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Fire, smoke, and combination fire/smoke dampers are crucial pieces of equipment used to reduce the spread of fire and smoke throughout a building. As with all fire protection and life safety equipment, fire and smoke dampers must be properly inspected, tested, and maintained to ensure that they will operate when needed.
Most Indoor Air Quality (IAQ) problems are system-related and can be traced back to poor ventilation. Basic IAQ investigations are performed, and the required air exchange rates are provided to ensure that the facility is receiving the appropriate air quantities.
These services must be specified in addition to CAABC General Specifications; they are not required. These services will assist in achieving design intent, simplify the balance procedures, reduce the time required for balancing and substantially contribute to more efficient, economical system performance.
This testing must be specified; it is not a required test in accordance with CAABC General Specifications. Duct leakage rate is measured and recorded. Unusual conditions are specified and leakage source is identified.
Controls are set to a proper fixed mode to prevent any changes during the balancing, and proper operation is verified.
Proper testing of the fume hood is crucial for a safe environment. Total flow quantities, both exhaust and supplies, as well as face velocities are adjusted in order to achieve effective performance of the fume hood exhaust system.
The process of testing, adjusting and balancing HVAC systems to ensure operation is at the design intent. It requires the proper use of instrumentation, the skillful evaluation of readings and the ability to adjust the system to meet the design criteria. Members must also have the applied knowledge, accurate instrumentation and extensive field experience necessary to balance all system components for optimal performance. CAABC Certified Companies have the required personnel, expertise and instrumentation to provide the following building services
Air quantities are measured according to CAABC National Standards and outlets are adjusted to design requirements.
Proportional fluid flow quantities are attained throughout hydronic systems in accordance with design requirements.
Sound pressure levels are measured with a properly calibrated meter in accordance with the contract specifications. Vibration of the HVAC components are measured and recorded for displacement and velocity where required by the project specifications.
As part of a complete system balance, the cooling tower is tested to determine its capacity to perform its specified duty. Measurements for cooling tower performance must be highly accurate for safety reasons.