Pearl Building Rating System - Estidama
Pearl Building Rating System - Estidama
Pearl Building Rating System - Estidama
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Calculations and<br />
Methodology<br />
Install and connect an air quality alert system to the BMS. The ventilation provided must<br />
provide sufficient dilution at all times, in particular during peak operating hours when<br />
queuing and congestion may occur.<br />
Set trigger values for each of these pollutants, taking into account response times so<br />
ventilation rates will adjust and these maximum values are not exceeded. The levels in<br />
all instances must comply with WHO Guidelines 2000 Air Quality Guidelines for Europe<br />
2nd Edition in relation to carbon monoxide and nitrogen dioxide and particulate matter<br />
PM10 from ASHRAE 62.1.2007.<br />
Demonstrate that the monitoring locations selected are considered worst-case within<br />
the car park area. For example, monitoring must not take place immediately adjacent to<br />
air distribution vents, where pollutant levels would be lower as a result of dilution.<br />
The number of monitoring points will depend on the size of the car park. No part of the<br />
car park must be more than 25 meters from a sampling point. Each area that is serviced<br />
by a separate ventilation system will require a separate monitoring point and at least<br />
one monitoring point will be required on each level. In addition, at least one sampling<br />
point must be provided at each of the entrances and exits of the car park.<br />
Monitoring must take place within the breathing zone. This is the region within an<br />
occupied space between 1 and 1.8m above the floor and more than 0.1 m from walls or<br />
air conditioning equipment.<br />
Outdoor air intakes must be placed away from known sources of pollution such as busy<br />
roads or boiler exhausts.<br />
The system presented in this credit must be consistent with the system included in the<br />
energy model (e.g. variable speed drive fans).<br />
75% enclosure is defined as a car park with a roof and 75% of the wall area perimeter<br />
enclosed.<br />
References � ANSI/ASHRAE 62.1:2007 Ventilation and Acceptable Indoor Air Quality<br />
www.ashrae.org<br />
� World Health Organization Guidelines 2000 Air Quality Guidelines for Europe 2nd<br />
Edition. www.who.int<br />
<strong>Pearl</strong> <strong>Building</strong> <strong>Rating</strong> <strong>System</strong>: Design & Construction, Version 1.0, April 2010 96 of 223