151015 Lighting for Residential Buildings (LG9) 2015 IET
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Descripción: Lighting for Residential Buildings...
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Who are we?
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What do we do?
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What do we do?
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Lighti!g -esearh /eh!olog L-/ is SLL3s world re!ow!ed i!ter!atio!al lighti!g 4our!al o!tai!i!g re&ereed papers o! all aspets o& lighti!g researh a!d teh!olog. editio!s6ear &ro' 2015 %ree o!li!e aess to SLL 'e'bers 7 &i!d out 'ore at www.sll.org.uk
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Lighti!g -esearh /eh!olog L-/ is SLL3s world re!ow!ed i!ter!atio!al lighti!g 4our!al o!tai!i!g re&ereed papers o! all aspets o& lighti!g researh a!d teh!olog. editio!s6ear &ro' 2015 %ree o!li!e aess to SLL 'e'bers 7 &i!d out 'ore at www.sll.org.uk
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-ead Stead Light -ead Stead Light tea's to o'pete to desig! a! e8terior lighti!g she'e i! 4ust 10 'i!utes gi"e! a ra!ge o& e9uip'e!t. /he tea's o'pete &or three di&&ere!t pri:es( ;ost )reati"e +&&et< *est /eh!ial Solutio! a!d the eer ri:e.
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-ead Stead Light -ead Stead Light tea's to o'pete to desig! a! e8terior lighti!g she'e i! 4ust 10 'i!utes gi"e! a ra!ge o& e9uip'e!t. /he tea's o'pete &or three di&&ere!t pri:es( ;ost )reati"e +&&et< *est /eh!ial Solutio! a!d the eer ri:e.
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-ead Stead Light -ead Stead Light tea's to o'pete to desig! a! e8terior lighti!g she'e i! 4ust 10 'i!utes gi"e! a ra!ge o& e9uip'e!t. /he tea's o'pete &or three di&&ere!t pri:es( ;ost )reati"e +&&et< *est /eh!ial Solutio! a!d the eer ri:e.
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-ead Stead Light -ead Stead Light tea's to o'pete to desig! a! e8terior lighti!g she'e i! 4ust 10 'i!utes gi"e! a ra!ge o& e9uip'e!t. /he tea's o'pete &or three di&&ere!t pri:es( ;ost )reati"e +&&et< *est /eh!ial Solutio! a!d the eer ri:e.
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-ead Stead Light -ead Stead Light tea's to o'pete to desig! a! e8terior lighti!g she'e i! 4ust 10 'i!utes gi"e! a ra!ge o& e9uip'e!t. /he tea's o'pete &or three di&&ere!t pri:es( ;ost )reati"e +&&et< *est /eh!ial Solutio! a!d the eer ri:e.
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-ead Stead Light -ead Stead Light tea's to o'pete to desig! a! e8terior lighti!g she'e i! 4ust 10 'i!utes gi"e! a ra!ge o& e9uip'e!t. /he tea's o'pete &or three di&&ere!t pri:es( ;ost )reati"e +&&et< *est /eh!ial Solutio! a!d the eer ri:e.
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-ead Stead Light -ead Stead Light tea's to o'pete to desig! a! e8terior lighti!g she'e i! 4ust 10 'i!utes gi"e! a ra!ge o& e9uip'e!t. /he tea's o'pete &or three di&&ere!t pri:es( ;ost )reati"e +&&et< *est /eh!ial Solutio! a!d the eer ri:e.
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-ead Stead Light -ead Stead Light tea's to o'pete to desig! a! e8terior lighti!g she'e i! 4ust 10 'i!utes gi"e! a ra!ge o& e9uip'e!t. /he tea's o'pete &or three di&&ere!t pri:es( ;ost )reati"e +&&et< *est /eh!ial Solutio! a!d the eer ri:e.
