According to the requirements of the Notice issued by the General Office of Tianjin Municipal Committee and the General Office of Tianjin Municipal People's Government, from June 20 17 to March 20 18, all kinds of earthwork operations of construction projects, house demolition (demolition), cement mixing and pouring, road engineering, water conservancy engineering and other earthwork operations will be stopped within the built-up area of the city; Major livelihood projects, key projects, and key afforestation and greening projects all involve earthwork operations, and it is really impossible to stop work. After the application of the construction unit, the preliminary examination by the competent department of industry and the consent of the municipal government, the construction can be carried out. At present, municipal key construction projects, major popular projects and people's livelihood projects with quality and safety risks can apply for franchise construction.

? Construction projects that need to apply for franchise rights shall be submitted by the construction unit, reported to the competent department of industry for preliminary examination, verified by the Municipal Environmental Protection Bureau, and continued to be built after being approved by the municipal government. Specifically, it includes subway, water supply, heating and gas engineering.

All kinds of long-distance municipal, highway, road excavation and other linear projects will be fully constructed in sections. Each construction site is required to arrange the construction period and working procedure reasonably, so as to avoid problems such as tightening before loosening, and reduce repeated excavation construction. When the construction section is more than 200m, it should be constructed by sections, one section of construction, one section of excavation and one section of prevention and control to avoid exposure after excavation.

All kinds of construction projects within the city should be equipped with online monitoring and video monitoring systems for particulate matter. Linear engineering should be built in an all-round way in sections, and monitoring equipment should be rationally configured. Fully implement the six 100% governance standards of "enclosure around the construction site, covered stacking of bulk materials (muck), wet excavation, ground hardening at the construction site, washing of vehicles in and out, and closed transportation of muck vehicles". ?

According to the Notice of the Municipal Construction Committee on Strengthening the Management of Non-road Mobile Machinery on the Construction Site, all kinds of construction projects in this city must obtain the certificate of environmental protection testing of exhaust emissions before entering the construction site.

In order to properly cope with the heavy polluted weather during the comprehensive control of air pollution in autumn and winter, according to the requirements of Emergency Plan for Heavy Polluted Weather in Tianjin (Zheng Jin Office Letter [2065 438+07] 107), when the early warning of heavy polluted weather is yellow (Grade III) or above, the demolition site with certificates must strictly implement the response measures, stop all demolition construction and muck transportation activities, and stop using it.