California Statewide Utility Codes and Standards Program 4/27/ Lighting Stakeholder Meeting #2 Heschong Mahone Group, Inc. Clanton & Associates, Inc. Integrated Lighting Concepts, Inc. September 21, 2010

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes NR-3 Indoor Lighting ● Summary of current code requirements ● Typical practice ● Summary of code change proposals ● Data/findings ● Specifics of code change proposals ● Remaining data collection and analysis ● Specific stakeholder requests 22

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Current Code Requirements ● Prescriptive or Performance Compliance ● Performance – Computer Modeled Total Envelope Compliance (Systems Tradeoffs) ● Prescriptive Compliance (Lighting Stands Alone) ● Whole Building Method ● Building Area Method ● Tailored Method 3

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Typical Practice ● Prescriptive is Typical Practice ● Building or Area Method used for most spaces ● Tailored Method Frequently Used for: ● Retail ● Museums ● Hospitality ● Worship 4

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 5 Summary of Code Change Proposals ● Reduce Display Lighting LPD’s (tailored) ● Base models on CMH (possibly some LED) ● Explore Uses of LPD Cap (in line with Washington & ASHRAE ) ● Expand/Tighten Control Requirements ● Automated Controls – Tailored Compliance ● Display Window Controls – Tailored & Area ● Expand Daylighting for Retail ● Lower minimum foot-print requirement ● Tighten 14-foot lay-in ceiling loophole

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 6 Summary of Code Change Proposals ● Tailored Lighting Primary Target ● Reduce lighting power consumption while maintaining visual performance ( display lighting LPD’s CMH) ● Fewer Tailored Compliance Occupancies ● Area Category Compliance Fine Tuning ● Adjustments to accommodate for special requirements previously found in Tailored

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Data/Findings - Overview ● Lighting Practitioner Surveys ● Designers, engineers, contractors manufactures, suppliers and owners ● Over 1000 distributed - 98 responses ● Retail Store Site Surveys ● Discount, mainline and up-scale retail ● 167 technology surreys ● 60 detail surveys for excel models ● Modeling; Computer Simulations and Excel ● AGI -32 Computer Modeling ● Models with LPD technology studies using excel 7

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Data/Findings - Practitioner Surveys Profile of Practitioners 8

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Data/Findings - Practitioner Surveys Eliminate Tailored Method 9 No Clear Majority Opinion

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Data/Findings - Practitioner Surveys Tailored Method by Space Type 10 Used Mostly for Retail, Hospitality & Museum

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Data/Findings - Practitioner Surveys Tailored Compliance Use for Retail 11 45% Use Tailored Almost All The Time 67% Use Tailored Half of the Time NOTE: “Retail 100%” means all designs used Tailored Compliance

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Data/Findings - Practitioner Surveys CMH & LED Accent Lighting by % Rated “Good Or Better” Note: 2008 Survey 69% said CMH “Good or Better

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Data/Findings - Practitioner Surveys CMH is an acceptable alternative to Incandescent & Halogen by % Agree

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Data/Findings - Practitioner Surveys Expand Control Requirements Prerequisite for Tailored Compliance 14 91% “Good or Better”

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Data/Findings - Practitioner Surveys Use of Controls for Display Windows 15 79% “Good or Better” Not Acceptable Poor

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Expand Daylight Requirements for Retail 66% “Good or Better” Data/Findings - Practitioner Surveys

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes High End and Mainline Department Stores - 8 Data/Findings - Store Surveys Five in California, One in Washington and Two in Arizona

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Data/Findings - Store Surveys A: 1.6W LPD’s for High End Upscale Department Stores T: 2.3W KEY: Compliance Washington T24-05 Tailored T24-08 Tailored Lighting System  CFL & T5 with:  HIR 70%  CMH 30% W: 2.7W

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Data/Findings - Store Surveys T: 1.5W LPD’s for Mainline and Discount Department Stores KEY: Compliance ASHRAE T24-05 Area Method Lighting Systems  T8 and Metal Halide with:  HIR 30%  CMH 70% A: 1.6W W: 1.9W

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes High End Mall Sites - 5 Data/Findings - Store Surveys Two in California Two in Washington and One in Arizona

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Data/Findings - Store Surveys A LPD’s for Existing High End Retail Shops T W KEY: Compliance T : T24-08 Tailored W : Wash A : T24-08 Area Store Size Small Med Large Ave -All

