The same lumen package behaves differently across a desk, warehouse aisle, roadway, façade, or playing surface. Start with users, geometry, and the visual task.
Review maintained illuminance, screen reflections, vertical brightness, CCT, and occupancy schedules. High lm/W can lower connected load, but an optic that produces uncomfortable brightness or poor wall illumination may not support the people using the room.
Beam control, CRI, TM-30 information, dimming behavior, and visual hierarchy shape the experience. Mock-ups are valuable because finishes, merchandise, and sightlines can expose issues that a horizontal illuminance target misses.
Mounting height, aisle geometry, vertical visibility, ambient temperature, IP rating, surge conditions, and maintenance access guide high-bay selection. Sensors can save energy, yet poor zoning can leave occupied work areas dim.
Candela distribution, BUG rating, pole spacing, uniformity, pedestrian recognition, and nearby properties all matter. More output is not automatically safer when disability glare reduces contrast or spill light affects neighbors.
Player visibility, spectator comfort, camera needs, aiming, spill limits, structural interfaces, and control zones belong in one plan. A field measurement grid after aiming provides a repeatable check against the approved design assumptions.
These numbers describe the Musco review framework, not guaranteed project outcomes. Final quantity, energy use, illuminance, uniformity, and control behavior depend on the selected product, calculation assumptions, installation, and commissioning. Record measurement locations, meter orientation, operating state, voltage, and ambient conditions when checking an installation so later reviewers can reproduce the comparison.
Share the space type, dimensions, mounting, operating pattern, and priority criteria. We will help turn them into a practical selection checklist.