Lift access to the attic is not proposed. The National Archives of Ireland holds official State documents and records for preservation. The documents are kept at buildings in Bishop Street, Dublin 8 where there are public reading rooms and storage facilities for the documents. There are 2 distinct buildings on the site, an office block where the reading rooms, staff offices and some storage are housed and an adjoining warehouse for the storage of the archives. The National Archives will continue to be occupied and operate during the construction period. The proposed development, comprising approx. gross floor area of 5 200 m2, consists of the construction of ground and new first floor archive repository accommodation and circulation areas, with climate control and fire protection. Construction will take place within the existing warehouse walls and roof. The existing floor slab will be removed and replaced by new foundations and floor slab at finished floor level of the existing ground floor. The structure will be a self-supporting in-situ reinforced concrete framework. Vertical circulation between ground floor and first floor will be provided via 4 separate stair cores and 2 separate lifts. Two of the 4 stair cores will be continued to the attic space to facilitate maintenance access. Lift access to the attic is not proposed. The only external works are the replacement of clerestory windows, the widening of an existing escape door and the addition of one escape door, both onto Bride Street. An existing wall with door onto the car park to the East of the warehouse will be widened to accommodate access during the construction period and reversed to reinstate the existing wall and door. A mobile racking shelving system will be installed under a separate contract.