1. Support for cast-in-place reinforced concrete beam and arch frame and support for arch ring. If the construction arrangement can't reach the specified turnover times, it can be replaced according to the specific situation, and the recovery can be calculated.

2. When the quota is adopted, the cement dosage in the mixture ratio of concrete and mortar, if the cement dosage and label actually supplied are different from those in the quota, can be pumped according to Appendix 2 of the budget quota "Table of Basic Ration of Concrete and Mortar".

3, such as construction must use special machinery, can be replaced according to the specific situation.

Extended data

Classification of posts converted by quota: divided into labor, materials, machinery and mixed conversion. ?

Manual conversion: only the project quota is converted manually, and the others remain unchanged. ?

Material conversion: when some (some) materials, specifications and quotas in the quota project affect the quantity and price, the conversion shall be carried out according to the regulations, and the others shall remain unchanged. ?

Mechanical conversion: only a certain amount of construction machinery fee is converted in the quota project, and the rest remains unchanged. ?

Mixed conversion: the construction drawing requires partial changes to the work, materials and machinery in the quota project, and two or more conversions to another subtitle.

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