Wuxi Observation Standard Manufacturer Observation Standard Quotation

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　　Wuxi Observation Standard Manufacturer Observation Standard Quotation

　　My Steel Network analyst Wang Jianhua analyzed several sets of games facing the steel market in December. "The impact of real estate regulation on China's economy, especially steel consumption, is obvious." Wang Jianhua said that since June this year, the apparent consumption of crude steel has turned negative, down 2.6% year on year, down 12% year on year in July, down 17% year on year in August, and down about 25% year on year in September and October. It is expected that the apparent consumption of crude steel in November will still decline by 20%, which will also have a great impact on steel consumption in December. Wang Jianhua pointed out that there are many favorable factors in the steel market fundamentals in December, mainly manifested in the following aspects: firstly, the supply increment in December may be much lower than expected. This month, domestic crude steel production decreased by 0.7% year-on-year. Many people believe that since the annual production control task has been completed, production can be released in December. However, according to research data estimates, the supply increment in December may be much lower than expected, "said Wang Jianhua. Wang Jianhua introduced that currently, there has been a shortage of some varieties and specifications in the Tangshan area of Hebei Province. In addition, the level of heavy pollution weather prevention and control has been raised, and logistics transportation has been restricted, which has affected the delivery resources of some steel enterprises. It cannot be ruled out that some regions may experience a shortage of certain varieties of resources. Secondly, there has been a slight improvement in actual demand recently. In terms of volume, the average daily trading volume of sample enterprises has rebounded in the past five weeks. In November, the average daily trading volume increased by 1.9% month on month, and the year-on-year decline narrowed from 27.9% in October to 19%. From the inventory perspective, since November, the stock of threaded steel in sample enterprises has decreased by 1.1078 million tons instead of increasing, and the total inventory of the five major varieties has decreased by 1.1286 million tons instead of increasing. Wang Jianhua said that the inventory decline in many places showed that the actual demand was better than expected. From historical consumption data, it can be seen that demand does not decrease significantly month on month in the two months leading up to the Spring Festival each year, and even shows a trend of month on month growth in some years. Considering the special nature of this year, the government has been regulating the real estate industry for some time, and has also emphasized the need to form physical workloads by the end of this year and the beginning of next year, with an expected further rebound in demand. Wang Jianhua believes that steel inventory may continue to decline in mid to early December. In November, the manufacturing PMI (Purchasing Managers' Index) rebounded 0.9 percentage points month on month to 50.1%, returning to the expansion range. The construction business activity index and new order index rebounded 2.2 percentage points and 1.9 percentage points respectively month on month, both in an expanding trend. The third is the negative feedback of raw materials or the conversion to positive feedback. With increasingly strict environmental protection requirements in winter, some coke enterprises that have recently suffered losses have a stronger desire to raise prices, and there is a high probability of demand for price increases in December. If the price increase is effectively implemented, it will undoubtedly provide some support for the rise in steel prices. Overall, as we enter December, there is room for a phased rebound in steel prices under multiple games, which may provide some support. Different regions and varieties may exhibit differentiated operating trends at different times. In terms of operation, steel companies still need to strictly control production; For traders, they should try to control resources at a lower level as much as possible; For end users, it is still necessary to adhere to on-demand procurement, continue to lower inventory, and seize opportunities to lock in resources.

　　Based on the characteristics of the project layout and the environmental conditions on site, a measurement and construction plan shall be formulated. The leveling control points (or urban precision traverse points) provided by the construction unit shall establish a leveling control network according to the requirements of the project's measurement and construction plan and network layout principles. Requirement: (1) Generally, there should be at least 3 leveling points arranged around high-rise buildings, with a spacing of no more than 100 meters; (2) At least 2 leveling points should be visible from the rearview of any instrument installed in the field area, and each leveling point in the field area should form a closed shape for closed calibration; (3) Each leveling point should be set outside the excavation, ground settlement, and vibration zone of the building. The burial depth of the leveling point should meet the requirements of second-class leveling measurement (greater than 1.5 meters). Based on the characteristics of the project, a reasonable leveling control network should be established, and the elevation of each leveling point should be calculated by joint measurement with the benchmark point and adjustment.

　　Requirements for building settlement observation specifications

　　2. Establish a fixed observation route

　　Determine the location of settlement observation points based on the burial requirements of settlement observation points or the settlement observation point layout diagram designed by the site level control network. Establish a fixed observation route between the control point and the settlement observation point, and mark the instrument stations and turning points with markers to ensure that all observations follow a unified route.

　　3. Settlement observation

　　According to the prepared engineering survey plan and the determined observation period, observation should be carried out in a timely manner after the observation points are firmly set up. Generally, high-rise buildings have one or several underground structures, and observation should start from the foundation. Settlement observation points (temporary) should be buried at the designed positions on the longitudinal and transverse axes of the foundation (foundation edge), and observation should be carried out after the temporary observation points are stable. The elevation values of the settlement observation points used for observation are the basis for comparison in future observations, and their accuracy requirements are very high. Generally, N2 or N3 level precision leveling instruments are used for measurement. And it is required that the elevation of each observation point should be determined after two simultaneous observations.

　　As the structure rises one level, temporary observation points are moved up one level and observed until 10:00, and then observation points are buried according to regulations (for ease of observation, observation points can be set at 1050mm). Then retest every layer of construction until completion.

　　Requirements for building settlement observation specifications

　　4. After organizing and checking the observation records for accuracy, carry out adjustment calculations to determine the elevation values of each observation point, and thus determine the settlement amount.

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