内容简介
DBJ15-51-2020 备案号J 10999-2020广东省公共建筑节能设计标准
Design Standard for Energy Efficiency of Public Buildings in Guangdong province
（预览版）
2021-02-01 实施
2020-09-28 发布
目录
1 总 则………………………………………………………………………………………………………………….…………………..1
2 术 语................................................................................................................................................2
3 基 本 规 定........................................................................................................................................6
4 建筑与建筑热工..................................................................................................................................7
4.1 一般规定 .....................................................................................................................................7
4.2 建筑设计 ..................................................................................................................................7
4.3 围护结构热工设计 ................................................................................................................10
4.4 围护结构热工性能的权衡判定 ............................................................................................14
4.5 建筑和建筑热工节能设计一般步骤 .......................................................................................15
5 通风与空气调节................................................................................................................................17
5.1 一般规定 ................................................................................................................................17
5.2 冷源与热源 ............................................................................................................................17
5.3 输配系统 ................................................................................................................................21
5.4 通风与空气调节系统 ............................................................................................................22
6 给 水 排 水......................................................................................................................................27
6.1 一般规定 ................................................................................................................................27
6.2 给水与排水系统设计 ............................................................................................................27
6.3 生活热水 ...................................................................................................................................27
6.4 计量与控制 ...............................................................................................................................28
7 电 气............................................................................................................................................30
7.1 一般规定 ................................................................................................................................30
7.2 供配电系统 ............................................................................................................................30
7.3 照明系统 ................................................................................................................................30
7.4 谐波防治 ................................................................................................................................32
7.5 建筑设备监控系统 ................................................................................................................32
7.6 用电分项计量与能耗监测 ......................................................................................................33
8 可再生能源应用................................................................................................................................36
8.1 一般规定 ................................................................................................................................36
8.2 太阳能光伏系统 ....................................................................................................................36
8.3 太阳能热水系统 ....................................................................................................................37
9 超低能耗建筑....................................................................................................................................38
9.1 一般规定 ................................................................................................................................38
9.2 建筑设计优化 ........................................................................................................................38
9.3 系统能效优化 ........................................................................................................................39
10 建筑节能设计审查..........................................................................................................................41
10.1 一般规定 ..............................................................................................................................41
10.2 按照规定性指标进行建筑围护结构审查 ..........................................................................41
10.3 按照权衡判断法进行设计审查 ............................................................................................42
10.4 暖通空调审查 ........................................................................................................................42
10.5 给水排水审查 ......................................................................................................................43
10.6 建筑电气审查 .........................................................................................................................43
10.7 建筑节能设计审查资料 ........................................................................................................44
附录 A 外墙平均传热系数的计算 .........................................................................................................59
附录 B 围护结构热工性能的权衡判断 .................................................................................................60
附录 C 围护结构统计方法规定 ..........................................................................................................66
附录 D 典型外墙构造的热工性能指标.................................................................................................67
附录 E 典型屋面构造的热工性能指标..................................................................................................89
附录 F 建筑围护结构外表面吸收系数.............................................................................................100
附录 G 建筑热工设计常用参数...........................................................................................................101
附录 H 常用建筑材料性能计算........................................................................................................107
附录 I 空调系统的冷源系统能效系数计算......................................................................................110
附录 J 建筑物内空气调节水管的经济绝热厚 ...................................................................................113
本标准用词说明....................................................................................................................................115
引用标准名录........................................................................................................................................116