"Super Tent" covers hundreds of millions of yuan in contaminated soil restoration projects

A few days ago, a white inflatable shed with an area of ​​20,000 square meters and a height of 36 meters appeared in the urban area of ​​Hangzhou, causing widespread concern. The reporter learned that the site of the inflatable shed was the original Hangzhou Pesticide Factory. To prevent the pungent odor from spreading during the treatment of heavy polluted soil, the construction party built this "super tent" to cover the polluted land.

The reporter arrived at the “super tent” on Xinfeng Road in Hangzhou on the afternoon of the 13th and discovered that the perimeter had been surrounded by construction isolation panels. A stimulating odor emerged and many people passed their noses quickly. A construction worker told the reporter that the original plant was a pesticide factory, so the taste was particularly heavy. This large “tent” was temporarily erected to “disinfect” the soil.

It is understood that since the relocation of the Hangzhou Pesticide Factory in 2009, it has been idle. Due to historical reasons, the soil of the plot was contaminated to a certain extent and emitted a pungent odor. In September 2012, the owner of the Hangzhou Industrial Assets Investment and Investment Group had started preparations for remediation of contaminated soil. However, due to the odor of the contaminated soil, affecting the lives of surrounding residents, the repair work was suspended.

According to Wu Jingyu, the project manager of Hangzhou Dadi Environmental Protection Engineering Co., Ltd., who was responsible for remediation and rehabilitation works, after they took over the remediation of contaminated soil, during the construction process, due to turning and excavating the soil, the odor was distributed, affecting the surrounding residents, and there were many complaints and the repair work could not be carried out. Had to stop work.

During the “May 1st” this year, the construction unit spent tens of millions of yuan to build this white inflatable shed on the parcel to cover the contaminated land in repairs, reduce the odour emission as much as possible, and adopted a deodorant spray in the sky. There are several ways to reduce the emission of irritating odors.

According to reports, the construction of a "super tent" is only the first step. Next, the construction party will construct the tent and repair the soil. Because the tent prevented the emission of odors, the gas concentration inside the tent was so high that you had to wear a gas mask to take protective measures.

According to the previous test results of the Hangzhou Municipal Solid Waste Management Center, the odorous components emitted from the plot are mainly toluene, xylene and methylene chloride, and the concentrations are not high.

The reporter noticed that there are some residential quarters around the plot, and there are four or five real estate projects under construction. The relevant sales advertisements have also been suspended.

According to another understanding, the soil remediation project has invested over 100 million yuan and has been under construction for more than a year. When it can be completed, there is no clear "timetable" for the construction party.

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