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DB13(J)/T 8329-2019 市政老旧管网改造技术标准

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