Uniform Building Code, Volume 2International Conference of Building Officials, 1970 - Building laws |
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Page 260
... cent per foot of length of its light beam for lengths of 22 feet or less . 2. Not more than 36 per cent total obscuration of its light beam for lengths of from more than 22 feet to 44 feet . 3. Equal to one per cent per foot of its ...
... cent per foot of length of its light beam for lengths of 22 feet or less . 2. Not more than 36 per cent total obscuration of its light beam for lengths of from more than 22 feet to 44 feet . 3. Equal to one per cent per foot of its ...
Page 261
International Conference of Building Officials. The term " per cent per foot " means the per cent obscura- Performance tion at unit distance of 1 foot as determined by Formula ( 6-1 ) ( Continued ) from the total obscuration measured at ...
International Conference of Building Officials. The term " per cent per foot " means the per cent obscura- Performance tion at unit distance of 1 foot as determined by Formula ( 6-1 ) ( Continued ) from the total obscuration measured at ...
Page 262
... cent obscuration per foot is known , the per cent obscuration for the full length of any longer beam can be determined by the following formula : WHERE : Od Οι d = = Ou O1 = [ 1- ( 1-0 ) 100 d Per cent obscuration at distance d . Per ...
... cent obscuration per foot is known , the per cent obscuration for the full length of any longer beam can be determined by the following formula : WHERE : Od Οι d = = Ou O1 = [ 1- ( 1-0 ) 100 d Per cent obscuration at distance d . Per ...
Contents
Part Administrative | 9 |
CHAPTER | 15 |
Part IIDefinitions and Abbreviations | 21 |
Copyright | |
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550 gallons absorption unit Addenda air ducts approved Asbestos-cement automatic boiler Building Official capacity Chapter chimney circulating air supply clearance clothes dryers combustible material combustion air comfort cooling comfort heating comply compressor connected construction Continued cubic feet dampers designed diameter Dichlorodifluoromethane discharge duct system equipment evaporative cooler exceed fire fire-resistance rating flame fuel fuel-burning fusible plug gage galvanized gas vent Group 1 refrigerant horsepower incinerators inlet inspection installed iron pipe size joints less liquefied petroleum gas liquid listed located low pressure machinery room main burner metal Methyl Chloride minimum oil burners opening operating outlet permit plenum portion pounds per square pressure vessel protected psig pump refrigerant piping refrigerating system relief valve Required Required Required room or space sample Section shutoff valve side smoke detector specified square inch Standard steam steel supply tank Table temperature thickness tion Uniform Building Code vapor vent pipes ventilation venting system warm-air furnace