7.1 Lighting Design

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IN THIS SECTION:  Lighting Quality - Interior Electric  |  Lighting Quality - Interior Daylight  |  Lighting Quality - Exterior  |  Lighting Quantity - Interior Electric
Lighting Quantity - Interior Daylight  |  Lighting Quantity - Exterior  |  Lighting Energy Use - Interior Electric
Lighting Energy Use - Exterior  |  Power Quality  |  Maintenance  |  Service Life

AttributeBaseline
Tier 1 High Performance
★★
Tier 2 High Performance
★★★
Tier 3 High Performance
Verification
Measurements & VerificationPlans & SpecificationsCalculations & AnalysisDesign Basis of DesignConstruction Verification
  Lighting Quality - Interior Electric
Luminance BalanceNone3 to 1 (task to immediate surround); 40 to 1 (non work areas)Light 25% of wall area in occupied areas.3 to 1 (task to immediate surround); 20 to 1 (non work areas)YesYesProvide photometric calculationsDescribe luminance balance requirements.Using photometer measure footcandle levels at task and at immediate sorroundings at 3' above floor level . Record illumination levels in footcandles and verify conformance to attribute.
Spectral Distribution - CCT<3500K<3500K<3500KTunableYesYesDocument color temperature requirements.Use luminance meters with built in color sensors to confirm CCT and CRI and verify conformance with attribute.
Spectral Distribution - CRI>70>80>80>95YesDocument color redenring index requirements.Use luminance meters with built in color sensors to confirm CCT and CRI and verify conformance with attribute.
Lighting Layers - AmbientYesYesYesYesYesYesDescribe how ambient lighting requirement is met.Verify provision of ambient lighting layer after construction
Lighting Layers - PersonalizedMinimalTaskPersonalPersonalYesYesDescribe task lighting system.Vefify provision of personal lighting layer after construction.
Visual Comfort (Glare)MinimalDirect/IndirectDirect/IndirectDirect/IndirectYesYesDescribe how the design will minimize glare.Verify provision of indirect/direct lighting fixture as part of submittal review during construction.
User Acceptance>60%>70%>80%>90%Describe how this POE Survey will be implemented.Survey users after installation to determine the percentage of users that are satisfied with lighting quality and quantify the percentage of satisfied users.
AttributeBaseline
Tier 1 High Performance
★★
Tier 2 High Performance
★★★
Tier 3 High Performance
Verification
Measurements & VerificationPlans & SpecificationsCalculations & AnalysisDesign Basis of DesignConstruction Verification
  Lighting Quality - Interior Daylight
Luminance BalanceView Preserving Blinds or ShadesView Preserving Blinds or ShadesView Preserving Blinds or ShadesView Preserving Blinds or ShadesYesYesDescribe blind system to preserve luminance balance.Verify provision of the blinds during design submittal.
Lighting LayersNoneMaximize daylight access with toplighting, sidelighting, interior glazing, and low partitions on the perimeter spaces.YesYesYesDescribe lighting layers utilized in design.Confirm provision of daylighting during submittal review
Visual Comfort (Glare)View Preserving Blinds or ShadesView Preserving Blinds or ShadesView Preserving Blinds or ShadesView Preserving Blinds or ShadesYesYesDescribe blind system to preserve luminance balance.Verify provision of the blinds during design submittal.
User Acceptance>60%>70%>80%>90%YesDescribe how this POE Survey will be implemented.Survey users after installation/occupancy to determine the percentage of users that are satisfied with lighting quality and quantify the percentage of satisfied users.
Views (11 degree minimum)Minimal50%80%100%YesYesDocument provision of views in basis of design Measure angle of views from each user to confirm direct views to daylight/outside.
AttributeBaseline
Tier 1 High Performance
★★
Tier 2 High Performance
★★★
Tier 3 High Performance
Verification
Measurements & VerificationPlans & SpecificationsCalculations & AnalysisDesign Basis of DesignConstruction Verification
  Lighting Quality - Exterior
Spectral Distribution - CCT<4200K<4200K<4200KTunableYesYesDescribe color temperature requirement.Use luminance meters with built in color sensors to confirm CCT and verify conformance with attribute.
Spectral Distribution - CRI>80>80>90>90YesDescribe color redenring index requirement.Use luminance meters with built in color sensors to confirm CRI and verify conformance with attribute.
Spectral Distribution - Environmental<3500K<3500K<3500KTunableYesYesDescribe color temperature requirements. Use luminance meters with built in color sensors to confirm CCT and verify conformance with attribute.
Visual Comfort (Glare)NoneLuminaire glare rating of G21Luminaire glare rating of G11Luminaire glare rating of G11YesYesDescribe G rating requirements.Verify luminaire G ratings during submittal review.
User Acceptance>60%>70%>80%>90%YesDescribe how this POE Survey will be implemented.Survey users after installation/occupancy to determine the percentage of users that are satisfied with lighting quality and quantify the percentage of satisfied users.
