ABSTRACT The process of coal production in PT. Bina Bara Sejahtera is troubled with the spare parts management system. Spare parts management in PT. Bina Bara Sejahtera is still using desktop application that still using one computer. When the computer is trouble then the integrity of data is loss and impact with the production process. To solve the problem, it need the information system that can used for many computers and using client server architecture so the integrity of data is maintained if one or more computer or client is trouble. The result of thesis is web application named systemBBS that design using PHP and MySQL. The Architecture of application based on three-tier that contains presentation tier, application tier, and data tier. Presentation tier consists of HTML, JavaScript, and CSS. Application tier use XAMPP. Whereas for Data tier use MySQL for Database.