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2. Where the passageway is unobstructed and not less than 6 feet (1829 mm) high and 22 <br />inches (559 mm) wide for its entire length, the passageway shall not be more than 50 feet <br />(15 250 mm) long. <br />o <br />4.3 Coul;deRsala-d'ispeaolk...Ca�. <br />the drai4i-pap�-outet to an apprOV841 <br />diFept ou . Ili......w law w a f**num hei:lzostal alto e is the duw eGfiou"u of <br />disd:i.aal l less har)....l18 i.hi �k veitisai-if . . ila hO dow halls "wo'o'l' <br />w <br />Section M1411.3.1, Auxiliary and secondary drain systems, shall be amended to change Items 3 <br />and 4 to read as follows: <br />M1411.3.1 Auxiliary and secondary drain systems. (bulk of paragraph unchanged) <br />1. (text unchanged) <br />2. {text unchanged} <br />3. An auxiliary drain pan without a separate drain line shall be installed under the coils on which <br />condensation will occur. This pan shall be equipped with a water level detection device <br />conforming to U L 508 that will shut off the equipment served prior to overflow of the pan. The pan <br />shall be equipped with a fitting to allow for drainage. The auxiliary drain pan shall be constructed <br />in accordance with Item 1 of this section. A water level detection device may be installed only with <br />ll;rior approv@tof the buildin� official. <br />4. A water level detection device conforming to UL 508 shall be installed that will shut off the <br />equipment served in the event that the primary drain is blocked. The device shall be installed in <br />the primary drain line, the overflow drain line or the equipment -supplied drain pan located at a <br />point higher than the primary drain line connection and below the overflow rim of such pan. A <br />water level detection device may be installed only with prior aaroval of the building official. <br />SeWkm-AM44,34. 14 ... .atc nmlefu4 "evious; shall-&­,-mned'od4b..iooC..as ov:a <br />M4444444�, m o� " v,wC .�u� do�d��w"�Cio -. ., .nol i"� ao� �� <br />., � i .al;.. w a'�'�. �rc <br />ao .. oily : "r rnll. q...a nn evo' 11l ilo'u:411:ld..dpmce <br />olWalHp I <br />�.���d l C �� � e �i� aN not be insta lled-inA wo du <br />M iii * i m �rr ii � i ilii � wm ,,�.............. <br />�" �. ..a�w�wo A wu ,., <br />kw . l etiai <br />..'loo waW leo ww:w.oNI-aw <br />M1503.4, Makeup air required, shall be amended to read as follows: <br />M1503.4 Makeup air required. Exhaust hood systems capable of exhausting in excess of 400 cubic feet <br />per minute (0.19 m3/s) shall be provided with makeup air at a rate approximately equal to the difference <br />between the exhaust air rate and 400 cubic feet per minute., Such makeup air systems shall be equipped <br />with a means of closure and shall be automatically controlled to start and operate simultaneously with the <br />exhaust system. <br />Exception: Where all appliances in the house are of sealed combustion, ower-ventmmITu,nvented, <br />or electric the exhaust hood system shall be permitted to exhaust u to 600 cubic feet per minute <br />X0.28 m3/sl without p. ovidin makeup air. Exhaust hood systems capable of exhausting in excess <br />of 600 cubic feetaer minute 0.28 m3/s shall be provided with a makeup air at a rate <br />au roximately a ual to the difference between the exhaustairrate and _600mITcubic feet perITminute. <br />Section M2005.2, Prohibited locations, shall be amended to read as follows: <br />M2005.2 Prohibited locations. Fuel -fired water heaters shall not be installed in a room used as a <br />storage closet. Water heaters located in a bedroom or bathroom shall be installed in a sealed enclosure <br />so that combustion air will not be taken from the living space. Access to such enclosure ma be from the <br />5 2015 IRC Amendments <br />