The intent of this chapter is to establish a precise and detailed plan for the use of land in the City based on the master plan for the City and enacted in order to promote and to protect the public health, safety, morals, comfort, convenience and the general welfare of the people. This chapter is intended to regulate the use of land within zoning districts, promote orderly development, regulate intensity of use and the location of buildings, establish standards of development, prohibit incompatible uses, regulate the alteration of existing buildings, limit congestion in the street, protect against hazards and conserve the taxable value of land.