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Lighting for Communal Residential Buildings (LG9) Richard Caple MSc MSLL Lighting Applications Manager Vice President - Society of Light & Lighting
Lighting for Communal Residential Buildings (LG9) Richard Caple MSc MSLL Lighting Applications Manager Vice President - Society of Light & Lighting
• Introduction • Specific areas – in detail • Equipment • Case studies • Emergency lighting
• Introduction • Specific areas – in detail • Equipment • Case studies • Emergency lighting
Introduction
Introduction
Introduction
2013
Introduction
2013
Introduction
What LG9 covers:• • • • • • • •
University halls of residence Hostels Children's homes Residential homes Social housing Elderly/nursing homes Hospices Staff accommodation
What LG9 does not cover:• Barracks • Secure accommodation • Hotels/bed and breakfast establishments
Introduction
What LG9 covers:• • • • • • • •
University halls of residence Hostels Children's homes Residential homes Social housing Elderly/nursing homes Hospices Staff accommodation
What LG9 does not cover:• Barracks • Secure accommodation • Hotels/bed and breakfast establishments
Introduction
• Daylight • Best practice for good illumination and pleasant ambience • Automatic lighting controls • Colour and decoration • Emergency lighting • Energy management and efficiency • Maintenance and life costs • Luminaire types and lamps
Introduction
• Daylight • Best practice for good illumination and pleasant ambience • Automatic lighting controls • Colour and decoration • Emergency lighting • Energy management and efficiency • Maintenance and life costs • Luminaire types and lamps
Introduction
• Co-ordination of lighting and colours essential • Contrasting colours help identify areas in large blocks and on multiple floors • Use of colour can help visually impaired people • LG11 gives guidance on surface reflectance and colours
Introduction
• Co-ordination of lighting and colours essential • Contrasting colours help identify areas in large blocks and on multiple floors • Use of colour can help visually impaired people • LG11 gives guidance on surface reflectance and colours
Specific areas in detail
• Entrances • Corridors • Stairwells • Bathrooms and toilets • Bedrooms • Kitchens • External lighting
Specific areas in detail
• Entrances • Corridors • Stairwells • Bathrooms and toilets • Bedrooms • Kitchens • External lighting
Specific areas in detail - entrances Tech Table
200 Lux
• First impression of the building • Transition from outdoors to building • Vertical illumination important for facial recognition • Consider less institutional products with good ceiling and wall illumination • Consideration of indirect luminaires • Consider automatic controls
Specific areas in detail - entrances Tech Table
200 Lux
• First impression of the building • Transition from outdoors to building • Vertical illumination important for facial recognition • Consider less institutional products with good ceiling and wall illumination • Consideration of indirect luminaires • Consider automatic controls
Specific areas in detail - corridors Tech Table
• Many corridors have little natural light Day Night
100 Lux 20 Lux
• Care to be taken to avoid glare • Spacing and location of luminaires • Vertical illumination important for facial recognition • Downlighters can offer a poor solution • Consider less institutional products with good ceiling and wall illumination
Specific areas in detail - corridors Tech Table
• Many corridors have little natural light Day Night
100 Lux 20 Lux
• Care to be taken to avoid glare • Spacing and location of luminaires • Vertical illumination important for facial recognition • Downlighters can offer a poor solution • Consider less institutional products with good ceiling and wall illumination
Specific areas in detail - corridors Tech Table Day Night
100 Lux 20 Lux
• Diffused lighting preferred to minimise glare • Automated controls require good detection to cover all doorways • Dimmed level for periods of vacancy down to 20% recommended
Specific areas in detail - corridors Tech Table Day Night
