Industries can be categorized in terms of hazard risk they handle, i.e. by the products either in terms of input materials or output materials they handle. The machineries involved in the manufacturing process are also critical as regard the potential hazard they inherit. In terms of hazard classification Tariff Advisory Committee has an exhaustive list.

For categorisation of occupancies not listed hereunder reference shall be made to be Regional Committee.

Light Hazard Occupancies :

1. Abrasive Manufacturing Premises
2. Aerated Water Factories
3. Agarbatti Manufacturing
4. Aluminium/Zinc and Copper Factories
5. Analytical and/or Quality Control Laboratories
6. Asbestos Steam Packing & Lagging Manufactures
7. Battery Charging/Service Station
8. Battery Manufacturing
9. Breweries
10. Brick Works
11. Canning Factories
12. Cardamom Factories
13. Cement Factories and/or Asbestos
14. products manufacturing
15. Ceramic factories and Crockery and stoneware pipe manufacturing
16. Cinema Theatres (incuding Preview Theatres)
17. Clay works
18. Clock and Watch manufacturing
19. Clubs
20. Condensed Milk Factories, Milk Pasteurizing
21. Plant and Dairies
22. Confectionery manufacturing
23. Dwellings
24. Educational and Research Institution
25. Electric Generating Houses (Hydel)
26. Electric Lamps (Incandescent & Fluorescent) and TV picture tube manufacturing
27. Electric sub-station/Distribution station
28. Electro plating works
29. Engineering workshops
30. Fruits and Vegetables Dehydrating/Drying factories
31. Fruit products and condiment factories
32. Glass & Glass fibre manufacturing
33. Godowns and Warehouses Storing non-combustible goods.
34. Gold Thread Factories/Gilding factories
35. Gun and/or Glue and gelatin manufacturing
36. Hospitals including X-ray and other Diagnostic clinics
37. Ice Candy and Ice-cream manufacturing Ice factories
38. Ink( excluding printing Ink) factories
39. Laundries
40. Libraries
41. Mica Products manufacturing
42. Museums
43. Office premises
44. Pottery works
45. Poultry Farms
46. Residential Hotels, Cafes & Restaurants
47. Salt crushing factories and refineries
48. Stables
49. Sugar Candy manufacturing
50. Sugar factories and refineries
51. Tanneries
52. Tea Blending and tea packing factories
53. Umbrella assembling factories
54. Vermicelli factories
55. Water treatment/Water filtration plants and water pump houses

Ordinary Hazard Occupancies

1. Areca nut slicing and/or Betel nut Factories
2. Atta and Cereal Grinding
3. Bakeries
4. Biscuits factories
5. Beddi factories
6. Bobbin Factories
7. Book-binders, Envelops & Paper bag manufacturers
8. Candle works
9. Cinema film production studies
10. Card board box manufacturing
11. Carbon and paper/Typewriter Ribbon manufacturing
12. Carpet and Drugget factories
13. Carpenters, woodwool & furniture manufacturing
14. Camphor boiling
15. Cashewnut factories
16. Chemical manufacturing
17. Cigar and Cigarette factories
18. Coffee curing, Roasting & grinding premises
19. Coir factories
20. Cork products manufacturing
21. Coir, carpets, rugs and Tobacco
22. Hides and skin process
23. Dry cleaning, dyeing, laundries
24. Cable manufacturing
25. Electric generating stations (other than Hydel)
26. Enamelware factories
27. Filter & wax-paper manufacturing
28. Flour mills
29. Garment makers
30. Ghee factories (other than vegetable)
31. Godowns & Warehouses (others)
32. Grain and/or seeds disintegrating and/or crushing factories
33. Grease manufacturing
34. Hat and topee factories
35. Hosiery, lace, embroidery & Thread factories
36. Incandescent gas mantle manufacturers
37. Jute mills and jute process
38. Man-made yarn/fibre manufacturing
39. Manure and fertilizer works
40. (Blending, mixing and granulating only)
41. Oil & leather cloth factories
42. Mineral oil blending and processing
43. Oxygen plants
44. Paper & cardboard mills (except raw material storage yard)
45. Plastic goods manufacturing
46. Plywood manufacturing/wood veneering factories
47. Printing press premises
48. Pulverizing and crushing mills
49. Rice mills
50. Rope works
51. Rubber goods manufacturing
52. Shellac factories
53. Silk filatures and cocoon stores
54. Spray painting
55. Soaps and Glycerin factories
56. Starch factories
57. Tea factories
58. Textile mills
59. Tobacco chewing and pan-masala making
60. Tobacco grinding and crushing
61. Tobacco redrying factories
62. Woolen mills

High Hazard Occupancies

1. Aircraft hangers
2. Aluminium/Magnesium powder plans
3. Bituminised paper and/or Hessian Cloth
4. Manufacturing including Tar felt manufacturing.
5. Cotton waste factories.
6. Coal and/or Coke and/or Charcoal Ball Briquettes manufacturing.
7. Celluloid goods manufacturing.
8. Cigarette Filter manufacturing.
9. Cotton seed cleaning or delinting factories.
10. Distilleries.
11. Duplicating and stencil paper manufacturing.
12. Fire Works manufacturing.
13. Foamed plastic manufacturing and/or converting plants.
14. Grass, hay, fodder and bhoosa (chaff).
15. Pressing factories.
16. Industrial gas manufacturing.
17. Match factories.
18. Mattress and pillow making.
19. Oil mills.
20. Oil extraction plants.
21. Oil terminals/depots.
22. Paints and varnish factories.
23. Paper and cardboard mills (raw material storage yard).
24. Painting ink manufacturing.
25. Saw mills.
26. Metal or tin printers (where more than 50% of floor area is occupied as
27. engineering workshop this may be taken as ordinary hazard risk).
28. Sugar cotton manufacturers.
29. Tarpaulin and canvas proofing factories.
30. Turpentine and rosin distilleries.
31. Tyre rethreading and resoling factories.
32. Ammonia and urea synthesis plants.
33. Explosive factories.
34. LPG Bottling Plants.
35. Petrochemical Plants.
36. Petroleum Refineries.

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