In July of this year, Ms. Shi, a citizen of Harbin, purchased a commercial house of “Wanke·China Merchants Notting Hillâ€. During the decoration and installation of the ceiling, the concrete surface of the living room roof was found to be loose and cracked, and the slag would fall off after drilling. Unable to fix the anchor. Immediately, the situation was reported to the developer Vanke Group. Vanke Group contacted the construction unit China Construction Third Engineering Bureau Co., Ltd. (hereinafter referred to as “China Construction Third Bureauâ€), Vanke Group and China Construction Third Bureau entrusted third-party engineering quality inspection department to conduct inspection. After the identification, a settlement was reached with Ms. Shi. On October 28, Ms. Shi once again reported to the China Real Estate News reporter that when her house was decorated with wire troughs, she found that the living room load-bearing wall was loose under 1.5 meters of concrete, and the cement slag was able to be smashed by hand, with a thickness of 24 cm. The wall was dug at 11 cm, and she thought that Vanke’s house in Notting Hill had serious quality problems and was worried about a quality incident and asked to check out.
On October 29, the China Real Estate News reporter went to the Vanke·China Merchants Notting Hill Community in Xiangfang District of Harbin to conduct an investigation and interview. It was learned that the project was developed and constructed by China Merchants Real Estate Harbin Merchants Jiatian Real Estate Development Co., Ltd., construction unit China Construction Third Engineering Bureau Ltd. In February of this year, Vanke Real Estate signed a contract with China Merchants Property, and Vanke Real Estate operated the Vanke·China Merchants Notting Hill project and developed and constructed the subsequent land. This time, the quality problems of housing projects were exposed, and Vanke, China Merchants, and China Construction Three Bureaus were stuck in the “quality gateâ€.
Install the ceiling to find the roof slab "slag"
On September 10, Ms. Shi, a citizen of Harbin, told the China Real Estate News reporter that when she bought the house in July, she found that the concrete sign of the roof slab was not up to standard, loose and cracked, and severely fell off when drilling. Fix the anchor and worry about the danger of the floor falling down.
On September 12, the China Real Estate News reporter came to Ms. Shi’s home in Room 201, Unit 1, Building 8 of No.8, Notting Hill. The decoration of the house has been suspended, and the surface coating of the living room roof has been scraped off by about 2 square meters. The steel bars are exposed, and a hole is drilled in the middle part, which has been connected to the third floor. The sheds are lightly covered with the decorated wooden strips, and the concrete slag pieces fall off.
Ms. Shi introduced that she and her husband, Mr. Jiang, purchased the commodity room of Room 201, Unit 1 of Building 8 of Vanke·Notice Nodding Hill Project 05 in the beginning of July this year, with a construction area of ​​111.36 square meters and a house price of 734,749 yuan. On July 19th, after completing the down payment, mortgage loan and other related procedures, the home decoration will be completed and it is scheduled to be completed on September 15. On September 2, when the decoration workers installed the ceiling, they found that the concrete surface at the bottom of the living room ceiling was loose and cracked, and a large piece of concrete slag fell off when the nail was nailed.
Insufficient concrete strength affects use
After discovering the quality problems in their houses, Ms. Shi and the couple found the situation of the Vanke Group's customer service department in Harbin. Vanke Group immediately contacted the construction unit China Construction Third Engineering Bureau Co., Ltd. On September 5th, China Construction Third Engineering Bureau Co., Ltd. entrusted the Second Engineering Quality Inspection Station of Harbin Institute of Technology to test and identify the roof of Room 201 of Unit 1 of Building 8 of No.2 Building of China Merchants Notting Hill Project. On September 6, the inspection station issued a test identification and reinforcement program.
Chen Yumin, deputy general manager of Vanke Group Harbin China Merchants Jiatian Real Estate Development Co., Ltd., presented a report on “test and appraisal†to the reporter of China Real Estate News.
