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People work to clear a house from a bridge on KY-931 near the Whitesburg Recycling Center in Letcher County, Ky., on Friday, July 29, 2022.
External lights such as street lights were switched off, or dimmed and shielded to deflect light downward. Essential lights such as traffic lights and vehicle headlights were fitted with slotted covers to deflect their beams downwards to the ground. [8] Shops and factories had particular problems.
Security lighting to prevent intrusions may be counter-productive. Turning off lights halved the number of thefts and burglary in Övertorneå Sweden. [2] [3] A test in West Sussex UK showed that adding all-night lighting in some areas made people there feel safer, although crime rates increased 55% in those areas compared to control areas and to the county as a whole.
Most individual light sources can be rotated and aimed for where light is needed most in an emergency, such as toward fire exits. Modern fixtures usually have a test button of some sort which simulates a power failure and causes the unit to switch on the lights and operate from battery power, even if the main power is still on.
People in the mountains of NC impacted by the flooding from Helene gathered in churches and parking lots for prayer and support on the weekend following the the disastrous storm.
The problem is basic hydrology. Water flows downhill. When you elevate half the houses on a street, the water that used to settle evenly among them now concentrates on the lower-lying properties.
The most common type of floodlight was the metal-halide lamp, which emits a bright white light (typically 75–100 lumens/Watt). Sodium-vapor lamps are also commonly used for sporting events, as they have a very high lumen to watt ratio (typically 80–140 lumens/Watt), making them a cost-effective choice when certain lux levels must be provided. [4]
Crews expressed concerns that the flood and subsequent sinkhole might have weakened the foundation of a home near the affected area. The couple living in the house were forced to leave on Monday ...