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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?

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