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4.4 Padding Plates
4.4.1 The specifications and sizes of the padding plates shall meet the requirements of the design document.Relevant requirements of the current national standard GB 50231 General Code for Construction and Acceptance of Mechanical Equipment Installation Engineering shall be met when there is no requirement in the design document.
4.4.2 Setting method of the padding plates shall meet the requirements of the design document.A bedmortar method shall be adopted when there is no requirement in the design document.Setting the padding plates by using the bed-mortar method shall meet relevant requirements of the current national standard GB 50231 General Code for Construction and Acceptance of Mechanical Equipment Installation Engineering.