Castletroy WwTP, Co. Limerick
The overall scope of this project was to replace the existing surface aerators with a Fine Bubble Diffused Aeration System to cater for a design population of 35,000 PE.
We completed every stage of the design, construction, installation and commissioning for this project with the following overall scope:
- Removal of existing aeration equipment.
- Fully functional fine bubble diffused aeration (FBDA) system on stainless steel removable grids
- Stainless steel piping
- Design, manufacture and installation of 4 no. bridges to provide access for all valves on FBDA System
- Five no. blowers Aerzen Hybrid D24S positive displacement blowers
- Complete mechanical and electrical installation
- Adjustments to existing electrical system and PLC/SCADA to cater for new FBDA system
- Testing and commissioning
In addition to the FBDA contract, Conway Engineering also completed the following ancillary works:
- Removal of existing stairs and handrailing on both aeration tanks to replace with triple height to 1200mm hand railing and new stairs so as to adhere to H&S regulations
- Supply and M&E installation of 2 no. step screens. Manufacture and installation of horizontal screw conveyor to complete screening system at inlet works
- Refurbishment of Jones Atwood 900 series grit removal system to put back into operation
- Refurbishment of Salsnes Filter to put back into operation including M&E installation of corresponding pump and air blower
