Fundamental Commissioning:

LEED™ Pre-Requisite 1 EA Fundamental Commissioning (Required)

• HVAC & refrigeration
• Lighting and lighting controls
• Domestic hot water systems
• Renewable energy systems

Half of the CxA’s time is spent on planning and paperwork, while the other half is actual field work

Cost advantages:

Reduces the Owner’s “Total Cost of Ownership”, it pays for itself with improved operations, avoided problems, and energy efficiency

Reduces change orders

Operating personnel are better trained and provided with better O&M documentation

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Enhanced Commissioning:

LEED™ EA Credit 3 Enhanced Commissioning (1 Point)


• Reviews design and submittal by Commissioning Agent (CxA)
• Identifies and rectifies potential problems at an early stage, as a means to avert unforeseen expenses
• Pays for itself 61% of the time just in construction cost savings

Scope:

• Creates Commissioning Plan
• Develops Commissioning specifications
• Verifies installation and performance of systems

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Retro Commissioning:

Retro-commissioning is the application of the commissioning process to existing buildings.  Retro-commissioning is a process that seeks to improve how building equipment and systems function together...

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What is a Commissioning Agent/Authority /CxA?

Commissioning insures that a building performs in accordance with the Owner’s basis of design (BOD) and operational needs. Simply stated, Commissioning is a process that ensures the design and engineering of the building run in tandem.
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Who can be the commissioning authority?
Contractor’s Role in Commissioning?

Contractor cooperates with CxA as follows:


• Schedules a walk-thru
• Work jointly to develop system tests
• Ensures functional performance
• Self-performs tests
• Prepares a Certificate of Readiness
• Performs test replication and corrects any deficiencies noted by CxA
LEED EA Credit 3: "Enhanced Commissioning"

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