Description of the procurement
The contract consists of the design and build of several elements to facilitate the regionalisation of the water supply schemes, and may include the following works:
1) Upgrading of existing (live) water treatment plants at Ballyhilty (6,5 m/day) and lake cross (1,5 m/day) providing coagulation-flocculation-clarification (CFC) and rapid gravity filtration (RGF) treatment;
2) Construction of new sludge treatment facilities capable of treating sludge from approx. 8Ml/d of treated water;
3) Construction of new reservoirs (total volume ranging from 50 m to 600 m);
4) Construction of approx. 35 km of new water mains (100 โ 200 mm ฯ);
5) Construction of chlorine boosting stations;
6) Construction of network booster pumping stations.
The contract includes an 18 month design build period for the contractor to design, construct and commission the works outlined in brief above.
The contract will include a 12-month operation period, where the contractor will be responsible for the operation of for the Ballyhilty and lake cross water treatment plantโs, after the substantial completion of the design build period.
Full details of the scope of works will be set out in the pre-qualification questionnaire.