Conference Center (ATCC) Raritan Valley Community College North Branch, NJ July 9, 2009

Transcription

1 Steven Winter Associates, Inc. 50 Washington Street Telephone (203) Architects and Engineers Norwalk, CT Facsimile (203) July 9, 2009 Local Government Energy Program Energy audit report Final; 2/1/2010 Conference Center (ATCC) Raritan Valley Community College North Branch, NJ Project Number: LGEA05 RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 1/34

2 TABLE OF CONTENTS INTRODUCTION HISTORIC ENERGY CONSUMPTION ENERGY USAGE AND COST ANALYSIS UTILITY RATE ENERGY BENCHMARKING FACILITY AND SYSTEMS DESCRIPTION BUILDING CHARACTERISTICS BUILDING OCCUPANCY PROFILES BUILDING ENVELOPE EXTERIOR WALLS ROOF BASE WINDOWS EXTERIOR DOORS BUILDING AIR TIGHTNESS HVAC SYSTEMS HEATING COOLING VENTILATION DOMESTIC HOT WATER ELECTRICAL SYSTEMS LIGHTING APPLIANCES AND PROCESS ELEVATORS OTHER ELECTRICAL SYSTEMS EQUIPMENT LIST ENERGY CONSERVATION MEASURES RENEWABLE AND DISTRIBUTED ENERGY MEASURES EXISTING SYSTEMS SOLAR PHOTOVOLTAIC SOLAR THERMAL COLLECTORS COMBINED HEAT AND POWER GEOTHERMAL WIND ENERGY PURCHASING AND PROCUREMENT STRATEGIES LOAD PROFILES TARIFF ANALYSIS ENERGY PROCUREMENT STRATEGIES METHOD OF ANALYSIS ASSUMPTIONS AND TOOLS DISCLAIMER APPENDIX A: LIGHTING STUDY (SHEET 1 EXISTING LIGHTS) APPENDIX B: EQUEST MODEL APPENDIX C: THIRD PARTY ENERGY SUPPLIERS (ESCOS) RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 2/34

3 INTRODUCTION On April 21 st, 22 nd, 23 rd & 24 th, 2009; Steven Winter Associates, Inc. (SWA) performed an energy audit and assessment of the Raritan Valley Community College (RVCC) buildings located in North Branch, NJ. Current conditions and energy-related information was collected in order to analyze and facilitate the implementation of energy conservation measures for the building. Energy data collected in the field was imported into the equest energy conservation software to generate a baseline model of the building. SWA simulated the installation of energy improvement measures on the baseline model of the building. Energy saving calculations and projected economics are automated and served as the basis for our conclusions. There are eleven separate buildings that were evaluated for this energy audit; Somerset Hall, Hunterdon Hall, East Building/Planetarium, College Center, Physical Education Building, Library/Theater, Conference Center (ATCC), Science Building, West Building, Arts Building and also the Child Care Center (CCC) buildings. The buildings were built at different times as the college expanded. Each building is unique in area and also building construction. Only CCC and Arts building have their individual electric meters; other buildings are connected to the main campus electric meter. Science building has its own gas meter; other buildings that use gas are connected to the main campus gas meter. The campus has a district cooling and heating plant that serves chilled water and hot water to various buildings connected to the campus loop; ATCC, Science building, Arts building, and CCC are not connected to this loop. The gas to the boiler providing hot water to the loop is metered separately. The central plant is also equipped with a cogenerator, the gas for which is metered separately. Hence, there are three main gas meters in the campus that are directly or indirectly connected to the eleven buildings: Main campus gas meter, Boiler plant gas meter, and Cogen gas meter. The present report is for the Conference Center (ATCC) building only. The ATCC building houses RVCC administrative offices and the conference center. The two-story building consists of 17,800 square feet and is fully conditioned. The building is operated from 7am to 10pm on weekdays and occasionally on weekends when there are events scheduled. The goal of this energy audit is to provide sufficient information to make decisions regarding the implementation of the most appropriate and most cost effective energy conservation measures for the building. RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 3/34

4 EXECUTIVE SUMMARY The energy audit performed by SWA encompasses eleven buildings of various ages and constructions. A report has been generated for each building in order to fully document the existing conditions and recommended Energy Conservation Measures (ECMs). Based on the field visits performed by Steven Winter Associates (SWA) staff on April 21 st, 22 nd, 23 rd and 24 th, 2009 and the results of a comprehensive energy analysis, this report describes the site s current conditions and recommendations for improvements. Suggestions for measures related to energy and conservation and improved comfort are provided in the scope of work. Energy and resource savings are estimated for each measure that results in a reduction of heating, cooling and electric usage. The Conference Center (ATCC) Building is currently not metered separately and receives both electricity and gas from main campus meters. In the most recent year (March 2008-February 2009), the RVCC main electric meter recorded approximately 7,807,991 kwh or $1,224, worth of electricity. The total amount of gas recorded by the three main gas meters in the campus was 392,183 therms or $534, worth of natural gas. Since the ATCC building is not metered separately for gas, SWA estimated the amount of gas consumed by this building alone, directly or indirectly, on a pro-rata basis by its square footage. The ATCC building consumed 10,690 therms of gas during this period at a total cost of $14, SWA benchmarked the ATCC Building as part of the RVCC campus using the U.S. Environmental Protection Agency s (EPA) Energy Star Portfolio Manager Energy benchmarking system. The Portfolio Manager is not currently capable of generating a benchmark score for the building to compare on a national average since the building is part of a campus. The Portfolio Manager is capable of generating a site energy use intensity number using the 12 months prior to February 2009 as a baseline year. The site energy use intensity for the RVCC campus is 184 kbtu/sq.ft/year. After energy efficiency improvements are made, future utility bills can be added to the Portfolio Manager and the site energy use intensity of a different time period can be compared to the current year baseline to show changes in energy consumption over time. SWA recommends a total of 7 Energy Conservation Measures (ECMs) for the ATCC Building. The total investment cost for these ECMs is $98,773. The total investment cost for these ECMs if maximum incentives are achieved is $92,908. SWA estimates a first year savings of $24,148 with a simple payback of 4.1 years. SWA estimates that implementing the recommended ECMs will reduce the carbon footprint of the ATCC building by 258,471 lbs of CO 2 annually. There are various incentives that the ATCC Building could apply for that could also help lower the cost of installing the ECMs. SWA recommends that the ATCC Building applies for the NJ SmartStart program through the New Jersey Office of Clean Energy. This incentive can help provide technical assistance for the building in the implementation phase of any energy conservation project. RVCC should consider applying to the New Jersey Clean Energy Pay-for-Performance Program. Additional details are available in the SWA document Energy Audit Report Summary for all buildings. There are also prescriptive measure incentives that would pay RVCC up to $800 for lighting, $640 for upgrading lighting controls, $4,425 for premium efficiency motors with VFD controls, and $100 for replacing the existing DHW boilers with newer condensing type boilers. The total amount of incentives available for the ATCC Building is $5,865 and the total investment cost if all the incentives are paid to their maximum amount is $92,908. The following table summarizes the proposed Energy Conservation Measures (ECM) are their economical relevance. RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 4/34

