“…If a rain sensor is detected by water, the relay web component system will activate and give a command to NodeMCU esp8266, after the program runs the relay will be active and the motor can run forward or backward if the relay turns on and the Relay is turned off then the motor cannot work forward or backward. (Salihi, Hulukati, and Humena 2019) According to the Regulation of the Minister of Health of the Republic of Indonesia (PERMENKES) No., 340 / MENKES / PER / 111/2010 regarding the definition of the Hospital explained that the Hospital is a health care institution that organizes individual health services in a complete manner that provides inpatient, outpatient and emergency services. From this understanding, it can be concluded the basic function of the hospital is to provide health care facilities to the community.With this basic function, the hospital must still seek Occupational Health and Safety (OHS) for all hospital workers (Kemenkes, 2010; Ristiono and Nizwardi, 2010).Occupational Health and Safety (OHS) is an inseparable part of the labor protection system and for construction service work can minimize and avoid the risk of moral or material loss, loss of working hours, as well as human safety and the surrounding environment which can later support improved performance effective and efficient in the development process (Sholihah, 2012).…”