1/6/2017 1 1/6/2017 Commissioning Benefits Fewer Change Orders - - PDF document

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Commissioning Benefits

• Fewer Change Orders
• Fewer corrective actions implemented while

contractors are on-site

• Improved planning and coordination
• Reduced energy consumption during
• peration
• Lower operating costs overall
• Better temperature and ventilation control
• Reduced risk of equipment downtime (Data

centers)

Cx Requirements

• Review Owner’s Project Requirments & Basis of

Design

• Develop Cx Plan
• Confirm Cx requirements in construction docs
• Develop construction checklists and test

procedures and verify execution

• Maintain issues and benefits log
• Prepare Cx Report
• Prepare Current Facility Requirments (CFR) and

O&M Manual

Cx Requirements

• Commission systems as they relate

to energy, water, indoor environmental quality, and durability

• Report findings and

recommendations to the owner throughout the process.

• Full Envelope Cx is not required

unless the project team pursues Enhanced Cx, Option 2

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1/6/2017 6 Elements of Systems Manual

• Executive Summary
• OPR & BOD
• System single-line diagrams
• Construction record documents
• Approved Submittals
• As-built drawings
• As-built Sequence of Operation
• Original set points for all systems commissioned
• Recommended schedule for re-commissioning
• Recommend schedule for senor recalibration
• Equipment operations and maintenance manuals
• Equipment preventive maintenance schedules
• Confirmation of completed training
• Ongoing system optimization procedures
• Final Commissioning Report

Ongoing Commissioning Plan

• Recommended schedule for

re-commissioning

• Continuous updating of

building operation plan and CFR

• Blank testing materials

including functional performance tests

• Direction for testing new and

retrofitted equipment Path 1 Enhanced Cx-Recap

• Review contractor submittals
• Verify inclusion of systems manual requirements in

construction docs

• Verify inclusion of operator and occupant training requirements

in construction docs

• Verify systems manual updates and delivery
• Verify operator and occupant training delivery and

effectiveness

• Verify seasonal testing
• Review building operations 10 months after substantial

completion

• Develop on-going Cx plan

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Path 2 Monitoring Based Cx

• Achieve Path 1
• Develop procedures and identify points to be

measured and evaluated to assess performance of energy and water systems. Must include:

– Limits of acceptable values – Action plan for correction of errors and deficiencies – Training to prevent errors – Energy and water use profiles – Frequency of analyses in 1st year of occupancy (at least quarterly)

Path 2 Monitoring Based Cx

• MBCx allow user to track energy consumption, detect

fault equipment operations, and identify unusual energy

• r power consumption patterns as they occur

Option 2. Envelop Cx

• Complete Cx in accordance with ASHRAE

Guideline 0 and NIBS Guideline 3 for thermal envelope

• Can achieve without Option 1
• Follow requirements of Option 1, Path 1 for

thermal envelope

Envelope Enhanced Cx

• Review contractor submittals
• Verify inclusion of systems manual requirements in

construction docs

• Verify inclusion of operator and occupant training requirements

in construction docs

• Verify systems manual updates and delivery
• Verify operator and occupant training delivery and

effectiveness

• Verify seasonal testing
• Review building operations 10 months after substantial

completion

• Develop on-going Cx plan

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Envelope Enhanced Cx

Testing Activities:

• Infrared Camera
• Tracer smoke
• Water bottle
• Calibrated water hose
• Moisture meter
• Field mock-up
• Blower door Assembly

System Tests

• Air infiltration
• Water infiltration
• Exhaust re-entrainment
• Thermal performance
• Building envelope pressure
• Building envelope air leakage
• Daylighting glare control

Envelope Enhanced Cx

Cx Requirements (Data Center Only)

For Projects that select option 1:

• Conduct at least one Cx verification review
• f OPR, BOD, and design documents before

mid-construction documents development

• Back-check the review comments in all

subsequent design submissions

• Conduct an additionalfull verification

review at 95% completion of the design documents and BOD

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• Sets baseline for

HVAC, Lighting, Envelope, and Service Water Heating

• Follow Appendix

G for modeling

• Comply with

mandatory provisions

• Based on Cost

Savings

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Energy Model

• 5 Energy Models

–1 design model (your building) –4 baseline models (ASHRAE buildings)

