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• ' � .� F ! <br /> . Ron McElroy asked to be shown exactly where the penetrations will occur. <br /> Jim Nalvorson asked if the pipe is to be insulated, and idr. Hollister replied <br /> that it is not. <br /> Mr. Score asked Walt Cooper that if a loss of life occurred sorretime in the future I <br /> and this plan were approved by the City, �aould the City have any liability. <br /> Mr. Cooper said that this is why he wants to see the two-hour ratin9 upheld. <br /> '.dhat is the assurance that patching-in around pipes would withstand two hours of <br /> fire as called for in the code? Who will determine that each and every patch is <br /> acceptable? <br /> Mr. Nash asked what the monetary difference to Ashwell-Twist will be with this <br /> change in installation procedure. Mr. Nollister said several thousand dollars; <br /> expense and scheduling would be a problem. He said their intent was not to do <br /> something that would not meet the code. <br /> Mr. Nash stated that the �aorkmanship of the gypsum people riould determine the <br /> quality of the patch job obtained, and many times this �aorkmanship is poor. <br /> Mr. Callahan expressed concern about the method of slotting �he piping into the <br /> sheet rock and still maintain a fire-resistive rating. Mr. LeMaster felt that � <br /> �hi�king with mineral wool should be sufficient; Mr. Callahan did not think this <br /> method would meet two-hour requirements. <br /> Pir. Meyer, the Superintendent of the project, said that the top and bottom portions <br /> of the shafts will be completely insulated, some insulation to consist of fiberglas. <br /> Mr. Callahan stated that fiberglas is combustible. <br /> .4t this time the meeting was recessed and the Doard allowed to discuss the pre- <br /> sentations made and reach a decision. <br /> .4t 9:50 a.m. the meeting was reconvened. <br /> John Bryant moved that, on the basis that the intent of the Uniform Building Code <br /> is to treat shaft walls as all other protected ioalls, Section 4304(e)1 covers <br /> the situation under consideration. <br /> Mr. Callahan inquired if this meant that the Duilding Department must approve the <br /> material used as fire-stopping and Dir. Nash repliel that it does. <br /> The meeting was adjourned at 10:00 a.m. <br /> -3- <br /> 1_ - I <br /> - . � - <br />