(A) Examples.
(1) The occupancies listed in each division below are only examples of types of occupancies for the particular classification, and these lists of examples may not be interpreted as being exclusive.
(2) Similar occupancies shall be assigned the same OHCN.
(B) Multiple occupancies. When there is more than one occupancy in a structure, the OHCN for the most hazardous occupancy shall be used for the entire structure.
(C) OHCN 3. Occupancies in this classification are considered severe hazard occupancies, where quantity and combustibility of contents are very high. Fires in these occupancies can be expected to develop very rapidly and have high rates of heat release. OHCN 3 examples include:
(1) Cereal or flour mills;
(2) Combustible hydraulics;
(3) Die casting;
(4) Explosives and pyrotechnics manufacturing and storage;
(5) Feed and gristmills;
(6) Flammable liquid spraying;
(7) Flow coating/dipping;
(8) Linseed oil mills;
(9) Manufactured homes/modular building assembly;
(10) Metal extruding;
(11) Plastic processing;
(12) Plywood particle board manufacturing;
(13) Printing using flammable inks;
(14) Rubber reclaiming;
(15) Sawmills;
(16) Solvent extracting;
(17) Textile picking; and
(18) Upholstering with plastic foams.
(D) OHCN 4. Occupancies in this classification are considered high hazard occupancies, where quantity and combustibility of contents are high. Fires in these occupancies can be expected to develop rapidly and have high rates of heat release. OHCN 4 examples include:
(1) Barns and stables (commercial);
(2) Building materials supply storage;
(3) Department stores;
(4) Exhibition halls, auditoriums, and theaters;
(5) Feed stores (without processing);
(6) Freight terminals;
(7) Mercantiles;
(8) Paper and pulp mills;
(9) Paper processing plants;
(10) Repair garages;
(11) Rubber products manufacturing and storage; and
(12) Warehouses such as those used for furniture, general storage, paint, paper, and woodworking industries.
(E) OHCN 5. Occupancies in this classification are considered moderate hazard occupancies, where quantity and combustibility of contents are moderate and stockpiles of combustibles do not exceed 12 feet in height. Fires in these occupancies can be expected to develop quickly and have moderately high rates of heat release. OHCN 5 examples include:
(1) Amusement occupancies;
(2) Clothing manufacturing plants;
(3) Cold storage warehouses;
(4) Confectionary products warehouses;
(5) Laundries;
(6) Leather goods manufacturing plants;
(7) Libraries (with large stockroom areas);
(8) Lithography shops;
(9) Machine shops;
(10) Metalworking shops;
(11) Nurseries (plant);
(12) Pharmaceutical manufacturing plants;
(13) Printing and publishing plants;
(14) Restaurants;
(15) Rope and twine manufacturing plants;
(16) Sugar refineries;
(17) Tanneries; and
(18) Textile manufacturing plants.
(F) OHCN 6. Occupancies in this classification are considered low hazard occupancies, where quantity and combustibility of contents are moderate and stockpiles of combustibles do not exceed eight feet in height. Fires in these occupancies can be expected to develop at a moderate rate and have moderate rates of heat release. OHCN 6 examples include:
(1) Armories;
(2) Automobile parking garages;
(3) Bakeries;
(4) Barber or beauty shops;
(5) Beverage manufacturing plants/breweries;
(6) Boiler houses;
(7) Brick, tile, and clay product manufacturing plants;
(8) Canneries;
(9) Cement plants;
(10) Churches and similar religious structures;
(11) Dairy products manufacturing and processing plants;
(12) Doctors’ offices;
(13) Electronic plants;
(14) Foundries;
(15) Fur processing plants;
(16) Gasoline service stations;
(17) Glass and glass products manufacturing plants;
(18) Mortuaries;
(19) Municipal buildings;
(20) Post offices;
(21) Slaughterhouses;
(22) Telephone exchanges;
(23) Watch and jewelry manufacturing plants; and
(24) Wineries.
(G) OHCN 7. Occupancies in this classification are considered light hazard occupancies, where quantity and combustibility of contents are low. Fires in these occupancies can be expected to develop at a relatively low rate and have relatively low rates of heat release. OHCN 7 examples include:
(1) Apartments;
(2) Colleges and universities;
(3) Clubs;
(4) Dormitories;
(5) Fire stations;
(6) Fraternity or sorority houses;
(7) Hospitals;
(8) Hotels and motels;
(9) Libraries (except large stockroom areas);
(10) Museums;
(11) Nursing and convalescent homes;
(12) Offices (including data processing);
(13) Police stations;
(14) Prisons;
(15) Schools; and
(16) Theaters without stages.
(2004 Code, § 112-10) (Res. 202-90, passed 7-24-1990; Ord. 02-19, passed 11-21-2002; Ord. 04-12, passed 4-8-2004)