uefa-stadium-lighting-guide-2016-part-2

UEFA Stadium Lighting Guide 2016 (Part 2)

127 Published by admin 07 23,2018

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UEFA Stadium Lighting Guide 2016 (Part 1)
UEFA Stadium Lighting Guide 2016 (Part 2)
UEFA Stadium Lighting Guide 2016 (Part 3)
UEFA Stadium Lighting Guide 2016 (Part 4)
UEFA Stadium Lighting Guide 2016 (Part 5)
UEFA Stadium Lighting Guide 2016 (Part 6)
UEFA Stadium Lighting Guide 2016 (Part 7)
eufa soccer stadium lighting

Level B floodlighting illuminance

Eh ave
(average horizontal illuminance)
> 1,400 lux
Uniformity U1h > 0.50
Uniformity U2h > 0.70
Ev ave-0°
(vertical illuminance on 0° reference plane)
average > 1,000 lux
minimum > 600 lux
Uniformity U1v-0° > 0.40
Uniformity U2v-0° > 0.50
Ev ave-90°
(vertical illuminance on 90° reference plane)
average > 1,000 lux
minimum > 600 lux
Uniformity U1v-90° > 0.40
Uniformity U2v-90° > 0.50
Ev ave-180°
(vertical illuminance on 180° reference plane)
average > 1,000 lux
minimum > 600 lux
Uniformity U1v-180° > 0.40
Uniformity U2v-180° > 0.50
Ev ave-270°
(vertical illuminance on 270° reference plane)
average > 1,000 lux
minimum > 600 lux
Uniformity U1v-270° > 0.40
Uniformity U2v-270° > 0.50
Match continuity mode (MCM) Eh ave > 600 lux
Ev4 ave > 300 lux
Flicker factor (FF) average < 12%
maximum < 15%
Minimum adjacent uniformity ratio (MAUR) > 0.60
Colour temperature (Tk) 5,000–6,200K
Colour rendering ≥ 80 Ra
Glare rating (GR) < 50
Maintenance factor (MF) 0.80
Power supply Level B

Level C floodlighting illuminance

Eh ave
(average horizontal illuminance)
> 1200 lux
Uniformity U1h > 0.40
Uniformity U2h > 0.60
Ev ave-0°
(vertical illuminance on 0° reference plane)
average > 750 lux
minimum > 350 lux
Uniformity U1v-0° > 0.35
Uniformity U2v-0° > 0.45
Ev ave-90°
(vertical illuminance on 90° reference plane)
average > 750 lux
minimum > 350 lux
Uniformity U1v-90° > 0.35
Uniformity U2v-90° > 0.45
Ev ave-180°
(vertical illuminance on 180° reference plane)
average > 750 lux
minimum > 350 lux
Uniformity U1v-180° > 0.35
Uniformity U2v-180° > 0.45
Ev ave-270°
(vertical illuminance on 270° reference plane)
average > 750 lux
minimum > 350 lux
Uniformity U1v-270° > 0.35
Uniformity U2v-270° > 0.45
Match continuity mode (MCM) Eh ave > 300 lux
Ev4 ave > 200 lux
Flicker factor (FF) average < 20%
maximum < 30%
Minimum adjacent uniformity ratio (MAUR) > 0.50
Colour temperature (Tk) 4,200–6,200K
Colour rendering > 70 Ra
Glare rating (GR) < 50
Maintenance factor (MF) 0.70
Power supply Level C

Level D floodlighting illuminance

Eh ave
(average horizontal illuminance)
> 800 lux
Uniformity U1h > 0.40
Uniformity U2h > 0.50
Ev ave-0°
(vertical illuminance on 0° reference plane)
average > 350 lux
minimum > 200 lux
Uniformity U1v-0° -
Uniformity U2v-0° -
Ev ave-90°
(vertical illuminance on 90° reference plane)
average > 350 lux
minimum > 200 lux
Uniformity U1v-90° -
Uniformity U2v-90° -
Ev ave-180°
(vertical illuminance on 180° reference plane)
average > 350 lux
minimum > 200 lux
Uniformity U1v-180° -
Uniformity U2v-180° -
Ev ave-270°
(vertical illuminance on 270° reference plane)
average > 350 lux
minimum > 200 lux
Uniformity U1v-270° -
Uniformity U2v-270° -
Match continuity mode (MCM) -
-
Flicker factor (FF) -
Minimum adjacent uniformity ratio (MAUR) -
Colour temperature (Tk) 4,200–6,200K
Colour rendering > 65 Ra
Glare rating (GR) < 50
Maintenance factor (MF) 0.70
Power supply Level D

Illuminance design guidelines

The pitch illuminance system should provide the optimum conditions within the given illuminance level to ensure that players, officials, spectators and broadcasters are able to perform and enjoy the match without hindrance.
During the design process, the guidelines below should be used in order to establish a high-quality pitch illuminance system that satisfies the requirements of the relevant UEFA illuminance level.

Players and officials

The primary concern should be to give players and officials the optimum conditions in which to perform. The illuminance system should not distract or hinder players or officials during the match.

Spectators

The illuminance system should provide spectators with an environment that is comfortable and free from glare and allows them to see the match clearly.

Broadcasters and media

Television broadcasters require certain illuminance conditions to enable high-quality pictures to be produced. The minimum illuminance levels required for specific competitions are specified in Section 4.

