This occupation is present in a variety of sectors the place piping methods are used for fluid transport and strain containment. This can embody Engineering Development, Upkeep and Venture upgrades, Oil & Fuel (upstream extraction, bulk fluid transport & distribution, downstream processing), Chemical substances & Prescription drugs (manufacturing and course of plant); Energy Era (Thermal, Biomass & Nuclear); Meals, Dairy & Brewery Course of plant and tools; Water and Water therapy (processing, bulk transport & distribution and remediation); and Gasoline & Coolant methods for Transport Automobiles (Aerospace, Marine, Highway & Rail methods). Employers vary in measurement from small companies to multi-national organisations.

The broad function of the occupation is to manually weld tubes and pipes to excessive requirements of high quality and integrity utilizing a minimal of two guide arc welding processes from Tungsten Inert Fuel (TIG), Plasma Arc Welding (PAW), Guide Metallic Arc (MMA), Metallic Inert Fuel (MIG)/Metallic Energetic Fuel (MAG) and Flux Cored Arc Welding (FCAW). The occupation requires the pipe welding of a minimal of 4 materials teams from Carbon Metal, Low Alloy Metal, Excessive Alloy Ferritic/Martensitic Metal, Austenitic Stainless Metal, Nickel & Nickel Alloys, Aluminium & Aluminium alloys, Titanium & Titanium Alloys, Copper & Copper Alloys. Pipe welders should use all welding positions and three most important joint configurations from Single Sided Butt, Socket, Flange and Set-on Department welds. For instance, a pipe welder would possibly use Tungsten Inert Fuel (TIG) and Guide Metallic Arc (MMA) to affix Carbon Metal, Low Alloy Metal, Austenitic Stainless Metal and Nickel Alloy supplies. Every welding course of requiring considerably totally different welding tools, assemblies, controls, expertise and methods, and represents a person manufacturing course of. Every materials kind requires particular controls and methods to attain a passable weld. The ultimate parts being welded are sometimes utilized in extremely security essential functions for the motion and management of excessive temperature fluids, cryogenic fluids, extremely corrosive or flammable media, and are regulated by the Stress Gear Directive. Some piping methods are used within the processing of prescribed drugs, foods and drinks, the place welding and fabrication management of pipe bore cleanliness is important to the hygiene and integrity of the set up and high quality of products manufactured. Pipe Welders are required to repeatedly monitor and adapt their orientation to attain the standard of labor demanded by excessive integrity piping methods, necessitating important guide dexterity, and coordination. That is important to the UK economic system as Pipe Welders are key to the profitable fabrication, building and restore & upkeep of main infrastructure tasks. Pipe welders are required to work to detailed engineering specs essential to make sure secure & dependable operation of the completed pipe work system. Pipe welders help many employers within the building, engineering and manufacturing sectors. They are often employed by the availability chain organisations or the direct proprietor/operator.

Of their each day work, an worker on this occupation interacts with a variety of individuals and organisations together with Supervisors, Engineers, Pipe Fitters, Riggers, Shops Operatives, Welding Inspectors, Non-Damaging Technicians, High quality personnel, Insurance coverage Inspectors and related Technicians (e.g. Thermal Remedy, Non-Damaging Testing). Pipe welders’ work is recurrently assessed to make sure continued high quality of welding although visible inspection, non-destructive testing and pre-commissioning strain testing (hydraulic or pneumatic testing).They’ll work wherever on the earth and supply providers in a variety of demanding environments, together with working at peak, confined areas, on reside plant and tools. This might embody fabrication workshops, oil rigs, energy stations, course of plant services, on-board marine vessels. Pipe welders could must work shifts and versatile work patterns. They’ll work in organisations starting from multi-national organisations to very small companies.

An worker on this occupation shall be answerable for the protection, high quality, productiveness and accuracy of their very own work while guaranteeing it conforms to a related pipe welding specification. Guaranteeing the bore cleanliness is maintained to the necessities of the piping system to guarantee the integrity of the system, parts and product that may move throughout the accomplished pipe system. Pipe Welders can maintain a variety of tasks starting from working autonomously throughout their planning and manufacturing actions to being an built-in a part of a wider group engaged on the general pipework system, reporting to a office supervisor. This may range based mostly on the dimensions of organisation and sector during which they work.



