FSH/18/2 12 September 2008 Technical Sub-Committee ... - Bafsa

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EN 12845:2004/prA1:2008 (E)"Superior single water supplies".9 Modification to 10.6.2.1, GeneralDelete "(see 10.4)" from the last line of the second paragraph.10 Modification 12.4.6, Beams and joistsReplace the title with the following:"Beams and similar obstructions".Delete the word "joist" from the Key to Figure 9 (two times).Replace the 1 st sentence of 12.4.6 with the following:"When the deflector (at D in Figure 9) is positioned above the level of the underside of beams or similarobstructions, one of the following solutions shall be adopted in order to ensure that effective discharge of thesprinklers is not impaired:".6
EN 12845:2004/prA1:2008 (E)Replace Figure 10 and its key with the following: "Y0,70,60,510,40,30,20,10,0-0,12453-0,20,20,4 0,6 0,8 1 1,2 1,4 1,6 1,8XKey1 spray pendant2 conventional upright3 spray upright4 flat spray5 conventional pendantX minimum horizontal distance (a) from beam to sprinkler, in mY height of deflector (b) above (+) or below (-) beam, in m".11 Modification to Clause 13, Pipe sizing and layoutDelete the word "equilibrium" from the 1 st sentence of 13.2.3.Replace "the total" with "with the total" in the last line of 13.2.3 to read:"for the stabilized flow condition at the demand point with the total number of sprinklers assumed to be insimultaneous operation.".7
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FSH/18/2 12 September 2008 Technical Sub-Committee ... - Bafsa

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