Luminaire mounting positions

The positioning of floodlight luminaires has a huge impact on the pitch illuminance conditions. This is one of the primary concerns when evaluating the design process. The luminaire mounting positions will have a direct impact on the pitch illuminance level and uniformity for all planes. The mounting positions will also have an impact on the creation of player shadows and the visual comfort experienced by players, officials and spectators.
In recent years, architectural requirements and design aesthetics have challenged the previous illuminance design guidelines. New stadiums are often designed and constructed in ways which require the pitch illuminance system to perform to the required standard while also remaining true to the architectural design. There are now many examples of stadiums in Europe which have pitch illuminance systems that do not conform to the previous guidelines but do provide good illuminance conditions. UEFA recommends that all new pitch illuminance designs focus primarily on ensuring that player comfort is maintained. Design solutions should ensure that the comfort of players, officials and spectators is maintained, while providing good operating conditions for broadcast television. Any new pitch illuminance design/concept that achieves this while also fulfilling UEFA’s other pitch illuminance requirements will bewelcomed.

Floodlight luminaire mounting guide

Ref. Position Guidance
6.1 Corners –
column/tower
floodlight array
To avoid excessive glare around the goal line, particular attention should be paid to the zone within 15° of either side of the goal line. Multiple luminaires, as used in column or tower installations, should not be placed in this zone.
6.2 Corners –
linear floodlight array
If the installation design requires luminaires to be positioned within 15° of the goal line, the luminaires’ focal point should be outside the penalty area. Luminaires positioned outside the 15° zone may be focused on the penalty area. This is only suitable for linear floodlight arrays.
6.3 Pitch perimeter –
lateral distance to
luminaire position
An adequate lateral distance between the luminaire mounting positions and the goal lines and side lines should be maintained in order to achieve the required vertical illuminance level around the perimeter of the pitch.
6.4 Pitch sides –
luminaire
mounting zone
The luminaires should be mounted at an angle of no less than 25° and no more than 45° above the centre of the pitch.
6.5 Pitch perimeter –
second linear row
The luminaires should be mounted at an angle of no less than 25° and no more than 45° above the centre of the pitch. In order to achieve improved vertical illuminance around the perimeter of the pitch, it may be necessary to install an additional linear row of luminaires with a greater lateral distance from the pitch.
6.6 Luminaire focus point
angle
In order to avoid discomfort glare being experienced by players and officials, a general rule during the design process is to ensure that luminaires’ focus point angle is less than 70° from the line perpendicular to the pitch.
6.7 Pitch sides – luminaire
mounting positions
Stadium structures should not impede the luminous flux of the pitch lighting system and cause shadows to be cast on the pitch.
6.8 Behind penalty area –
luminaire
mounting zone
To maintain good visual conditions both for attacking players in front of the goal and for the goalkeeper, luminaires should be mounted more than 60° from the goal line when in line with the penalty area.
6.9 Behind penalty area –
luminaire
mounting zone
Luminaires positioned behind the goal and parallel to the penalty area should be mounted greater than 60° from the goal line.
6.10 Behind goal line –
second linear row
An adequate lateral distance between the luminaire mounting position and the goal lines should be maintained in order to achieve the required vertical illuminance level around the perimeter of the pitch. In some cases, a second linear run of luminaires may be installed under a stadium roof canopy to assist in this area.
6.11 UEFA pitch
dimensions
Official UEFA pitch size and penalty area dimensions

Diagrams of design guidelines

Corners – column/tower floodlight array

uefa stadium lighting
When pitch illuminance is provided by means of corner columns or towers with multiple luminaires in a group (as is generally seen in columns and towers), the luminaires should not be mounted within 15° of either side of the goal line (see diagram above).
Large multiple arrays of luminaires provide greater levels of discomfort glare and should not, therefore, be positioned in these areas. A consecutive line of luminaires with more than two rows is considered, for this purpose, to be a ‘large multiple array’.

Corners – linear floodlight array

uefa stadium lighting led
As regards players in the penalty area, the discomfort glare produced by a linear run of luminaires is considered to be within an acceptable level if the luminaires’ focus points are such that players can stand in the penalty area and look towards the corners without hindrance.
Luminaires mounted within 15° of the goal line should be focused away from the penalty box, as indicated in the diagram above.
Multiple arrays of luminaires should not be positioned within 15° of either side of the goal line.
A linear array of luminaires used for this purpose should not comprise more than two rows.

Pitch perimeter – lateral distance

uefa stadium lighting led mecree
In order to achieve the required vertical illuminance around the perimeter of the pitch, the luminaires should have a mounting position with a minimum lateral distance from the pitch perimeter of greater than12m.

Pitch perimeter – luminaire mounting zone


The luminaires should not be mounted less than 25° or more than 45° above the centre of the pitch.
This will generally ensure that illuminance conditions comply with UEFA’s guidelines.
If possible, luminaires should be mounted at least 20–25m above the surface of the pitch. If this is not possible, it is important to develop a design solution that considers the implications of that reduced height and takes it into account.
One way to ensure that players’ discomfort glare is kept below 50 is to limit the angle of a floodlight’s tilt to 70°, as indicated in the diagram in Section 6.6. However the structural design of some stadiums may make this impossible. In all glare rating evaluations, evidence should be provided of how the glare rating is kept below 50.

Pitch perimeter – second linear row

uefa stadium lights led
If the stadium design or existing installation requires luminaires to be positioned within a lateral distance of 12m of the perimeter of the pitch, or if the vertical illuminance requires improvement, a second linear run of luminaires should be used to achieve the required vertical illuminance around the perimeter of the pitch.

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