Abstract
PT PJC is a company synthetic resin. Synthetic resin is that produced by PT PJC is sold to the market in three types of packing, one of then is the drum packing type that weigh 208 kg. One of the activities that use the manual handling product (manual material handling) is the activity of filling, the drum-packed product will be transfered with drum packaging to the finishing goods area which done by the man force. Manual material handling concept has several advantages, one of which is easy to do by humans. However, manual handling material handling becomes an issue if the material load exceeds the maximum lifting of the worker because of the potential risk of injury to the human body, especially if it is carried out simultaneously for a relatively long period of time. One of the risks of human injury that can be experienced is Musculoskeletal Disorders (MSDs). This research will investigate the musculoskeletal complaints on Filling workers which will form the basic of the ergonomically-based Standard Operating Procedure (SOP) design basic. Data is taken by a Nordic Body Map (NBM) questionnaire. The result shows that most of the dominant body pain felt by the worker as the impact of previous day’s work was the complaints of pain on the left and right wrists, left and right palms, left and right knees, left and right calves, left and right ankles, while the pains felt by the workers after the activity are pain in the back, waist, left and right elbow, left and right thighs, left and right calvs, left and right ankles. The pain work will disappear after the night rest, but there is no guarantee that the worker’s body will be fit in the morning, because of the remnants of body pain that have not been fully fit, thus affecting the readiness of physical conditions at work in the morning. These body pain can be reduced by designing the right standard operating procedure (SOP) based on an ergonomic work attitude. Musculoskeletal pain before the activity were 39.3 ± 10.6 and after activity was 76.5 ± 14.9 or an increase in musculoskeletal pain of 94.66%.
Highlights
PT PJC is a company that engage in the production of synthetic resin
As to be seen from the some perspective of ergonomic glass panels, various aspects of human beings can be seen from the factors of energy use or the necessary nutrients, the strength of muscle power, the condition of body posture at work, working environment condition, time consumed for work and rest, socio-cultural circumstances that exist in the community and internal enterprise, the condition of information available within the company and others and, human-machine interaction
The work pattern has been using the correct rules, which is the existence of standard operating procedures that issued by the management company to operate the machine and other manual material handling, but as time passed the process and attitude of human work, there still found various problems that occur in the production such as workers bent below 900, the round of bodies that cause pain in certain body part and generally occurs to L5 / S1
Summary
PT PJC is a company that engage in the production of synthetic resin. Synthetic resin is produced by PT PJC is sold to the market in three types of packing, namely packing of cans, bottles, and drums. The work pattern has been using the correct rules, which is the existence of standard operating procedures that issued by the management company to operate the machine and other manual material handling, but as time passed the process and attitude of human work, there still found various problems that occur in the production such as workers bent below 900, the round of bodies that cause pain in certain body part and generally occurs to L5 / S1. In order to reduce the risk of musculoskeletal disorders in the operation, it is important to have a standard operational procedure (SOP) based on good working attitude and correctness in the manual activity of drum manual handling material. This intervention is an alternative to decrease musculoskeletal pain through the ergonomic approach improvement. The Nordic Body Map is the most commonly used questionnaire for discomfort to workers, and it is most commonly used because it is standardized and well-organized (Kroemer, 2001)
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