Indoor Air Quality Guide - Best Practices for Design, by American Society of Heating Refrigerating and

By American Society of Heating Refrigerating and Air-Conditioning Engineers

This consultant, because of a collaborative attempt of six major organisations within the development group and written by way of a committee of a few of the main skilled contributors within the box of indoor air caliber (IAQ), offers top practices for layout, building, and commissioning that experience confirmed profitable in different development tasks. It offers details and instruments architects and layout engineers can use to accomplish an IAQ-sensitive development that integrates IAQ into the layout and building technique besides different layout objectives, funds constraints, and sensible necessities. whereas a few key concerns within the box of IAQ stay unresolved, this rfile offers the easiest to be had details to permit practitioners to make educated judgements for his or her development initiatives. The consultant addresses the economic and institutional constructions coated through ASHRAE general 62.1.
Content:
entrance subject
• Abbreviations and Acronyms
• Message to construction vendors
advent
• desk of Contents
•Part I. precis Guidance
• evaluation info for layout, building, and Commissioning for IAQ
aim 1. deal with the layout and development strategy to accomplish stable IAQ
target 2. keep an eye on Moisture in construction Assemblies
target three. restrict access of out of doors Contaminants
aim four. keep an eye on Moisture and Contaminants relating to Mechanical platforms
aim five. restrict Contaminants from Indoor resources
aim 6. trap and Exhaust Contaminants from construction gear and actions
aim 7. lessen Contaminant Concentrations via air flow, Filtration, and Air cleansing
goal eight. practice extra complex air flow techniques
• half I References and Bibliography
•Part II. designated Guidance
• precise info for layout, building, and Commissioning for IAQ
target 1. deal with the layout and development procedure to accomplish reliable IAQ
target 2. keep an eye on Moisture in construction Assemblies
goal three. restrict access of out of doors Contaminants
aim four. keep watch over Moisture and Contaminants concerning Mechanical structures
aim five. restrict Contaminants from Indoor resources
target 6. seize and Exhaust Contaminants from development gear and actions
goal 7. decrease Contaminant Concentrations via air flow, Filtration, and Air cleansing
target eight. follow extra complex air flow ways
Appendices

Show description

By American Society of Heating Refrigerating and Air-Conditioning Engineers

This consultant, because of a collaborative attempt of six major organisations within the development group and written by way of a committee of a few of the main skilled contributors within the box of indoor air caliber (IAQ), offers top practices for layout, building, and commissioning that experience confirmed profitable in different development tasks. It offers details and instruments architects and layout engineers can use to accomplish an IAQ-sensitive development that integrates IAQ into the layout and building technique besides different layout objectives, funds constraints, and sensible necessities. whereas a few key concerns within the box of IAQ stay unresolved, this rfile offers the easiest to be had details to permit practitioners to make educated judgements for his or her development initiatives. The consultant addresses the economic and institutional constructions coated through ASHRAE general 62.1.
Content:
entrance subject
• Abbreviations and Acronyms
• Message to construction vendors
advent
• desk of Contents
•Part I. precis Guidance
• evaluation info for layout, building, and Commissioning for IAQ
aim 1. deal with the layout and development strategy to accomplish stable IAQ
target 2. keep an eye on Moisture in construction Assemblies
target three. restrict access of out of doors Contaminants
aim four. keep an eye on Moisture and Contaminants relating to Mechanical platforms
aim five. restrict Contaminants from Indoor resources
aim 6. trap and Exhaust Contaminants from construction gear and actions
aim 7. lessen Contaminant Concentrations via air flow, Filtration, and Air cleansing
goal eight. practice extra complex air flow techniques
• half I References and Bibliography
•Part II. designated Guidance
• precise info for layout, building, and Commissioning for IAQ
target 1. deal with the layout and development procedure to accomplish reliable IAQ
target 2. keep an eye on Moisture in construction Assemblies
goal three. restrict access of out of doors Contaminants
aim four. keep watch over Moisture and Contaminants concerning Mechanical structures
aim five. restrict Contaminants from Indoor resources
target 6. seize and Exhaust Contaminants from development gear and actions
goal 7. decrease Contaminant Concentrations via air flow, Filtration, and Air cleansing
target eight. follow extra complex air flow ways
Appendices

Show description

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Additional info for Indoor Air Quality Guide - Best Practices for Design, Construction, and Commissioning

Example text

STRATEGY OBJECTIVE In addition to the proper volume of air being provided for proper building pressurization, the distribution of the air within the building spaces needs to be addressed. Makeup air needs to be provided in the correct areas or spaces to help overcome depressurization due to stack effect and/or wind effect. 4 – Effectively Distribute Ventilation Air to Multiple Spaces for guidance on how this can be accomplished. 3 35 This file is licensed personally to you for use at your computer.

Humidity conditions also affect people’s perception of IAQ. 6 – Provide Comfort Conditions that Enhance Occupant Satisfaction. • hot and humid climates, especially when building pressurization is difficult to achieve or there are long periods of no conditioning (such as school systems shut down for the weekend); • conditioned spaces with large indoor moisture sources; • conditioned spaces with unusually cold surfaces; • spaces with continuous outdoor air ventilation and noncontinuous air conditioning (for instance, when cooling coils cycle on/off or exhaust fans must continue to run when conditioning systems are off); and • oversized systems with excessive airflow with modulation of the chilled-water flow rate as the only available control method.

A continuous air barrier system is created by adhering to the following steps. 3 in. g. , into an assembly. • Join the air barrier layer of each assembly with the air barrier layer of adjacent ones and to all fenestration and doors until all enclosure assemblies (for the complete building as a six-sided box) are interconnected and sealed. • Seal all penetrations of the air barrier layer. The airtight layer of each assembly will support the entire air pressure caused by wind, stack effect, and HVAC operation.

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