2015 WSEC: Electrical and Lighting Systems

Transcription

1 2015 WSEC: Electrical and Lighting Systems Presented by: Andrew Pultorak, LC, MIES Senior Energy Management Engineer, Puget Sound Energy January 19, 2017 Agenda Reading and Interpreting Code Section C406: Additional Efficiency Package Options Chapter 5: Existing Buildings Alterations Lighting Controls Daylight Zones Lighting Power Allowances Commissioning Compliance Forms 2 1

2 July 1, 2016 January 1, Reading and Interpreting the Code Commercial / Residential (C505) Section Chapter C - Commercial R - Residential 4 2

3 2015 WSEC Commercial WAC 51-11C Chapter 1 Scope and Administration Chapter 2 Definitions Chapter 3 General Requirements Chapter 4 Commercial Energy Efficiency C406 Additional Efficiency Package Options (NEW!) Chapter 5 Existing Buildings (NEW!) Chapter 6 Referenced Standards 5 6 3

4 NEW SECTION! C406: Additional Efficiency Package Options New Buildings Must comply with at least two High-efficiency HVAC systems Reduced lighting power (75% less LPA / 95% lamps 60 lpw) Enhanced lighting controls (90% ltg cont. dim / ind. addressable On-site renewable energy Reduced air infiltration High-efficiency service water heating systems Enhanced building envelope Dedicated outside air systems (when not otherwise required) 7 Chapter 5 Existing Buildings NEW CHAPTER! C104 Section moved Consolidates rules for Existing Buildings Language primarily from 2012 WSEC Chapter 1 Updated language for alterations 10 4

5 NEW CHAPTER! Chapter 5 Existing Buildings Consolidates provisions for Existing Buildings into one place Additions Alterations Repairs Historic buildings Change in space conditioning Change in occupancy Change in space use (applies to lighting only) 11 C503.6 Lighting Alterations STAGE ONE: Lighting fixture replacement Alterations that replace 50% or more of the luminaires shall comply with the current LPA 1) Lighting fixtures in interior spaces 2) Lighting fixtures in parking garages 3) Exterior lighting wattage Where less than 50% of the fixtures in an interior space or parking garage are new, or 50% or less of the installed exterior wattage is altered, the installed lighting wattage shall be maintained or reduced. 12 5

6 C503.6 Lighting Alterations STAGE TWO: New fixtures or re-circuit existing Where new wiring is being installed to serve new fixtures and/or fixtures are being relocated to a new circuit, controls shall comply with: 1) Manual controls 2) Occupancy sensors 3) Daylight responsive controls 4) Additional lighting controls (display, under-counter, stairwell, etc) 5) Exterior lighting controls 6) Commissioning of lighting controls 13 C503.6 Lighting Alterations STAGE THREE: New panel or raceway Where a new lighting panel (or a moved lighting panel) with all new raceway and conductor wiring from the panel to the fixtures is being installed: 1) Same controls and commissioning requirements as Stage Two 2) Time switch controls 14 6

7 Interior space reconfiguration Where new walls or ceiling-height partitions are added to an existing space that create a new enclosed space, even if the lighting fixtures are not changed other than being relocated: 1) All applicable manual lighting controls 2) All applicable automatic lighting controls 3) Time switch controls 4) Commissioning of lighting controls 15 LIGHTING CONTROLS Manual Controls Occupancy Sensors Time Switch Controls Light Reduction Controls 16 7

8 C405.2 Lighting controls (mandatory) Lighting system controls are required in all areas (manual control minimum). EXCEPTIONS: o Security and emergency areas o Interior stairways, ramps, and exits o Industrial and manufacturing processes o LLLC luminaire level lighting controlled fixtures 17 EXCEPTION: C405.2 Lighting controls o Luminaire Level Light Controls may be provided in lieu of other required lighting controls if they: 1) Monitor occupant activity to brighten or dim its lighting when occupied or unoccupied, respectively. 2) Monitor ambient light (both electric light and daylight) and brighten or dim electric light to maintain desired light level. 3) Configuration and reconfiguration of performance parameters, including bright and dim setpoints, time-outs, dimming fade rates, sensor sensitivity adjustments, and wireless zoning configurations, for each control strategy. 4) Meet the operational and commissioning requirements 18 8

