North Roscommon Water Treatment Plant , Lough Gara , Frenchpark

Permission for development as follows:- • A powdered activated carbon contact tank. The tank will be constructed in pre-cast concrete and will be located at the back of the site behind existing buildings. The tank will be 10.6 metres in diameter and walls will extend 5 meters above existing ground level. • A new 39m3 Aluminium Sulphate Bulk Storage Tank with integrated Bund located to the East of the existing Treatment Plant Building. The tank will be constructed in Black Polypropylene with maximum diameter of 3.7m and height above existing ground level of 6.65m (Top of proposed tank = 79.086mOD, Parapet level of adjacent existing Building = 79.825mOD) • Conversion of existing Reinforced Concrete Aluminium Sulphate storage bund into Powdered Activated Carbon Store by addition of a Steel Framed Cladded superstructure. Maximum height of Structure = 77.553mOD (6.5m above existing ground level), Parapet level of adjacent existing Building = 79.825mOD. Retention of: • Retention of existing underground Wash Water Settling Tank and Pump Sump. The tank is an underground structure that has a 13.80m internal diameter and is 4.5m deep. The adjacent pump sump is also an underground structure with a 2.3m internal diameter and is 4m deep. • Retention of existing UV underground concrete chamber with an over ground portal frame building. The underground chamber is 5.5m x 3.75m in plan and 3m deep. The over ground building is 6.11m x 4.36m in plan and 3.142m high. • Retention of 2 No. Sodium Hydroxide integrally bunded storage tanks. The tanks are 3.8m in diameter and 4.16m high. • Retention of Sodium Hypochlorite integrally bunded storage tank. The tank is 3.5m in diameter and 3.406m high. • Retention of Sulphuric acid integrally bunded storage tank. The tank is 3.8m in diameter and 4.58m high. • Retention of underground waste water recovery concrete sump and valve chamber. The sump has an 8000 gallon capacity.

Reference: 17199