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WASHINGTON STATE AMENDMENTS <br /> Fireplaces shall be provided with each of the following: <br /> 1. Tightly fitting flue dampers,operated by a readily <br /> accessible manual or approved automatic control. <br /> Exception: Fireplaces with gas logs shall be <br /> installed in accordance with the International <br /> Mechanical Code Section 901,except that the <br /> standards for liquefied petroleum gas installations <br /> shall be NFPA 58(Liquefied Petroleum Gas <br /> Code)and NFPA 54(National Fuel Gas Code). <br /> 1. An outside source for combustion air ducted into <br /> the firebox.The duct shall be at least 6 square <br /> inches,and shall be provided with an operable <br /> outside air duct damper. <br /> 2. Site built fireplaces shall have tight fitting glass or <br /> metal doors,or a flue draft induction fan or as <br /> approved for minimizing back-drafting.Factory <br /> built fireplaces shall use doors listed for the <br /> installed appliance. <br /> Le- tv- -c-co-vy-\ < e—t-b-R--S b o <br /> • ©V\ k. 1p„)-o„( <br /> ro rt <br /> w rz)S WY \ -e r\o <br /> \ASA- \voS?a e k -. <br /> \AIJ AA kik,S,c),2,4-tuy <br /> CL4 <br /> 6)Co\Ora..\-Aci K)CDA- kk) azirt>r -k5) <br /> t 550 <br /> R1001.7.1 Damper.Masonry fireplaces shall be equipped <br /> with a ferrous metal damper located at least 8 inches(203 <br /> mm)above the top of the fireplace opening.Dampers shall <br /> be installed in the fireplace or the chimney venting the <br /> fireplace,and shall be operable from the room containing <br /> the fireplace. <br /> (Insert Facing Page 428) <br /> Effective July 1,2016 <br />