Revised Firewater Retention Tank and Balance Tank at Abbvie, Castlebar Road (N5) Carrowbeg Westport

Proposed development

The development will consist of: 1) Revised Firewater Retention (FWR) Tank and Balance Tank, including construction of a reshaped open top concrete tank (approx. 50 m × 56 m with a chamfered corner), depths of 4.0–6.25 m, partially recessed into the ground, and raised to a revised top of wall level of 45.675 m AOD with max height above ground level of 4.275m. An internal 18.6 m diameter, 1,000 m³ process water balance tank will be constructed within the FWR tank with max height above ground level of 4.275m; 2) Repositioning of a new below ground FWR collection sump and a 20 m × 10 m × 4.4 m high lifting station, pumping firewater over the tank wall, together with associated firewater drainage connections; 3) Repositioning of a new single storey FWR Utilities Building, approx. 9.6 m × 7.3 m and 4.72 m high; 4) A new 10 m × 5 m x 3.8m high Dosing Station with two external tanks; 5) A new below ground Discharge Chamber, approx. 13 m × 3 m, for controlled diversion and management of firewater runoff; 6) A new below ground Tanker Parking Bay, approx. 13.5 m × 3.5 m, for compliant tanker loading/unloading; and 7) All associated site development works, including modifications to existing plant, equipment, pipe bridges, underground services, internal access roads, footpaths, hardstanding areas, lay down areas, and external lighting.

Planning status

The application has been lodged and validated. The council has eight weeks to decide, unless it asks for further information. The council's decision is due by 26 Nov 2026.

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