Abstract
Lampit is one of the traditional means of cultivating rice fields, which functions to level the land for planting rice. The operation of lampit can increase the work pulse up to 50% above the resting pulse and is included in the category of moderate to heavy workloads. At the end of the operation of lampit, it may cause complaints, especially on the buttocks and back, which is caused by the small and hardness of the lampit rod. There was an improvement to the lampit seating design by adding foam pads and adjusting the pressure lever found on the lampit stem to overcome this problem. This research is an experimental study using the same subject design, selected 30 research subjects from farmers in Dusun Semaja Antosari Tabanan Bali. The workload is evaluated based on the work pulse measured using the ten pulses method. In addition, the pulse was measured before and after the improvement of the lampit design. The data compared were the mean values before and after improvement, which were analyzed using paired t test (α = 0.05). The result is a significant decrease in the work rate of 19.35% (p <0.05). Thus, it can be concluded that the improved design of the lampit can reduce the workload. Therefore, farmers should continue using and perfecting the improved lampit.
Highlights
The condition of the rice fields which are hilly and the area of rice fields is not that much, causing the rare use of modern rice processing tools
Lampit is a plow tool for leveling the land, which is pulled by two cows, where the process of leveling the land is the final process before planting rice
The results show that rice processing work is included in the category of moderate to heavy workload and requires a 50% work arrangement and 50% even up to 25% to 75% rest from eight hours of work carried out in one day
Summary
The condition of the rice fields which are hilly and the area of rice fields is not that much, causing the rare use of modern rice processing tools. Working plowing the fields in hilly rice fields and the area of the rice fields is not that big, causing the rare use of modern rice processing tools. Complaints that arise in the area vary from pain to blisters and blisters (calluses) This complaint could be caused by the too small and hard rod of the lampit which was used as a seat during the operation of the appliance. According to MS & Ej, (1992), seating should be designed with attention to the distribution of body weight, especially in the buttocks area and around the ischial tuberosities. Under these circumstances, the workload of farmers or operators when operating the lamps is increased from the actual workload
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