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【简答题】
某水利枢纽引水工程位于海拔高程1050m地区,其可行性研究报告提出,引水隧洞有一段采用压力钢管,直径D=2.4m,壁厚h=15mm。已知:(1)据设计图纸计算,钢管本体重量888t(其中直管800t、弯管48t、渐变管40t),加劲环和支承环重78t,制作安装临时固定拉筋3t;(2)钢管特殊防腐单价350元/t;(3)钢管从工地加工厂分节制作后,装平板车运至安装现场,装卸运输费30元/t;(4)压力钢管安装单价4238元/t;(5)钢管、加劲环和支承环用钢材材料预算价格2800元/t;(6)工程量设计阶段系数:可行性研究1.15,初步设计1.10;(7)钢板操作损耗率综合取8%;(8)安装工程投资估算取费费率:其他直接费2.7%,现场经费45%,间接费50%,企业利润7%,税金3.35%;(9)压力钢管制作投资估算单价表见表1F420154-9。问题:(1)根据《水利工程设计概(估)算编制规定》([2002]116号),完成压力钢管制作单价表(仅填写合价;单位:元;计算结果保留两位小数)。(2)根据《水利工程设计概(估)算编制规定》([2002]116号),计算压力钢管制作安装工程可研投资(单位:万元;计算结果保留两位小数)。
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