Project: Agri-Industrial Facility for Northway Mushrooms Ltd in Ballygawley, Co Tyrone.

Dates: 2017 to mid-2018

Clients: Northway Mushrooms Ltd & GTL Europe (based in the Netherlands).

Large scale facility for the production of compost for mushroom growing.

Phase 1 composting bunker building consisting of 5no. reinforced concrete bunkers 9mx9m in section x 55m long opening into a 30metre clear span filling hall 80metres long x 13m high. Climate corridor for housing of air handling plant feeding into each bunker. Adjacent Scrubber room & bio-bed buildings for removal of odours and cleaning of waste air.

Phase 2 composting building connected at high level via conveyors to the Phase 1 building for further processing of the compost. 105m x75m clad building x13metres high max, with duo-pitch roof covering 21no ‘tunnels’ 4.0m wide x 4.5m high x 43m long for processing of compost, opening into a 17m wide clear span filling hall and a 13m wide clear span emptying hall with full length 105m truck pit set down for loading of lorries from the high-level conveyors. The building also incorporates a two storey 9m x 43m long ancillary services area including offices, canteen, lockers, toilets & plant rooms. Lift access provided to the upper storey.

Site situated on poor made ground & silt. 1100 no. precast concrete piles used for the buildings & ground improvement by cement stabilisation for some external yard areas. The buildings required 8000cum approx.. of reinforced concrete, approximately 4000cum each and 650 tonnes of galvanised structural steel.

Barrett Mahony acted as the civil & structural consulting engineer on the project as well as the lead consultant.

Turner Townsend, Northern Ireland office were Project Managers & Q.S.

Main contractor: McAleer & Teague Ltd, Dromore, Co.Tyrone.