100 Lux 20 Lux
• Diffused lighting preferred to minimise glare • Automated controls require good detection to cover all doorways • Dimmed level for periods of vacancy down to 20% recommended
Specific areas in detail - stairwells Tech Table
100 Lux
• Lighting on stairs is critical for safety • Glare from lighting and windows should be kept to a minimum • Opal or diffused luminaires preferable • Light to shine downwards and illuminate treads • Consider controls but areas should not be left in complete darkness – push button type systems not recommended
Specific areas in detail - stairwells Tech Table
100 Lux
• Lighting on stairs is critical for safety • Glare from lighting and windows should be kept to a minimum • Opal or diffused luminaires preferable • Light to shine downwards and illuminate treads • Consider controls but areas should not be left in complete darkness – push button type systems not recommended
Specific Spec ific area areas s in detail detail - stai stairwell rwells s Tech Table
100 Lux
Beware of dark spots and shadows
Specific Spec ific area areas s in detail detail - stai stairwell rwells s Tech Table
100 Lux
Beware of dark spots and shadows
Specific Spec ific area areas s in detail detail - stai stairwell rwells s Tech Table
• Altern Alternati ative ve lighti lighting ng positi positions ons can reduc reduce e llumi uminai naire re points
100 Lux
• Half Half balc balconi onies es easier easier to mainta maintain in than than direct directly ly over over stairs Standard
Emergency
Specific Spec ific area areas s in detail detail - stai stairwell rwells s Tech Table
• Altern Alternati ative ve lighti lighting ng positi positions ons can reduc reduce e llumi uminai naire re points
100 Lux
• Half Half balc balconi onies es easier easier to mainta maintain in than than direct directly ly over over stairs Standard
Specific Spec ific areas areas in detail detail - bath bathroom rooms s and toilets toilets Tech Table Toilets 100 Lux Bathrooms 150 Lux
• Corr Correc ectt sel selec ecti tion on of lumi lumina nair ires es withi ithin n bathroom bathroom and and toilet areas areas – IP rating ratings s • Cont Contro rols ls prov provid ide e sig signi nific fican antt sav savin ings gs,, particularly for communal toilets • LED LED lum lumin inai aire res s wit with h inst instan antt lig light ht advantageous • Room Rooms s over over 8m 8m²² requ requir ire e em emer erge genc ncy y lighting
Emergency
Specific Spec ific areas areas in detail detail - bath bathroom rooms s and toilets toilets Tech Table Toilets 100 Lux Bathrooms 150 Lux
• Corr Correc ectt sel selec ecti tion on of lumi lumina nair ires es withi ithin n bathroom bathroom and and toilet areas areas – IP rating ratings s • Cont Contro rols ls prov provid ide e sig signi nific fican antt sav savin ings gs,, particularly for communal toilets • LED LED lum lumin inai aire res s wit with h inst instan antt lig light ht advantageous • Room Rooms s over over 8m 8m²² requ requir ire e em emer erge genc ncy y lighting
Specific areas in detail - bathrooms and toilets Tech Table Toilets 100 Lux Bathrooms 150 Lux
• Minimum two luminaires in bathroom areas • Night lighting advisable – in particular for elderly residents • Higher lighting levels for specialised applications • Good colour rendering
Specific areas in detail - bathrooms and toilets Tech Table Toilets 100 Lux Bathrooms 150 Lux
• Minimum two luminaires in bathroom areas • Night lighting advisable – in particular for elderly residents • Higher lighting levels for specialised applications • Good colour rendering
Specific areas in detail - bedrooms Tech Table Room Bedhead Desk
100 Lux 100 Lux 150 Lux
• Careful consideration of domestic style luminaires • Consider indirect light as well as direct • Décor can strongly effect illuminance levels • Good colour rendering • Anti ligature luminaires required in specialist applications
Specific areas in detail - bedrooms Tech Table Room Bedhead Desk
100 Lux 100 Lux 150 Lux
• Careful consideration of domestic style luminaires • Consider indirect light as well as direct • Décor can strongly effect illuminance levels • Good colour rendering • Anti ligature luminaires required in specialist applications
