内容简介
DB13(J)/T 8329-2019备案号∶ J15013-2020
市政老旧管网改造技术标准
Technical standard for renewal and rehabilitation of existing municipal networks
2020-01-01 实施
2019-12-09 发布
目次
1 总则·········································································1
2 术语·········································································2
3 基本规定·································································· 6
4 查勘评估·································································· 7
4.1 一般规定···························································7
4.2 供水管道查勘与评估··············································7
4.3 二次供水泵站查勘与评估·········································9
4.4 排水管道查勘与评估············································ 12
4.5 排水泵站查勘与评估············································ 15
4.6 供热管道查勘···················································· 18
4.7 热力站查勘·······················································19
4.8 供热系统评估···················································· 21
4.9 燃气管道查勘与评估············································ 23
4.10 燃气调压设施查勘与评估······································24
5 改造方案································································· 26
5.1 一般规定························································· 26
5.2 供水管道························································· 27
5.3 二次供水泵站···················································· 28
5.4 排水管道························································· 30
5.5 排水泵站························································· 34
5.6 供热管道························································· 35
5.7 热力站····························································37
5.8 燃气管道························································· 39
5.9 燃气调压设施···················································· 40
5.10 检测与控制····················································· 41
6 施工与验收······························································44
6.1 一般规定························································· 44
6.2 基坑（槽）施工与质量验收···································· 45
6.3 管道施工与质量验收············································ 45
6.4 二次供水泵站、排水泵站、热力站、燃气调压
设施施工与质量验收·············································46
6.5 竣工验收························································· 47
附录 A 二次供水泵站质量评估······································· 48
附录 B 功能性缺陷维护指数计算···································· 53
附录 C 结构性缺陷修复指数计算···································· 55
附录 D 排水泵站质量评估············································· 58
附录 E 排水泵站安全状况评估········································64
附录 F 供热系统查勘评估指标标准值·······························67
附录 G 燃气管道评估··················································· 69
附录 H 钢质管道外腐蚀评价级别···································· 73
附录 I 钢质管道管体腐蚀评价级别··································75
附录 J 调压站、调压装置评估······································· 76
附录 K 排水管道改造技术路线图···································· 80
本标准用词说明···························································· 81
引用标准名录······························································· 82
条文说明······································································85