This year, Beijing will build 200,000 square meters of 'sky gardens'. Reporters learned from the Bureau of Landscaping that half of them are green roofs. It is reported that this year the city will vigorously promote greening of public buildings such as shopping malls, hospitals and schools.
What kind of roof can 'plant trees'? Height less than 40 meters
Last year, this Municipality promulgated the "Opinions of the Beijing Municipal People's Government on Promoting the Three-dimensional Afforestation of Urban Space."
The opinions clearly stated that the buildings of public institutions, under the premise of meeting the building codes and meeting the safety requirements of the buildings, had less than 12 floors and newly-built and converted buildings (including podiums) and completed buildings with a height of less than 40 meters. For existing buildings less than 20 years old and roofs less than 15 degrees, roof greening should be implemented.
6 Roof area with a height of less than 40 meters in the urban area (24.417 million square meters in total)
Area of ​​the Fifth Ring Road in the Administrative District Roof area outside the Fifth Ring Road
Dongcheng District, 2185389.3 0
Xicheng District 1627268.7 0
Chaoyang District 5884783477 775286.6235
Haidian District 5426502.915 935042.585
Fengtai District 5881247.192 7934.008
Shijingshan District 476962.0802 1216590.52
Unit: square meter
Who is 'pioneer'? Mall schools push hard
The relevant person in charge of the Landscaping Bureau told the reporter that this year, the city will vigorously promote the greening of public buildings such as shopping malls, hospitals and schools. 'Because the public buildings themselves are constructed by the government finances, the details of the property rights in the latter part of the period and the maintenance and management are guaranteed.' However, the residential buildings, especially the old ones, have diversified property rights and have no dedicated personnel. The greening results are not consolidating and it is difficult to carry out roof greening.
It is understood that this year's roof greening involves various districts and counties. Currently, districts and counties are conducting screening and screening of buildings under their jurisdiction. After the list is screened, greening will be carried out according to the order of the first and the latter.
How much is the cost? Lowest 150 yuan / square meter
According to Tan Tianying, head of the Beijing Roof Greening Association, the cost of roof greening is 150-500 yuan/m2, which is relatively low compared to the high cost of the current demolition and greening of 2 to 60,000 yuan/m2.
At the same time, President Tan told reporters that at present, the standard for planting in Beijing is that the static load on buildings with simple roof greening should be greater than or equal to 100kg/m2.
If you want to beautify the roof into a 'sky garden' and plant flowers and trees, the roof should reach a load of 350 to 400 kg/m2.
If it is the roof of a residential area that requires greening, the property owner, the owner of the building, etc., need to negotiate in many ways. After everyone agrees, they will consult the landscaping department again.
In addition, the relevant person in charge of the Landscaping Bureau said that if the citizens want to green their own roofs, they can call the garden department at both levels of the city. The garden department will provide free consultation and technical support to help the public ask experts and relevant departments to measure the weight of the roof load. , whether it meets safety standards.
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