CECS 271-2013 in English
VALIDTechnical specification for CHT special single stack drainage system
- Issued on:2013-03-15
- Implemented on:2013-06-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$1,863.00
| Standard No: | CECS 271-2013 |
| Document status: | VALID |
| Title in English: | Technical specification for CHT special single stack drainage system |
| Title in Chinese: | 旋流加强（CHT）型特殊单立管排水系统技术规程 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2013-03-15 |
| Implemented on: | 2013-06-01 |
| Superseding: |
CECS 271-2010 Technical specification for CHT single stack drainage system
|
| Professional Classification: | CECS-Engineering Construction Standard |
| Related Keywords: | special single stack drainage system
technical specification drainage specification stack |
根据中国工程建设标准化协会建标协字〔2012〕57号文《关于印发中国工程建设标准化协会2012年第一批标准制、修订项目计划的通知》的要求，对《旋流加强（CHT）型单立管排水系统技术规程》CECS 271∶2010进行修订。
旋流加强（CHT）型单立管排水系统是目前国内应用较好的几种建筑特殊单立管排水系统之一。本规程是在总结几年来工程实际应用经验，并充分征求意见的基础上修编而成的。 本规程主要内容包括：总则,术语, CHT特殊接头、系统管材和普通管件，系统设计，施工安装，工程验收。
本规程修订的主要技术内容包括：
1.增加了CD4N(T)、CW4N(T)型铸铁材质旋流接头和CB4N(P)、CB4N(F)型硬聚氯乙烯（PVCU）塑料材质、复合材质旋流接头以及设计选用、施工安装方法；
2.系统立管管材增加了与塑料材质旋流接头配套的硬聚氯乙烯（PVCU）短螺距内螺旋排水管；
3.根据测试成果，增加了CB4N(P)塑料材质旋流接头和CB4N(F)型塑料、复合材质旋流接头的系统最大排水能力推荐数据；
4.补充了塑料（PVC-U）旋流接头的施工安装方法及要求。
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