Parking Garage Co Ventilation Systems

Public garages mechanical ventilation systems for public garages are not required to operate continuously where the system is arranged to operate automatically upon detection of a concentration of carbon monoxide of 25 ppm by approved detection devices.

Parking garage co ventilation systems.

In car parking facilities jet fans can be used to replace ducts for the extraction of both co and eventually explosive liquid petrol gas fumes. The resultant system infrastructure provides superior protection against toxic gas buildup in enclosed parking structures while reducing energy consumption. The imc and ashrae stipulate that garage ventilation systems run continuously during building occupied hours with an exception made for those that deploy carbon monoxide co sensor based demand controlled ventilation dcv systems. Uniform building code section 705 in all parking garages automatic co sensing.

Garages or workshops with floor areas more than 500 ft2 50m2 should always have mechanical ventilation with fans. The phase 2 garage has a more complex system that consists of an exhaust fan with a variable speed drive vfd connected to co sensors throughout the space. In a garage or workshop where exhaust gases like carbon monoxide co and no x from vehicles are very dangerous proper ventilation is very important. The california mechanical code cmc 1for instance includes this requirement.

The jetvent control system is an easily customized solution designed to efficiently manage the garage ventilation equipment. This fan is set to run 24 7 but the speed varies based on the level of co. The imc and ashrae stipulate that garage ventilation systems run continuously during building occupied hours with an exception made for those that deploy carbon monoxide co sensor based demand controlled ventilation dcv systems. It is common to see enclosed and underground parking garage exhaust systems consisting of extensive duct distribution systems with multiple exhaust inlets often ducted to near the floor.

The combination of this thrust ventilation principle with mechanical exhaust and natural and or mechanical fresh air supply results in an optimal ventilation system for enclosed car parks. It helps maintain good air quality when garage traffic is high and conserve energy when it is low.