5 ECM Table without Incentives Installed Cost Natural Gas 1st year energy savings ECM# ECM description Estimated $ Source Electric (kwh) Unit (therms) Unit Demand Unit $ /year SPP LoM Cost ROI (lbs of CO2) 1a Upgrade existing lighting $ 6,840 RSMeans 8,063 kwh - therms 0.9 kw $ 1, $ 18, % 14,437 1b Upgrade existing lighting controls $ 7,040 RSMeans 14,413 kwh - therms 0.0 kw $ 2, $ 21, % 25,807 2 Weather-strip exterior doors $ 317 RSMeans - kwh 61 therms 0.0 kw $ $ % Replace motors on two 20 ton rooftop units $ 19,900 Similar project 65,000 kwh - therms 5.8 kw $ 10, $ 85, % 116,383 4 Replace motors on one 15 ton rooftop unit $ 9,500 Similar project 27,500 kwh - therms 2.4 kw $ 4, $ 35, % 49,239 5 Replace 500Kva transformer $ 28,476 RSMeans 10,646 kwh - therms 1.2 kw $ 1, $ 32, % 19,062 6 Retro commissioning $ 26,700 Similar project 2,340 kwh 2,602 therms 0.3 kw $ 4, $ 38, % 32,872 Total Total Scope of Work $ 98, ,962-2, $ 24, $ 233, ,471 Lifetime Annual Carbon Reduction ECM Table including Incentives Installed Cost Natural Gas 1st year energy savings ECM# ECM description Estimated $ Source Electric (kwh) Unit (therms) Demand Unit $ /year SPP LoM Cost ROI (lbs of CO2) 1a Upgrade existing lighting $ 6,040 RSMeans 8,063 kwh - therms 0.9 kw $ 1, $ 18, % 14,437 1a Upgrade existing lighting $ 6,400 RSMeans 14,413 kwh - therms 0.0 kw $ 2, $ 21, % 25,807 2 Weather-strip exterior doors $ 317 RSMeans - kwh 61 therms 0.0 kw $ $ % Replace motors on two 20 ton rooftop units $ 16,950 Similar project 65,000 kwh - therms 5.8 kw $ 10, $ 85, % 116,383 4 Replace motors on one 15 ton rooftop unit $ 8,025 Similar project 27,500 kwh - therms 2.4 kw $ 4, $ 35, % 49,239 5 Replace 500Kva transformer $ 28,476 RSMeans 10,646 kwh - therms 1.2 kw $ 1, $ 32, % 19,062 6 Retro commissioning $ 26,700 Similar project 2,340 kwh 2,602 therms 0.3 kw $ 4, $ 38, % 32,872 Total Total Scope of Work $ 92, ,962-2, $ 24, $ 233, ,471 Lifetime Annual Carbon Reduction Definitions: SPP: Simple Payback (years) LoM: Life of Measure (years) ROI: Return on Investment (%) Assumptions: Discount rate: Energy price escalation rate: 3.2% per DOE FEMP guidelines 0% per DOE FEMP guidelines RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 5/34

6 1. HISTORIC ENERGY CONSUMPTION 1.1. Energy usage and cost analysis SWA analyzed utility bills from March 2008 through February 2009 that were received from Raritan Valley Community College. Electricity The ATCC Building is currently not metered separately for electricity. The Main Campus electric meter currently buys electricity from JCP&L at an average rate of $.155/kWh based on the previous 12 months worth of utility bills. The Main Campus electric meter purchased approximately 7,807,991 kwh or $1,224, worth of electricity in the previous year. The data also reflected that demand peaked at 1945 kw in April. Natural Gas The ATCC Building is currently not metered separately for natural gas. The Campus buys natural gas for its three main meters mentioned above from a third-party Energy Service Company (ESCO) via PSE&G at an average aggregated rate of $1.36/therm based on the previous 12 months worth of utility bills. The three gas meters purchased approximately 392,183 therms or $534, worth of natural gas in the previous year. Since the building is not metered separately for gas, SWA estimated the amount of gas consumed by the ATCC building alone on pro-rata basis of its square footage. This building consumed 10,690 therms of gas during this period at a total cost of $14, The following charts show electricity usage (kwh) and electricity demand (kw) for the Main Campus electric meter based on utility bills for the 12 month period of March 2008 February Please note that March 08 and April 09 demand in kw was estimated the same as March 09 and April 09 demand in kw. Main Electric Use (kwh/month) 800, , , ,000 kwh 400, , , ,000 - Jul-06 Aug-06 Sep-06 Oct-06 Nov-06 Dec-06 Jan-07 Feb-07 Mar-07 Apr-07 May-07 Jun-07 Date RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 6/34

7 Electric Demand (kw) Annual Electric Demand(kW) Electric Mar-08 Apr-08 May-08 Jun-08 Jul-08 Aug-08 Sep-08 Oct-08 Nov-08 Date (Month-Year) Dec-08 Jan-09 Feb-09 Mar-09 Apr-09 The following chart shows natural gas usage for the Main Campus meter based on utility bills for the 12 month period of March 2008 February ,000 Total Campus Gas Use (three main meters) (therms/month) 60,000 50,000 Therms 40,000 30,000 20,000 10,000 0 Mar-08 Apr-08 May-08 Jun-08 Jul-08 Aug-08 Sep-08 Oct-08 Nov-08 Dec-08 Jan-09 Feb-09 Date RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 7/34