Light Pollution / Light TrespassNoneLuminaire backlight and uplight ratings2 of B2 and U2 All parking/area lighting rating of U0Luminaire backlight and uplight ratings2 of B1 and U1 All parking/area lighting rating of U0Luminaire backlight and uplight ratings2 of B1 and U1 All parking/area lighting rating of U0YesDescribe BUG ratings for fixtures.Verify luminaire BUG ratings during submittal review.
AttributeBaseline
Tier 1 High Performance
★★
Tier 2 High Performance
★★★
Tier 3 High Performance
Verification
Measurements & VerificationPlans & SpecificationsCalculations & AnalysisDesign Basis of DesignConstruction Verification
  Lighting Quantity - Interior Electric
Illuminance - HorizontalMeets the values in Table 6-4 (from IES 10th HB)Meets the values in Table 6-4 (from IES 10th HB)User adjustableUser adjustableProvide photometeric calculationsDescribe horizontal illuminance requirements.Measure illuminance levels at 3' A.F.F. using a footcandle meter after installation/commissioning to verify compliance with IES.
Illuminance - VerticalMeets the values in Table 6-4 (from IES 10th HB)Meets the values in Table 6-4 (from IES 10th HB)User adjustableUser adjustableDescribe vertical illuminance requirements.Measure illuminance levels on vertical surfaces/walls using a footcandle meter after installation/commissioning to verify compliance with IES.
Availability - Surface Reflectance (Ceiling/Wall/Floor)>80/50/20>90/60/20>90/70/30>90/70/30YesYesDefine accepted surface reflectance of celing/wall and floor.Measure surface reflectance levels using a reflectance meter after installation/commissioning to verify compliance.
Operational Efficiency - Ambient (+/- 10%)None80%70%60%YesYesProvide calculations.Define percentage of ambient lighting.Measure provision of ambient lighting levels as a percentage of overall lighting using a footcandle meter after installation/commissioning to verify compliance.
Operational Efficiency - Personalized (+/- 10%)None20%30%40%YesYesProvide calculations.Define percentage of personalized lighting.Verify conformance by calculating the installed percentage of personalized lighting to overall lighting.
AttributeBaseline
Tier 1 High Performance
★★
Tier 2 High Performance
★★★
Tier 3 High Performance
Verification
Measurements & VerificationPlans & SpecificationsCalculations & AnalysisDesign Basis of DesignConstruction Verification
  Lighting Quantity - Interior Daylight
Availability - Surface Reflectance (Ceiling/Wall/Floor)>80/50/20>90/60/20>90/70/30>90/70/30YesYesDefine accepted surface reflectance of celing/wall and floor.Measure surface reflectance levels using a reflectance meter after installation/commissioning to verify compliance.
Daylight Autonomy (10-500)Minimal>50%>80%>100%YesYesDescribe provision of daylighting autonomy as a percentage.Provide daylight model as part of submittals to verify compliance.
AttributeBaseline
Tier 1 High Performance
★★
Tier 2 High Performance
★★★
Tier 3 High Performance
Verification
Measurements & VerificationPlans & SpecificationsCalculations & AnalysisDesign Basis of DesignConstruction Verification
  Lighting Quantity - Exterior
Illuminance - HorizontalMeets the values in Table 6-5 (from IES 10th HB)Meets the values in Table 6-5 (from IES 10th HB)AdjustableAdjustableYesYesProvide photometric calculations.Define acceptable exterior illuminance levels in conformance with IES 10th HB.Measure horizontal illuminance levels at floor level using a footcandle meter after installation/commissioning to verify compliance with IES.
Illuminance - VerticalMeets the values in Table 6-5 (from IES 10th HB)Meets the values in Table 6-5 (from IES 10th HB)AdjustableAdjustableYesYesProvide photometric calculations.Define acceptable illuminance levels in conformance with IES 10th HB.Measure illuminance levels using a footcandle meter after installation/commissioning on vertical walls/facades to verify compliance with IES.
AttributeBaseline
Tier 1 High Performance
★★
Tier 2 High Performance
★★★
Tier 3 High Performance
Verification
Measurements & VerificationPlans & SpecificationsCalculations & AnalysisDesign Basis of DesignConstruction Verification
  Lighting Energy Use - Interior Electric
System EfficiencyLighting annual energy use shall be at least 30% less than allowed by ASHRAE 90.1 2007.Lighting annual energy use shall be at least 40% less than allowed by ASHRAE 90.1 2007.Lighting annual energy use shall be at least 50% less than allowed by ASHRAE 90.1 2007.Lighting annual energy use shall be at least 70% less than allowed by ASHRAE 90.1 2007.YesYesYesProvide 90.1-2007 Appendix G energy model demonstrating lighting annual energy does not exceed project target.Measure interior lighting energy after installation/commissioning and confirm percentage exceeding ASHRAE requirements by documenting the ratio of actual interior lighting power density to ASHRAE allowed lighting power density and calaculate/document acutal percentage.
ControlsExceeds Ashrae 90.1 2007 control requirements by 30%Automatic OC + personalDALI Equivalent + personalDALI Equivalent + personalYesYesDescribe lighting control system.Verify control system operation/commission system after installation to verify compliance.
