402- Abu Dhabi Lighting Manual Best | Pr

PR 402 adopts the CIE 115 standard classification but with specific thresholds:

Luminaires were restricted to a 5-degree tilt to minimize wasted light upward, reducing light pollution. The 1000mm Rule: pr 402- abu dhabi lighting manual

| Violation | Consequence | Solution | |-----------|-------------|----------| | Using 5000K LEDs | Immediate rejection | Only 3000K or 4000K max, with justification. | | Insufficient uniformity (Uo < 0.35) | Safety hazard, non-compliance | Increase pole spacing or add secondary luminaires. | | Up-lighting on villa façades | Light trespass, neighbor complaints | Use shielded wall-washers or downward grazing fixtures. | | Ignoring controls (no dimming) | Fails Estidama review | Specify 0–10V dimmable drivers and programmable schedule. | | Using non-IP65 fixtures | Dust ingress, early failure | Require IP66 for horizontal or exposed luminaires. | PR 402 adopts the CIE 115 standard classification

By utilizing wireless control systems and smart LED, the city now adjusts its own intensity based on traffic, dimmed to save energy in the small hours, and blazing with full clarity during peak times. Epilogue: The New Sky | | Up-lighting on villa façades | Light

Before PR 402, lighting projects in Abu Dhabi often suffered from inconsistent illumination, excessive energy use, and light pollution. The manual was introduced to: