※节能设计说明（施工图）
※.1 屋面和外墙
※.1.1屋面选用厚保温材料
屋面的传热系数为W/㎡K
※.1.2外墙采用外（内）保温，选用厚保温材料
外墙的平均传热系数为W/㎡K
※.1.3非透明幕墙选用厚保温材料
非透明幕的传热系数为W/㎡K
※.2 外窗
※.2.1外窗选用断热铝型材（PVC塑钢型材、普通铝合金型材），＋A＋中空玻璃（LOW-E）
外窗传热系数为W/㎡K，
※.2.2玻璃的遮阳系数应满足。
※.2.3外窗的气密性不应大于1.5m3/m.h
※.3 玻璃幕墙
※.3.1玻璃幕墙选用断热铝型材（普通铝合金型材），
＋A＋中空玻璃（LOW-E）
玻璃幕墙传热系数为W/㎡K，
※.3.2玻璃的遮阳系数应满足。
※.3.3玻璃幕墙的气密性不应大于1.0m3/m.h
※.4 透明屋顶
※4.1透明屋顶选用断热铝型材，＋A＋中空夹胶玻璃（LOW-E）透明屋顶传热系数为W/㎡K，
※.4.2玻璃的遮阳系数应满足。
※.5 地面热阻和地下室外墙
※.5.1地面设置厚的（材质）保温材料，地面热阻为㎡k/w ※.5.2地下室外墙设厚聚苯板保温层，地下室外墙热阻为㎡k/w ※其他
※6.1外窗的开启扇面积为，占外窗总面积的（30%）
※6.2透明幕墙设可开启扇,开启扇为幕墙总面积的%
※6.3中庭采用自然（机械）通风措施。
※6.4本工程的主要采光朝向窗墙面积比小于0.4，玻璃的可见光投射比应大于
0.4。
说明：
1、工程项目内容不同，采取的节能措施有所变化，编制说明中应按照具体措施有所删减。
2、“※”应采用施工说明中的章节号替代。
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