The units engaged in housing construction and municipal infrastructure projects shall completely stop using the prohibited construction processes, equipment and materials listed in the catalogue in the new projects after 9 months from the date of issuance of this announcement; After 6 months from the date of issuance of this announcement, new projects shall not use the restricted construction processes, equipment and materials listed in this catalogue within the restricted conditions and scope.
Post tensioned prestressed members shall not be used in the Prefabrication Yard of municipal engineering projects above class II.
Plain ended concrete drainage pipe (including reinforced concrete pipe).
It shall not be used for waterproof works near underground confined spaces, poorly ventilated spaces and flammable materials.
Hot melting process of asphalt waterproof coiled material (open fire construction).
Portal steel pipe support frame.
It shall not be used to erect a full load-bearing support system.
Manual hole digging technology for foundation piles.
It shall not be used under any of the following conditions: 1 The depth of foundation pit exceeds 3M; 2.
It shall not be used under any of the following conditions: 1 Front lifting point connection; 2.
connection of other lifting points: (1) direct connection of upper and lower steel structures (not passing through the concrete structure); (2) No movable hinge is used for connecting with the bottom basket; (3) The suspender is not provided with an outer protective sleeve.
Nine grid brick.
the air pollutants in the hole exceed the standard; 3.
Gantry and derrick material hoists.
area accessible to mechanical hole forming equipment.
Incandescent lamp, iodine tungsten lamp, halogen lamp.
the underground water level exceeds the height of foundation pit bottom plate.
It is hereby announced.
It shall not be used for lighting in production, office and living areas of the construction site.
It shall not be used for new construction and maintenance of squares, parking lots, pedestrian walkways and slow-moving lanes.
It shall not be used for construction projects of 25 meters and above.
The connection technology between the upper part of the bridge suspension casting cradle and the bottom basket precision rolled deformed steel suspender.
A total of 9 prohibited construction processes, equipment and materials simple fabrication of reinforcement protective layer cushion block process winch reinforcement straightening process facing brick cement mortar pasting process bamboo (wood) scaffold with alkali accelerator capping beam (tie beam) hydraulic jack without oil leakage safety device unloading formwork process hollow slab The complete catalogue of box girder air bag internal mold process sewage inspection well brick masonry process bridge suspension casting counterweight hanging basket equipment is as follows: attached with the original text: in order to prevent and resolve major accident hidden dangers of housing construction and municipal infrastructure projects, reduce construction safety risks, promote the housing and urban and rural construction industry to eliminate backward processes, equipment and materials, and improve the safety production level of housing construction and municipal infrastructure projects, In accordance with the regulations on the administration of work safety of construction projects and other relevant laws and regulations, the Ministry has organized and formulated the catalogue of elimination of construction processes, equipment and materials endangering production safety in housing construction and municipal infrastructure projects (the first batch) (hereinafter referred to as the catalogue), which is hereby promulgated.
Ministry of housing and urban rural development December 14, 2021..
Areas with one of the following conditions shall not be used: 1 Areas with abundant groundwater, weak soil layer, quicksand and other adverse geological conditions; 2.
From the official website of the Ministry of housing and urban rural development and building management on December 14, 2021, the catalogue of elimination of construction processes, equipment and materials endangering production safety in housing construction and municipal infrastructure projects (the first batch) issued by the Ministry of housing and urban rural development clearly states that after June 15, 2022, new projects shall not use the restricted construction processes, equipment and materials listed in the catalogue within the restricted conditions and scope.
In the non fixed professional prefabrication plant (yard) or reinforcement processing plant (yard), when connecting the reinforcement with a diameter greater than or equal to 22mm, the reinforcement flash butt welding process shall not be used.
Post tensioned prestressed members shall not be used in the Prefabrication Yard of municipal engineering projects above class II.
Construction technology of steel and wood support for pipe jacking shaft.
Smooth pavement panels (bricks) with poor anti-skid performance.
The competent departments of housing and urban rural development at all levels responsible for the supervision and administration of work safety shall, in accordance with the relevant provisions of the regulations on the administration of work safety of construction projects, supervise and inspect the implementation of this catalogue.
After September 15, 2022, the use of prohibited construction processes, equipment and materials listed in this catalogue in new projects will be completely stopped.
It shall not be used for municipal road works.
It shall not be used for buried drainage works for residential quarters, enterprises, institutions and municipal pipe networks.
Non numerical control duct grouting equipment.
There are 13 restricted construction processes, equipment and materials in total, and reinforcement flash butt welding process.
Non numerical control prestressed tensioning equipment.
