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ASHRAE/IES 90.1-2010 Lighting Highlights Eric Richman, LC, LEED AP 90.1 Lighting Subcommittee Chair Pacific Northwest National Laboratory.

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Presentation on theme: "ASHRAE/IES 90.1-2010 Lighting Highlights Eric Richman, LC, LEED AP 90.1 Lighting Subcommittee Chair Pacific Northwest National Laboratory."— Presentation transcript:

1 ASHRAE/IES 90.1-2010 Lighting Highlights Eric Richman, LC, LEED AP 90.1 Lighting Subcommittee Chair Pacific Northwest National Laboratory

2 Summary List - ASHRAE 90.1-2010 changes Revised/corrected Interior LPDs (efficacy, geometry) Exterior LPD requirements expansion (exterior zones) Detailed daylighting control and skylight requirements Occupancy sensor control (more spaces. Vacancy) Exterior lighting control (after-hours requirements) Parking garage lighting control (daylighting/after hours) Emergency (night light) shut-off and Stairwell control Control incentives for advanced controls Guest room bathroom lighting control (aw) Receptacle shut-off control (50% auto-off) Functional Testing (commissioning) 30 total addenda ►Detailed daylighting control and skylight requirements ►Occupancy sensor control (more spaces. Vacancy) ►Exterior lighting control (after-hours requirements) ►Parking garage lighting control (daylighting/after hours) ►Emergency (night light) shut-off and Stairwell control ►Control incentives for advanced controls ►Guest room bathroom lighting control (aw) ►Receptacle shut-off control (50% auto-off) ►Functional Testing (commissioning)

3 Building LPD Changes (sample) [Addendum “by” - completed] Most whole building values reduced or unchanged TABLE 9.5.1 Lighting Power Densities Using the Building Area Method LPD Building Area Type a (W/ft 2 ) Automotive facility0.90.82 Convention center1.21.08 Courthouse1.21.05 Dining: bar lounge/leisure1.30.99 Dining: cafeteria/fast food1.40.90 Dining: family1.60.89 Dormitory1.00.61 Exercise center1.00.88 Gymnasium1.11.00 Health-care clinic1.00.87 Hospital1.21.21 Hotel1.01.00 Library1.31.18 Manufacturing facility1.31.11 Motel1.00.88 Motion picture theater1.20.83 Multifamily0.70.60 Museum1.11.06 Office1.00.90 Parking garage0.30.25

4 Space Type LPD Changes (sample) Mixed reduction and increase in LPDs based on technology improvements and model corrections.

5 Added LPD Adjustment Use only when applying the space by space method Calculate the Room Cavity Ratio (RCR) for the empty room: RCR = 2.5 x Room Cavity Height x room perimeter length room area ( Room Cavity Height = Luminaire mounting height – Workplane) If RCR is greater than the RCR threshold for that space type, a 20% increase is allowed For corridor/transition spaces, this adjustment is allowed when less than 8 feet wide, regardless of the RCR. Room Cavity Ratio Adjustment for relief in unusual spaces

6 Retail Display Allowance Reductions Additional Interior Lighting Power Allowance = 1000 watts + (Retail Area 1 × 1.0 0.6 W/ft2) + (Retail Area 2 × 1.7 0.6 W/ft2) + (Retail Area 3 × 2.6 1.4 W/ft2) + (Retail Area 4 × 4.2 2.5 W/ft2), Change based primarily on effective use of CMH technology [Addendum “bq” to 90.1-2007 – Completed Reduced additional allowance for lighting specifically designed and directed to highlight merchandise

7 Daylighting Control Additions….. Three separate addenda (“d”, “ab”, “al”) that: Require the control of electric lighting when top and side daylight is present …AND… Require the installation of skylights when appropriate Additional addenda “ct” and “dd” (in process) modify the area thresholds for top and side daylighting

8 Lighting Control for Toplighting Applied based on “daylight area under skylights” + “daylight area under rooftop monitors” that exceed 900 ft 2 Control is required for the general lighting over these areas Control must be multi-level photocontrol At least two output levels at 0% - 35% and 50% - 70% OR Continuous dimming [Addenda “d” and “ab” to 90.1-2007 – Completed] Requires control of electric lighting when toplighting daylight is available

