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San Francisco Marriott Site TourSan Francisco Marriott Site Tour
April 21, 2006
E. J. Hilts / Derek Brauner
Marriott Western Region
April 21, 2006
E. J. Hilts / Derek Brauner
Marriott Western Region
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Marriott International, Inc.Marriott International, Inc.
Marriott International is a leading worldwide hospitality company with nearly 2,800 operating units in the United States and 68 other countries and territories
The company is headquartered in Washington, D.C., and has approximately 150,000 employees
Marriott International is a leading worldwide hospitality company with nearly 2,800 operating units in the United States and 68 other countries and territories
The company is headquartered in Washington, D.C., and has approximately 150,000 employees
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Marriotts Portfolio Is Diverse...Marriotts Portfolio Is Diverse...
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High-End Luxury
Luxury
Upper Upscale
Upscale
Tiers in the Upscale Hotel MarketTiers in the Upscale Hotel Market
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To Be the Number One Lodging Company in the
World
To Be the Number One To Be the Number One Lodging Company in the Lodging Company in the
WorldWorld
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Marriott Energy Management Program
Marriott Energy Management Program
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Three Fundamental ComponentsThree Fundamental Components
Purchasing energy at lowest available unit cost
Efficient Commodity Purchasing Efficient Equipment
Efficient Operation
Upgrading or replacing equipment with energy efficient versions
Operating energy using equipment as efficiently as possible
Western Region Energy Management
Program
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Marriotts Retro-commissioning
Program
Marriotts Retro-commissioning
Program
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Program Development(Dave and E.J. with Pipe)Program Development(Dave and E.J. with Pipe)
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FormulationFormulation
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MRCx Task Force
Demonstration Project
MRCx Guidebook Implementation Steps
RFQ / RFP Template
MRCx Task Force
Demonstration Project
MRCx Guidebook Implementation Steps
RFQ / RFP Template
Program DevelopmentProgram Development
Rob BahlPaul Beyer
Jake Comier E. J. Hilts
Steve JamesDoug Rath
Tracy TomasekLAX Marriott
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3-Phase Process3-Phase Process
Phase OneRetro-Commissioning
(RCx)
Phase TwoOngoing Commissioning
Continuous Commissioning(CC)
Phase ThreeRe-Commissioning
(3-5 years)
MRCxCombines all 3 Phases
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What is ???What is ???
Comprehensive, systematic process of optimizing the existing hotel systems so they operate as efficiently and effectively as possible.
(Building Tune-up)
Focuses on energy-using equipment such as mechanical systems, controls and lighting.
(No-cost / low-cost measures)
Comprehensive, systematic process of optimizing the existing hotel systems so they operate as efficiently and effectively as possible.
(Building Tune-up)
Focuses on energy-using equipment such as mechanical systems, controls and lighting.
(No-cost / low-cost measures)
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Retro-CommissioningSan Francisco MarriottRetro-CommissioningSan Francisco Marriott
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Case Study San Francisco MarriottCase Study San Francisco Marriott1,409 guest rooms and 91 suites
Opened in 1989
1.5 Million sq.ft over 39 stories and three basement levels
Over $2M annual electricity and gas utility costs
1,409 guest rooms and 91 suites
Opened in 1989
1.5 Million sq.ft over 39 stories and three basement levels
Over $2M annual electricity and gas utility costs
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Case Study San Francisco MarriottCase Study San Francisco MarriottCentral cooling plant: 2 centrifugal chillers and one glycol chiller Ice thermal energy storage systemCentral heating plant: 2 gas fired hot water boilersMultiple VAV and CV air handlersCSI DDC building automation system
Central cooling plant: 2 centrifugal chillers and one glycol chiller Ice thermal energy storage systemCentral heating plant: 2 gas fired hot water boilersMultiple VAV and CV air handlersCSI DDC building automation system
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RCx Project AccomplishmentsRCx Project Accomplishments8 measures out of 15 total identified have been implemented to date.
Over $120k in energy cost savings
Less than $50k project cost
Less than one year payback!
Implemented by RCx consultant (Enovity) and Marriott O&M staff, keeping costs down and providing for in house training and follow up
8 measures out of 15 total identified have been implemented to date.
Over $120k in energy cost savings
Less than $50k project cost
Less than one year payback!
Implemented by RCx consultant (Enovity) and Marriott O&M staff, keeping costs down and providing for in house training and follow up
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Measures ImplementedMeasures Implemented
Repair economizer control on AHU-1, 3, 206 and recalibrate of 2,4, 203-207
Implement supply air temperature reset for corridor air handlers
VFDs for AHUs 2 & 206 were in fault and running at 100%
Turn off ice storage system due to lower direct access electric costs
Repair economizer control on AHU-1, 3, 206 and recalibrate of 2,4, 203-207
Implement supply air temperature reset for corridor air handlers
VFDs for AHUs 2 & 206 were in fault and running at 100%
Turn off ice storage system due to lower direct access electric costs
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Measures ImplementedMeasures Implemented
Run one chiller compressor at 60% for longer time period
Enable both sets of cooling tower fans to run together
Close roll-up door at loading dock
Integrate Golden Gate Rooms A-C and Salons 7-9 lighting controls with BAS AHU schedule
Run one chiller compressor at 60% for longer time period
Enable both sets of cooling tower fans to run together
Close roll-up door at loading dock
Integrate Golden Gate Rooms A-C and Salons 7-9 lighting controls with BAS AHU schedule
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Ballroom Lighting Control IntegrationBallroom Lighting Control Integration
Previously Ballroom lights would remain on for days at a time
Measure: Integrate lights to building automation system so lights are scheduled at same time as air handlers
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Conclusions and Q&AConclusions and Q&A
Successful RCx project
Target energy savings realized
Owner achieved desired goals
Operations staff have better understanding of building systems
Successful RCx project
Target energy savings realized
Owner achieved desired goals
Operations staff have better understanding of building systems
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San Francisco Marriott Site TourMarriott International, Inc.Marriotts Portfolio Is Diverse...Tiers in the Upscale Hotel MarketMarriott Energy Management ProgramThree Fundamental ComponentsMarriotts Retro-commissioning ProgramProgram Development(Dave and E.J. with Pipe) FormulationProgram Development 3-Phase Process What is ???Retro-Commissioning San Francisco MarriottCase Study San Francisco MarriottCase Study San Francisco MarriottRCx Project AccomplishmentsMeasures ImplementedMeasures ImplementedBallroom Lighting Control IntegrationConclusions and Q&A