The test and appraisal report shows that the 8# building of the No. 5 plot of the Merchants Notting Hill has now entered the household, and a unit of 201 households found that they are located in the 8-11~8-13 axis and 8-D~8-D during the decoration and installation of the ceiling. The concrete surface at the bottom of the living room roof panel in the shaft range is loose and cracked, and will fall off after the drill is scraped, and the anchor nail cannot be fixed. Immediately, the situation was reported to the developer Vanke Real Estate, and Vanke Real Estate contacted the construction unit Zhongjian Third Bureau. In order to properly solve this problem, the China Construction Third Bureau entrusted me to conduct inspection and appraisal. Merchants Notting Hill 05 Block 8# Building One Unit 201 The living room roof has a flat surface size of 7100mm×3700mm, a plate thickness of 110mm and a concrete strength rating of C25. With two-way reinforcement, the diameter is 8mm, the model is HRB400, and the mesh size is 200 mm × 200 mm. The shear wall connected to the plate has a strength rating of C30.
The site survey and test results of the second engineering quality inspection station of Harbin Institute of Technology are as follows: within the range of about 1 m near the 11 axis of the measured plate, there is a phenomenon of loose concrete and insufficient compactness. The owner himself scrapes the concrete in the loose area and runs through the floor. The problem boundary was delineated by tapping and rebounding. The rebounder was used to rebound the concrete on the bottom surface of the board, and it was found that the mass distribution was uneven, and the partial position strength grade did not satisfy C25. It can be observed that the concrete is harder about 40mm from the bottom of the board, and there is no coarse aggregate in the loose part of the concrete at the bottom of the board, which is only the phenomenon of mortar, which may be caused by uneven vibration during construction.
In addition, the plate thickness is 110mm, which meets the design requirements. The spacing of the steel bars at the bottom of the plate is 200mm, which meets the design requirements. The steel bar diameter is 8mm, which meets the design requirements. The top of the board, that is, the 3 layers of ground heating has been laid, the permanent load is basically applied, and there are construction loads during construction. No cracks and excessive deflection caused by the load are found, but the concrete at the bottom of the board is loose, which will affect the board. Normal use.
Finally, the second engineering quality inspection station of Harbin Institute of Technology gave the test conclusions and recommendations. Merchants Notting Hill 05 Block 8# Building One Unit 201 The overall structure of the roof is safe, but the loose concrete at the bottom of the floor affects the durability of the structure and needs to be reinforced. It is recommended to knock out the decorated ceiling and remove the loose concrete from the bottom of the board to the hard part. For the planing of the floor, C30 fine stone concrete with expansion agent should be used for filling, then the surface repair and leveling should be carried out with high-strength repair mortar. The screed layer is recommended to be layered and applied, and each layer should not exceed 20mm. The carbon fiber cloth with a thickness of 0.167mm and a strength of II is double-layered and reinforced, each width is 200mm and the spacing is 300mm. The short side direction is arranged to the edge of the support, and finally the surface protection. At the same time, it is recommended that the construction of the construction unit with reinforcement qualification should be carried out with carbon fiber reinforcement, and the construction plan should be prepared before construction. The entire paste area should completely cover the window ceiling area.
According to the deputy general manager of Chen Yumin, the quality problem that occurred in Room 201 of Unit 8 of No.5 Building, Notting Hill 05, was the fifth real estate development problem before Vanke took over the project and the real estate development of China Merchants Group. Vanke is actively handling it properly. Vanke is actively communicating with the construction unit China Construction Third Bureau and the original construction unit China Merchants Property and seeking solutions, and will try to give the owners a satisfactory solution.
Resin quality problem of load-bearing wall
On September 28, Ms. Shi sent a letter to China Real Estate News to WeChat saying that after she negotiated with Vanke Group and China Construction Third Bureau, she reached a compensation settlement. The living room roof with quality problems has begun to be repaired and strengthened, and the house has begun. Second renovation.
