Ireland's Plumbing & Heating Magazine Issue 114 July-August



55 o C. At any given time, the hotel has 4,000 litres of hot water on standby at 50 o C to 55 o C, stored in two stainless steel tanks. The final temperature increase of 10 o C to 60-65 o C (to prevent Legionella growth) was achieved using a gas-fired water heater, significantly reducing gas consumption and extending the longevity of the boilers. Additionally, this approach minimised CO 2 emissions, playing a crucial role in attaining the A2 rating. To overcome challenges posed by the hotel’s close proximity to the River Liffey and the high water table, a bespoke sump pump designed by GlennGorey Pumps was installed in the basement to facilitate effective water extraction. This innovative solution demonstrated the firm’s commitment to problem-solving and contributed to the successful completion of the installation. Throughout the project, Kerrigan Mechanical also collaborated closely with SR Ventilation, Crystal Air, Ashdown Controls and FläktGroup,

amongst others. These partnerships ensured seamless integration of ventilation systems, BMS, fire dampers, ductwork, air conditioning, electrical work, critical alarm systems and sump pump. FläktGroup provided the kitchen supply AHU, extract fan and life safety fan-assisted smoke shaft and worked alongside Kerrigan Mechanical in the commissioning phase to fine-tune the systems, ensuring complete compliance. Commenting on the project, Adam Dent, Contract Manager for Kerrigan Mechanical said, “Delivering the Premier Inn Dublin project on time and within budget while achieving such an exceptional energy rating was a remarkable accomplishment for us. It serves as a testament to Kerrigan Mechanical’s ability to deliver high-quality results within strict constraints. “I would like to thank our own team for working so diligently, as well as the input from our suppliers and partners in the project.

“We are a young and progressive business and we pride ourselves on constructing high performance and energy efficient mechanical solutions, which contribute towards Irelands drive to reach agreed emissions targets by 2030. We are proud to play our small part in this, to ensure that our environmental impact is minimised.” Client: Premier Inn, Gloucester Street South, Dublin Main Contractor: Vision Contracting M+E Consultant: Belton Consulting Engineers M+E Contractor: Kerrigan Mechanical Contracts Manager, Kerrigan Mechanical: Adam Dent PROJECT TEAM...

Unit 3, Athboy Business Park, Trim Road, Athboy, Co. Meath T: +353 (0)46 94 30529



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