Pipes, valves & fi ttings B
ound to tight deadlines and heavy costs, contractors dealt with perpetual pressure to deliver quickly and effi ciently without
compromising on quality. And when the whistle blew on the fi rst game to be hosted in the stadium, against Crystal Palace on Wednesday 3rd April in the FA Premier League, the noise from the stands was testament to that commitment to quality. Unique in many ways, it is the UK’s fi rst cashless stadium and contains the nation’s largest single- tier stand, holding 17,500 people. It has two of the largest LED-screens in Western Europe and what is believed to be Europe’s longest bar at 65 metres. It also contains a retractable pitch which can switch from grass to an artifi cial surface, that can be used for NFL events and concerts, in just 25 minutes. And with such an array of accolades, Victaulic, the global manufacturing leader of mechanical pipe joining systems, a part of the project.
The team
Mechanical services company Price Building oversaw the installation of the district heating, all chilled mechanical pipe works and the boosted cold- water service, which included over 20 pump sets overall. Led by project manager Harry Brown, and having been commissioned in October and started in December 2016, the installation involved in excess of 170 team members. Victaulic’s grooved mechanical pipe joining technology made it the perfect project partner. It provided the fi ttings, 627 check and butterfl y valves, and in excess of 10,000 couplings that were installed during the construction and helped to ensure the reliable and convenient installation and management of the cold, heated and chilled water systems that travel around the stadium’s circumference over six fl oors. Considering the scale of the team and the tight project deadlines there was little room for delay. Victaulic’s grooved solutions were vital in ensuring effi ciency. As a fl ame-free method, grooved mechanical pipe-joining removes the many health and safety concerns associated with welding. It eliminates the risk of fi re and the need for special fi re safety precautions during installation and maintenance. Overall, it helped to increase the installation speed and reduce the need for hot works, thus delivering greater onsite safety and reducing cost.
Complexity made easy
It is vital to consider any engineering challenges and how they might be overcome at the project planning stage, and one stand-out challenge was the extremely tight space constraint. Price Building helped mitigate this issue by prefabricating and collaborating very early with the Tottenham team, into whom Price worked directly, to improve on-site effi ciency. This was typifi ed by Victaulic’s pump skid
installation. The team installed 26 grooved skids, avoiding traditional welding techniques, and the only equipment necessary to keep it compact was a suction diff user, which was needed to remove the
16 February 2022
long pipe spool that prevents water hammering in the pump. The Victaulic Style 731-D Suction Diff user enables pipework to be connected closer to the pump at a 90-degree angle. Installing three
grooved fl exible couplings on each side of a pump also enabled noise and vibration attenuation and removed the need for costly, bulky fl anged units and the use of rubber bellows. By eliminating long pipe
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Spurred on to achieve quality and effi ciency
Constructing the modern multi-use stadium is never short of challenges; especially when you’re aiming to top the league of the UK’s most complex and innovative developments. The Tottenham Hotspur Stadium in London was one such example, demanding a fl exible infrastructure and a fi rst-of-its-kind design, all to a world-class standard
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