摘要：为解决安装工程定额结算中出现的争议及加深对子目的理解，通过查阅定额说明、文献、人材机消耗量等方式并结合工程经验，对安装工程定额中一些常见的疑难点进行研究。研究发现：设备分片安装应考虑供货状态，整体安装则应主要考虑定额的吊车能否满足要求；对于钢结构子目，防腐除锈主要看型钢的平均厚度，制作安装应注意区分类别；工艺管道组件应按照其实质的安装工作来套用定额；电缆敷设子目适用于需用卡子固定的明敷电缆，桥架敷设可按其60%～80%计价；电机检查接线子目适用于解体检查，无需解体时可乘以0.2；送配电系统调试需注意系统划分；仪表安装子目中单体调试工作量所占比例为50%～90%；对于定额子目的应用，更应从人材机消耗量来确认其是否和工序匹配。

关键词：安装工程；定额计价；结算争议；定额应用

Abstract：To resolve disputes arising in the settlement of installation project and deepen the understanding of sub-items，the common doubts and difficulties in the installation project quota was studied by consulting quota explanations，literature，the consumption of labor，materials and machinery，and combining engineering experience. The research found that：When installing equipment in sections，the supply status should be taken into account. For overall installation，the main consideration should be whether the crane specified in the quota can meet the requirements. For sub-items of steel structure，the anti-corrosion and rust removal mainly depend on the average thickness of the steel sections，and attention should be paid to classifying during fabrication and installation；the quota for process piping components should be applied based on their actual installation work；the cable laying sub-item is applicable to exposed cables that need to be fixed with clips，and the pricing for tray laying can be 60% to 80% of it；the motor inspection and wiring sub-item is suitable for disassembly inspection，and when disassembly is not required，it can be multiplied by 0.2；for the commissioning of power distribution systems，attention should be paid to system division；in the sub-item of instrument installation，the proportion of individual debugging workload is 50% to 90%；for the application of quota sub-items，it is more necessary to confirm whether they match the process from the perspective of labor，material，and machinery consumption.

Keywords：steel structure；quota valuation；settle disputes；enterprise quota

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