Colt - Smoke Curtains and Seefire Natural Ventilation
West Quay Retail Park, Southampton
Background
West Quay Retail Park in Southampton is one of the largest urban re-developments in Europe, consisting of retail units and a proposed shopping and leisure centre. BDP, London, were the concept design architects, and Geoffrey Reid Associates, London, were employed as the architects by the design & build contractor Bovis Construction, Harrow. The total value of the re-development is approximately £150 million.
The Building
Phase 1a of the development consists of seven large single storey retail units, of which four are protected by smoke control systems by smoke curtains and natural ventilatiors. After discussions with BDP, Geoffrey Reid Associates and Bovis, Colt was chosen to design the systems. Phase 1b of the development consists of a further five retail units and Bovis Construction, Harrow have started construction of this phase. Colt have again been chosen to design the smoke control systems for these units.
The Colt Solution - Smoke Curtains and Natural Ventilation
Each of the four retail units has Colt Seefire natural louvred ventilators installed in the roof to aid safe evacuation of customers and staff by preventing smoke logging in the event of fire.
Units 1 & 5 also have Seefire ventilators installed at low level to provide make-up air. Unit 6 is divided into two smoke zones by the provision of fixed smoke curtains.
Unit 7 is also divided in this way and has in addition automatic smoke curtains installed below the fixed curtain. The smoke curtains create smoke reservoirs to limit the lateral flow of smoke, preventing it from cooling and falling back to ground level.
All of the smoke control systems provide the retail units with the additional benefit of day-to-day ventilation and each has its own weatherbeater rain sensing head.
Control System
The OPV Control System is a new approach to the control of natural smoke ventilators. Each individual ventilator is fitted with its own computer and local power source, enabling a central micro-processor to constantly monitor the health of the entire system and provide a degree of safety and confidence unattainable with conventional control systems. The OPV panel software is configured to meet the specifier's system requirements and can be re-programmed at any time should these requirements change.
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