Lumeitalia

Reference project: how we set up a outdoor sports facility lighting intervention

The working method applied by the Lumeitalia technical office to a outdoor sports facility lighting intervention, stage by stage.

Campo da calcio illuminato da proiettori LED
Campo da calcio illuminato da proiettori LED. Immagine illustrativa generata con AI.

Overview

This piece describes a design method, not a specific site: the values given are setup criteria, not measurements from a built installation. Football pitches, athletics tracks and multipurpose outdoor facilities must serve athletes, spectators and, at higher levels, TV broadcasting. The aim is to make repeatable the sequence of decisions that takes a outdoor sports facility lighting intervention from survey to commissioning.

Applicable standards

The regulatory reference for outdoor sports facility lighting is not a single document but a coordinated set of standards covering performance, safety and environmental impact. In design practice the following documents drive the main choices.

  • EN 12193 — sports lighting, classes I-III.
  • federation regulations — additional competition requirements.
  • CIE 150 — obtrusive light control towards dwellings.

Stage 1 — Survey of the existing condition

The survey precedes any solution hypothesis. Real geometry, position and height of existing luminaires, condition of poles and lines, installed power, operating hours and issues reported by the operator are all recorded. The photographic survey documents the initial state and is the basis for the before/after comparison.

In outdoor sports facility lighting contexts the survey must include the conditions that constrain the solution: achieving pitch uniformity while avoiding glare for players and goalkeepers and access limitations for future maintenance.

Stage 2 — Requirements and calculation assumptions

Requirements are declared in writing with their reference standard and the rationale for the chosen category. The same note fixes the maintenance factor, the assumed cleaning cycle and the ambient conditions considered. This is the document that makes the design verifiable and that, in a dispute, separates an execution error from a requirement never agreed.

Stage 3 — Solution selection

Selection starts from the photometric distribution suited to the surveyed geometry, then considers environmental compatibility, the control system and maintainability. At least two alternative configurations are assessed with their impact on luminaire count, installed power and maintenance burden: a documented comparison is what makes the final choice defensible.

Stage 4 — Verification and handover

On-site verification follows the protocol agreed in the specification and closes with a report comparing measured values against declared requirements. At handover the updated calculation report, photometric files of the installed luminaires, maintenance plan and control system configuration are transferred. Without this package, later operation starts from scratch.

Performance data from a real intervention can only be shared if measured and authorised by the client: for this reason the method is described here without site figures. Project-specific documentation is available on request from the technical office.

Recurring critical points

The difficulties that most often emerge in outdoor sports facility lighting projects are not about product selection, but about defining requirements and verifying results.

  • Achieving pitch uniformity while avoiding glare for players and goalkeepers.
  • Controlling spill light towards neighbouring homes.
  • Ensuring flicker-free operation for slow-motion capture.

Design approach

An orderly method drastically reduces variations during works and disputes at commissioning. Three choices make the difference from the earliest stages.

  • Aiming studies tower by tower instead of standard symmetric layouts.
  • Shielding and sharp cut-off optics towards property boundaries.
  • Supply and drivers selected for flux stability under camera capture.

Parameters to verify

  • Lighting class — EN 12193 — I, II or III by competition level
  • Uniformity — EN 12193 — horizontal and vertical for broadcasting
  • Glare rating GR — EN 12193 — assessed for playing positions
  • Obtrusive light — CIE 150 — limits towards windows and sky

Most frequent mistakes

Non-conformities found at commissioning almost always come from three causes: requirements not declared or declared without a reference standard, calculation run on idealised geometry, and an optimistic maintenance factor. All three can be avoided at zero cost during design.

  • Geometric, electrical and photographic survey of the existing condition
  • Requirements declared in writing with reference standard
  • Maintenance factor and cleaning cycle made explicit
  • At least two alternative configurations documented
  • Verification protocol agreed before execution
  • Complete handover package (calculation, photometrics, maintenance plan)

Key takeaways

A outdoor sports facility lighting project holds up over time when requirements are declared, the calculation reproduces real conditions and on-site verification follows an agreed protocol. Component selection matters, but comes later: without measurable requirements even the best product delivers a result that cannot be demonstrated. Centro Studi Lumeitalia makes its technical office available to review requirements and design checks.

Methodological note: This content is written for technical information purposes by Centro Studi Lumeitalia and does not replace the lighting design or a full reading of the standards cited. Applicable performance values are those of the standards in force at design time.

Domande frequenti

Which class does a municipal pitch need?+

Usually class III for training and amateur activity, class II for local and regional competitions; higher classes apply to national competition and TV coverage.

Why does flicker matter in sports venues?+

Because slow-motion capture reveals flux oscillation, so the installation is designed with stable electronics and verified under camera conditions.

Where should a outdoor sports facility lighting project start?+

From a written definition of performance requirements and verification conditions: this step drives every later choice and makes the result either disputable or defensible at commissioning.

Which documents should be requested from the supplier?+

Photometric files of the proposed luminaires, declaration of conformity, lifetime data declared per IES LM-80 with its conditions, the maintenance schedule and warranty terms.