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Washington Fuel Gas Code 2018 <br /> 03.6.5 Gas vent Terminations <br /> A gas vent shall terminate in accordance with one of the following: <br /> 1.Gas vents that are 12 inches(305 mm)or less in size and located not less than 8 feet(2438 mm)from a vertical wall or similar obstruction shall terminate <br /> above the roof in accordance with Figure 503.6.5. <br /> 2.Gas vents that are over 12 inches(305 mm)in size or are located less than 8 feet(2438 mm)from a vertical wall or similar obstruction shall terminate not <br /> less than 2 feet(610 mm)above the highest point where they pass through the roof and not less than 2 feet(610 mm)above any portion of a building <br /> within 10 feet(3048 mm)horizontally. <br /> 3.As provided for industrial appliances in Section 503.2.2. <br /> 4.As provided for direct-vent systems in Section 503.2.3. <br /> 5.As provided for appliances with integral vents in Section 503.2.4. <br /> 6.As provided for mechanical draft systems in Section 503.3.3. <br /> 7.As provided for ventilating hoods and exhaust systems in Section 503.3.4. <br /> .MVEST JIG--Wc:k!t <br /> Oz'ENi%G <br /> L!S'EC CAD <br /> X <br /> �is�Eo:v+s I I <br /> VE%T I I <br /> R_GF SLG?E <br /> I I <br /> I <br /> I <br /> I <br /> I I Uii.re.na W GNl FP0►L PCCF <br /> I TC CL"ARGE OPE%IW <br /> I I <br /> ROOF SLOPE Z125 <br /> Flat to 6/12 <br /> Over 6/12 to 7/12 <br /> Over 7112 to 8/12 1.5 <br /> Over 8/12 to 9/12 2.0 <br /> Over 9/12 to 10112 2.5 <br /> Over 10/12 to 11/12 3.25 <br /> Over 11112 to 12/12 4.0 <br /> Over 12/12 to 14/12 5.0 <br /> Over 14/12 to 16/12 6.0 <br /> Over 16/12 to 18/12 7.0 <br /> Over 18/12 to 20/12 7.5 <br /> Over 20/12 to 21/12 8.0 <br /> For SI:1 inch=25.4 mm,1 foot=304.8 mm. <br /> FIGURE 503.6.5 <br />