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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