8 Since the ATCC building is not metered separately for gas, SWA estimated the amount of gas consumed by the building alone on pro-rata basis by square footage of various spaces for the 12 month period of March 2008 February 2009, as follows: Conference Center- Area based Pro-rata (therms/month) Therms Mar-08 Apr-08 May-08 Jun-08 Jul-08 Aug-08 Sep-08 Oct-08 Nov-08 Dec-08 Jan-09 Feb-09 Date 1.2. Utility rate Electricity is received from the Main Campus electric meter which is purchased from JCP&L at a general service market rate for electricity usage (kwh) with a separate (kw) demand charge. The Main Campus electric meter currently pays an average rate of approximately $0.155/kWh based on the previous 12 months of utility bills. Natural gas is received from the Main Campus gas meter which is purchased at a general service market rate for natural gas (therms). The Campus gas meters that provide natural gas service, directly or indirectly, to the ATCC building currently pay an average aggregated rate of approximately of $1.36/therm based on the previous 12 months of utility bills Energy benchmarking The ATCC Building information and utility data were entered into the U.S. Environmental Protection Agency s (EPA) Energy Star Portfolio Manager Energy benchmarking system. The building data could be documented; however, a performance score could not be generated since the building shares a meter as part of the campus. The Energy Star Portfolio Manager currently is not capable of generating a benchmark score for certain building types such as college campuses. SWA has created a Portfolio Manager account for RVCC to access the information. This information can be accessed at: SWA is also sharing the Portfolio Manager information with TRC Energy Services. RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 8/34

9 RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 9/34

10 2. FACILITY AND SYSTEMS DESCRIPTION 2.1. Building Characteristics The Conference Center was built in 1997 and currently houses the RVCC administrative offices and conference center. The building is two stories with a basement that houses electric equipment and storage rooms. The total area of the building is 17,800 square feet Building occupancy profiles The occupancy for the Conference Center fluctuates from day to day with different use of the conference areas. The building is typically occupied from 7am to 10pm on weekdays throughout the entire year and the conference area is used occasionally on weekends for special events Building envelope Exterior walls The Conference Center exterior walls consist of 4 face bricks. There are 6 metal studs spaced 16 on center located on the inside of the exterior wall with 6 of R-19 fiberglass batt insulation between each metal stud. The portion of the building that houses the conference area has a high percentage of window area (glazing) that allows natural light into the building. Below is a picture that captures both the brick façade and glazing using a digital camera and also an infrared camera. Digital picture showing typical glazed section RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 10/34

11 The brick façade absorbs solar radiation, storing heat within each brick. Red represents a warmer surface temperature. The windows contain a reflective film that rejects some solar radiation in order to reduce cooling costs. Blue represents a cooler surface temperature. Infrared picture showing same typical glazed section shown above During the site visit and data collection period, SWA performed an infrared scan of the building. The infrared scan was performed early in the morning when the outdoor temperature was round 50ºF. The infrared scan showed that each section was uniform and SWA determined that no problematic areas existed in the building envelope. The glazed areas located in the conference room area take advantage of windows that have a reflective film to reflect solar radiation. In the above infrared scan, there is a clear temperature difference between the brick exterior façade and the window areas. SWA evaluated adding additional insulation to the exterior walls of the building in order to reduce thermal losses through the building envelope, but the cost of implementing this measure would be prohibitive. If RVCC decides to do any type of capital improvement to the exterior shell of a building, insulation with a high-effective R-value is always recommended as well as reflective window film on highly glazed areas to reduce the load of the heating and cooling systems Roof The Conference Center building consists of a flat roof with 18 parapets around the perimeter. The roof is constructed of EPDM rubber with stone ballast on tapered rigid insulation over a metal deck. The stone ballast is a medium gray color. On the day of the site visit, SWA inspected the roof and observed no major deficiencies. SWA recommends that if the roof is ever replaced that a well-insulated roof is installed with a light-colored Energy Star reflective surface to cut down on solar heat gain. RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 11/34

12 Base The building s base is 4 concrete slab-on grade. There is a small basement with dimensions of approximately 50 by 24 located under the conference area that houses electrical equipment and a small storage area Windows The building contains aluminum-framed windows with double-pane glass. Due to the high percentage of glazing, windows in the conference area contain a reflect film that reflects solar radiation away from the building. The conference area windows are also double-paned with a half inch of air space that acts as an insulator Exterior doors The exterior doors of the building were observed to have the original weather-stripping which is no longer performing as intended. SWA recommends that the exterior doors of the building, especially the vestibule located at the main entrance, is weather-stripped in order to decrease the amount of conditioned are that is lost around each door. SWA also recommends checking the weather-stripping of each door on a regular basis and replacing any broken seals immediately. Tight seals around the door will help ensure that the building is kept tight and insulated over time Building air tightness The ATCC Building was observed to be a relatively tight building with the exception of the exterior doors. There were no major observed deficiencies of air tightness within the building besides the exterior doors HVAC systems Heating The ATCC Building is partly fed from existing campus hot water (HW) loop connection. In addition to the existing hot water loop, the building utilizes seven electric cabinet heaters in the stairwells and three rooftop Carrier units with electric cooling and gas heating. The three stand alone rooftop units can support off hour activities without the hot water from the central loop. Hot water reheat coils, inside the existing ducts serving the 3 roof top units, provide additional heat to spaces Cooling The Conference Center building is not connected to the existing chilled water (CHW) loop on campus. The cooling needs are met by 3 rooftop DX Trane units. SWA considered connecting the building to the CHW loop, but the distance to the closest connector does not make this option a cost effective ECM; further, the building conducts its own events at times when the central plant may not be operating. Hence, SWA does not recommend connecting this building to the chilled water loop. RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 12/34

