摘要：依据暖卫施工规范、全国统一安装工程预算定额及工程量计算规则的规定，针对建筑给排水工程量计算的一些问题，给出了工程量计算优化的原则、铸铁管及存水弯的除锈刷油工程量计算表，并指出了预算定额中工程量计算表的一些数据的错误．

关键词：工程量 排水铸铁管 存水弯

Discussion in calculating engineering quantity of drainage cast ironpipe and trap

　　Abstract:Aceording to the stipulations in the standard for construction and check before acceptance, the national unified budget quota of installing engineering and the callulating negulation of its engineering quantity, it is aimed at some problens in calculating engineering quantity of building drain that the optimum objectiue of engineering quantity callulating and the engineering quantity calculaing table of rust rencoing and oiling for cast iron pipe and ……