What majors are required for steel structure qualification?

The contracting qualification of steel structure engineering specialty is divided into Grade I, Grade II and Grade III.

Level 1 qualification standard:

1, enterprise assets

(1) The net assets are more than 30 million yuan.

(2) The workshop area is not less than 30,000 square meters.

2. Key personnel of the enterprise

(1) There shall be at least 8 first-class registered architects in construction engineering.

(2) The technical director has more than 10 years working experience in technical management of engineering construction, and has senior professional titles related to construction engineering; There are not less than 20 people with intermediate or above titles in structures, machinery, welding and other majors, and the majors are complete.

(3) There shall be no less than 30 construction site management personnel with certificates, and the builders, quality controllers, safety officers, materials controllers, cost controllers and librarians shall be complete.

(4) There shall be no less than 50 intermediate or above skilled workers such as welders, painters and crane signalmen who have passed the examination or training.

3, enterprise engineering performance

In recent five years, he has undertaken two types of steel structure projects in the following five categories, and the project quality is qualified.

(1) The height of steel structure is more than 80m.

(2) Single span of steel structure is more than 30m;

(3) The short side span of reticulated shell and grid structure is more than 70 meters;

(4) The construction area of single steel structure is more than 30,000 square meters;

(5) The weight of single steel structure engineering steel structure is more than 5000 tons.

4. Technical equipment

Has the following mechanical equipment:

(1) 3 cutting equipment (multi-head cutting machine or numerical control cutting machine or copying cutting machine or plasma cutting machine or intersecting cutting machine, etc.). );

(2) 3 sets of drilling equipment (more than 50 mm 3D CNC drilling machine or plane CNC drilling machine or radial drilling machine, etc. );

(3) No less than 2 end milling or locking machines;

(4) Ultrasonic flaw detector, paint film thickness gauge (wet and dry film) and other quality inspection equipment are complete.

Secondary qualification standard:

1, enterprise assets

(1) The net assets are greater than150,000 yuan.

(2) The workshop area shall not be less than15000m2.

2. Key personnel of the enterprise

(1) There shall be no less than 6 registered architects specializing in construction engineering.

(2) The technical director has more than 8 years experience in technical management of engineering construction, and has the senior title of construction engineering or the qualification of first-class registered construction engineer; There shall be no less than 10 persons with intermediate titles or above in structures, machinery, welding and other majors, with complete specialties.

(3) There shall be no less than 65,438+05 construction site management personnel with certificates, and the builder, quality engineer, safety officer, material engineer, cost engineer and documenter shall be complete.

(4) There shall be no less than 20 intermediate or above skilled workers such as welders, painters and crane signalmen who have passed the examination or training.

3, enterprise engineering performance

In the past five years, he has undertaken the following five types and two types of steel structure projects.

The engineering quality is qualified.

(1) Buildings with steel structures over 50m in height;

(2) steel structures with a single span of more than 24 meters;

(3) The short side span of reticulated shell and grid structure is more than 30m;

(4) The construction area of single steel structure is greater than 10000 square meters;

(5) The steel structure of single steel structure project weighs more than 2,000 tons.

4. Technical equipment

Has the following mechanical equipment:

(1) cutting equipment (multi-head cutting machine or numerical control cutting machine or copying cutting machine or plasma cutting machine or intersecting cutting machine, etc. ) 1;

(2) 1 drilling equipment (3D numerical control drilling machine or plane numerical control drilling machine or radial drilling machine above 50mm);

(3) Ultrasonic flaw detector, paint film thickness gauge (wet and dry film) and other quality inspection equipment are complete.

Level 3 qualification standard:

1, enterprise assets

The net assets are more than 5 million yuan.

2. Key personnel of the enterprise

(1) There shall be no less than 3 registered construction engineers in construction engineering.

(2) the technical director has more than 5 years of experience in technical management of engineering construction, and has the title of intermediate or above in engineering sequence or the qualification of registered construction engineer; There shall be no less than 6 persons with intermediate or above titles in structures, machinery, welding and other majors.

(3) There shall be no less than 8 construction site management personnel with certificates, and the builders, quality controllers, safety officers, materials controllers, cost controllers and librarians shall be complete.

(4) There shall be no less than 10 skilled workers with intermediate level or above, such as welders, painters and crane signalmen, who have passed the examination or training.

(5) The technical director (or registered construction engineer) shall preside over the completion of at least two engineering achievements required by the Class II and above standards of this category.

Scope of contracted works:

First-class enterprises:

Can undertake the construction of the following steel structures:

(1) The height of steel structure is more than 60m.

(2) Single span of steel structure is more than 30m;

(3) The short side span of reticulated shell and grid structure is more than 50m;

(4) The total weight of single steel structure engineering steel structure is more than 4,000 tons;

(5) The single building area is over 30,000 square meters.

Secondary enterprise:

Can undertake the construction of the following steel structures:

(1) The height of steel structure is below 100m;

(2) Single span of steel structure is less than 36m.

(3) The short side span of reticulated shell and grid structure is less than 75m.

(4) The total weight of a single steel structure project is less than 6000 tons;

(5) The single building area is less than 35,000 square meters.

Third-level enterprises:

Can undertake the construction of the following steel structures:

(1) The height of steel structure is below 60m;

(2) Single span of steel structure is less than 30m;

(3) The short side span of reticulated shell and grid structure is less than 33m;

(4) The total weight of a single steel structure project is less than 3,000 tons;

(5) The single building area is below15000m2.

Note: Steel structure engineering refers to the construction engineering in which the main load-bearing beams and columns of buildings or structures are made of steel and installed in the factory.