garage

The ventilation requirements for decontamination are normally determined with a static calculation method. In some cases, the pollutant emission is intermittent, for example in the car park of an office building, where all the cars enter and leave the place nearly at the same time. Generally, in such a case, the volume of the garage is large, consequently the time constant of the system has a high value. So a static approach would no longer stay accurate and a dynamic evaluation is needed.

Ventilation air distribution problems involving system design, installation, operation and maintenance are often suspected of causing air quality problems that plague many modern sealed office buildings, such air quality problems have resulted in occupants suffering symptoms of discomfort and ill health. Three case studies are described in which tests of ventilation performance appear to relate poor air quality to air distribution and ventilation. In all cases, ventilation system retrofits were designed to improve indoor environmental conditions.

After numerous tests and experiments on the best way to overcome the problems associated with Bus Garage Ventilation, a simple solution was arrived at - being the most effective and economic.

A rapid method for employing personal exposure monitors (PEMs) to measure carbon monoxide (CO) concentrations in high-rise buildings is described. The purpose is to determine whether or not a CO problem exists in a building, and, if so, what corrective actions should be taken. The methodology was applied to a 15-story building in Palo Alto, CA, where elevated CO concentrations were discovered on the first 11 floors . The source appeared to be an underground parking garage.

This paper summarizes negative psychological and physiological effects associated with underground buildings, identifies design strategies to alleviate them, and evaluates the effectiveness of some of these design techniques. The focus of the paper is on deep underground space with limited connection to the surface environment. A case study of design strategies used in deep underground office space is presented, and two proposed projects that further illustrate design techniques for deep milled space underground environments are described.

This paper presents the results of a research program that was conducted for ASHRAE by TRC- Environmental Consultants, Inc. The purpose of the study was to provide information on the effectiveness of existing ASHRAE ventilation guidelines for maintaining acceptable air pollutant levels and to develop a methodology for including economic utilization of energy in the consideration of future guidelines.