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Outlet Mall Sites - 3 Data/Findings - Store Surveys Two in California and One in Washington

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Data/Findings - Store Surveys T A LPD’s for Existing Outlet and Discount Retail W KEY: Compliance T : T24-08 Tailored W : Wash A : T24-08 Area Store Size Small Med Large Ave -All

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Two in California Two in Washington and One in Arizona 24 Store Surveys – Technology Profiles ● Frequency of Latest Technologies Used ● Technologies Used for Display Lighting ● Technologies Used for Ambient Walls

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Two in California Two in Washington and One in Arizona 25 Frequency of Technology Use in Retail Stores Store Surveys – Technology Profiles KEY 1 = Less than 10% 2 = 10% to 30% 3 = 31% to 69% 4 = 70% to 90% 5 = More than 90% Technology Definition Latest technologies: CMH, LED, T5, Advanced T8, Halogen IR & Triple Tube CFL Number of stores using latest technology

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Two in California Two in Washington and One in Arizona 26 Store Surveys – Technology Profiles Existing Display Lighting Technologies 46% Already Using CMH

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Two in California Two in Washington and One in Arizona 27 Existing Ambient & Wall Lighting Technologies 64% Already Using CFL, T5 and Advanced T8 Store Surveys – Technology Profiles

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Two in California Two in Washington and One in Arizona 28 Store Surveys – Compliance Comparisons ● Washington Code LPD’s Versus Title 24 ● Washington Code Pass/Fail Versus Title 24

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 29 Store Surveys – Compliance Comparisons 6w 5w 4w 3w 2w 1w 0w Designed T24-05 Ave. T24-08 Ave. WA 3.0 WA Average Lighting Power Densities, Actual Versus Allowed for 61 Stores Surveyed Washington Code LPD Versus Title -24

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 30 Washington Code Pass/Fail Versus Title -24 Store Surveys – Compliance Comparisons WA 2010 WA 3.0 Comparing Compliance Results for the 61 Stores Surveyed T

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Two in California Two in Washington and One in Arizona 31 Computer Modeling & Cost Analysis ● Display Lighting Mounting Heights ● Ceramic Metal Halide Cost Analysis ● LED Test Model for Display Lighting ● AGI-32 Detail Models ● Basic Small Retail ● Up-Scale Retail ● Precious Jewelry

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Two in California Two in Washington and One in Arizona 32 Computer Modeling & Cost Analysis ● Special effects & Decorative Lighting ● Incandescent versus CFL chandelier ● Incandescent versus CFL & LED pendant ● Incandescent versus Halogen sconce ● Fluorescent versus LED luminous panels ● Automated advanced lighting controls for small retail space

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 33 AGI-32 Model Various Mounting Heights Computer Modeling – Display Lighting – Ft: 248 FC 55W HIR 10 – Ft: 317 FC 23W CMH 15 – Ft: 214 FC 39W CMH 20 – Ft: 292 FC 70W CMH CMH Versus Halogen IR at 10 Feet Equivalent CMH Performance at 15 Feet and 20 Feet

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 34 Ceramic Metal Halide Versus H alogen IR Cost Analysis – Display Lighting 34 Criteria Used  Halogen IR base (T model)  2008 TDV analysis  Time line - 7 years  Low volume luminaire and lamp purchases All but 20W Dedicated CMH Cost Effective at 7 Years

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 35 Cost Analysis – Display Lighting 35 Ceramic Metal Halide Versus H alogen IR 20W Dedicated CMH also Cost Effective at 15 Years Criteria Used  Halogen IR base (T model)  2008 TDV analysis  Time line - 15 years  Low volume luminaire and lamp purchases

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 36 LED Testing – Display Lighting 36 25W CMH 10deg 550FC 12W LED D 10deg 390FC 13W LED C 10deg 470FC 12W LED B 10deg 490FC 11W LED A 7deg 430FC 47W Halogen 9deg 110FC LED Prototypes Versus CMH & Halogen

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 37 MODEL STATISTICS Ambient: 40 FC Walls: 1:1 / 1:2 Ratio Display: 5 to 1 Ratio AGI-32 Model Various Technology Solutions Computer Modeling – Basic Small Retail MODEL PERFORMANCE W Sq. Ft. T24-08 Allowed: 3.65 T24-08 Base: 2.81 CMH Model: 1.53 LED/T5 Model: 1.36