Real Time Energy UseMinimalModelingModeling + MonitoringModeling, Monitoring, FeedbackYesYesDescribe real time energy use scheme proposed in the design.Document interior lighting energy after installation/commissioning and confirm/document actual interior lighting energy consumed to modeled energy.
Minimum Luminaire Efficacy for Ambient Lighting70 lm/W75 lm/W80 lm/W85 lm/WYes
Driver / Ballast Efficiency>e; 85% for drivers capable of >e; 50 watts >e; 80% for drivers capable of < 50 watts>e; 90% for drivers capable of >e; 50 watts >e; 85% for drivers capable of < 50 watts>e; 90% for drivers capable of >e; 50 watts >e; 85% for drivers capable of < 50 watts>e; 90% for drivers capable of >e; 50 watts >e; 85% for drivers capable of < 50 wattsYes
AttributeBaseline
Tier 1 High Performance
★★
Tier 2 High Performance
★★★
Tier 3 High Performance
Verification
Measurements & VerificationPlans & SpecificationsCalculations & AnalysisDesign Basis of DesignConstruction Verification
  Lighting Energy Use - Exterior
Lighting Power Density (w/sf)Exceeds ASHRAE 90.1 2007 Lighting Power Densities by 30%Exceeds ASHRAE 90.1 2007 Lighting Power Densities by 40%Exceeds ASHRAE 90.1 2007 Lighting Power Densities by 50%Exceeds ASHRAE 90.1 2007 Lighting Power Densities by 70%YesProvide calculations.Provide requirement for describing exterior lighting energy seperately and showing exceeding ASHRAE requirements.Measure exterior lighting energy after installation/commissioning and confirm percentage exceeding ASHRAE requirements by documenting the ratio of actual exterior lighting power density to ASHRAE allowed lighting power density and calaculate/document acutal percentage.
ControlsNighttime setback controls added (Not less than 50% maximum output)Nighttime setback controls added (Not less than 50% maximum output)Network Controls(Not less than 50% maximum output)Network Controls (Not less than 50% maximum output)YesYesDescribe lighting control system.Verify control system operation/commission system after installation to confirm nighttime set back controls at less than 50%.
Real Time Energy UseNone80% of lighting energy90% of lighting energy100% of lighting energyYesYesDescribe real time energy use scheme proposed in the design.Document exterior lighting energy after installation/commissioning and confirm/document actual exterior lighting energy consumed to modeled energy.
AttributeBaseline
Tier 1 High Performance
★★
Tier 2 High Performance
★★★
Tier 3 High Performance
Verification
Measurements & VerificationPlans & SpecificationsCalculations & AnalysisDesign Basis of DesignConstruction Verification
  Power Quality
Power Factor0.950.950.980.98YesDescribe power factor accepted values in basis of design.Use power meter to confirm ratio of total active to reactive power to confirm the power factor of the system. Measure input power on light fixtures circuits to confirm the paramter and verify compliance.
Total Harmonic Distortion<20%<15%<10%<5%YesYesDescribe acceptable percentages of total harmonic distortion in ballasts.Use power meter to confirm total harmonic distortion. Measure input power quality on lighting circuits to confirm the paramter after installation to verify compliance.
WiringRun seperate neutral for each circuitRun seperate neutral for each circuitRun seperate neutral for each circuitRun seperate neutral for each circuitYesIndicate provision of a separate neutral for each lighting circuit in basis of design.Provide in Lighting specifications and confirm by inspecting during installation to verify compliance.
AttributeBaseline
Tier 1 High Performance
★★
Tier 2 High Performance
★★★
Tier 3 High Performance
Verification
Measurements & VerificationPlans & SpecificationsCalculations & AnalysisDesign Basis of DesignConstruction Verification
  Maintenance
Equipment Life1 Yr Warranty5 Yr WarrantyPerformance BasedService ProviderYesDescribe warranty for each equipment.Verfiy through light fixture submittals and warranty certificates.
AccessibilityCoordinate design with facilities maintenance to ensure all luminaires can be reached with lifts, ladders, etc.YesYesYesProvide requrement for easy access to luminaires and their components.Verfiy installation of fixtures heights and locations in shop drawing submittal and actual heights and clearances after installation.
DiagnosticsMinimalMinimalFull AbilityFull Ability + PredictiveYesYesDescribe the ability to diagnose lighting systems.Verfiy through shop drawing submittal and product submittal information.
AttributeBaseline
Tier 1 High Performance
★★
Tier 2 High Performance
★★★
Tier 3 High Performance
Verification
Measurements & VerificationPlans & SpecificationsCalculations & AnalysisDesign Basis of DesignConstruction Verification
  Service Life
ReplacementNone10 Years20 YearsAutomatic in 20 YearsYesDescribe servicable life of lighting system.Verfiy through light fixture submittals and warranty certificates.
RetrofitNone5 Years10 YearsAutomatic in 10 YearsYesDescribe service life requirement for retrofit of system.Verfiy through light fixture submittals and warranty certificates.
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