• 1 same orientation as design

building + 3 more rotated 90 degrees each time Energy Model

• Must meet minimum energy

requirements first without Renewable Energy

• Non Regulated loads kept

identical unless following the exceptional calculation method –Can follow COMNET Modeling guidelines

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Data Centers-2% of the 5% energy savings must come from building power and cooling infrastructure Retail: Process loads for retail may include refrigeration equipment, cooking and food preparation, clothes washing, and other major support appliances. Some baseline equipment in Appendix 3

ASHRAE 50% Advanced Energy Design Guide-Eligible Buildings

• Offices < 100,000 SF
• Retail Buildings > 20,000 &

<100,000 SF

• K-12 School Buildings
• Hospitals > 100,000 SF

1/6/2017 12 Advanced Buildings Core Performance Guide-Eligible Buildings

• Must be less than <100,000 SF
• Healthcare, Warehouse, and

Laboratory projects are ineligible

Decision Flow Chart

New Construction Major Renovation Core and Shell Point (Except Schools, Healthcare

6% 4% 3% 1 8% 6% 5% 2 10% 8% 7% 3 12% 10% 9% 4 14% 12% 11% 5 16% 14% 13% 6 18% 16% 15% 7 20% 18% 17% 8 22% 20% 19% 9 24% 22% 21% 10 26% 24% 23% 11 29% 27% 26% 12 32% 30% 29% 13 35% 33% 32% 14 38% 36% 35% 15 42% 40% 39% 16 46% 44% 43% 17 50% 48% 47% 18

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Building-Level Energy Metering

• Building-level or aggregated

submeters

• Electricity, natural gas, chilled

water, steam, fuel oil, propane, biomass

• Utility owned meters ok
• Track minimum 1 month intervals
• Commit to report to USGBC, 5 years

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Requirements Install advanced energy metering for the following:

• all whole-building energy sources used by the building; and
• any individual energy end uses that represent 10% or more of the total annual

consumption of the building. The advanced energy metering must have the following characteristics.

• Meters must be permanently installed, record at intervals of one hour or less, and

transmit data to a remote location.

• Electricity meters must record both consumption and demand. Whole-building

electricity meters should record the power factor, if appropriate.

• The data collection system must use a local area network, building automation system,

wireless network, or comparable communication infrastructure.

• The system must be capable of storing all meter data for at least 36 months.
• The data must be remotely accessible.
• All meters in the system must be capable of reporting hourly, daily, monthly, and

annual energy use.

Identifying major energy end uses is the first step in choosing what to meter. Often, in large commercial or industrial buildings, end uses are classified as systems composed of discrete pieces of equipment that can be metered together. For example,

• Chilled water system: chillers, chilled water pumps
• Condenser water system: cooling tower, condenser water pumps
• Hot water system (natural gas): boilers
• Hot water system (electricity): hot water pumps
• Air-handling system: supply fan, return fan, damper motors

Examples of typical end uses for a commercial office building that may require advanced metering include the following:

• Receptacle equipment
• Interior lighting
• Space heating
• Space cooling
• Fans
• Pumps
• Heat rejection
• Exterior lighting
• Service water heating

Monday Tuesday Wednesday Thursday Friday Saturday Sunday

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Downstream: equipment must comply Upstream: 5 year phase out required Reduce annual leakage of CFC to <5%

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Commission DR Process including at least one full test of the DR Plan

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Follow requirements of Option 1 with ability for the building automation system to accept a future external price or control signal

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Community Solar / Solar Gardens

• Project owns system or has 10

year lease

• Located within same utility

service area Renewable Energy Credit

• If green attribute sold, purchase

replacement REC’s or Carbon Offset with 10 year contract

• Use Virtual Rate or Actual Rate

Plus Demand to calculate cost Renewable Energy Credit Interactions

• Must be sub-metered to comply

with Advanced Energy Metering

• Impacts energy cost for proposed

building so has positive impact on Optimize Energy Performance

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CORE AND SHELL Energy usage of Core and Shell floor area defined by BOMA standards, but not < 15% floor area

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