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</o:shapelayout></xml><![endif]--></head><body lang=EN-IN link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hi,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>As per Table G3.1<span lang=EN-US>$B!>(B</span>5(c), the roof surface should be modelled with a reflectance of 0.45 if the reflectance of the Proposed roof is greater than 0.7 and its emittance is greater than 0.75. Otherwise, the Proposed reflectance should be 0.3. The Baseline roof should be modeled with a reflectivity of 0.3.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>In EQUEST, we can put Ext. Absorptance and not reflectance.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>What is the relation between reflectance and absorptance and for base line reflectivity of 0.3, what absorptance value should I put?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Rakesh<o:p></o:p></p></div></body></html>