9 “Daylight Area Under Skylights”


11 Lighting Control for Sidelighting Applied based on “primary sidelighted area” exceeding 250 ft 2. Control is required for the general lighting over these areas Control must be multi-level photocontrol At least two output levels at 0% - 35% and 50% - 70% OR Continuous dimming Requires control of electric lighting when sidelighting daylight is available in appropriate areas [Addenda “ab” (Completed review) and “ct” (In review) to 90.1-2007]

12 “Primary Sidelighted Area”


14 Zonal Exterior Power Allowance Revision The existing single set of exterior power limits is expanded to be lighting zone based. The expansion follows the current IESNA development work on Model Lighting Ordinances (MLO) Exterior Lighting Zones Lighting Zone Description 1Developed areas of National Parks, State Parks, Forest Land, and Rural areas 2Areas predominantly consisting of residential zoning, neighborhood business districts, light industrial with limited nighttime use and residential mixed use areas 3All other areas 4High activity commercial districts in major metropolitan areas as designated by the local jurisdiction [Addendum “i” to 90.1-2007 - completed]

15 Zonal Exterior Power Allowance Revision (partial list) Zone 1Zone 2Zone 3Zone 4 Base Site Allowance 500 W600 W750 W1300 W Tradable SurfacesUncovered Parking Areas Parking areas and drives 0.04 W/ft 2 0.06 W/ft 2 0.10 W/ft 2 (0.15) 0.13 W/ft 2 Building Grounds Walkways less than 10 feet wide 0.7 W/linear foot 0.8 W/linear foot 1.0 W/linear foot Walkways 10 feet wide or greater 0.14 W/ft 2 0.16 W/ft 2 0.2 W/ft 2 Plaza areas Special Feature Areas Stairways0.75 W/ft 2 1.0 W/ft 2 Pedestrian Tunnels0.15 W/ft 2 0.2 W/ft 2 0.3 W/ft 2 Landscaping0.04 W/ft 2 0.05 W/ft 2

16 Occupancy Based Control Additions Requirement for specific occupancy sensor control in additional spaces (red). conference,/meeting rooms, and training rooms, classrooms and lecture halls employee lunch and break rooms., storage and supply rooms between 50 ft 2 and 1000 ft 2, rooms used for document copying and printing, office spaces up to 250 ft 2, restrooms dressing, locker, and fitting rooms. Exceptions updated (moved): Spaces with multi-scene lighting control systems Shop and laboratory classrooms Spaces where an automatic shutoff would endanger the safety or security of the room or building occupant(s) Lighting required for 24-hour operation [Addendum “x” to 90.1- 2007 – Completed]

17 Occupancy Manual-on Control Requirement Automatic control devices shall not be set to Automatically turn the lighting on. This effectively requires manual-on OR 50% auto-on function for automatic controls Commonly known as a “vacancy sensor” type of control in the occupancy sensor industry Exceptions (where automatic-on is allowed): public corridors and stairwells, restrooms, primary building entrance areas and lobbies, areas where manual-on operation would endanger the safety or security of the room or building occupant(s). [Addenda “aa” and “bp” to 90.1-2007 – Completed]

18 “Bi-Level” Space Lighting Control Exceptions: Lights in corridors, electrical/mechanical rooms, public lobbies, restrooms, stairways, and storage rooms Spaces with only one luminaire with rated input power less than 100W. Spaces types with a lighting power allowance of less than 0.6 W/ft2 [Addendum “ce” to 90.1-2007 – In process ] Requires the controlled lighting have at least one control step between 30% and 70% (inclusive) of full lighting power in addition to all off.

