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HVAC Testing, Adjusting, Balancing
Healthcare
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Table of Contents1. TAB Certification2. TAB Overview3. When is TAB Necessary?4. Process of TAB5. Infection Prevention6. Design and Survey Criteria7. Critical Room Pressurization Verification (CRPV)8. Joint Commission Survey9. Preventative Maintenance10. Building Pressure11. Choosing a TAB Agency12. Q and A
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Associated Air Balance Council
National Environmental Balancing Bureau
• INDEPENDENT
• Cannot be affiliated with engineers, mechanical contractors or manufacturers
• Typically specified by owners and engineers to avoid conflict of interest
• NOT required to be independent
• Can be mechanical contractors
• May test their own equipment
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WHAT IS TESTING, ADJUSTING, AND BALANCING?
• Test HVAC Systems’ Performance
• Adjust Systems to Design Parameters
• Balance Systems for Optimum Performance
• Optimize Cost and Energy Usage
• Indoor Air Quality (IAQ)
• Required Air Changes per Hour (ACH)
• Volumetric Flow- Cubic Feet per Minute (CFM)
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WHEN TO PERFORM A TOTAL SYSTEM
BALANCE
New Construction
Renovation/Remodel
Equipment Changes
Comfort Issues
Pressure Issues
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THE PROCESS OF TAB
1. Drawing Review/ Mark-Up
2. Pre-Engineering
3. Document Review
4. Scheduling
5. Quality Assurance Inspection
6. Field Testing
7. Report Review
8. Final Report
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DESIGN AND SURVEY CRITERIA
EC. 02. 05. 01Risk Associated with
Utility Systems
STANDARD 170Ventilation of Health Care
Facilities
FGI Guidelines
2014 Edition
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CRITICAL ROOM PRESSURIZATION VERIFICATION (CRPV)
POSITIVE
• Operating Rooms
• Procedure Rooms
• Clean Workroom
• Sterile Cleaning
NEGATIVE
• Isolation Rooms
• Morgue
• Decontam
• Soiled LinenRoom
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JOINT COMMISSION SURVEY
1. STANDARD EC.02.05.01
• Risk Associated with Utility Systems
• EP 15- Air Pressure, Filtration, and Air Changes in Critical Areas
• Third Highest Cited in 2017
• 58% Non-Compliant
2. Critical Room Pressurization is on Day 1,
immediately following Documentation Review
3. Deficiencies must be corrected within 45 days
4. Documentation is key
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WHAT CAUSES A BUILDING TO
BECOME UNBALANCED?
1. LACK OF PROPER PREVENTATIVE MAINTENANCE
• Dirty Filters
• Dirty RTU Blower Fans
• Worn or Broken Belts
• Dirty or Closed Evaporator Coils
2. NOT ADDRESSING THE AHU SETUP DURING
RENOVATIONS AND ADDITIONS
3. DUCT LEAKAGE
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SYMPTOMS OF NEGATIVE BUILDING PRESSURE
• Condensation Dripping from Diffusers• Mold Growth• Hot and Cold Spots• Patient Complaints• Drafts- “Wind Tunnel Effect”
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EXAMPLE OF COST SAVINGS
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What is MOST VALUABLE To You
When Selecting a TAB Agency??
KNOWLEDGE OF THE
HEALTHCARE INDUSTRY
PRICE
INFECTION PREVENTION
EXPERT
CUTS CORNERS TO
SAVE MONEY
EXPERIENCE
LOCATION
PUBLIC BIDS
RELATIONSHIPS
REPORTS DEFICIENIES
OR HIDES THEM
PROFESSIONAL
DOCUMENTATION
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