13 Ventilation The building uses the rooftop units to provide fresh air to the building in combination with natural ventilation for the administrative office areas Domestic Hot Water Domestic Hot Water is provided by one 45 gallons, 3kW electric hot water heater tank. SWA recommends considered replacing this with a gas fired heater. The economics alone do not justify a replacement because of the small savings in kwh Electrical systems Lighting Interior Lighting The ATCC building uses a mix of various efficient and inefficient lighting. Areas such as the administrative offices on the second floor, stairwells and bathrooms all have T12 magnetic fixtures that should be replaced. Most of the smaller, canned fixtures already contain CFL bulbs and do not require any upgrading. Based on measurements of lighting levels that were measured for each space, there are no vastly over-lit areas. SWA recommends replacing all T12 lighting including magnetic ballasts with T8 lighting and electronic ballasts. Since mechanical rooms and bathrooms are used sporadically throughout the day and are commonly left on for beyond the necessary hours of operation, SWA recommends installing occupancy sensors with a time delay. Typically occupancy sensors have an adjustable time delay that shuts down the lights automatically if no motion is detected within a set time period. See attached lighting schedule for a complete inventory of lighting throughout the building and estimated power consumption. Exit Lights The building contains all 5W LED exit signs. Exterior Lighting The exterior lighting was surveyed during the building audit. SWA has deemed it not cost effective to replace exterior lighting at this time. All exterior lighting is controlled by a timer located in the boiler room. There is no need for any immediate upgrade of lighting or timer; however, SWA recommends that the building maintenance adjust the timer at least twice per year in order to make sure that the timer stays current with Daylight Time Appliances and process SWA has surveyed all appliances installed at the ATCC Building and have deemed that it would not be cost effective to replace any appliances at this time. SWA recommends that the most energy efficient options are always chosen whenever any appliances including computers, dispatch radio equipment, refrigerators, etc. are purchased Elevators The ATCC Building contains no elevators Other electrical systems There are currently no other electrical systems installed at this building. RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 13/34

14 3. EQUIPMENT LIST Building System Description Location Model# Fuel Space served Year Equip Installed HVAC HVAC HVAC Ventilation Ventilation Ventilation Ventilation Ventilation Ventilation Ventilation Ventilation Heating Transformer Note: RTU1: Roof top DX cooling, gas heating, 6000cfm, 600cfm OA, 195MBH cooling, heating 250/203 in/out MBH, 15hp fan RTU2: Roof top DX cooling, gas heating, 8000cfm, 2700cfm OA, 254MBH cooling, heating 600/486 in/out MBH, 20hp fan RTU3: Roof top DX cooling, gas heating, 8000cfm, 3000cfm OA, 254MBH cooling, heating 485/388 in/out MBH, 20hp fan EF1: Exhaust fan, 200cfm, 1/4hp, 120/1/60 EF2: Exhaust fan, 200cfm, 1/8hp, 120/1/60 EF3: Exhaust fan, 200cfm, 1/20hp, 120/1/60 EF4: Exhaust fan, 200cfm, 1/20hp, 120/1/60 EF5: Exhaust fan, 200cfm, 1/8hp, 120/1/60 EF6: Exhaust fan, 1300cfm, 1/4hp, 120/1/60 EF7: Exhaust fan, 1800cfm, 1/3hp, 120/1/60 EF8: Exhaust fan, 200cfm, 1/25hp, 120/1/60 DHW tank, 45 gallons, 208/1/60, 3kW total 500kVA, 12.47kV, 480/277V 3Ph High roof Lower roof Lower roof Trane, Model YCD210C4L0BA; S/N M D Trane, Model YCH330A4HC2820G1AH; S/N J97F91453 Trane, Model SFHFC554HM44C69D3F01 BDEGKRT8; S/N J97E71600 Elec./Gas Elec./Gas Elec./Gas Atrium, breakout room, 1st floor Offices, comm. Room on 2nd floor Conference room, banquet, gallery Remaining useful life % % % % Roof Cook, 135ACE, S/N Elec. Men's room % Roof Cook, 135ACE, S/N Elec. Women's room % Roof Cook, 90C15DH Elec. Men's room % Roof Cook, 90C15DH Elec. Women's room % Roof Cook 135C3B Elec. Comm room % Roof Cook 135C3B Elec. Blow room % Roof Cook 165CB Elec. Conf. room % Roof Cook 150C5B Elec. Kitchen % Mechanical room AO Smith, Model DEN , S/N 0841 M Elec. Conference center % Outside, on grade Name plate N/A Elec. Electric service for % Conference center The remaining useful life of a system (in %) is an estimate based on the system date of built and existing conditions derived from visual inspection. RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 14/34

15 4. ENERGY CONSERVATION MEASURES Summary table ECM# Description 1a Upgrade existing lighting; upgrade all T12 magnetic fixtures to T8 electronic fixtures. Add occupancy sensors to all restrooms 1b Upgrade interior lighting controls; see appendix A 2 Weather-strip exterior doors; weather-stripping will decrease the amount of conditioned air that is lost between the exterior door and frame 3 Replace standard efficiency motors on rooftop units; Replace existing motors and install NEMA premium efficiency motors with VFD controls for two 20 ton existing rooftop units 4 Replace standard efficiency motors on rooftop units; Replace existing motors and install NEMA premium efficiency motors with VFD controls for 15 ton existing rooftop unit 5 Replace 500Kva transformer with high efficiency, K-rated, dry unit. 6 Retro commissioning Perform retro commissioning on building to optimize building controls RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 15/34

16 ECM#1a: Upgrade existing lighting Description: On the day of the site visit, SWA completed a lighting inventory of the ATCC Building on the RVCC campus. Much of the existing lighting consists of T12 magnetic fixtures. SWA recommends replacing all T12 magnetic fixtures with T8 electronic fixtures. There are also approximately 12 fixtures that have T8 fluorescent lamps but still use magnetic ballasts, SWA recommends replacing the ballasts with newer type electronic ballasts. Additionally, there are 9 new fixture recommendations in items 1,69,& 70 in Appendix A, sheet 2, with daylight sensor controls. SWA recommends installing fixtures with built-in daylight photo sensors. Installation cost: Estimated installed cost: $6,840 Source of cost estimate: RS Means Economics (without incentives): Annual Natural Lifetime Annual Carbon Electric (kwh) Gas (therms) Demand (kw) Dollar /year SPP LoM Cost ROI Reduction (lbs of CO2) 8, $ 1, $ 18, % 14,437 Economics (with incentives): Annual Natural Lifetime Annual Carbon Electric (kwh) Gas (therms) Demand (kw) Dollar /year SPP LoM Cost ROI Reduction (lbs of CO2) 8, $ 1, $ 18, % 14,437 Assumptions: SWA calculated the savings for this measure using measurements taken the day of the field visit and using the billing analysis. Rebates/financial incentives: NJ Clean Energy Prescriptive Lighting Incentive, Incentive based on installing T5 or T8 lamps with electronic ballasts in existing facilities ($10-$30 per fixture, depending on quantity of lamps). Maximum incentive amount is $720. Options for funding ECM: This project may benefit from enrolling in NJ SmartStart program with Technical Assistance to offset a portion of the cost of implementation. RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 16/34

