While "PR-402" may sound like a product number, in the context of Abu Dhabi regulations, it points directly to a landmark initiative. According to the official announcement by the in May 2024, the emirate launched the "Abu Dhabi Dark Sky Policy" (PR-402) . This policy is the primary blueprint for responsible lighting.
Exterior lighting adjacent to glazed buildings must include photocells and astronomical timers to turn off during adequate daylight, preventing waste.
Minimizing light pollution, protecting local nocturnal ecosystems, and lowering carbon emissions in alignment with the Abu Dhabi Economic Vision 2030. Scope of Application pr 402- abu dhabi lighting manual
PR 402 explicitly requires:
PR 402 categorizes Abu Dhabi’s network into distinct lighting classes. Each class defines specific requirements for average luminance ( Lavgcap L sub a v g end-sub ), overall uniformity ( U0cap U sub 0 ), and longitudinal uniformity ( Ulcap U sub l While "PR-402" may sound like a product number,
) ratios based on international CIE (International Commission on Illumination) standards. The manual outlines maximum permissible Threshold Increment (TI) percentages to limit glare experienced by drivers. 3. Ingress Protection (IP) and Impact Ratings
In the realm of urban planning and infrastructure, lighting is often an afterthought—until it isn't. For the Emirate of Abu Dhabi, lighting is a strategic asset. is the definitive regulatory and design guide governing all exterior lighting within the emirate. Issued by the Department of Municipalities and Transport (DMT), this manual transcends traditional "illumination guidelines" to establish a holistic framework that balances safety, aesthetics, environmental stewardship, and astronomical preservation. Exterior lighting adjacent to glazed buildings must include
Expressways, arterial roads, collector streets, and local residential roads.
The primary objective of the PR-402 manual is to transition Abu Dhabi towards high-efficiency, sustainable LED lighting while maintaining strict safety standards. Key principles within the manual include: