Sligo Main Drainage


Client: Sligo County Council
Location: Sligo, Ireland
Value: €45 Million
Scope: Stage (i) to (v) including PSDP



Project Management including technical assistance to the Contracting Authority for Application for Cohesion Funding involving feasibility studies, project design, preparation of tender documents, contract administration and works supervision as Contract Engineer for the provision of wastewater collection, treatment and disposal for the city of Sligo and a number of residential areas in the Garavogue river basin catchment area.

Waste treatment capacity of 45,700 cu. m/day involves pumping at inlet works, screening, grit removal, flow measuring and sampling at inlet works, primary settlement, biological treatment using activated sludge, secondary settlement, treated effluent measurement and sampling for a population equivalent of 160,000. The WWTP also treats sludge from outlying WWTP’s and produces a fertiliser biosolid product. The standard of treatment is achieved in accordance with Table 1, Annex 1 of Directive 91/271/EEC.