The audit of project cost and engineering quantity is very important, and the result of the audit is directly related to the construction efficiency and project quality, involving all aspects of interests, which is very critical. Zhong Da Consulting will explain the audit of project cost and quantity for you.

The error of engineering quantity is divided into positive error and negative error. The positive error often shows that the actual excavation height of earthwork is less than the outdoor design height, and it is still calculated as planned. The area occupied by holes and ditches is not deducted; The volume of inner ring beam and lintel of the wall is not buckled; Reinforcement calculation often does not buckle the protective layer; Repeated calculation of reinforced bars or stirrups at the joints of beams, plates and columns. The positive error is manifested in the calculation of engineering quantity completely according to the theoretical size and the omission of projects. Therefore, it is most important to be familiar with the calculation rules of construction drawing quantities. One is to distinguish the calculation range, such as the division of foundation and wall in masonry engineering, the division of column height in concrete engineering, the division of beam and column, the division of main beam and secondary beam, etc. The second is to distinguish the scope of restrictions. For example, if the height of a building is more than 3.6m, it is necessary to decorate the ceiling to calculate the scaffold cost, and the cast-in-place reinforced concrete member can be considered as the ultra-high formwork support cost. Third, it is necessary to carefully check whether the calculated size is consistent with the illustrated size to prevent calculation errors. The engineering quantity audit of visa information mainly refers to the verification of on-site visa and design change notice according to the actual situation, so as to be realistic and reasonable in measurement. During the audit, we should do a good job in investigation and study, review its rationality and effectiveness, and do not calculate without a visa to prevent and eliminate unrealistic expenses.

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