National building leakage rate remains high
On July 4, China Construction Waterproofing Association and Beijing Zero Market Survey and Analysis Co., Ltd. jointly released the 2013 National Construction Leakage Investigation Project Report.
The sample survey involved 850 communities in 28 cities across the country. It surveyed 2,849 buildings and visited 3,674 households. A sample of 2849 building roof samples was sampled, of which 2716 had different degrees of leakage and the leakage rate reached 95.33%; 1777 underground building samples were sampled, of which 1022 had different degrees of leakage, and the leakage rate reached 57.51. %; sample of 3674 households sampled, of which 1377 have different levels of leakage, leakage rate reached 37.48% (the above data from the 'zero survey').
As a basic material for engineering construction, building waterproof material is an important functional product related to the national economy and people's livelihood. The pros and cons of building waterproofing are related to structural safety and people's well-being. Modern buildings should have given us a safe, healthy and comfortable life, but we are still worried about the safety hazards and troubles caused by leakage. According to data from the Beijing Construction Engineering Judicial Identification Center, one-quarter of legal disputes are caused by leaks in residential buildings. In recent years, there have been more and more cases of leakage by the public in the media, which has aroused the attention of the government. In October 2013, the Ministry of Housing and Urban-Rural Development issued the Notice of the Ministry of Housing and Urban-Rural Development on Deepening the Implementation of the National Project Quality Special Remediation Work. Leakage was first listed as a common problem in the quality of construction projects, and a five-year plan was adopted for special treatment. The General Administration of Quality Supervision, Inspection and Quarantine (AQSIQ) has also listed building waterproofing membrane products in the list of key products for quality improvement throughout the country for three consecutive years.
In order to further understand the current status of building waterproofing quality and accurately grasp the building leakage data and the root causes of leakage, the China Construction Waterproofing Association commissioned the Beijing Zero Market Survey and Analysis Company in 2013 to investigate the leakage of certain key cities across the country. The above-mentioned survey data are based on the investigation and statistics methods prescribed by the state and have been obtained through rigorous forensic investigations, which truly reflect the current state of construction leakage in the country. That is, the leakage of buildings in the country is quite serious. The China Construction Waterproofing Association also conducted a focused analysis of serious leakage problems and proposed countermeasures.
Sufficient overcapacity leads to 'black industry chain' raging
In recent years, China's building waterproofing industry has made considerable progress. With the expansion of the building's waterproofing field to the engineering construction field, it has greatly expanded the market space of the building waterproofing industry. At the same time as the rapid development of the industry, some deep-seated contradictions gradually surfaced: outdated production capacity was seriously excessive, low-level redundant construction was serious, and industry concentration was low. At present, the production capacity of regular enterprises with production licenses in the waterproofing industry is less than 60%. The number of SMEs with poor production processes, low energy-saving and environmentally friendly standards, and most of them are backward production capacity. What's more, undocumented production and counterfeiting and densification have formed a semi-public base. These contradictions are reflected in the market, that is, low-cost competition at the expense of product quality and corporate honesty, resulting in companies that cut corners, shoddy products, produce a large number of counterfeit and shoddy products and do not meet the relevant national standards for waterproofing products.
There is demand for supply. The existence of these fake and shoddy products is caused by the defects of the construction project management system and the weak supervision. At present, tenders for construction waterproof projects in China are mostly based on the lowest bid, and bid prices lower than the cost price have long been commonplace. These have resulted in bad money expelling good money and creating market space for counterfeit and inferior products. The end market of waterproof material is construction engineering, and the engineering field is also chaotic. The project supervision system is in a form, the supervision of project quality is severe, the quality of construction materials and the quality of the construction materials are not closed, and the project construction cost is low, seriously deviating from the market. Laws; waterproofing projects are often subcontracted and construction projects are misappropriated under various names. In addition, construction qualifications are heavily linked and construction workers lack the necessary operating skills. Even the best materials cannot guarantee the quality of waterproofing projects.
Overcapacity has caused companies to take risks, and government supervision has not formed market space. A large number of counterfeit products and waterproof products that do not meet the national standards, as well as unqualified and unskilled construction teams occupy a large number of markets in construction sites and form a 'black' industrial chain. The result is the quality of building waterproofing projects and the safety of construction entities. Bring incalculable hidden dangers.
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