Specific areas in detail - bedrooms Tech Table Room Bedhead Desk
100 Lux 100 Lux 150 Lux
• Desks are best illuminated by a desk lamp • Additional lighting should be provided at the bedhead – separate switching • Consider lighting within the wardrobe – push button time delays
Specific areas in detail - bedrooms Tech Table Room Bedhead Desk
100 Lux 100 Lux 150 Lux
• Desks are best illuminated by a desk lamp • Additional lighting should be provided at the bedhead – separate switching • Consider lighting within the wardrobe – push button time delays
Specific areas in detail - kitchens Tech Table Kitchen Dinning
200 Lux 150 Lux
• Low glare uniform lighting • Good colour rendering • Easy clean luminaires • Consider positioning, avoid shadowing through multiple luminaires and where possible undercupboard lighting • Automatic lighting recommended, absence detection
Specific areas in detail - kitchens Tech Table Kitchen Dinning
200 Lux 150 Lux
• Low glare uniform lighting • Good colour rendering • Easy clean luminaires • Consider positioning, avoid shadowing through multiple luminaires and where possible undercupboard lighting • Automatic lighting recommended, absence detection
Specific areas in detail - external Tech Table Pathways 10 Lux Car parks 10 Lux
• Basic safety and security for residents, staff and visitors • Care homes 20-30lux with transition zones between interior and exterior areas • Lighting of keyholes, bell push, keypads and lists of residents required • Consideration of automatic lighting controls
Specific areas in detail - external Tech Table Pathways 10 Lux Car parks 10 Lux
• Basic safety and security for residents, staff and visitors • Care homes 20-30lux with transition zones between interior and exterior areas • Lighting of keyholes, bell push, keypads and lists of residents required • Consideration of automatic lighting controls
Specific areas in detail - external Tech Table Covered walkways 20 - 50 Lux
• Care to be taken to avoid glare • Spacing and location of luminaires • Vertical illumination important for facial recognition • Consider automatic controls
Specific areas in detail - external Tech Table Covered walkways 20 - 50 Lux
• Care to be taken to avoid glare • Spacing and location of luminaires • Vertical illumination important for facial recognition • Consider automatic controls
Equipment
Equipment
Equipment
Equipment
Equipment Some Lamps are better than others:
T12
Typical Life 15,000hrs Up to 69lm/W
T8
Typical Life 20,000hrs Up to 90lm/W
T5 High Output T5 High Efficiency T5 ECO
Compact Fluorescent
2D Lamps
Mercury
Typical Life 20,000hrs Up to 50lm/W
SON-T
Typical Life 28,000hrs Up to 123lm/W
MBI-T
Typical Life 18,000hrs Up to 110lm/W
GLS
Typical Life 400-2,000hrs Up to 10lm/W
Typical Life 25,000hrs Up to 114lm/W
Typical Life 13,000hrs Up to 74lm/W
Typical Life 12,000hrs Up to 80lm/W * All lamp life figures based on High Frequency control gear and to 50% failures
Equipment Some Lamps are better than others:
T12
Typical Life 15,000hrs Up to 69lm/W
T8
Typical Life 20,000hrs Up to 90lm/W
T5 High Output T5 High Efficiency T5 ECO
Compact Fluorescent
2D Lamps
Mercury
Typical Life 20,000hrs Up to 50lm/W
SON-T
Typical Life 28,000hrs Up to 123lm/W
MBI-T
Typical Life 18,000hrs Up to 110lm/W
GLS
Typical Life 400-2,000hrs Up to 10lm/W
Typical Life 25,000hrs Up to 114lm/W
Typical Life 13,000hrs Up to 74lm/W
Typical Life 12,000hrs Up to 80lm/W * All lamp life figures based on High Frequency control gear and to 50% failures
Equipment LEDs
Medium power LEDs - approx. 180 lm/W
High power LEDs - approx. 140 lm/W
Equipment LEDs
Medium power LEDs - approx. 180 lm/W
High power LEDs - approx. 140 lm/W
Equipment LEDs
Medium power LEDs - 150 LL/cW
High power LEDs - 110 LL/cW
Equipment LEDs
Medium power LEDs - 150 LL/cW
High power LEDs - 110 LL/cW
Equipment LEDs
1990’s
2000’s
2012
2015
Wattage
2x58W
2x35W T5
58W LED
58W LED
Luminaire Lumens
6344lm
5742lm
6100lm
8067lm
Circuit Wattage
110W
76W
67W
67W
Efficacy (LL/cW)
57.7
75.5
91
120
110% Increase in performance!
