Construction qualifications are divided into three categories, namely, construction general contracting qualification, professional contracting qualification and construction labor subcontracting qualification, as follows:
1. There are twelve qualifications in this category. Except for communication engineering and mechanical and electrical engineering, which have no special qualification and only three grades, there are four grades in the other ten categories, namely, special, first, second and third grades. Including construction general contracting qualification, highway engineering construction general contracting qualification, railway engineering construction general contracting qualification, port and waterway engineering construction general contracting qualification, water conservancy and hydropower engineering construction general contracting qualification, power engineering construction general contracting qualification, mine engineering construction general contracting qualification, metallurgical engineering construction general contracting qualification, petrochemical engineering construction general contracting qualification, municipal public engineering construction general contracting qualification, communication engineering construction general contracting qualification and electromechanical engineering construction general contracting qualification.
2. Professional contracting qualifications After the reform of 20 17, there are 36 categories of professional contracting qualifications, some of which are divided into three grades, some are divided into two grades, and some are not divided into grades.
3. There is no division of grades and categories for subcontracting qualification of construction services. This is a new standard after the qualification reform of 20 17, and there is only one category. Enterprises can undertake all kinds of labor services as long as they apply for the qualification of subcontracting construction services:
The structural construction stage includes: (earthwork excavation and backfilling are generally contracted separately, and if the structural team includes earthwork, white earthwork machinery and labor are required), steel reinforcement workers (backstage processing and foreground installation), formwork workers (backstage formwork assembly and foreground installation), concrete workers (commercial concrete is generally used, and mixing and transportation workers are required for on-site mixing), scaffolder workers (responsible for the erection of full-frame and external frames are generally contracted separately, and if they are included in the structural team, they need to be supplemented). The construction of secondary structure needs masonry workers, concrete workers, steel workers and formwork workers. There are also a number of hydropower maintenance workers and safe and civilized construction personnel under the management of the general contractor.
Decoration stage: Plaster workers, Plaster workers (floor tile, wall brick or stone), wood floor or anti-static floor installer, oiler (wall and ceiling paint), carpenter, ceiling installer, door and window processing installer (generally, only installers need to buy finished doors and windows, and individual special-shaped doors and windows need to be processed on site. Doors and windows glass is usually installed on site), painters (painting doors and windows and furniture on site), waterproof workers (waterproofing rooms with water such as toilet bath water and fire pool), exterior wall insulation workers and exterior wall painting and painting workers, curtain wall builders (installing glass curtain walls, metal curtain walls and stone curtain walls), and roofing builders (waterproofing workers, insulation workers, water and electricity installation coordinators and a large number of masons, if there are plates to be laid, they need to be laid).
Agency construction qualification: /jzzz/