Project Description

CASE STUDY

Mechanical smoke ventilation – a first for D+H in the UK

Project

No.1 Old Trafford provides 214,000 square feet of residential and amenity space, including 354 apartments over two blocks rising to 14 and 17 storeys tall respectively. The waterfront setting includes the newly created tram stop providing excellent links to central Manchester and Salford Quays.

System

Dyer provided a sophisticated and complex system for the mechanical smoke ventilation across the two blocks. Each block has a central Mechanical Smoke Extraction (MSE) control panel installed.

Each of the levels across both blocks are similar and operate as single zones. There is a single central staircase that opens into a T shaped corridor. There are two extract shafts topped with fans on the roof, one at each end of the extended corridor. Certified smoke dampers were also fitted on each level. Fire protected cables connect all devices to the MSE panel.

The software within the MSE panel is written to ensure that when the fire alarm is activated, the shaft damper will open, the central window and head of stair NSHEV will open, the extract fans will start at low speed and are inverter driven to then reach full speed. Make-up air will be provided via automatic opening vents in the external wall. Vents activate automatically upon smoke detection within the common corridors.

Inverter control allows the commissioning engineer to adjust the extract speed to ensure the correct air volumes are extracted.

A central thermostat is used to allow the dampers and windows to open when the internal corridor temperature exceeds 23 degrees. This is a zero energy solution that allows cross flow ventilation.

The system was chosen as it meets all the design criteria and applicable EN standards. The simple wiring system meant the cables could be installed early in the construction program, allowing the builder to complete the internal finishes.

This project is significant as it is the first D+H MSE system to be installed in the UK.

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LATEST TWEETS…

@dyerenvironment

- 1 day ago

Examples of our mechanical/natural smoke ventilation and natural day-to-day ventilation systems can be found on our site. See how our solutions work in practice - https://t.co/1zAvVV5ibV https://t.co/dggo7QZcOu
h J R
@dyerenvironment

- 8 days ago

Dyer recently completed a service visit to Shenley Pavilions. It is essential to ensure smoke ventilation systems remain reliable. Our maintenance packages are tailored to each building and its’ occupants. Our original case study can be found on our site - https://t.co/Thm66WfwHV https://t.co/eUcuaddBXK
h J R
@dyerenvironment

- 11 days ago

Another successful replacement job, this time at Winterthur Way, Basingstoke. Dyer replaced the existing roof hatch with a natural smoke ventilation louvre, providing roof access when required. Details on our NSHEV roof louvres can be found on our site - https://t.co/BK4oytQs3y https://t.co/OEsmPtHD8f
h J R
@dyerenvironment

- 17 days ago

Thanks again Phil, lots of interesting topics covered today at our Dyer team get together! https://t.co/vSgUvvFGxY https://t.co/AjGnOcWrc2
h J R
@dyerenvironment

- 17 days ago

Dyer are delighted to have @HRRBFireSafety visiting us this morning. We're looking forward to discussing High Rise Residential Building Fire Safety with Phil later today during his presentation. #FireSafety #SmokeVentilation
h J R