2010 Joint Engineer Training Conference & ExpoSociety of American Military Engineers

Presented by: George Plattenburg, PESr. Vice President, Sales & Marketing

May 6, 2010Georgia World Congress CenterAtlanta, Georgia

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Agenda

• About Servidyne • Generating Energy Cost Savings through

Operations & Maintenance • Retro-Commissioning• Continuous Commissioning• Demand Response• Off-Hours Investigation

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Servidyne – Company Profile

• Founded in 1925 with 30+ years experience in energy efficiency & optimizing building performance

• Headquartered in Atlanta, offices across the U.S.

• SERV NASDAQ

• Eight time United States EPA ENERGY STAR® Partner of the Year

• Recognized for Presidential Award for achievements in outstanding energy management (BLM)

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Existing Building Focus and Expertise

• Our business is predicated on assisting owners and operators of existing buildings and bases

• Servidyne has implemented a number of energy programs and projects at local, state, and federal facilities and all branches of the military

• We don’t sell or service products; we provide comprehensive solutions

• Capable of working with all of the major types of building automation systems, metering technologies, and controls

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Generating Energy Savings with O&M

• The best approach to reduce energy consumption in most cases is through optimized O&M

• Consider CapEx improvements after your energy consumption requirements with your existing systems have been minimized

• Buildings and systems need to be fine-tuned or “retro-commissioned”

• Many improvements can be made with little or no cost and covered by O&M budgets – savings range from 5-15%

• Costs for this approach range from $0.10 to $0.20/sq. ft. or less; paybacks can be in months and not years

• Process includes training of site staff

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Retro-Commissioning

Why Retro-Commissioning?• Buildings never commissioned properly• Over time set points and systems have been altered,

bypassed, and replaced.• Owner’s operating requirements have changed

– Occupancy

– Addition/subtraction of spaces

– Different space types

• Design standards have changed

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Retro-Commissioning Top 10

1. Schedule HVAC Systems

2. Adjust Outside Air to Current Needs

3. Mitigate Simultaneous Heating and Cooling

4. Reduce Flow from Oversized Pumps

5. Reset Supply Air Temperatures

6. Enable Economizer Controls

7. Reset Static Pressures/Optimize VFD Operation

8. Stage Boilers/Chillers Properly

9. Lower Condenser Water Setpoints

10. Correct Lighting Control Operation

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Review Project Objectives

Develop RCx Plan

Conduct Scope Meeting with Customer

Perform Site Assessment / Complete Simple Repairs

Prepare List of Deficiencies & Potential

Improvements

Develop Diagnostic Monitoring & Functional

Testing Plans

Perform EMS Trending and/or Data Logging

Perform Functional Testing (as required)

Add Improvements and/or Deficiencies to the

Master List

Prioritize & Select Cost Effective Opportunities for

Improvement

Implement Repairs and Improvements

Verify Corrected System Operation

Correct Deficiencies

No Yes

Prepare & Submit Final Report

Results Achieved?

Verify Performance & Track Expected Results vs.

Actual Results

PlanningPhase

Assessment Phase

Implementation Phase

Reporting andM&V Phase

Retro-Commissioning Process

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Persistence of Savings

What Is Continuous Commissioning?

• Inexpensive but reliable sensor and system monitoring technology • Integrate with existing building systems and ‘smart grid” metering

technologies – utility consumption, building & system conditions• Customized robust information dashboard capturing data to provide

ongoing monitoring, alarming, and energy consumption trending• Can identify system faults and maintenance issues prior to

equipment failure• This “Continuous Commissioning” process will ensure the savings

realized through Retro-Commissioning will continue into the future.

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Continous Commissioning

Monitoring-based Continuous Commissioning

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Demand Response

• Many utilities (and ISOs) across the U.S. are offering “Demand Response” or load curtailment programs

• The utilities have a reliability/economic challenge meeting peak demand for a limited number of hours every year – typically weekday afternoons in the summer

• To encourage customers to become “part of the solution” utilities will pay you to reduce demand when called

• Payments range from $30/kW to $80/kW across the country

• Requirements on notification and load shed periods vary

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Demand Response

• You can participate in demand response through O&M– Adjust chiller and space set points– Dim lights– Turn off unnecessary loads– Throttle back VFDs on pumps and fans– Engage back-up generators

• Requires a demand response audit to identify measures• Typically requires live testing prior to enrollment• Payments are based on performance and/or testing

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Off - Hours Investigation

• Walk your buildings during unoccupied periods• Listen for air and water movement• Look for lights that are on• Observe HVAC control set points and actual space

conditions• Significant amounts of energy are wasted during

“sleeping hours” for your buildings• Encourage active participation in energy management• May be lowest hanging fruit of all

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Questions?

Learn more about optimizing your buildings’ performance

>> Contact an expertGeorge Plattenburg, PESr. Vice PresidentTel (770) 916-7123Cell (678) 516-7577Fax (770) 916-7124George.plattenburg@servidyne.comwww.servidyne.com