A hull fitter for assembling metal structures must know:
- name and purpose of plumbing and measuring tools and devices and their use;
- methods of refilling plumbing tools;
- techniques for performing simple and medium-complexity metalwork operations and the process of assembling simple and medium-complexity metal structures;
- devices and operating rules for lifting and transport devices, working and control instruments and devices;
- technological process, methods and techniques for assembling, adjusting, checking and straightening metal structures;
- a system of tolerances, fits and their designation on the drawings;
- properties, brands and range of materials and pipes used;
- methods of connecting parts for welding;
- rules and types of marking of assembled units;
- methods of marking places for installation of basic parts and assemblies of metal structures;
- structural design of devices used during assembly;
- methods of sharpening metalwork tools;
- state standards for the materials used;
- requirements for the work performed;
- rules for working with a gas cutter and electric welding machine;
- sequence and methods of assembly on assembly racks and on conductors-copiers;
- assortment and grades of steel;
- technical specifications for the assembly of complex metal structures;
- qualities and roughness parameters;
- the effect of heating metals (during welding) on their deformation;
- symbols of welds;
- methods of alignment of complex steel structures;
- installation rules and arrangement of lifting mechanisms and devices;
- methods for straightening complex metal structures in devices using templates and according to drawings;
- design and rules for setting up manual pneumatic machines;
- basics of labor legislation;
- internal labor regulations;
- rules of sanitary and personal hygiene;
- rules and regulations of labor protection, safety and fire protection;
- rules for using personal protective equipment;
- requirements for the quality of work (services) performed;
- requirements for the rational organization of labor in the workplace;
- types of defects and ways to prevent and eliminate them;
- production alarm.
Types of work
A hull fitter for assembling metal structures performs the following types of work:
3.1. Cylindrical tanks and vessels operating under pressure up to 30 MPa (up to 300 kgf/sq. cm) - assembly and hydraulic testing.
3.2. Parts made of sheet and strip steel - marking according to a template, editing.
3.3. Sheet steel parts - bending.
3.4. Parts made of high-quality steel of all profiles with a thickness of up to and over 6 mm - cutting, chopping.
3.5. Various parts - filing of free sizes, cutting at angles, drilling according to markings.
3.6. Small-sized casings - assembly.
3.7. Caps, lids, brushes, vessels, funnels, boxes, cabinets of all sizes - preparation, straightening and assembly of parts for welding.
3.8. Sheet and profile metal - drilling, cutting with guillotine and press shears, joining for welding.
3.9. Strip and twisted metal - bending and cleaning after gas cutting.
3.10. Butt plates, stiffeners, temporary bolts - installation.
3.11. Supports and frames for devices - assembly.
3.12. Gaskets of simple and complex configurations made of sheet steel, cardboard, asbestos, clinoherite, rubber - cutting and cutting according to markings manually.
3.13. Staples made of material of different sections - flexible in the device.
3.14. Welded racks - assembled for welding.
3.15. Belt conveyors - assembly of metal structures.
3.16. Pipe fittings with flanges - assembly.
3.17. Metal cabinets and shelves - assembly.
3.18. Low pressure devices with detachable connections - assembly.
3.19. Oil tanks - manufacturing and assembly.
3.20. I-beams for monorails - assembly.
3.21. Baths of rolling equipment and oil gearboxes, pouring ladles of various capacities - assembly for welding.
3.22. Manifold insulation - manufacturing and assembly of parts.
3.23. Plate and overhead conveyors - assembly of metal structures.
3.24. Door and window frames and metal doors with a rigid frame - assembly.
3.25. Counterweight housings are assembled for welding.
3.26. Stairs, platforms, purlins, bunker walls, decking, metal railings made of pipes and tees, brake sheets, fences, sliding supports, gratings - assembly.
3.27. Cylindrical and conical shells made of sheet metal - bending.
3.28. Settling tanks, measuring tanks, collection tanks - assembly.
3.29. Foundation slabs - assembly.
3.30. Louvre grilles, decking for openings, rod racks for fastening conductors, conductors for anchor bolts - assembly.
3.31. I-section rods - assembly of metal structures.
3.32. Trusses - assembly according to the copier.
3.33. A-shaped trusses for excavators - assembly of individual units.
3.34. Tanks of T-bar, box-shaped and lattice sections for load-bearing metal structures - assembly.
3.35. Mixer bands - assembly.
3.36. Mixing drums with internal spirals - assembly.
3.37. Cell shafts of disk vacuum filters made of high-alloy steel - assembly.
3.38. Auger screws - assembly.
3.39. Drilling derricks - assembly of individual parts of metal structures.
3.40. Gas tanks, air collectors and water separators - assembly.
3.41. Gas pipelines - assembly.
3.42. Turbine casing frames - assembly.
3.43. Frames and casings of industrial ovens and dryers - assembly.
3.44. Protective casings - assembly, installation.
3.45. Pipeline load-bearing bridge structures - assembly.
3.46. Conductors, copiers for farms - assembly.
3.47. Evaporator and condensate housings are assembled with spherical bottoms and fittings for welding.
3.48. Cranes with a lifting capacity of up to 100 tons - assembly of structures and individual components.
3.49. Monorails - assembly.
3.50. Lattice supports - assembly.
3.51. Welded dimensional tanks - assembly.
3.52. Ties and spacers - assembly.
3.53. Sections of nozzles of drying drums - assembly.
3.54. Crossbars - assembled for welding.
3.55. Half-timbering - assembly of purlins and elements.
3.56. Refrigerators and inclined machines of blast furnaces - manufacturing and assembly.
3.57. Cabinets and drawers (waterproof) - assembly.
3.58. Electric blowers and turbo blowers - assembly.
3.59. Elements