. Official proceedings . atmos-phere and the in: idious action of the gas, there is no allowable timefor running an engine in a closed private garag \ VICE PRESIDENT: This has been a most interesting subject is timely and it has been treated in a very instructivew ay. The paper is now open for general discussion. AIR. C. O. DAMBACH: I would like to ask a little further inregard to the system in the Liberty Tunnel. AIR. YYM. P. YANT : I am not much of an engineer, but will dothe best I can. The Liberty tubes are two twin parallel tubes, oneand one-tenth miles long. The designed ventila
. Official proceedings . atmos-phere and the in: idious action of the gas, there is no allowable timefor running an engine in a closed private garag \ VICE PRESIDENT: This has been a most interesting subject is timely and it has been treated in a very instructivew ay. The paper is now open for general discussion. AIR. C. O. DAMBACH: I would like to ask a little further inregard to the system in the Liberty Tunnel. AIR. YYM. P. YANT : I am not much of an engineer, but will dothe best I can. The Liberty tubes are two twin parallel tubes, oneand one-tenth miles long. The designed ventilation system is tohave a fan house on the hill above the tubes (see sketch) and drawthe air in the entrance longitudinally through one-half of the tunneland then up and out the stacks. Air for the remaining half will beforced down a shaft and into the tunnel through a skirt-like openingand out the exit. MR. C. ( ). DAMBACH: If you have to use one tube fortraffic one way. how would you take care of that? 184 i>7fli AQIB. t*yr& 33*52 36-00 We it shaft\33-3A32-afl Last ihafl\ X)30 26-7fl 2252
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