The purpose of this chapter is to regulate the building of structures within the city and to provide minimum standards to safeguard life or limb, health, property, and public welfare by regulating and controlling the design, construction, quality of materials, location and maintenance of all buildings, streets, and sewer and water mains within the city. The purpose of this chapter also includes setting forth the licensing requirements for certain contractors and adopting certain uniform codes and regulations for guidance in the area of construction.