Equipment LEDs
1990’s
2000’s
2012
2015
Wattage
2x58W
2x35W T5
58W LED
58W LED
Luminaire Lumens
6344lm
5742lm
6100lm
8067lm
Circuit Wattage
110W
76W
67W
67W
Efficacy (LL/cW)
57.7
75.5
91
120
110% Increase in performance!
Equipment LEDs
CRI
100
80Ra – 90Ra
80
60
40
Equipment LEDs
CRI
100
80Ra – 90Ra
80
60
40
Equipment
Equipment
Equipment Downlighting – corridor Lighting requirements:100lx ave, 0.40 Uo
42W PL-T Downl!"#
Eav = 106lx (0.62MF*)
Uo = 0.76
Eav = 103lx (0.68MF*)
Uo = 0.62
32W LED Downl!"#
*Based on 1 year luminaire clean, 3 year room clean and 3 year lamp change
Equipment Downlighting – corridor Lighting requirements:100lx ave, 0.40 Uo
42W PL-T Downl!"#
Eav = 106lx (0.62MF*)
Uo = 0.76
Eav = 103lx (0.68MF*)
Uo = 0.62
32W LED Downl!"#
*Based on 1 year luminaire clean, 3 year room clean and 3 year lamp change
Equipment
Luminaire
Qty
Circuit Wattage
Total Circuit Watts (kW)
Annual Power Consumption (kW)
Running Cost per annum
Total Luminaire Cost
Maintenance Costs
10 Year Life Cycle Cost
42W PL-T
5
47
0.235
0.705
£70.50
£560.00
£535.00
£1,800.00
32W LED
4
37
0.148
0.444
£44.40
£640.00
£0
£1,084.00
Saving Payback
*$a%&' on 3000 nn! "o% +& ann, an' 10 +&n& +& W/" El&## #a
£716.00 1.00 Yrs
Equipment
Luminaire
Qty
Circuit Wattage
Total Circuit Watts (kW)
Annual Power Consumption (kW)
Running Cost per annum
Total Luminaire Cost
Maintenance Costs
10 Year Life Cycle Cost
42W PL-T
5
47
0.235
0.705
£70.50
£560.00
£535.00
£1,800.00
32W LED
4
37
0.148
0.444
£44.40
£640.00
£0
£1,084.00
Saving Payback
*$a%&' on 3000 nn! "o% +& ann, an' 10 +&n& +& W/" El&## #a
Equipment Exterior Lighting – Car Park Lighting requirements:Medium traffic - 10lx ave, 0.25 Uo
70W M$ Lan#&n
Eav = 11lx (0.46MF*)
Uo = 0.3
*$a%&' on 2 &a l&ann! an' l la,+ "an!&
31W LED Lan#&n
Eav = 13lx (0.63MF*)
Uo = 0.2
£716.00 1.00 Yrs
Equipment Exterior Lighting – Car Park Lighting requirements:Medium traffic - 10lx ave, 0.25 Uo
70W M$ Lan#&n
Eav = 11lx (0.46MF*)
31W LED Lan#&n
Uo = 0.3
Eav = 13lx (0.63MF*)
Uo = 0.2
*$a%&' on 2 &a l&ann! an' l la,+ "an!&
Equipment Exterior Lighting – Car Park
Luminaire
Qty
Circuit Wattage
Total Circuit Watts (kW)
Annual Power Consumption (kW)
Running Cost per annum
Total Luminaire Cost
Maintenance Costs
10 Year Life Cycle Cost
70W MBI
12
86
1.03
3.921
£392.16
£1,200.00
£5,460.00
£10,581.60
31W LED
12
34
0.40
1.550
£155.04
£3,000.00
£0
£4,550.40
*$a%&' on 3800 nn! "o% +& ann, an' 10 +&n& +& W/" El&## #a
Saving
£6,031.20
Payback
2.3 Yrs
Equipment Exterior Lighting – Car Park
Luminaire
Qty
Circuit Wattage
Total Circuit Watts (kW)
Annual Power Consumption (kW)
Running Cost per annum
Total Luminaire Cost
Maintenance Costs
10 Year Life Cycle Cost
70W MBI
12
86
1.03
3.921
£392.16
£1,200.00
£5,460.00
£10,581.60
31W LED
12
34
0.40
1.550
£155.04
£3,000.00
£0
£4,550.40
*$a%&' on 3800 nn! "o% +& ann, an' 10 +&n& +& W/" El&## #a
Equipment
Do ensure luminaire suitability!
