LIGHTING : - RECOMMENDED ILLUMINANCE LEVELS (BOILER, BREWERIES, CHEMICAL, CHOCLATE, GLASS)

VI) BOILER HOUSE (INDUSTRIAL)
a) Coal and ash handling	100
b) Boiler rooms :
1) Boiler fronts and operating areas	100+
2) Other areas	20 to 50
c) Ourdoor plants :
1) Cat-walks	20
2) Platforms	50
VII) BREWERIES AND DISTILLERIES
a) General working areas	150
b) Brew house, bottling and canning plants	200
c) Bottle inspection	Special lighting
VIII) CHEMICAL WORKS
a) Hand furnaces, boiling tanks stationery driers,	150
stationery or gravity crystallizers, mechanical driers,
evaporators, filtration plants, mechanical crystallizing,
bleaching, extractors, percolators nitrators and electrolytic cells
b) Controls, guages, valves, etc	100
c) Control rooms :
1) Vertical control panels	200 to 300
2) Control desks	300
IX) CHOCOLATE AND CONFECTIONERY FACTORIES
a) Mixing , blending and boiling	150
b) Chocolate husking, winnowing, fat extraction, crushing and	200
refining, feeding, bean cleaning, sorting, milling and cream
making
c) Hand decorating, inspection wrapping and packing	300
XI) GLASS WORKS AND PROCESSES
a) Furnace rooms, bending, annealing lehrs	100
b) Mixing rooms, forming (blowing, drawing, pressing and rolling)	150
c) Cutting to size, grinding, polishing and roughening	200
d) Finishing (bevelling, decorating, etching and silvering)	300
e) Brilliant cutting	700
f) Inspection:
1) General	200
2) Fine	700