19 Changes to Alterations Requirements Includes retrofits where luminaires are added, replaced, or removed. Also includes lamp plus ballast retrofits Alterations of less than 10% of connected lighting load are exempted. [Addendum “av” to 90.1-2007 – Completed ] Requires that BOTH Interior and Exterior alterations comply with LPD and automatic shutoff requirements

20 Parking Garage Control Must reduce lighting power by minimum of 30% when no activity detected within a lighting zone (< 3,600 sf) Daylight transition zone lighting (66 ft wide by 50 ft) must be separately controlled to turn lighting on during daylight hours and off at sunset. Daylight control required for luminaires within 20 feet of perimeter wall with net opening to wall ratio of 40%. Exceptions: Daylight transitions zones and ramps without parking are exempt from 30% reduction and daylight control. Applications using HID of 150 watts or less or Induction lamps are exempt from 30% reduction. [Addendum “cz” to 90.1-2007 – completed ] Requires Parking garage lighting to be automatically controlled including daylighting

21 Advanced Exterior Lighting Control Lighting must turn off when there is sufficient daylight Building façade and landscape lighting must be shut off between midnight or business closing, whichever is later, and 6am or business opening, whichever comes first, or between times established by the authority having jurisdiction. The power for other lighting including advertising signage, shall be automatically reduced by at least 30%: from 12 midnight or within one (1) hour of the end of business operations, whichever is later, until 6am or business opening,whichever is earlier; OR during any period when no activity has been detected for a time of no longer than 15 minutes. [Addendum “cd” to 90.1-2007 – in process ] Requires specific daylight and building operation lighting controls for exterior

22 Receptacle (wall plug) Control Applies to 125 volt 15- and 20-Ampere receptacles in Private offices, Open offices, and Computer Classrooms Requires automatic control using: Time-of-day schedule, Occupancy sensor, or Other automatic control based on occupancy Exceptions: Spaces where automatic shutoff would be safety/security issue Spaces where all loads require 24 hour operation. [Addendum “bs” to 90.1-2007 – in process ] Requires that 50% of receptacles (wall plugs) in a space have automatic shutoff control

23 Hotel Room Bathroom Lighting Exception/Control Revision Guestrooms in hotels, motels, boarding houses or similar buildings shall have one or more control device(s) at the entry door that collectively control all permanently installed luminaires and switched receptacles, except those in the bathroom(s). Bathrooms shall have a control device installed to automatically turn off the bathroom lighting, except for night lighting not exceeding 5 watts, within 60 minutes of the occupant leaving the space. [Addendum “aw” to 90.1-2007 – Completed]

24 Advanced Control Incentives The allowance is based on conservative estimates of tradeoff (low percentage of expected savings) Additional power can be used anywhere in the building Additional Interior Lighting Power Allowance is calculated as: Lighting Power Under Control x Control Factor When all mandatory control requirements are met for a space AND advanced controls are installed in that space, THEN additional limited lighting power is allowed: [Addendum “ac” to 90.1-2007 - completed]

25 Control Factors for Advanced Controls (partial list) Control Factors Varying by space type Space Type Additional Control Method Open AND Private offices Conference meeting Classroom (lect./train.) Retail Sales area Lobby, Atrium, Dining, Corridor/stairs, Gym/pool Mall concourse, Parking garage Manual, continuous dimming control OR Programmable multi-level dimming control 0.050.10*0.10 Programmable multi-level dimming control using programmable time scheduling 0.050.10*0.1 Multi-level occupancy sensors 0.05 00 Automatic bi-level or multi level switching in primary sidelighted areas when EA > 0.15 000.10 *These control factors may only be used if the requirements of section are met using an occupancy sensor.

26 Stairwell and “Emergency” Lighting Control Applies to lighting in enclosed stairwells Must have control to automatically reduce lighting power in any control zone by at least 50% within 30 minutes of all occupants leaving the zone. [Addenda “cu” and “cf” to 90.1-2007 – in process ] Stairwell lighting must have automatic shutoff control Lighting with dual function as normal and “emergency” lighting must comply with automatic shutoff requirements This was always the intent but now clarified

27 Functional Testing (commissioning) of Controls Must be performed by individuals NOT involved in design, manufacture, or installation For occupant sensors, time switches, programmable controls, or photosensors: Verify all performance criteria is met Confirm occupant sensor time-out and sensitivity settings Confirm timers and programs set to turn lights off Confirm photosensor controls effectively control electric lighting in response to daylight [Addendum “az” to 90.1-2007 – Completed Requires functional testing (calibrated/adjusted/programmed) for lighting control devices and systems within 90 days of occupancy


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