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预拌混凝土要如何监管保证质量？ - 工程施工 - 项目管理 - 氿上知道
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（二）预拌混凝土原材料必须按不同品种、规格分别堆放，有防止混用的设施，严禁以次充好，掺合使用。
（三）预拌混凝土生产现场操作人员应持证上岗，并严格按规程及配比要求进行操作。
（四）每批次成品预拌混凝土自控资料应完整，标准养护试件和同条件养护试件必须在施工现场见证取样、制作和养护，不得以商砼企业制作的出厂检验混凝土试件或其他混凝土试件代替施工现场制作的混凝土标准养护试件和同条件养护试件，见证记录归入施工技术档案。
（五）商砼企业的所有计量设备必须每天进行校对，且校对记录必须清晰完整。
监督检查
各级质量监督机构要组织对商砼企业生产经营情况进行定期、不定期检查。重点检查实验室配备及运行情况、质量保证措施是否到位、资质条件是否满足要求等方面。质量监督机构对预拌混凝土原材料进行抽检，每年一般不少于6次；每年至少组织一次全市范围内的专项检查。