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| International Standard List: External water conveyance systems |
| Title | Standard No. | Implemented On |
| Technical specification of safety risk monitoring for operation of urban water supply pipelines network | DB31/T 1333-2021 | |
| Technical specification of safety risk assessment for urhban water supply pipelines network | DB31/T 1332-2021 | |
| Technical specification for long distance water transmission pipeline engineering of urban water supply | CECS 193-2005 | 2006-3-1 |
| Technical code for water supply engineering of town and village | SL 310-2004 | 2005-2-1 |
| Qualification standard of water supply works for villages and towns | SL 308-2004 | 2005-2-1 |
| Standard for antiseepage engineering lined with polyethylene (PE) geomembrane | SL/T 231-1998 | 1999-3-1 |
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