Improving productivity is an activity that needs to be conducted continuously in order to strengthen an organizations competitive edge. High productivity resulted in optimal fulfillment of market demand. PT. Sinar Surya, a company that is involved in producing cassava s chip, discovered that its production is under capacity. This problem resulted from the working facilities in the grating, drying, packaging department; drying methods in the
drying department; and high absenteeism. This paper purpose is to describe how an ergonomics approach can be utilized to improve the productivity of PT. Sinar Surya, Sidoarjo.
The study showed that the productivity increased by re-designing the handle and angle of the grater-a tool for peeling the cassava's skin; using a diesel-oven to dry the cassava s batter instead of the sun shine; providing canvass and a supporting wood-chair to reduce the number
of crushed chips in the drying department; and providing a scraper to unload the chips packages in the packaging department. These improvement efforts increased the productivity into of PT Sinar Surya 140.83% more than the best-period that they have achieved