9 LLLC fixtures: PSE Lighting Upgrade East Side West Side o Philips DuaLED with SpaceWise o 43 watts at 3900 lumens o 4000K and 80 CRI o 50,000 hours life L70 o Dimming: 66% or 77% or 88% o Cree ZR Series with SmartCast o 35 watts at 3200 lumens o 4000K and 90 CRI o 70,000 hours life L70 o Dimming: 5% to 100% 19 LLLC fixtures: PSE Lighting Upgrade East Side West Side Philips DuaLED with SpaceWise Cree ZR Series with SmartCast 20 9

10 21 C Occupant sensor controls Shall be installed to control lights in the following space types: Classrooms, lecture, training rooms Conference, meeting, multipurpose Copy and print rooms Employee lunch and break rooms Other spaces 300 square feet or less enclosed by floor-to-ceiling height partitions. Private offices Lounges Locker rooms Restrooms Storage rooms Janitorial closets Warehouse spaces 22 10

11 FUNCTION: C Occupant sensor control 1) Automatically turn off lights within 30 minutes of all occupants leaving the space. 2) Shall incorporate a manual control to allow occupants to turn lights off. 3) Be manual on (vacancy sensors) or controlled to automatically turn the lighting on to not more than 50% power. EXCEPTION: Full automatic-on is permitted: o In public corridors, stairways, restrooms, primary building entrances areas and lobbies o Areas where manual-on operation would endanger the safety or security of the room or building occupants

12 FUNCTION: C Occupant sensor control in warehouses Aisleways and open areas shall have occupancy sensors controlled: o automatically to reduce lighting power by not less than 50 percent when the areas are unoccupied. o Separately and independently in each aisleway. o Not control lighting beyond the aisleway being controlled by the sensor. 25 C405.6 Digital timer switch controls Spaces under 300 sq ft may have a digital timer in lieu of occupancy sensor in the following areas: Copy/print rooms Storage rooms Janitorial closets 26 12

13 EXCEPTIONS: C Time switch controls Each area NOT provided with an occupant sensor or digital timer switch shall have a time switch control. EXCEPTIONS: o Sleeping Units o Spaces where patient care directly provided o Safety/security o Lighting intended for continuous operation o Shop/Laboratory classrooms 27 FUNCTION: C Time switch control 1) 7 day clock programmable for each day 2) Automatic holiday shut-off 3) 10 hour backup 4) Manual override switch with maximum of 2 hours, controlling area not larger than 5,000 sq ft EXCEPTIONS: o Within malls, arcades, auditoriums, single tenant retail spaces, industrial facilities and arenas If captive key, can be longer than 2 hour override Area controlled by override cannot exceed 20,000 sq ft o If manual control, then light reduction controls not required in: Spaces with only 1 fixture that s less than 100W Spaces with less than 0.6W /sq. ft. Corridors, equipment rooms, lobbies, elec/mech rooms 28 13

14 C Light Reduction Controls o Spaces required to have light-reduction controls shall have a manual control that allows the occupant to reduce the connected lighting load in a reasonably uniform illumination pattern by at least 50 percent. o Approved methods of lighting reduction: 1) Controlling all lamps or luminaires. 2) Dual switching of alternate rows of luminaires, alternate luminaires or alternate lamps. 3) Switching middle lamp luminaires independently of the outer lamps. 4) Switching each luminaire or each lamp. 29 EXCEPTION: C Light Reduction Controls EXCEPTIONS: o Occupancy sensors installed o Daylight responsive controls installed o Space with 0.6 w/sq ft or less o Spaces with only 1 fixture that s less than 100W o Corridors o Equipment rooms o Storerooms o Restrooms o Public Lobbies o Electrical or mechanical rooms 30 14

