Just entering the office of the Park Supervision and Consulting Company located in the Zhongguancun Building, a bunch of hearty laughter came. Then, an old man with a beard and silver eyebrows strode out from the conference room. He is an evergreen tree in the construction industry and was cited by Premier Wen Jiabao as "an expert who has made outstanding contributions to the establishment of an international image for the capital." The old gentleman dressed in a suit and asked if he knew about the waterproof work conference recently held in Yinchuan. He then emphasized that relevant practitioners in the waterproofing industry should understand the development of the waterproof industry and technical regulations throughout the country. Although Yang Lao did not specifically handle the waterproofing project, he did not look at the situation in the waterproofing industry.
As early as ten years ago in a national waterproof work conference, Yang Lao put forward a point of view. In terms of safety, the importance of building waterproof is second only to the structure. Functionally speaking, the leaking of houses affects the quality of life of every household. No matter whether it is kitchen, living room or basement, leakage of water is unbearable. Structurally speaking, the architectural status of the building structure is naturally inviolable. However, the existing buildings are all made of reinforced concrete. Once the leakage occurs and the steel bars are rusted, it will endanger the safety of the entire building and detract from the use of the building. life. This statement is consistent with the "Waterproofing Project is about Building Safety" proposed by Zhu Dongqing, Chairman of the China Building Waterproofing Association. Their point of view has been endorsed by the industry and generally cited.
Building waterproofing is not so simple
Waterproofing involves everything from roofs to walls to basements. Waterproof construction surface is very large, and all parts of the waterproof are not the same. The roof can use coils, but it is not suitable in the bathroom, construction site is not the same, the materials used, construction process and functional requirements are not the same, waterproof is not as simple as most people think.
In the past, the implementation of the waterproofing project was carried out by the general contractor and has been transformed into a professional waterproof company to solve the problem. The number of these companies is large and the development levels are uneven. When bidding, who will be handed over to whomever is cheap will lead to a vicious competition cycle, and ultimately endanger the safety of the building. The price is not the focus of the project bidding, but should first see the brand, production and construction capabilities of the waterproofing company, and whether it can ensure the quality of the project.
The complexity of waterproofing is also manifested in the fact that the waterproofing project is subtle and the leakage problem is a chronic disease that cannot be detected immediately. After the completion of the construction of the new project, it will be a water-rejection test and it will be flooded for several days. Perhaps there is no problem, but who can guarantee that it will stand the test of the owner's use? If there is a once-in-a-century, once-in-a-century heavy rain, the water table If the price rises, will the waterproofing project be impregnable? Yang Lao believes that the current 5-year warranty period used by the waterproofing industry is not reasonable. Ordinary coils generally do not rot in 2 or 3 years, and it is not impossible to delay them for another year or two. After the 5 year waterproof warranty period, there is still a probation period of several decades for housing construction. , Leaked water, it is the owner of a headache. Speaking of this, Yang smiled helplessly. He himself suffered from this problem. He moved into a new house in 2004. The bathroom has been leaking so badly that he opened it to see that construction was not carried out according to the rules. This has just passed the warranty period and the hidden risks have been fully exposed. Yang Lao Shang, an expert in engineering construction, encountered such problems, not to mention ordinary owners. Of course, the current waterproofing industry is developed to this extent. If quality assurance is required for a lifetime, this will require a long and arduous effort.
Another manifestation of the complexity of waterproofing is that the causes of leakage are complex and are specifically expressed in four aspects. The first is improper construction. Waterproof construction is a highly operative type of work. Failure to comply with the standard construction and cutting corners will also prevent it. The second is material issues. The price difference between low-quality materials and high-quality materials is huge. However, after the project is put into operation, it will not be easy to identify the differences. Then there is the design problem. Because the waterproofing industry is smaller and cooler, designers often do not attach importance to waterproofing, and do not understand the waterproof material technology. If the design is unreasonable, it will lead to subsequent product use and improper construction. The last issue is management. In addition to post-conservation and maintenance, there is also management. Management makes the project participants work in accordance with rules and in an orderly manner. It is not the scope of technology. Therefore, the management issues are more complicated than the first three. Although the causes of leakage are various, in the final analysis, it is still important to ignore the importance of waterproofing and do not follow the rules.
Waterproof project cost is not equal to not important
Due to the relatively low prices of raw materials and the low number of construction workers, waterproofing projects account for a small proportion of the overall cost of construction projects. This is an objective fact, but it cannot be paralyzed and careless. First of all, it is important to determine whether the waterproofing of the construction site is important. If there is no groundwater in the basement to be constructed, it is not necessary to make the waterproofing very complicated. With the concrete and the condensate agent, the coil coating material is useless; if it is water seepage Parts, it should be fine construction, in order to seek insurance, and even do more waterproof. Therefore, investment in waterproof projects needs to be adapted to local conditions, and cannot blindly push up or raise the cost.
The low cost of waterproofing, the small and scattered industries, there are two issues that need attention.
First, there is a problem in the waterproofing industry that there is a disconnect between material production and construction. That is, one building of building materials and another is construction. Yang Lao believes that this is a very unreasonable phenomenon. He advocated that enterprises that produce waterproof materials must have their own construction team. Once a project has a problem, the responsibility of the person is clear. This coincides with the argument of the waterproof construction expert Zhou Wenqin 'whose materials are used for construction' (see this Reported on August 1, 2011, No. 72, Issue 3, "Waterproofing Process Evolution in Engineering Practice." This reminds the waterproofing companies that in order to keep their reputation, the production materials cannot be ambiguous, and the construction is not daunting, which is also conducive to the development of enterprises into permanent enterprises. At present, there are not many outstanding companies in the integration of domestic material production and construction. Many of them are coming and going in a hurry and temporarily catch several workers. This is very dangerous for engineering construction. On the other hand, the integration of enterprise production and construction of materials is conducive to the promotion of construction specialization. Professional construction is not only necessary for the waterproof industry, but also in other areas of construction.
Second, the current waterproof market is still in the initial stage of the market economy, cutting corners, counterfeiting and inferior products, and vicious competition are examples of the immature market. The concept of “supported by morality, based on property rights, and guaranteed by law†proposed by the Fifth Plenary Session of the 17th CPC Central Committee now seems to be relatively weak in the immature water-proof market. In the past, Yang Lao had strongly recommended that he should insure or find Yuhong’s products. However, the other party rejected the use of Oriental Yuhong’s products, which were good but the price was too high. In fact, this is not a question of price. A low-quality product is cheap but quickly fails. According to normal thinking habits, a brand with good reputation and good quality should be the first choice. However, people are skeptical that small brands can't trust products. This is an incredible phenomenon. Therefore, there are only a few individual companies that focus on the introduction of quality products. The role of excellent entrepreneurial spirit and culture in the industry is very difficult. It also requires a clear mechanism to guide. However, we should also believe that with the acceleration of China's urbanization process, the waterproofing industry is currently developing rapidly, and individual soldiers in the economy are rushing forward, and the laws and regulations that match them will improve, and those abnormal phenomena It's just a transition. Companies that have ideals and ideas will walk unyieldingly and will eventually succeed.
For Yang Lao, who is walking in the architectural field for nearly a year, water-repellent personnel are serious about their work and can't care for their responsibilities. Everything is money, every process has its own responsibility, and the materials responsible for building materials must be guaranteed. The quality, construction of the project to ensure the quality, design should be reasonable, and more communication with the engineering unit, can not drop the design plan regardless, this is his simplest, but also the deepest hope. After all, the construction project countries and people have put in such great expectations that they are not doing well. It is very sad and disappointing.
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