Accident and injury statistics at the secretary of the construction sector are the highest compared to other sectors every year. Accidents in the work environment are a loss for the company. In development, Indonesia is a developing country that has a high mortality rate according to the International Labor Organization (ILO). This is due to the large number of workers in the project who need good occupational safety and health (OSH) management. With a good occupational health and safety management system, at least it will prevent or reduce the risk of workplace accidents. Minister of Public Works Regulation Number: 05 / PRT / M / 2014 concerning Guidelines for Safety Management and Construction Systems in the Field of Public Works. Mentioning the implementation of Safety Management and Construction Systems work in the field of Public Works must apply in the Public Works Sector. For example, every implementation of field construction work. There are 2 objectives in this study. the first goal is to obtain details of occupational safety and health (OSH) activities  for construction projects which include roads, bridges, drainage and buildings. and the second objective is to compare the costs of implementing occupational safety and health (OSH) in construction projects (roads, bridges, and drainage). The benefits of applying occupational safety and health (OSH) can improve the effectiveness of safety and planned, measurable, structured and integrated health protection, can prevent and reduce accidents in the workplace and work-related diseases, can create a safe, comfortable and efficient workplace for encourage productivity. The method used in this study is: literature study, conducting research and analysis and discussion using descriptive analysis methods. The research subject in this study is the Cost Budget Data Plan for several projects, namely building, road, bridge and drainage projects. Details of the implementation of occupational safety and health (OSH) in the field of construction projects, namely occupational safety and health (OSH) preparation , socialization and promotion of occupational safety and health (OSH), work protective equipment, personal protective equipment, insurance and licensing, safety personnel and occupational health (OSH), health facilities, occupational safety and health (OSH). Fulfillment of occupational safety and health (OSH) for construction projects covering roads, bridges, buildings and drainage varies from a minimum of 0.8% to 1.7% of project value. the smallest occupational safety and health (OSH) costs for road construction projects are 0.8% for bridge construction projects 0.9% for drainage construction projects 1.2% and the largest for building construction projects is 1.7% of project costs. With great value from various projects.