However, on October 28, Ms. Shi once again contacted the China Real Estate News reporter and said: “My house has had a problem again. The concrete load-bearing wall of the living room is less than 1.5 meters, and the concrete is loose and slag. I can’t bear the weight. The poor house, asking for check-out, the developer has not been clear."
On October 29th, the China Real Estate News reporter once again came to the Vanke·China Merchants Notting Hill Community. It was found that the wall of the living room adjacent to the neighboring house of Ms. Shi had obvious excavation marks. The wall was about 3.5 meters away from the living room window. Walls, thorns or tools can be used to dig concrete slag from the wall. The 24 cm thick load-bearing wall, the decoration workers only dug the steel bars in the wall at 11 cm, which is the case from the ground to a height of 1.5 m. "On October 25, the decoration workers found that the load-bearing wall was loose and slag, and the steel bars in the wall were scarce. I was worried that the problem would stop working. I once again found the developer and the China Construction Third Bureau to request check-out and renovation compensation, but dragged on and off again. She has never solved it." Ms. Shi said angrily that her family was on the second floor and now found quality problems in her family's load-bearing walls and roofs. She was worried about the safety of the building.
Merchants Construction Vanke Trade Operations
Ms. Shi provided the “Harbin Commercial Housing Sales Contractâ€, “Commodity Housing Quality Assurance Book†and “Commodity Housing Operation Manual†and related purchase house bills.
The "Commodity House Sales Contract" shows that the development company of Vanke·China Merchants Notting Hill is Harbin China Merchants Jiatian Real Estate Development Co., Ltd., the legal person is Lin Biao (General Manager of Changchun Vanke Real Estate Development Co., Ltd.), and the investment of Notting Hill 05 plot. The land area is 42,300 square meters, the construction area is 175,800 square meters, and the commercial housing is built 2-21 and the underground garage. Ms. Shi’s “Commodity Housing Quality Assurance Book†does not contain the basic information of the house purchased and the “Completion Acceptance Record†number. Article 7 of the "Commodity Housing Quality Assurance" stipulates that after the households go through the household registration procedures, due to the quality of the housing, if the relevant professional departments determine that they are unable to live, the real estate development company will exchange or check out and give corresponding economic compensation.
On the official website of the Harbin Urban and Rural Construction Committee, the China Real Estate News reporter found the “Harbin Engineering Completion Acceptance Record†of the “No. 5 Building of No. 5 Block of Merchants Notting Hillâ€, the record number is Black Construction No. 2015380, the construction unit For Harbin China Merchants Jiatian Real Estate Development Co., Ltd., the construction unit is China Construction Third Bureau Group Co., Ltd., and the supervision unit is Harbin Institute of Technology Construction Project Management Company. The completion date is June 15, 2014 - December 18, 2015. , filing date December 18, 2015.
China Real Estate News reporter learned that Vanke·China Merchants Notting Hill was originally named China Merchants Notting Hill. It was launched by the Central Enterprise Investment Promotion Bureau and Harbin local brand enterprise Harbin Real Estate. The project is located in Harbin and vigorously develops the southeast plate, with a total construction area. 700,000 square meters. The project reproduces Harbin's rich European style with enclosed living space, open-plan block space and Notting Hill mix and match architectural style. On February 20 this year, the signing ceremony of the cooperation between Vanke Group, Harbin Real Estate and China Merchants Group and Harbin Notting Hill Project was held at Shangri-La Hotel, Harbin, marking the official entry of Vanke into Harbin and the creation of the Notting Hill project. General Manager Lin Biao said at the signing of the contract that Vanke will operate the Notting Hill project and will introduce the concept of “green building†and industrialized housing. Shortly afterwards, the name of the Merchants Notting Hill project was crowned with Vanke. The development and construction of the subsequent plots of the project was independently developed and operated by Vanke. Currently, the Vanke·China Merchants City Light Project is under construction.
