Five key factors for the acceptance of building reinforcement

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Reinforced steel is a kind of material with large amount of construction and high value. Whether it can reasonably improve the utilization rate of engineering steel bars is one of the important factors to reduce construction cost. Increasing the utilization rate of engineering steel bars is the entry point for the current construction enterprises to improve economic efficiency and reduce engineering costs, and is also the focus of the fine management of material costs. The following is a brief description of the fine-grained management of the machine cost from the aspects of acceptance and use of steel bars.

First, the acceptance of the reinforcement

1. After the steel bar enters the field, you should first check whether the supplier's invoice, delivery quantity, specification model and brand are consistent with the project procurement plan. Then, collect the quality certification documents of the incoming steel bars, confirm whether the quality certification documents are consistent with the incoming goods, and whether the furnace batch numbers correspond. After confirmation, check the apparent quality of the steel bar. If there are quality defects such as rust, cracks, crusting and folding, distortion, etc., refuse to sign the acceptance.

2. At least two people should be present in the acceptance of the number of steel bars. They should be supervised by each other. The steel snails entering the field should be weighed by weight. The small tickets are kept and attached to the shipping details for inspection. When the straight bar is accepted, the length shall be measured with a tape measure, and the diameter of the bar shall be measured using a vernier caliper. If the diameter of the bar does not conform to the national standard, it shall not be signed and accepted. The number of straight bars needs to be numbered and calculated according to the theoretical weight. The length of the weight is calculated based on the actual measurement at the time of acceptance.

Second, the storage management of steel bars

1. On-site reinforcement storage management. According to the actual situation of the site, the unified planning, set up a special storage area for steel bars, strictly in accordance with the requirements of materials and equipment management standards at the construction site. The unloading requirements of the unloading car are not more than 3 layers according to the number of parts, discs and discs. The straight strips are neatly stored and easy to process and move.

2. Set the appropriate steel processing area. In many projects, most of the steel materials are placed neatly, but the storage of semi-finished steel products is confusing and unclear. All semi-finished steel bars should be stacked according to specifications, sub-categories and partitions, and their use and quantity should be marked. It is convenient for workers to access the processing, and the site management personnel can accurately report the consumption.

3. Set up a reasonable steel scrap storage area or waste pool. The scrap produced by the processing of steel bars is placed into the steel scrap pool as required to keep the steel processing area clean and tidy. In addition, comprehensive waste utilization, such as welding horse stools, should be implemented to save steel. For all types of steel bars, less than 40 cm is required to be considered as waste. Reinforced steel bars that cannot be used after processing shall be identified and the causes shall not be disposed of arbitrarily, resulting in waste of steel bars.

Third, the outbound storage and consumption management of steel bars

1. At present, there are still some problems in the use of many engineering steel bars, such as inaccurate reporting, and inconsistent with the actual construction conditions. For the different construction sections, the amount of steel used, the consumption of steel is issued by the statistician, and the steelwork is processed according to the construction task book. The construction task book should calculate the amount of steel used by various specifications and models according to the actual conditions of the construction section, and specify the specific consumption parts, such as a certain layer (or foundation, main body several layers), a certain axis to a certain axis, column bars, beam ribs, etc. . The construction task book may be implemented after being signed by the construction team leader or technical supervisor. The competent material personnel shall keep it. According to the construction work task book, the material collection procedure shall be completed, and the team leader shall use and issue the steel bar blanking list.

2. Reinforcement must be strictly carried out in accordance with the quota picking system. The statistician issues a limit picking list, and the receiving and dispatching materials will issue materials according to the limit picking one-way shift group and accurately report the consumption.

3. When the semi-finished steel products are lifted, the steel bar should send a special person to direct the transportation of the steel bars, which can reduce the waste caused by some reasons. Managers should also perform inspections prior to release to ensure that the location and quantity of the required materials are accurate. Eliminate the excess or lack of semi-finished products on the operating surface caused by the commanded lifting error. Accurately command the tower crane and send the steel bars directly to the lashing ground. It not only speeds up the lifting speed of the operating layer, but also increases the accuracy of the arrival position of the semi-finished products.

Fourth, the establishment of steel materials electronic account

With the implementation of the fine-grained management of material costs, in order to facilitate the accurate calculation of various data, the electronic account of steel materials should be gradually improved, and the previously inefficient manual accounting is discarded, which not only facilitates the statistics of data, but also The team took the time to take accurate and reduced the error of the original manual bookkeeping. The requirements for the consumption of steel rebars should be recorded separately according to the team, building number, layer number, axis number, use, specification and model, quantity, etc., and the traceability of material quality is finally achieved.

V. Timely cost accounting and comparison

1. Should adhere to the monthly inventory and monthly accounting system. The monthly inventory should be carried out earnestly. Through the monthly inventory, combined with the completed project quantity, the remaining amount of steel bars in the field will be compared, and the accurate values ​​of various steel bars consumption in the current month will be verified in time to accurately reflect the accuracy and truth of the data and ensure the accuracy of the material cost. If there is a deviation in the reported consumption, look for the cause carefully, and correct the consumption of the previous month when reporting the consumption in the next month.

2. Divide the construction nodes according to the actual situation and check them regularly. The node steel bar count is an important task before the node analysis, which has a great impact on the final data analysis and comparison. Therefore, the inventory must be comprehensive, detailed and serious, so that there is no leakage in the inventory, and the statistics have a basis to ensure the accuracy of the inventory data. Sex. If the difference in the amount of inventory is too large, the project should carefully find out the reasons for timely improvement of the construction method and formulate corresponding rectification measures.

The acceptance and consumption of steel bars is only one aspect of the fine management of the cost of the machine. It is necessary to do a good job in the fine management of the material cost, not only from the steel, but also commercial concrete, wood, formwork, cement and so on. We will conscientiously implement various effective measures and effectively strengthen cost control. Only in this way can we really reduce the cost of the project and maximize the profit of the project, thereby improving the economic efficiency of the whole enterprise, improving the management level of the enterprise and enhancing the competitiveness of the enterprise.

(Ge Qingyong)

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