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// CODE SNIPPET

803.1.2 Indoor Air Quality During Construction

Green Construction Code 2012 of Maryland > 8 Indoor Environmental Quality and Comfort > 803 HVAC Systems > 803.1 Construction Phase Requirements > 803.1.2 Indoor Air Quality During Construction
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Temporary ventilation during construction shall be provided in accordance with Sections 803.1.2.1 through 803.1.2.3.

803.1.2.1 Ventilation

Ventilation during construction shall be achieved through openings in the building envelope using one or more of the following methods:
  1. Natural ventilation in accordance with the provisions of the International Building Code or the International Mechanical Code.
  2. Fans that produce a minimum of three air changes per hour.
  3. Exhaust in the work area at a rate of not less than 0.05 cfm/ft2 (0.24 L/s/in2) and not less than 10 percent greater than the supply air rate so as to maintain negative pressurization of the space.

803.1.2.2 Protection of HVAC System Openings

HVAC supply and return duct and equipment openings shall be protected during dust-producing operations.

803.1.2.3 Return Air Filters

Where a forced air HVAC system is used during construction, new return air filters shall be installed prior to system flush out and building occupancy.

Related Code Sections


803.1.2 Indoor Environmental Quality and Comfort, Indoor Air Quality During Construction
Where a forced air HVAC system is used during construction, new return air filters shall be installed prior to system flush out and building ...
Green Construction Code 2012 of Maryland > 8 Indoor Environmental Quality and Comfort > 803 HVAC Systems > 803.1 Construction Phase Requirements > 803.1.2 Indoor Air Quality During Construction
801.2 Indoor Environmental Quality and Comfort, Indoor Air Quality Management Plan Required
An indoor air quality management plan shall be developed. Such plan shall address the methods and procedures to be used during design ...
Green Construction Code 2012 of Maryland > 8 Indoor Environmental Quality and Comfort > 801 General > 801.2 Indoor Air Quality Management Plan Required
Section 803 Indoor Environmental Quality and Comfort, HVAC Systems
a forced air HVAC system is used during construction, new return air filters shall be installed prior to system flush out and building occupancy ...
Green Construction Code 2012 of Maryland > 8 Indoor Environmental Quality and Comfort > 803 HVAC Systems
Section 802 Indoor Environmental Quality and Comfort, Building Construction Features, Operations and Maintenance Facilitation
802.2 and 802.3. The arrangement and location of air ...
Green Construction Code 2012 of Maryland > 8 Indoor Environmental Quality and Comfort > 802 Building Construction Features, Operations and Maintenance Facilitation
804.2 Indoor Environmental Quality and Comfort, Post-Construction, Pre-Occupancy Baseline IAQ Testing
for indoor air quality and the testing results shall indicate that the levels of VOCs meet the levels detailed in Table 804.2 using testing protocols ...
Green Construction Code 2012 of Maryland > 8 Indoor Environmental Quality and Comfort > 804 Specific Indoor Air Quality and Pollutant Control Measures > 804.2 Post-Construction, Pre-Occupancy Baseline IAQ Testing
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