Saving
£6,031.20
Payback
2.3 Yrs
Equipment
Do ensure luminaire suitability!
Equipment
Equipment
Equipment
• Performance (optical) • Performance (energy) • Robustness • Aesthetics • Cost
• IP rating • IK rating
Equipment
• Performance (optical) • Performance (energy) • Robustness • Aesthetics • Cost
• IP rating • IK rating
Equipment
It is not the ‘lamp’ wattage but the total circuit wattage that is important!
Equipment
It is not the ‘lamp’ wattage but the total circuit wattage that is important!
Equipment
Equipment
Equipment
• The most efficient luminaire is one that is switched off! • Basic photocell control switches the luminaire off during the day • PIR’s switch when activity is detected through Infra-red detection • Microwave detectors simple and cost effective, can be issues with false triggering and nuisance switching through vibration and noise • Smart controls are the most complete lighting control system, they combine PIR detection with light a light sensor, and are fully programmable
Equipment
• The most efficient luminaire is one that is switched off! • Basic photocell control switches the luminaire off during the day • PIR’s switch when activity is detected through Infra-red detection • Microwave detectors simple and cost effective, can be issues with false triggering and nuisance switching through vibration and noise • Smart controls are the most complete lighting control system, they combine PIR detection with light a light sensor, and are fully programmable
Equipment
• Energy savings through switching • Systems should be simple and intuitive • Ensure detection patterns cover all eventualities and entry points • Absence / presence detection options • Never leave critical areas in darkness
Equipment
• Energy savings through switching • Systems should be simple and intuitive • Ensure detection patterns cover all eventualities and entry points • Absence / presence detection options • Never leave critical areas in darkness
Equipment
GOOD COVERAGE
INDIVIDUAL LUMINAIRE DETECTION
Plan view
Equipment
GOOD COVERAGE
INDIVIDUAL LUMINAIRE DETECTION
Plan view
Equipment
Equipment
Equipment
• Buildings should be designed to maximise daylight contributions • Typical daylight sensor savings 4060% • Individual dimming offers the best energy savings
EXPLOITING DAYLIGHT
• Luminaires away from windows can still make significant savings through maintained illuminance and internal reflections
Equipment
• Buildings should be designed to maximise daylight contributions • Typical daylight sensor savings 4060% • Individual dimming offers the best energy savings
EXPLOITING DAYLIGHT
Case Study Data logging
• In many cases clients do not realise energy usage and wastage
• Before and after data logging provides excellent evidence of power use
• Luminaires away from windows can still make significant savings through maintained illuminance and internal reflections
Case Study Data logging
• In many cases clients do not realise energy usage and wastage
• Before and after data logging provides excellent evidence of power use
Case Study - University
•
Corridor & stairwells in halls of residence
•
Mainly 28W 2D switch start & 26W TCT HF
•
Never switched off
Case Study - University
•
Corridor & stairwells in halls of residence
•
Mainly 28W 2D switch start & 26W TCT HF
•
Never switched off
Case Study - University
•
Trial Installation – 19W LED + Intelligent controls – 33% reduction in load of a typical luminaire
•
Power Monitoring Exercise – 1 week in January – Luminaires on for 6 hours/day, not 24 – Whilst on, average output = 30%
Electricity cost reduced from £26.9K to £3K!
Case Study - University
•
Trial Installation – 19W LED + Intelligent controls – 33% reduction in load of a typical luminaire
•
Power Monitoring Exercise – 1 week in January – Luminaires on for 6 hours/day, not 24 – Whilst on, average output = 30%
Electricity cost reduced from £26.9K to £3K!