15 C Additional Lighting Controls (formerly Specific Lighting Applications ) o Display & accent lighting, lighted display cases, grow lights, and food warming lights must be controlled separately from area lighting. o Under-cabinet & task lights require: Auto shut-off when space unoccupied, and Local manual-on switch o Dual-function fixtures (standard area light and egress light) within exit access turn off when space unoccupied (so, not in exit stairs) EXCEPTION: Means of egress lighting that does not exceed 0.02 watts/ft can stay on 24/7. 31 C Daylight responsive controls Required in Sidelight and Toplight daylight zones with more than 2 general lighting fixtures in the primary and secondary daylight zones. Primary, secondary and skylight daylight zones shall be controlled separately

16 FUNCTION: C Daylight responsive controls 1) Primary daylight zone controlled separately from secondary. EXCEPTION: Spaces enclosed by walls with no more than 3 general lighting fixtures if uniform illumination can be achieved. 2) Toplight zone controlled separately from sidelight. 3) Controls within each space can be calibrated from within the zone controlling. 4) Calibration devices readily accessible 5) Controls configured to shut off all controlled lighting in that zone. 6) Sidelight zones facing different cardinal orientations (ie: within 45 degrees due north, due east etc) shall be controlled separately. EXCEPTION: two fixtures in each space can be controlled together 7) Time delays required of less than 3 minutes. 8) Control not more than 2,500 sq feet per device. 9) Occupant override only permitted to further reduce light output. 33 EXCEPTIONS: C Daylight responsive controls EXCEPTIONS: o Health care facilities where patient care is directly provided o Dwelling units and sleeping units o Specific application control spaces o Sidelight daylight zones on the 1 st floor above grade in Group A-2 and Group M occupancies o Daylight zones where proposed lighting power density is less than 35% of the LPA 34 16

17 Daylight Zones Defined Sidelight daylight zone Adjacent to fenestration Under rooftop monitor Under sloped rooftop monitor Adjacent to clerestory Parking garage Toplight daylight zone Under rooftop Under atrium

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20 EXCEPTION: Daylight Zones If rough opening area of vertical fenestration assembly is less than 10% of the calculated primary daylight zone area for this fenestration, it does not qualify as a daylight zone

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22 45 Daylight Zones In parking garages with floor area adjacent to perimeter wall openings, the daylight zone shall include the area within 20 feet of any portion of a perimeter wall that has a net opening to wall ratio of at least 40 percent

23 LIGHTING POWER ALLOWANCES Interior Lighting Building Area Method Space-by-Space Method Exterior Lighting Exterior Lighting Zones 47 Total Connected Interior Lighting Power C Total Connected Interior Lighting Power The total connected interior lighting power (watts) shall be the sum of the watts of all interior lighting equipment EXCEPTIONS: 1. The connected power associated with the following lighting equipment is not included in calculating total connected lighting power Professional sports arena playing field lighting Emergency lighting automatically off during normal building operation Lighting in spaces specifically designed for use by occupants with special lighting needs including the visually impaired and other medical and age-related issues Casino gaming areas General area lighting power in industrial and manufacturing occupancies dedicated to the inspection or quality control of goods and products Lighting in sleeping units, provided that the lighting complies with Section R Mirror lighting in dressing rooms. 2. Lighting equipment used for the following shall be exempt provided that it is in addition to general lighting and is controlled by an independent control device: 2.1. Task lighting for medical and dental purposes Display lighting for exhibits in galleries, museums and monuments

