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What is mission critical commissioning and why is it critical?Steven Shapiro, P.E., ATD,
Mission Critical Practice Lead
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The Question?
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Average outage is 134 minutes
Average outage cost is $5,200 per minute
Enterprise level outage cost is $11,000 per minute
The Answer:
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Availability
Availability
Availability
What Really Matters?
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• Quality control process
• Focus is on availability
• Verify performance
• Verify redundancy
• Document
Mission Critical Commissioning
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• Reliability is a measure of the probability that an item will perform its intended function for a specified time interval under stated conditions.
• Availability is the proportion of time a system is in a functioning condition.
Reliability vs. Availability
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A piece of equipment can be available but not reliable.
For example, the equipment is down 6 minutes every hour. This translates into an availability of 90% but a reliability of less than 1 hour.
The Difference
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• Performance
• Redundancy
• Test It
How Do We Verify? Can you
Hear Me
Now?
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ASHRAE Guidelines and Standards
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• Planning
• Design
• Construction
• Acceptance Testing
• Occupancy
The Commissioning Process
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Owners project requirements• Functional requirements
• Expectations
• Basis for decision making
Basis of design• Narrative description of concepts
• Calculations
• Product selections
Role During Planning
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Design reviews
• Opr and bod objectives
• Communication
• Discipline specific
• Coordination between disciplines
Role During Design
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Submittal review
Factory witness testing• Level 1
Construction checklist
Site visits
Role During Construction
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Site acceptance inspection• Level 2
Start-up and pre-functional testing
• Level 3
Functional testing
• Level 4
Integrated system testing
• Level 5
O & M document review
Training
Role During Acceptance Testing
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• Seasonal testing
• Warranty review
• Training
Role During Occupancy
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• Maintenance procedures
• Standard operating procedures
• Emergency operating procedures
Role During Operations
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• Redundancy
• Maintainability
• Flexibility
• Hardening
• Security
Improved Availability
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Availability
Availability
Availability
What Really Matters?
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• What really matters? Availability
• ASHRAE standard 202, guidelines 0 and 1.1
• Mission critical commissioning:
• Process – not just during construction
• Documentation
• Performance verification
• Redundancy verification
• Seasonal verification
Key Takeaways
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Steven Shapiro, PE, ATDMission Critical Practice Lead
(914) 420-3213
http://www.linkedin.com/in/stevenshapirope
Twitter: @stevenshapirope
Questions?