17 ECM#1b: Upgrade interior lighting controls Description: Currently, the Conference Center Building lighting is mostly controlled by manual switches. In most areas, lights are on from 7 am through 10 pm; in other areas, lights may be switched off by people owning responsibility for these areas, such as janitor owns responsibility for the janitor rooms. SWA performed an evaluation of installing occupancy sensors in large spaces, offices and bathrooms that may be left unoccupied a considerable amount of time throughout the day. Further details on the quantity and areas for the occupancy sensors recommendation be found in Appendix A, Sheet 3. Dual Technology occupancy sensors provide 360 of coverage and use both passive infrared and ultrasonic technologies to sense occupancy. Installation cost: Estimated installed cost: $7,040 Source of cost estimate: RS Means Economics (without incentives): Annual Natural Lifetime Annual Carbon Electric (kwh) Gas (therms) Demand (kw) Dollar /year SPP LoM Cost ROI Reduction (lbs of CO2) 14, $2, $ 21, % 25,807 Economics (with incentives): Annual Natural Lifetime Annual Carbon Electric (kwh) Gas (therms) Demand (kw) Dollar /year SPP LoM Cost ROI Reduction (lbs of CO2) 14, $ 2, , % 25,807 Assumptions: SWA calculated the savings for this measure using reduced hours of operation after the installation of occupancy sensors; please see Appendix A, Sheet 3, for the new hours/day assumed. Rebates/financial incentives: NJ Clean Energy - Wall Mounted occupancy sensors ($20 per control) Maximum incentive amount is $640. Options for funding ECM: This project may benefit from enrolling in NJ SmartStart program with Technical Assistance to offset a portion of the cost of implementation. RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 17/34

18 ECM#2: Weather-strip exterior doors Description: On the day of the site visit, SWA observed that exterior door weather-stripping was beginning to deteriorate. Doors and vestibules should be observed annually for deficient weather-stripping and replaced as needed. The weather-stripping observed at the ATCC Building was intact but worn out in some areas and no longer performing as expected. Installation cost: Estimated installed cost: $317 Source of cost estimate: RS Means Economics (without incentives): Annual Natural Lifetime Annual Carbon Electric (kwh) Gas (therms) Demand (kw) Dollar /year SPP LoM Cost ROI Reduction (lbs of CO2) $ $ % 672 Economics (with incentives): Annual Natural Lifetime Annual Carbon Electric (kwh) Gas (therms) Demand (kw) Dollar /year SPP LoM Cost ROI Reduction (lbs of CO2) $ $ % 672 Assumptions: SWA calculated the savings for this measure using measurements taken the day of the field visit and using the billing analysis. SWA calculated savings using equest and assuming that infiltration would be reduce by 5% on any wall that included an exterior door that needed weatherstripping. Rebates/financial incentives: There are no incentives available for this measure at this time. Options for funding ECM: This project may benefit from enrolling in NJ SmartStart program with Technical Assistance to offset a portion of the cost of implementation. RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 18/34

19 ECM#3: Replace standard efficiency motors on 20 ton rooftop units Description: The rooftop air handling units currently use standard efficiency motors to power the fan contained within the unit. SWA recommends that the two 20 ton Carrier rooftop units are upgraded with NEMA premium efficiency 5HP motors with VFD controls. Premium efficiency motors have a much higher efficiency than standard motors and can also operate at different speeds than conventional motors. Installation cost: Estimated installed cost: $19,900 Source of cost estimate: RSMeans Economics (without incentives): Annual Natural Lifetime Annual Carbon Electric (kwh) Gas (therms) Demand (kw) Dollar /year SPP LoM Cost ROI Reduction (lbs of CO2) 65, $ 10, $ 85, % 116,383 Economics (with incentives): Annual Natural Lifetime Annual Carbon Electric (kwh) Gas (therms) Demand (kw) Dollar /year SPP LoM Cost ROI Reduction (lbs of CO2) 65, $ 10, $ 85, % 116,383 Assumptions: SWA calculated the savings for this measure using measurements taken the day of the field visit and using the billing analysis. Rebates/financial incentives: NJ Clean Energy Premium Motors Incentive, Three-phase motors ($45-$700 per motor). Maximum incentive amount is $1,400. NJ Clean Energy Variable Frequency Drives Incentive, Variable air volume ($65-$155 per hp). Maximum incentive amount is $1,550. Options for funding ECM: This project may benefit from enrolling in NJ SmartStart program with Technical Assistance to offset a portion of the cost of implementation. RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 19/34

20 ECM#4: Replace standard efficiency motor on 15 ton rooftop unit Description: The rooftop air handling units currently use standard efficiency motors to power the fan contained within the unit. SWA recommends that the one 15 ton Carrier rooftop unit is upgraded with a NEMA premium efficiency 5HP motor with VFD controls. Premium efficiency motors have a much higher efficiency than standard motors and can also operate at different speeds than conventional motors. Installation cost: Estimated installed cost: $9,500 Source of cost estimate: RSMeans Economics (without incentives): Annual Natural Lifetime Annual Carbon Electric (kwh) Gas (therms) Demand (kw) Dollar /year SPP LoM Cost ROI Reduction (lbs of CO2) 27, $ 4, $ 35, % 49,239 Economics (with incentives): Annual Natural Lifetime Annual Carbon Electric (kwh) Gas (therms) Demand (kw) Dollar /year SPP LoM Cost ROI Reduction (lbs of CO2) 27, $ 4, $ 35, % 49,239 Assumptions: SWA calculated the savings for this measure using measurements taken the day of the field visit and using the billing analysis. Rebates/financial incentives: NJ Clean Energy Premium Motors Incentive, Three-phase motors ($45-$700 per motor). Maximum incentive amount is $700. NJ Clean Energy Variable Frequency Drives Incentive, Variable air volume ($65-$155 per hp). Maximum incentive amount is $775. Options for funding ECM: This project may benefit from enrolling in NJ SmartStart program with Technical Assistance to offset a portion of the cost of implementation. RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 20/34

