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Scaffold Alert

Scaffold Alert proposes a design that gives warning to safety risks and thus, enhances the overall safety measures on construction scaffolding. On detection of an overloading situation, the sensor activates a flashing red danger light and an audible warning alarm.


Ming Chuan University, Taiwan

Faculty Advisors: Prof. Chuang Ching-Chang, Prof. Lo Hsin-Chang, Prof. Juan Wei-Chao

Design: Chen Yu-Sheng, Liao Mei-Chih


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Construction workers have to perform high-risk work on scaffolds in a hazardous operating environment where their safety considerations are frequently overlooked. Overloading and collapse of construction scaffolding often occur before the workers can be evacuated. So Scaffold Alert was designed as a scaffolding sensor and alarm to give ample warning to safety risks. 

Scaffold Alert uses pressure-sensor nodes to detect overloading that goes beyond the scaffold’s maximum safe load capacity. When overloading is detected, Scaffold Alert activates a flashing red danger light and an audible warning alarm. 

This is a safe and environmentally friendly design that makes effective use of renewable energy. Through the efficient employment of green power generation using pressure-driven piezoelectric technology, and by harnessing the force of wind gusts around high-rise scaffolding, electricity is generated thereby eliminating the need for any additional power supply. In this way, it promotes environmental protection and the use of green energy.

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