The HM Heavy Manufacturing District is intended primarily for the conduct of activities and environment suitable heavy industrial activities that so not create appreciable nuisances or hazards.  The uses permitted in this district make it the most desirable that they be separated from residential uses. 

   1.   Principal Uses Permitted.  Property and buildings in an HM Manufacturing District shall be used only for the following purposes:

      A.   Any use permitted in the ML Light Industrial District.

      B.   The following uses:

         Acids and derivatives

         Acetylene

         Ammonia

         Carbide

         Caustic soda

         Cellulose and cellulose storage

         Chlorine

         Coke oven products (including fuel gas) and coke oven products storage

         Creosote

         Distillation, manufacture, or refining of coal, tar, asphalt, wood and bones

         Explosives (including ammunition and fireworks) and explosive storage

         Fertilizer (organic)

         Fish oils and meal

         Glue, gelatin (animal)

         Hydrogen and oxygen

         Lamp black, carbon black, and bone black

         Nitrating of cotton or other materials

         Petroleum, gasoline, and lubricating oil refining and wholesale storage

         Plastic materials and synthetic resins

         Potash

         Pyroxyline

         Rendering and storage of dead animals, offal, garbage, or waste products

         Wells, gas and oil

         Clay, stone and glass products

         Brick, firebrick, refractories and clay products (coal fired)

         Cement, lime, gypsum. or plaster of Paris

         Minerals and earths: quarrying, extracting grinding, crushing and processing

         Fat rendering

         Fish curing, packing and storage

         Slaughtering of animals

         Starch manufacture

         Aluminum powder and paint manufacture

         Blast furnace, cupolas

         Blooming mill

         Metal and metal ores, reduction, refining, smelting, and alloying

         Scrap metal reduction or smelting

         Steel works and rolling mill (ferrous)

         Match manufacturing

         Wood pulp and fiber, reaction and processing

         Hair, hides, and raw fur, curing, tanning, dressing, dyeing and storage

         Stockyards

   2.   Special Exceptions.  The following special exceptions may be applied for pursuant to Section 165.21(4).  The Board of Adjustment may approve, deny or table an application in accordance with provisions contained therein:

      A.   Contractor’s shop and storage yard enclosed by presentable fence eight feet high.

      B.   Animal pound or kennel.

      C.   Carnivals, circuses, fairs, road shows.

      D.   Radio and television broadcasting tower or station.

      E.   Accessory uses and buildings which are customarily incidental to the above stated permitted uses and including temporary buildings used in conjunction with construction work, provided such buildings are removed promptly upon completion of the construction work.

   3.   Bulk Requirements.  Height regulations, lot area, frontage, and yard requirements are specified in Section 165.09(21).

   4.   Sign Regulations.  Sign regulations shall be as specified in Section 165.18.