21 Description: ECM#5: Replace 500Kva transformer with high efficiency, K-rated, dry unit The recommended measure consists of disconnecting and removing the existing distribution transformer and installing a new unit compliant with DOE s latest standards of high efficiency transformers. The design should include load calculations and sizing of the new system in order to achieve the best possible efficiency for this application. The current transformer efficiency is 96.5% and SWA proposes that a transformer with efficiency of 99.1% (Nema TP1) is used. Installation cost: Estimated installed cost: $28,476 Source of cost estimate: RSMeans Economics (without incentives): Annual Natural Lifetime Annual Carbon Electric (kwh) Gas (therms) Demand (kw) Dollar /year SPP LoM Cost ROI Reduction (lbs of CO2) 10, $ 1, $ 32, % 19,062 Economics (with incentives): Annual Natural Lifetime Annual Carbon Electric (kwh) Gas (therms) Demand (kw) Dollar /year SPP LoM Cost ROI Reduction (lbs of CO2) 10, $ 1, $ 32, % 19,062 Assumptions: SWA calculated the savings for this measure using measurements taken the day of the field visit and using the billing analysis. SWA based calculations on the results of an electric survey that was performed in September 2007 at the ATCC building. Results of this 7-day monitoring period were provided by RVCC. Because the period of measurement is a representative sample of the overall yearly electric usage from the electric bills, we pro-rated the 7-day measured electric usage to estimate the current yearly electric consumption of the building. are calculated based on the efficiency performance of a new, high efficiency model (source DOE/EERE) sized to the existing capacity. While this assumption is conservative, re-sizing the equipment could lead to achieving further savings. Rebates/financial incentives: There are currently no incentives available for this measure at this time. RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 21/34

22 Options for funding ECM: This project may benefit from enrolling in NJ SmartStart program with Technical Assistance to offset a portion of the cost of implementation. This measure could have been applicable for grant from New Jersey Department of Environmental Protection under Local Government Greenhouse Gas Reduction Grant Program. The deadline for sending the preliminary application was September 4, 2009 it was mandatory to send a preliminary application before this date for access to this grant. SWA recommends to visit the following website in future to check for updates on the opening of a second round of grants in 2010: RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 22/34

23 ECM#6: Retro commissioning Description: SWA recommends that the ATCC building undergoes retro commissioning in order to fine tune any building system that may not be functioning as efficiently as possible. Typically controls are installed and then set in buildings when the building is first constructed. Most control systems are never readjusted after the building is in operation to fine tune any settings that may help the building run more efficiently. Installation cost: Estimated installed cost: $26,700 Source of cost estimate: Similar project Economics (without incentives): Annual Natural Lifetime Annual Carbon Electric (kwh) Gas (therms) Demand (kw) Dollar /year SPP LoM Cost ROI Reduction (lbs of CO2) 2,340 2, $ 4, $ 38, % 32,872 Economics (with incentives): Annual Natural Lifetime Annual Carbon Electric (kwh) Gas (therms) Demand (kw) Dollar /year SPP LoM Cost ROI Reduction (lbs of CO2) 2,340 2, $ 4, $ 38, % 32,872 Assumptions: SWA calculated the savings for this measure using measurements taken the day of the field visit and using the billing analysis. SWA assumes that a retro commissioning will result in an approximate savings of 5% for both heating and cooling. Rebates/financial incentives: There are currently no incentives available for this measure at this time. RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 23/34

24 Options for funding ECM: This project may benefit from enrolling in NJ SmartStart program with Technical Assistance to offset a portion of the cost of implementation. This measure could have been applicable for grant from New Jersey Department of Environmental Protection under Local Government Greenhouse Gas Reduction Grant Program. The deadline for sending the preliminary application was September 4, 2009 it was mandatory to send a preliminary application before this date for access to this grant. SWA recommends to visit the following website in future to check for updates on the opening of a second round of grants in 2010: RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 24/34

25 5. RENEWABLE AND DISTRIBUTED ENERGY MEASURES 5.1. Existing systems There are currently no existing renewable energy systems Solar Photovoltaic Solar Photovoltaic (PV) technology is not applicable for this project because the campus cannot be net metered due to an existing CHP system. Without net metering, the incentives available are considerably reduced and do not justify the investment Solar Thermal Collectors Solar thermal collectors are not cost effective for this project and would not be recommended due to the low amount of domestic hot water use throughout the building Combined Heat and Power Description: CHP is not applicable for this building because of existing campus-wide CHP unit already in place Geothermal Description: Geothermal is not applicable for this building because it would not be cost effective to change to a geothermal system Wind Description: Wind power production is not appropriate for this location, because required land is not available for the wind turbine. Also available wind energy resource is very low. 6. ENERGY PURCHASING AND PROCUREMENT STRATEGIES 6.1. Load profiles In 2007, a power survey was conducted at the ATCC Building by Trace Electrical Services and Testing. The survey was conducted by installing power recording meters for seven days at various buildings on campus. The ATCC Building was surveyed from September 25 th, 2007 through October 2 nd, The results of the test revealed that the ATCC Building had a peak demand of kw at 3:04pm on September 26 th, Over the seven-day period, there was a cumulative power usage of MWh or approximately kwh per day. An accurate load profile could not be determined from utility bills since this building is not metered separately, however a RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 25/34

26 load profile can be estimated from the equest model of the building. Below are the charts from equest that simulate an electric and natural gas profile Tariff analysis Currently, natural gas and electricity is provided to the ATCC Building through Main Campus gas and electric meters. Natural gas is purchased for the main campus meter from an ESCO and is provided through PSE&G at a general service rate. The general service rate for natural gas charges a market-rate price based on usage and the RVCC billing does not breakdown demand costs. Demand prices are reflected in the utility bills and can be verified by observing the price fluctuations throughout the year. Typically, the natural gas prices increase during the heating months when natural gas is used by the rooftop air-handling units. Electricity is purchased for the main campus meter from JCP&L at a general service rate. The general service rate for electricity charges a market-rate price based on usage and the RVCC billing does not breakdown demand costs. Demand prices are reflected in the utility bills and can be verified by observing the price fluctuations throughout the year Energy Procurement strategies ATCC Building receives natural gas from the main campus meter which already uses an Energy Services Company (ESCO) that acts as a third party energy supplier. Additionally, it receives part of its electricity generated by CHP, and hence consumes some gas indirectly. Electricity is received from the main campus electric meter directly from JCP&L and no ESCO is used. SWA analyzed the utility rate for electricity over the previous 12 months. Electric bill analysis shows fluctuations of 39% over the most recent 12 month period. Some of these fluctuations may have been caused by adjustments between estimated and actual meter readings; others may be due to unusually high and escalating energy costs in The average estimated NJ commercial utility rates for electric and gas are $0.150/kWh and $1.550/therm respectively. The ATCC building annual utility costs are $2, higher for electric when compared to the average estimated NJ commercial utility rates. SWA recommends that the RVCC further explore opportunities of purchasing both natural gas and RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 26/34

