Nobel House, Smith Square, London Refurbishment & Reorganisation
Nobel House, Smith Square, London Refurbishment & Reorganisation
Nobel House, Smith Square, London Refurbishment & Reorganisation
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<strong>Nobel</strong> <strong>House</strong>, <strong>Smith</strong> <strong>Square</strong>, <strong>London</strong><br />
<strong>Refurbishment</strong> & <strong>Reorganisation</strong><br />
CHP Overview
Introductions<br />
• Stephen Prowse Appleyards - Project Manager<br />
• Peter Walker - EcoCentroGen
Project History and Objectives<br />
• Increase capacity from 450 to 870<br />
• Achieve BREEAM excellent<br />
• Reduce energy consumption<br />
• Comply with Defra aims and principles<br />
• Keep building fully operational
Building Form and Natural Ventilation<br />
Cross section through building
Restaurant before
Restaurant after
Atrium before
Atrium after
Feasibility<br />
• EcoCentroGen involvement<br />
• Selection criteria<br />
• CHP selection<br />
• Chiller selection<br />
• Getting it right!
System Overview<br />
Gas M<br />
Kitchen<br />
M<br />
M<br />
M<br />
Boilers<br />
M<br />
CHP<br />
100kWe<br />
M<br />
M<br />
Electrical<br />
Load<br />
Winter<br />
Heat Reject<br />
Absorption<br />
Ammonia<br />
Ammonia<br />
M<br />
Summer
Consequences<br />
• Plantroom space<br />
• Heat rejection (dry air coolers v wet towers)<br />
• Room to expand?<br />
• Plant manufacturer Locations Italy, India…..<br />
• Plant availability - Series 3 Turbec (island mode)<br />
• Increased size of chilled water fan coil units<br />
• Complication of installation works<br />
• Complication of controls strategy
Benefits<br />
• Carbon impact – 30 tonnes CO2 reduction per<br />
annum<br />
• Doesn’t sound like much…………..!
Benefits
Benefits<br />
• Operational cost saving of 28% per annum on an<br />
own & operate basis<br />
• Opportunity to offer plant for energy contract<br />
• In house standby generation
Questions?