This chapter shall apply to the construction, nature and extent of uses of all buildings and structures and to the nature and extent of the uses of land. No building, structure or land, or any part thereof, shall be used or occupied and no building or structure shall be erected, constructed, reconstructed, moved, repaired, extended, converted, altered, maintained or used unless in conformity with all the regulations of this chapter specified for the district in which it is located. All regulations set by this chapter within each of the districts shall be minimum regulations and shall apply uniformly to each class or kind of structure or land, and particularly, except as hereinafter provided.