27 electricity from ESCOs in order to reduce rate fluctuation and ultimately reduce the annual cost of energy for the campus. Appendix C contains a complete list of third party energy suppliers for the service area. See RVCC is already enrolled in a Demand Response Program and Emergency Programs through a contract agreement with Enernoc. Prior to any curtailment or emergency events, temperature setpoints are decreased by a couple of degrees to boost the building thermal loads. This system allows RVCC to receive additional revenues from these energy programs without any disruption in occupants comfort. Average Electricity Rate ($/kwh) for the Main Electric meter (Mar Feb 2009) $0.200 $0.180 $0.160 $0.140 $0.120 $/kwh $0.100 $0.080 $0.060 $0.040 $0.020 $- Mar-08 Apr-08 May-08 Jun-08 Jul-08 Aug-08 Sep-08 Oct-08 Nov-08 Dec-08 Jan-09 Feb-09 Month Average Natural Gas Rate ($/therm) for the Main Campus meter (March February 2009) $2.00 $1.80 $1.60 $1.40 $/therm $1.20 $1.00 $0.80 $0.60 $0.40 $0.20 $0.00 March-08 April-08 May-08 June-08 July-08 August-08 September-08 October-08 November-08 December-08 January-09 February-09 Month RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 27/34

28 7. METHOD OF ANALYSIS 7.1. Assumptions and tools Energy modeling tool: equest V3.6 Cost estimates: RS Means 2009 (Facilities Maintenance & Repair Cost Data) RS Means 2009 (Building Construction Cost Data) RS Means 2009 (Mechanical Cost Data) Cost estimates also based on utility bill analysis and prior experience with similar projects 7.2. Disclaimer This engineering audit was prepared using the most current and accurate fuel consumption data available for the site. The estimates that it projects are intended to help guide the owner toward best energy choices. The costs and savings are subject to fluctuations in weather, variations in quality of maintenance, changes in prices of fuel, materials, and labor, and other factors. Although we cannot guarantee savings or costs, we suggest that you use this report for economic analysis of the building and as a means to estimate future cash flow. THE RECOMMENDATIONS PRESENTED IN THIS REPORT ARE BASED ON THE RESULTS OF ANALYSIS, INSPECTION, AND PERFORMANCE TESTING OF A SAMPLE OF COMPONENTS OF THE BUILDING SITE. ALTHOUGH CODE-RELATED ISSUES MAY BE NOTED, SWA STAFF HAVE NOT COMPLETED A COMPREHENSIVE EVALUATION FOR CODE-COMPLIANCE OR HEALTH AND SAFETY ISSUES. THE OWNER(S) AND MANAGER(S) OF THE BUILDING(S) CONTAINED IN THIS REPORT ARE REMINDED THAT ANY IMPROVEMENTS SUGGESTED IN THIS SCOPE OF WORK MUST BE PERFORMED IN ACCORDANCE WITH ALL LOCAL, STATE, AND FEDERAL LAWS AND REGULATIONS THAT APPLY TO SAID WORK. PARTICULAR ATTENTION MUST BE PAID TO ANY WORK WHICH INVOLVES HEATING AND AIR MOVEMENT SYSTEMS, AND ANY WORK WHICH WILL INVOLVE THE DISTURBANCE OF PRODUCTS CONTAINING MOLD, ASBESTOS, OR LEAD. RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 28/34