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 38 AGI-32 Model Various Technology Solutions Computer Modeling – Upscale Retail MODEL STATISTICS Ambient: 25 FC Walls: 1:1 / 1:2 Ratio Display: 10 to 1 Ratio MODEL PERFORMANCE W Sq. Ft. T24-08 Allowed: 3.65 T24-08 Base: 3.59 CMH Model: 2.47 LED/T5 Model: 2.19

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 39 AGI-32 Model Various Technology Solutions Computer Modeling – Upscale Jewelry MODEL STATISTICS Ambient: 25 FC Walls: 1:1 / 1:2 Ratio Case Tops 1:3 Ratio Display: 10 to 1 Ratio MODEL PERFORMANCE W Sq. Ft. T24-08 Allowed: 4.26 T24-08 Base: 4.12 CMH/LED Model: 2.27

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 40 CFL Versus Incandescent Chandelier & Sconce Technology Modeling – Special Effects Lighting MODEL STATISTICS Sconce: 2-40W-A vs. 2-15W CFL Chandelier: 4-100W-A vs. 4-29W CFL

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 41 LED & IR Halogen Versus Incandescent Decorative Technology Modeling – Special Effects Lighting MODEL STATISTICS Pendent: Incandescent: 1-40W-A19 Fluorescent: 1-10W CFL LED: 1- 7W LED module

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 42 LED Versus Fluorescent Luminous Panel Technology Modeling – Special Effects Lighting MODEL STATISTICS Luminous Panel 4 Ft. X 12 Ft. Fluorescent: 180W Linear T8 LED: 72W 4-LED modules

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 43 LPD Recap General Lighting: Floor Display: Wall Display: Valuable Display: 0.52W 1.0W 6.2W 11.0W ADVANCED LIGHTING CONTROLS ANALYSIS MODEL Store Type: 2500 Square Foot Soft Merchandising Lighting Controls Cost-effectiveness

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 44 LPD Recap General Lighting: Floor Display: Wall Display: Valuable Display: 0.52W 1.0W 6.2W 11.0W Lighting Controls Cost-effectiveness ● Advanced Controls Versus Basic Time Clock ● Modeled 2500 foot simple retail space ● Includes multi task/zone and multi level control with sensors and load shed ability ● Cost-effectiveness Recap and Summary Annual Savings Using Advanced Controls$1, Cost over Minimum Control (Time Cock)$4, SIMPLE PAYBACK PERIOD2.2 Years

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Specifics of Code Change Proposals 45 ● Remove Most Space Types from Tailored Except: ● Retail, Museums, Hotels, Dinning, Groceries, Worship, Mall Atria, Religious and Convention/Conference ● Merge Common Space Types Under Tailored ● Hotel, Dinning, Convention/Conference into Hospitality ● Retail Merchandise, Groceries and Dining into Retail

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Specifics of Code Change Proposals 46 EXAMPLE: Adjustments to Area Category for Functions Removed from Tailored Compliance Primary FunctionT T Classrooms, Lecture, Training 1.2W Sq. Ft.1.2W Sq. Ft.* 5 *6 Food Service: Kitchen & Food Prep 1.6W Sq. Ft.1.0W Sq. Ft.* 7 LibraryReading Areas 1.2W Sq. Ft. 1.2W Sq. Ft.* 8 Stacks 1.5W Sq. Ft *5: 10W per lineal foot of whiteboards and bulletin boards (non illuminated) *6: Additional 0.6W square foot for science labs over work/task surfaces *7: Additional 0.8W for task areas for Butcher Shop, Food Display, work tops, etc. *8: Additional 0.5W for ornamental and/or effects lighting

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Specifics of Code Change Proposals 47 Hospitality Functions Convention/Conference Dinning Area Hotel Function Area Hotel Lobby Main Entry (other) Illumination Category Wall Display Floor DisplayOrnamental & Special Effect D B D C C- EXAMPLE: Merge Convention/Conference, Dinning, Hotel into Hospitality Category

