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Technical scenario: a new industrial warehouse lighting installation

From requirement definition to commissioning: methodological path for a new industrial warehouse lighting installation.

Corsie di un magazzino con scaffalature alte e illuminazione LED
Corsie di un magazzino con scaffalature alte e illuminazione LED. Immagine illustrativa generata con AI.

Overview

Designing from scratch removes the constraints of an existing installation but increases responsibility: every geometric, electrical and operational choice is open and must be justified. In production halls, light affects work quality, safety and fixed costs: it is one of the few measures with a measurable payback on the energy bill. The scenario below describes a typical methodological path, with no reference to clients or real installation data.

Applicable standards

The regulatory reference for industrial warehouse 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 12464-1 — lighting of indoor work places.
  • Italian Legislative Decree 81/2008 — workplace safety and lighting requirements.
  • EN 1838 — emergency lighting.

Defining the requirements

The starting point is the real intended use, not the nominal one: an area designed for one purpose and used for another produces unmet requirements from day one. The design must state the assumed usage conditions, so that future changes are recognisable as such.

Geometry and services integration

With free geometry, light-point positions can be optimised for the lighting result rather than existing constraints. They must, however, be coordinated with other disciplines from the outset: underground services, structures, trees and future extensions affect positions and heights more than an isolated calculation model suggests.

The electrical architecture should also be settled early: circuit splitting, isolation points and control provisions determine how flexible operation will be in the coming years.

Commissioning and handover

Commissioning is not the same as switching on: it includes tuning the dimming profiles, verifying performance, training the staff who will operate the installation and handing over complete technical documentation. A well-designed installation delivered without documentation loses much of its value within the first year of operation.

Recurring critical points

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

  • Matching levels to the real visual tasks of each production area.
  • Handling high ceilings and racking that create shadows.
  • Integrating daylight without compromising uniformity.

Design approach

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

  • Zoning by visual task with differentiated requirements per department.
  • Optics chosen for mounting height and structural pitch.
  • Daylight harvesting on perimeter bays and skylights.

Parameters to verify

  • Maintained illuminance — EN 12464-1 — per department visual task
  • UGR — EN 12464-1 — glare limit per workstation
  • Colour rendering — EN 12464-1 — minimum required for the task
  • Emergency lighting — EN 1838 — escape routes and critical points

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.

Key takeaways

A industrial warehouse 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

How much light does a warehouse need?+

It depends on the visual task: EN 12464-1 differentiates storage, assembly lines and quality control, with increasing illuminance, UGR and colour rendering requirements.

Should existing light points be reused in a retrofit?+

Only if the existing grid meets uniformity requirements: LED often allows fewer points, but this must be confirmed by calculation.

Where should a industrial warehouse 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.