29 Appendix A: Lighting study (Sheet 1 Existing lights) RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 29/34

30 Appendix A: Lighting study (Sheet 2 Proposed lights) RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 30/34

31 Appendix A: Lighting study (Sheet 3 Proposed lighting controls) # Building Level/Floor Location in Building Measured Lighting Level in Footcandles Fixture Type Ballast Type No. of Fixtures No. of Lamps Type of Lamp Watts/Lamp Hrs/Day 1 Conference Center First Floor Corridor to South Building 60 4' linear T8 electronic 6 3 Fluorescent DL sensor Yes Conference Center First Floor Lobby Area 40 40W Halogen/flood Halogen Occ. sensor 2 Yes Conference Center First Floor Lobby Area 40 LED Exit Sign LED None No 4 4 Conference Center First Floor Lobby Area 40 32W CFLs CFL Sw itch No Conference Center First Floor Front Vestibule 40 40W Halogen/flood Halogen Sw itch No Conference Center First Floor Lobby Area - Display Cases 40 4' linear T8 electronic 3 1 Fluorescent Sw itch No 96 7 Conference Center First Floor Computer Room 46 4' linear T8 electronic 8 3 Fluorescent Occ. sensor 1 No Conference Center First Floor Computer Room 46 20W CFLs CFL Sw itch No Conference Center First Floor Room ' linear T8 electronic 8 3 Fluorescent Occ. sensor 1 No Conference Center First Floor Room W CFLs CFL Sw itch No Conference Center First Floor Room ' linear T8 electronic 8 3 Fluorescent Occ. sensor 1 No Conference Center First Floor Room W CFLs CFL Sw itch No Conference Center First Floor Main Corridor 47 4' linear T8 electronic 9 3 Fluorescent Occ. sensor 2 No Conference Center First Floor Main Corridor 47 LED Exit Sign LED None No Conference Center First Floor Corridor by Conference Rooms 48 32W CFLs Fluorescent Occ. sensor 2 No Conference Center First Floor Corridor by Conference Rooms 48 4' linear T8 electronic 6 3 Fluorescent Occ. sensor 1 Yes Conference Center First Floor Corridor by Conference Rooms 48 LED Exit Sign Fluorescent None No Conference Center First Floor Stairwell near Conference Rooms 26 LED Exit Sign LED None No Conference Center First Floor Stairwell near Conference Rooms 26 4' linear T8 electronic 3 2 Fluorescent Sw itch No Conference Center First Floor Storage in basement 11 4' linear T8 electronic 10 2 Fluorescent Occ. sensor 1 No Conference Center First Floor Men's Room 25 4' linear T8 electronic 1 2 Fluorescent Sw itch No Conference Center First Floor Men's Room 25 4' linear T8 electronic 3 3 Fluorescent Occ. sensor 1 No Conference Center First Floor Vestibule into Men's Room 75 4' linear T8 electronic 1 3 Fluorescent Sw itch No Conference Center First Floor Women's Room 25 4' linear T8 electronic 2 2 Fluorescent Occ. sensor 1 No Conference Center First Floor Women's Room 25 4' linear T8 electronic 3 3 Fluorescent Occ. sensor 1 No Conference Center First Floor Small hallw ay near bathrooms 34 4' linear T8 electronic 2 3 Fluorescent Sw itch No Conference Center First Floor Storage by Prep Room 41 4' linear T8 electronic 1 1 Fluorescent Sw itch No Conference Center First Floor Prep Room 42 4' linear T8 electronic 2 3 Fluorescent Occ. sensor 1 No Conference Center First Floor Stairwell near Prep Room 21 4' linear T8 electronic 2 3 Fluorescent Sw itch No Conference Center First Floor Storage Rooms in Conference Rooms 24 4' linear T8 electronic 6 1 Fluorescent Occ. sensor 1 No Conference Center First Floor Conference Room A 62 2' linear T8 electronic 11 3 Fluorescent Occ. sensor 1 No Conference Center First Floor Conference Room A 62 32W CFLs CFL Occ. sensor 1 No Conference Center First Floor Conference Room A 62 LED Exit Sign LED Sw itch No Conference Center First Floor Conference Room B 62 2' linear T8 electronic 11 3 Fluorescent Occ. sensor 1 No Conference Center First Floor Conference Room B 62 32W CFLs CFL Occ. sensor 1 No Conference Center First Floor Conference Room B 62 LED Exit Sign LED Sw itch No 5 37 Conference Center First Floor Conference Room C 62 2' linear T8 electronic 11 3 Fluorescent Occ. sensor 1 No Conference Center First Floor Conference Room C 62 32W CFLs CFL Occ. sensor 1 No Conference Center First Floor Conference Room C 62 LED Exit Sign LED Sw itch No 5 40 Conference Center Second Floor Corridor to South Building 15 Halogen/flood Halogen 15 0 Sw itch No 0 41 Conference Center Second Floor Corridor to South Building 15 LED Exit Sign LED None No 5 42 Conference Center Second Floor Corridor in front of Conference Room 40 4' linear T8 electronic 3 3 Fluorescent Sw itch No Conference Center Second Floor Corridor in front of Conference Room 40 LED Exit Sign LED None No Conference Center Second Floor Corridor in front of Conference Room 40 4' linear T8 electronic 1 4 Fluorescent Sw itch No Conference Center Second Floor Community (Conference) Room 75 2' U-shaped T8 electronic 6 3 Fluorescent Occ. sensor 1 No Conference Center Second Floor Community (Conference) Room 75 Halogen/flood Halogen 10 0 Occ. sensor 1 No 0 47 Conference Center Second Floor Secretarial Area 60 4' linear T8 electronic 2 3 Fluorescent Switch No Conference Center Second Floor Secretarial Area 60 LED Exit Sign LED None No Conference Center Second Floor President's Office 80 2' U-shaped T8 electronic 7 3 Fluorescent Sw itch No Conference Center Second Floor Closet in Corridor 15 4' linear T8 electronic 1 2 Fluorescent Sw itch No Conference Center Second Floor Vice President's Office (1) 50 2' U-shaped T8 electronic 4 3 Fluorescent Sw itch No Conference Center Second Floor Vice President's Office (2) 45 2' U-shaped T8 electronic 4 3 Fluorescent Sw itch No Conference Center Second Floor Waiting Area 36 2' U-shaped T8 electronic 6 2 Fluorescent DL sensor Yes Conference Center Second Floor Waiting Area 36 LED Exit Sign LED None No 5 55 Conference Center Second Floor Kitchen Area 75 4' linear T8 electronic 2 3 Fluorescent Occ. sensor 1 No Conference Center Second Floor Kitchen Area 75 4' linear T8 electronic 1 3 Fluorescent Occ. sensor 1 No Conference Center Second Floor Copy Room 75 4' linear T8 electronic 1 3 Fluorescent Sw itch No Conference Center Second Floor Janitor's Closet 30 4' linear T8 electronic 1 2 Fluorescent Occ. sensor 1 No Conference Center Second Floor Hallw ay by Janitor's Closet 100 4' linear T8 electronic 1 3 Fluorescent Occ. sensor 1 No Conference Center Second Floor Hallw ay by Janitor's Closet 100 LED Exit Sign Fluorescent None No 5 61 Conference Center Second Floor Women's Room 50 4' linear T8 electronic 2 3 Fluorescent Occ. sensor 1 No Conference Center Second Floor Women's Room 50 4' linear T8 electronic 1 2 Fluorescent Sw itch No Conference Center Second Floor Men's Room 50 4' linear T8 electronic 2 3 Fluorescent Occ. sensor 1 No Conference Center Second Floor Men's Room 50 4' linear T8 electronic 1 2 Fluorescent Sw itch No Conference Center Second Floor Closet in Men's Room 100 4' linear T8 electronic 1 3 Fluorescent Sw itch No Conference Center Second Floor Hallway outside of Washrooms 30 2' U-shaped T8 electronic 2 3 Fluorescent Occ. sensor 1 No Conference Center Second Floor Electric equipment room in hallway 27 4' linear T8 electronic 2 2 Fluorescent Occ. sensor 1 No Conference Center Second Floor Storage next to electric equipment room 20 4' linear T8 electronic 1 2 Fluorescent Sw itch No Conference Center Second Floor Stairwell by Conference Room 63 4' linear T8 electronic 2 4 Fluorescent DL sensor Yes Conference Center Second Floor Stairwell by Conference Room 63 4' linear T8 electronic 1 2 Fluorescent DL sensor Yes 64 Totals Proposed Usage w ith existing controls (kwh/year) 69,784 Proposed Usage w ith new controls (kwh/year) 55,371 Total kwh savings 14,413 Total annual $ $ 2, Proposed Lighting Controls Energy Use (Watt hours/day) Controls number of new occupancy sensors 32 Daylighting possible? Total Power (W) RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 31/34

32 Appendix B: equest model RVCC Conference Center (ATCC) SWA, Inc. Local Government Energy Audit Report Page 32/34