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DIN EN 14654-1-2005
Management and control of cleaning operations in drains and sewers - Part 1: Sewer cleaning
适用范围：This European Standard specifies the general principles for the management and control of cleaning operations indrain and sewer systems and specifies requirements for implementation of cleaning programmes and for workingpractices.It is applicable to drain and sewers systems outside buildings, which operate essentially under gravity, from thepoint where the sewage leaves a building or roof drainage system, or enters a road gully, to the point where it isdischarged into a treatment works or receiving water. Drains and sewers below buildings are included provided thatthey do not form part of the drainage system of the building.
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