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由于衬砌机大面积进行渠道混凝土衬砌施工,在我国除南水北调东线山东段外,其它地方尚未进行过,也无相应的预算定额标准可套,施工单位不仅要花一定资金购置衬砌机,且衬砌混凝土成本远高于常规混凝土浇筑,因为投标单价是按常规拉模施工的单价,本身价格就低,比实际机械衬砌消耗更低。S30标是在招标未要求、投标未承诺采用衬砌机的情况下,为保证渠道衬砌质量和统一质量评定标准,按建设和监理单位要求,采用衬砌机进行渠道混凝土衬砌施工,索赔理由成立,施工单位提出费用索赔,应给予补偿。
In addition to the large-area lining of concrete lining construction in our country in addition to the eastern section of the South-to-North Water Diversion Shandong Province, the other places have not been carried out, there is no corresponding budget fixed standards can be set, the construction unit not only spend some money to purchase lining machine, and lining The cost of concrete is much higher than that of conventional concrete pouring because the unit price of the tender is based on the unit price of the conventional drawing mold construction, which in itself is lower in price and lower than the actual mechanical lining. S30 tender is not required in the tender, the tender did not commit to the use of lining machine case, in order to ensure the quality and unified channel lining quality assessment standards, according to the requirements of construction and supervision units, the use of lining machine lining concrete lining construction, the grounds for the establishment of claims, construction The unit claims the cost, should be compensated.