Car Park Ventilation

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Group SCS offers bespoke smoke control solutions for car parks that prevent the build-up of toxic fumes and flammable gases from motor exhausts and clear smoke in the event of a fire.
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Car Park Ventilation

Group SCS offers a wide range of design services for car park ventilation beginning with an assessment of the most effective strategy for the individual building.

Our in-house design team produces detailed designs and specifications, including CFD and acoustic analyses for smoke control, smoke clearance, and pollution control systems. Design, supply, and installation of complete systems including bespoke plant rooms and intelligent, energy-saving control systems are delivered by our Specialist Contracting team.

Reasons to ventilate Car Parks

Smoke Clearance

To provide sufficient openings for enclosed car parks to allow any smoke being produced to leave the space naturally, or if this cannot be achieved then to remove smoke via a mechanical extract system.

Fume Exhaust

To provide sufficient openings arranged such that a thorough draught at low to mid-level is created to allow CO to leave the car park naturally, or if this cannot be achieved then to limit the concentration of CO within the space via a mechanical extract system.

Natural Car Park Ventilation

The preferred method of ventilating car parks, natural ventilation simply requires openings to fresh air being provided to an equal percentage of the floor area of the car park. This method relies on a path to the outside being freely available, which is not usually the case for underground car parks, where a mechanical extract system is required.

Mechanical Car Park Ventilation

Mechanical extract systems use powered fans to control the build-up of CO in the car park. Broadly, there are two types of systems available – ductwork and jet fan car park ventilation system. They are both suitable for the needs of an underground car park and have different benefits.

Traditional systems

Traditionally, systems use sheet metal ductwork to transport the fumes
or smoke extracted to the external atmosphere. The ducts must be evenly distributed around the car park, as well as drop to low levels to provide the low level extract points.

Accommodating large ducts can be problematic due to the low headroom in most car parks. Low-level ducts can be subject to damage from vehicles.

Jet fan systems

These car park ventilation systems are characterised by jet fans replacing the traditional ductwork. They drive fumes or smoke towards extract fans, keep pollution within acceptable levels, and clear smoke. Our packaged car park ventilation system, UniJet, is designed to provide smoke clearance and pollution ventilation to covered car parks to comply with current building regulations.

See how we implemented a UniJet Car Park Ventilation system in Newport’s Friar’s Walk Shopping centre in our case study.

How UniJet works

The UniJet car park ventilation system delivers combined pollution and smoke clearance using jet fans to provide an energy efficient and safe solution whilst requiring the least possible plant space.

The system comprises high temperature extract fans that exhaust smoke and pollution to the atmosphere with strategically positioned jet or impulse fans used to move stale air or smoke to the extract fan positions.

Fully automatic controls monitor carbon monoxide levels and smoke or temperature conditions within the car park and operate the fans at the appropriate level, maintaining safe and comfortable conditions within the car park.

Find out more about UniJet

Packaged main extract plant room including fans, silencers, dampers and control systems. Tested prior to location on-site.

Optional CFD models available to support design.

Modular control system incorporating CO sensing for enhanced energy efficiency.

Training and support from the Group SCS Technology and Training Hub.

How to Specify a UniJet system:

  • Request access to the system documents
  • Make sure your project fits the scope and layouts of the system you selected
  • Use the System Selection Table to select your system and obtain a budget cost for supply installation and commissioning.
  • Place the standard system specification information into the tender documentation.

Continue exploring

Go back to the main Smoke Control Solutions area.
Read more about our Natural Smoke Ventilation solutions.
Understand our solutions for Smoke & Fire Damper Control.

UniJet Car Park Ventilation System smoke test

Have you ever seen a smoke test being carried out? SCS Group carried out this successful car park smoke test at Sovereign Court, located in the heart of Hammersmith (April 2016).

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