A technician must be able to read, review and organize drawings and plans for every project assigned and he or she must know CAD Software. Only if technicians know about evaluation of pre-construction field conditions, they can involve. they must have problem solving capability and they have to improve themselves based on detecting problems and proffering solutions for all complicated designs. Before we start up, construction materials must be under evaluation. It is better to test the samples before we estimate quality and use for projects.