Upon inquiry, China Construction Third Engineering Bureau Co., Ltd. (China Construction Third Bureau Group Co., Ltd.) undertook the 1#-21# building and basement of China Merchants Notting Hill 05 plot, with a construction scale of 175,808.42 square meters, construction permit number It is 2301092014051301-01, the commencement date is June 23, 2014, and the completion date is October 30, 2015. And Merchants · Beacon Hill (Phase I) 1-1 #1 to 1-5 #, 2# - 5 #, 6 - 1 # to 6 - 5 #, 7 # - 22 #, underground garage, construction scale 236,306.33 square meters Construction permit number 2301092014052101-01, commencement date is September 5, 2014, and completion date is August 30, 2016.
China Construction Third Engineering Bureau Co., Ltd. constructed and built 81 buildings, 2 underground garages and 1 place in the two projects of China Merchants Notting Hill, China Merchants and Beacon Hill in the two years from 2014 to 2016. The basement has a total construction area of ​​approximately 412,100 square meters. Such a mass construction project, the quality of the project is particularly important, and construction, construction inspection, completion acceptance and other aspects can not be paralyzed.
The three parties reached an agreement to repair the "problem" wall
On November 9th, the China Real Estate News reporter contacted Ms. Shi to inquire about the “Detection and Appraisal Report†of the wall where her family had quality problems. Ms. Shi said that developers and builders did not give them a “test and appraisal reportâ€. The couple had reached an agreement with Vanke Real Estate and China Construction Third Bureau. Taking into account the children's school problems next year, they have no choice but to ask for check-out, but the construction of the China Construction Third Bureau is responsible for the reinforcement of the wall with quality problems. At the same time, Vanke Real Estate and China Construction Third Bureau gave them corresponding compensation.
For Ms. Shi’s statement, Chen Yumin, deputy general manager of Vanke Group’s Harbin Merchants Jiatian Real Estate Development Co., Ltd., said that the construction unit’s China Construction Third Bureau had reached a settlement with the owner, Ms. Shi, and the housing quality inspection appraisal report needed to ask the China Construction Third Bureau.
China Construction Third Engineering Bureau Co., Ltd. (China Construction Third Bureau Group Co., Ltd.) The manager of the Notting Hill project Wang Yuqing said that whether to issue a “test and appraisal report†requires the developer Harbin Merchants Jiatian Real Estate Development Co., Ltd. To be determined, the China Construction Third Bureau has reached a settlement agreement with Ms. Shi and Vanke Real Estate, and is repairing the wall with quality problems for Ms. Shi’s family.
Regarding the quality problems existing in the living room load-bearing wall of Room 201 of Unit 8 of Building No. 05, No. 5, No. 5, No. 5, there is a safety hazard to the unit or the whole building where Ms. Shi’s house is located, and whether it has an adverse impact on the living of the residents in the building. Manager Wang Yuqing did not respond.
Harbin real estate industry analysts pointed out that the quality of the building quality found by Ms. Shi’s family is an example for builders and developers, but it is a big problem for Ms. Shi who spent all her savings and borrowed money to buy a house. Life and property are safe, and even the lives and property of the entire building are safe. As a well-known central enterprise, China Construction Third Bureau should bravely shoulder social responsibilities, uphold integrity construction and quality first, and build high-quality, high-quality construction projects for ordinary people, rather than “worry people†projects with many quality problems. At the same time, due to the quality problems that should not have appeared in the construction process of the China Construction Third Bureau, it not only caused troubles for the homeowners, but also damaged the corporate brand image of China Merchants Property and Vanke Real Estate. Housing enterprises are stuck in the "quality gate". The China Construction Third Bureau should actively face the solution and reflect on it. One of the state-owned enterprises should have the risk consciousness of "hidden danger is an accident".
(Original title: Vanke, China Merchants, China Construction, the third bureau of the same "quality door": the load-bearing wall can be used to smash the cement slag)
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