24 Total Connected Interior Lighting Power Cont. EXCEPTIONS: 3. Lighting for theatrical purposes, including performance, stage, film production and video production. 4. Lighting for photographic processes. 5. Lighting integral to equipment or instrumentation and is installed by the manufacturer. 6. Task lighting for plant growth or maintenance where the lamp efficacy is not less than 90 lumens per watt. 7. Advertising signage or directional signage. 8. In restaurant buildings and areas, lighting for food warming or integral to food preparation equipment. 9. Lighting equipment that is for sale. 10. Lighting demonstration equipment in lighting education facilities. 11. Lighting approved because of safety or emergency considerations, inclusive of exit lights. 12. Lighting integral to both open and glass enclosed refrigerator and freezer cases. 13. Lighting in retail display windows, provided the display area is enclosed by ceiling-height partitions. 14. Furniture mounted supplemental task lighting that is controlled by automatic shutoff. 15. Lighting used for aircraft painting

25 Lighting Power Allowances o Lighting Power Allowances (LPA) reduced about 25% Building Area Method Space by Space Method o Ceiling height adjustments are back! (Unless otherwise specified) Office and library 2% per foot over 9 CH Other spaces - 2% per foot over 20 CH 51 Lighting Power Allowances C (1) Interior Lighting Power-Building Area Method

26 Lighting Power Allowances C (1) Interior Lighting Power-Building Area Method Lighting Power Allowances C (2) Interior Lighting Power-Space by Space Method

27 Lighting Power Allowances C (2) Interior Lighting Power-Space by Space Method Exterior Lighting C Exterior building grounds lighting All exterior building grounds luminaires that operate at greater than 100 watts shall have a minimum efficacy of 80 lumens per watt unless the luminaire is controlled by a motion sensor or qualifies for one of the exceptions under Section C

28 Exterior Lighting C Exterior building lighting power The total exterior lighting power allowance for all exterior building applications is the sum of the base site allowance plus the individual allowances for areas that are to be illuminated for the applicable lighting zone. EXCEPTIONS: 1. Specialized signal, directional and marker lighting associated with transportation; 2. Advertising signage or directional signage; 3. Integral to equipment or instrumentation and is installed by its manufacturer; 4. Theatrical purposes, including performance, stage, film production and video production; 5. Athletic playing areas; 6. Temporary lighting; 7. Industrial production, material handling, transportation sites and associated storage areas; 8. Theme elements in theme/amusement parks; and 9. Used to highlight features of public monuments and registered historic landmark structures or buildings. 57 Exterior Lighting Zones 58 28

29 Exterior Lighting Power Allowances 59 Exterior Lighting Power Allowances 60 29

30 C Controlled Receptacles Change from offices and classrooms only to: o Offices o Classrooms o Conference rooms, break rooms o Print/copy rooms o At least 50% of receptacles controlled by occupancy sensor or time clock o Rooms larger than 200 sq ft need to be every 72 apart o Visibly differentiated from standard receptacles o Must control with occupancy sensor or time clock with 2-hour override switch o EXCEPTION: o Outlets for specific purposes, safety & security, maintenance 61 C408.3 Lighting System Commissioning All automatic lighting controls are required to be commissioned. The commissioning process shall include functional testing that verifies all lighting control systems are calibrated, adjusted and programmed per the design intent and manufacturer s instructions. Commissioning applies to all provisions where lighting equipment shall be "configured to" perform specific functions. EXCEPTION: Lighting controls do not need to be commissioned if: 1) The total installed lighting load is less than 20 kw. 2) Where the lighting load controlled by occupancy sensors or automatic daylighting controls is less than 10 kw

31 Lighting Compliance Forms Required by many jurisdictions in WA State when submitting for permit. Review the ReadMe for instructions Include Project Summary Form (PROJ-SUM) in submittal Lighting Summary Form - New details covered include lighting controls and retrofits Electrical and Lighting Checklist List of all related provisions Lighting Power Allowances 1) Interior Building Area or Space-by-Space Method 2) Retail Display & Lobby Art/Exhibit Display 3) Exterior Compliance Calculations Standard or Additional Efficiency Package Option (-25%) 63 Andrew Pultorak, LC, MIES Senior Energy Management Engineer andrew.pultorak@pse.com