Case Study - Social Housing
• Social Housing – 24/7 operation • Intelligent controls integral to LED luminaires (Internal and external versions) • Used on stairwells, balconies, and lift lobbies • External version used by doorways, open balconies
Case Study - Social Housing
• Social Housing – 24/7 operation • Intelligent controls integral to LED luminaires (Internal and external versions) • Used on stairwells, balconies, and lift lobbies • External version used by doorways, open balconies
Case Study - Social Housing
• Actual data downloaded from intelligent luminaires • 7 luminaires installed within housing corridor
Luminaire 1
Luminaire 2
Luminaire 3
Luminaire 4
Luminaire 5
Luminaire 6
Luminaire 7
R-Hours Powered
321
321
321
322
321
322
321
R-Hours Lamp On
94
116
26
30
91
20
36
PIR Saving
71%
64%
92%
91%
72%
94%
89%
DSI Average
34
53
39
33
32
36
24
Average Power
42%
58%
46%
41%
40%
44%
33%
Dimming Saving
58%
42%
54%
59%
60%
56%
68%
Total saving
88%
79%
96%
96%
89%
97%
96%
Average Saving
92%
Case Study - Social Housing
• Actual data downloaded from intelligent luminaires • 7 luminaires installed within housing corridor
Luminaire 1
Luminaire 2
Luminaire 3
Luminaire 4
Luminaire 5
Luminaire 6
Luminaire 7
R-Hours Powered
321
321
321
322
321
322
321
R-Hours Lamp On
94
116
26
30
91
20
36
PIR Saving
71%
64%
92%
91%
72%
94%
89%
DSI Average
34
53
39
33
32
36
24
Average Power
42%
58%
46%
41%
40%
44%
33%
Dimming Saving
58%
42%
54%
59%
60%
56%
68%
Total saving
88%
79%
96%
96%
89%
97%
96%
Average Saving
92%
Emergency lighting
Open areas
0.5lux minimum
Escape routes
1.0lux minimum / centre line
Emergency lighting
Open areas
0.5lux minimum
Escape routes
1.0lux minimum / centre line
Emergency lighting
• • • • • • • • • • •
Escape route signs Stairs so that each flight receives direct light Changes in level Changes of escape route direction Corridor intersections Fire alarm call points or pieces of fire fighting equipment External areas in the immediate vicinity of final exits Toilet facilities exceeding 8m² or any multiple closet facility without borrowed light Toilet facilities for disabled use Motor generator, control and plant rooms All other areas as deemed by the Risk Assessment
Emergency lighting
• • • • • • • • • • •
Escape route signs Stairs so that each flight receives direct light Changes in level Changes of escape route direction Corridor intersections Fire alarm call points or pieces of fire fighting equipment External areas in the immediate vicinity of final exits Toilet facilities exceeding 8m² or any multiple closet facility without borrowed light Toilet facilities for disabled use Motor generator, control and plant rooms All other areas as deemed by the Risk Assessment
Emergency lighting Escape route lighting
Minimum 2 luminaires per ‘compartment’ – BSEN50172
Emergency lighting Escape route lighting
Minimum 2 luminaires per ‘compartment’ – BSEN50172
Emergency lighting Escape route lighting
Emergency duration must be 3 hours
Emergency lighting Escape route lighting
Emergency duration must be 3 hours
Emergency lighting Inspection & testing
• Daily • Central battery cabinets only •
Visual inspection to ensure the system is in a ready condition
• Monthly • Short duration test •
To ensure that all emergency luminaires illuminate correctly (lamps and batteries are working)
• Annually • Full duration test •
To ensure that all emergency luminaires illuminate correctly and fully achieve duration required (3 hours)
Emergency lighting Inspection & testing
• Daily • Central battery cabinets only •
Visual inspection to ensure the system is in a ready condition
• Monthly • Short duration test •
To ensure that all emergency luminaires illuminate correctly (lamps and batteries are working)
• Annually • Full duration test •
To ensure that all emergency luminaires illuminate correctly and fully achieve duration required (3 hours)
Emergency lighting Inspection & testing
Emergency lighting Inspection & testing
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