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Specifics of Code Change Proposals 48 ● Wall Display LPD lowered from 17.0W to 15.0W ● Logic for recommendation ● Achievable with use of high efficiency T5 and CMH lamping. ● CMH not required to reach compliance in lower ceilings and/or at lower light levels ● Designs desiring significantly higher illumination or with high ceilings must use CMH

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Specifics of Code Change Proposals 49 ● Floor Display LPD lowered from 1.2W to 1.0W ● Logic for recommendation ● 2008 Model (Mom & Pop) allows for RP-2 compliant lighting without use of CMH ● 2008 Model more representative of typical strip/independent retail space. ● Lower General lighting LPD in 2008 model can supplement accent allowing 48-55W/IR versus CMH ● Designs with less efficient general lighting and desired higher light levels must use CMH

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Specifics of Code Change Proposals 50 ● Effects LPD lowered from 0.7W to 0.5W ● Logic for recommendation ● 2008 Model based on standard incandescent (100W A lamps and 40W candelabras) ● CFL and LED lighting cost effective for many decorative and effects lighting applications ● Array of decorative halogen lamps now available (40W can be replaced with 25W halogen in candelabra base) ● Valuable merchandise area LPD lowered from 1.0W to 0.8W and valuable tops from 16W to 12W ● Same rational as for floor display LPD reductions

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Specifics of Code Change Proposals 51 Proposed Code Language – Retail CMH Model with (Cap) Tailored LPD’sT24-08T24-11 T24-11 Mounting Height Factor and CAP General Lighting0.9W sq. ft. Possible Adjustments to Mounting Height Factors Maximum Allowed Cap 5.0W Placeholder Floor Display1.2W sq. ft.1.0W sq. ft. Wall Display17W lin. ft.14W lin. ft. Effects Lighting0.7W sq. ft.0.5W sq. ft. Valuable Mech. Area1W sq. ft.0.8W sq. ft. Valuable Mech. Tops16W sq. ft.12W sq. ft. Tailored LPD CAPNone5.0W

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Remaining Data Collection & Analysis 52 ● Review Area Method Compliance ● Adjustments to Area Compliance ● Additional Modeling ● T24 Versus ASHRAE/IES ● Re-Evaluate IESNA Criteria ● Stakeholder Requests

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 53 Review Area Compliance ● Review Area Compliance Impact with Reference to Potential New Criteria ● Application and technologies changes ● IESNA Handbook 10 th Addition & RP

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 54 Title 24-08/11 Versus ASHRAE ● Code Compliance Comparison and Evaluation ● Current T24-08 compliance versus ASHRAE/IES 90/ ● Proposed T24-11 compliance versus ASHRAE/IES 90/1 2010

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 55 Adjustments to Area Compliance ● Modify Area Compliance to Address Items Deleted from Tailored Method ● Expanded space type categories as needed to accommodate prior Tailored items ● Add wattage (use it / lose it) allowances for layers previously in tailored compliance

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 56 Additional Modeling ● Big Box & High Atrium Re-Evaluation ● T models (AGI-32 modeling) ● Re-run LPD’s with current technologies ● Evaluate using new IESNA RP-2 standards ● Model Additional Area Compliance Spaces ● Retail store area category spaces ● Department stores, groceries, drug and office ● Technologies and IESNA RP impact ● Other area category spaces ● Technologies and IESNA Handbook 10 th Addition impact

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 57 Re-Evaluate IESNA Criteria ● IESNA Handbook 10 th Addition ● New illuminance categories ● Cross reference to 9 th addition handbook ● T24 to use 9 th addition if 10 th not issued soon ● Changes in recommended illumination ● Aging Eye component ● Other variations from 9 th Addition standards ● IESNA RP-2 Retail Lighting Practice ● Lower illumination for some spaces ● Big Box, Grocery and Warehouse among others ● Lower display window illumination (especially nighttime)

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 58 Specific Stakeholder Requests ● Sources for Additional Data ● Stakeholder Documentation ● Additional design templates for AGI-32 computer models from designer stakeholders ● Technical and performance lamp/luminaire data and costs from manufacturer stakeholders ● Stakeholder field studies ● Participate with interested stakeholders in technology testing and field evaluation (similar to the LED accent light testing presented)

CALIFORNIA STATEWIDE UTILITIES CODES AND STANDARDS PROGRAM 9/21/2010CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes NR3 – Indoor Lighting 59 QUESTIONS & COMMENTS ?