Class a welder


Coded pipe welder


Pipe welder


Pipeline welder


Stress components welder

KSBs

Information


K1: The mechanical properties (power, ductility, toughness, and so forth.), bodily properties (dimensions, weight, corrosion susceptibility, contamination) of generally welded supplies.
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K2: The fundamentals of welding metallurgy (Weld Metallic Solidification and Warmth Affected Zone) and the way this may impacts weldability of supplies and remaining joint integrity
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K3: The widespread guide arc welding processes and the relative deserves for a given utility together with Tungsten Inert Fuel (TIG), Guide Metallic Arc (MMA), Plasma Arc Welding (PAW), Metallic Inert Fuel (MIG), Metallic Energetic Fuel (MAG), Flux Cored Arc Welding (FCAW)
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K4: Pipe and tube weld joint varieties (Butt, Socket, Set-on Department, Set-In Department, Set-By means of Department, Flange) and the relative deserves of the a number of preparation varieties (e.g. J-, V-, U- and double/triple compound angles) and their impact on pre-welding pipe preparation occasions, weld shrinkage, restrictive entry to the pipe weld preparation, welding method to be adopted and danger of inflicting defects throughout welding manufacturing.
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K5: The welding positions and development instructions related to welding pipe e.g. Rotated Pipe; Horizontal – Mounted Vertical Pipe; Vertical Weld – Mounted Horizontal Pipe (both upward or downward development); Inclined – Mounted 45 diploma Pipe Overhead (both upward or downward development).
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K6: Pipe bore contamination and the way weld root profile impacts product efficiency in service (corrosion, erosion, move restriction, post-weld conditioning therapies, product contamination (e.g. meals, beverage, pharmaceutical) or harm to different parts throughout the piping system (e.g. valves/generators)
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K7: Welding controls to set up and preserve the key main parameters related with the welding course of (e.g. Present, Arc  Voltage, Wire Feed Pace, Shielding Fuel Circulation Charges, Electrode Polarity and so forth.)
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K8: The most important parts of welding tools, ancillary tools, cabling and their meeting, together with Energy Supply, Wire Feed System, TIG & PAW Arc Initiation Techniques, interconnecting communications cables, torches, tongs, gasoline tools and so forth.
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K9: Purging methods and damming mechanisms, together with their relative deserves and limitations, finding relative to the weld and subsequent removing from the piping system (e.g. dams, bungs, foams, ashless paper, soluble movies and so forth.)
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K10: Purging gasoline choice and its relative deserves for a given materials and weld location/orientation inside a piping system, contemplating its buoyancy, leakage path, danger of asphyxiation, response with the molten weld pool and potential impact on weld steel properties.
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K11: The relative deserves of purge gasoline injection into the bore to think about the route of gasoline provide, orifice diameter, quantity to be purged, move price, acceptable oxygen ranges, turbulence results, ready time to attain specified ranges and set off level for withdrawal of purge safety from pipe bore
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K12: Flux based mostly bore aspect root safety mechanisms (bore aspect fluxes, pastes, flux-carrying consumables corresponding to flux coated and flux-cored rod inventory (e.g. MMA, TIG, FCAW and so forth.), deoxidants inside strong wires) and their relative deserves, limitations and dangers (submit weld conditioning processes, overseas materials exclusion necessities, product media contamination, downstream part degradation).
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K13: Welding Process Specification necessities, content material and info derived to ascertain particular manufacturing info
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K14: Welder Approval Certificates content material and definitions to decide scope of protection
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K15: Mechanisms to measure, monitor and management secondary welding parameters (e.g.  Bore Cleanliness, Bore aspect Oxidation, Warmth Enter, Interpass Temperature), linear shrinkage
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K16: Identification and the causes of typical welding defects and the way their prevalence will be lowered.
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K17: Differing kinds and capabilities of welding consumables and the requirement for proper identification, storage, conditioning, dealing with and recycling or disposal.
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K18: The necessities for appropriate storage, dealing with and segregation of supplies and tooling to stop cross contamination between delicate supplies
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K19: When and how to use materials removing processes (powered and non‐powered instruments)
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K20: Supporting actions typically offered by others and should be checked to make sure the profitable manufacturing of pipe welding actions (bore alignment, ovality, bore contamination, becoming, purging, thermal therapy).
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K21: Welding high quality documentation, organisational reporting methods, procedures and their position throughout the total high quality course of
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K22: Efficiency success components in manufacturing, inspection reporting, productiveness, bore cleanliness/contamination and so forth.
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K23: Dangers and mitigation measures related with welding and the working atmosphere, and the organisational danger administration processes
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K24: Statutory, high quality, organisational and well being, security and environmental rules
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K25: Typical issues that could come up inside their regular work actions/atmosphere
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K26: Organisational methods to regulate and administer permitted processes, procedures, documentation and the potential implications for the organisation if not adopted.
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K27: Steady enchancment processes, efficiency assessment and the way that is undertaken inside their organisation.
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K28: Non-destructive testing experiences and radiographs together with identification of explicit defect varieties and the related enhancements to course of and methods wanted to forestall recurrence
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Expertise


S1: Work safely at all occasions, comply with well being & security and environmental laws, rules and organisational necessities
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S2: Get hold of, verify and use applicable documentation (such as job directions, drawings, high quality management documentation)
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S3: Plan all preparatory duties and interfaces and pipe welding exercise, earlier than commencing work
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S4: Get hold of, place and assemble welding tools and related security safety wanted for every exercise
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S5: Put together, verify and defend supplies and work areas prepared for welding
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S6: Examine the meeting to be welded and undertake remedial work to comply with specification, or implement high quality steps if rejected
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S7: Obtain, examine, situation and preserve consumables
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S8: Set, check, and monitor key welding parameters as detailed throughout the Welding Process Specification and modify as essential to accommodate altering orientation because the weld progresses across the pipe joint.
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S9: Set-up purge safety throughout the pipe bore and affiliate monitoring strategies
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S10: Set-up bore aspect safety controls to keep away from overseas materials ingress into the pipe bore
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S11: Take away supplies utilizing guide processes, together with powered and non-powered tools
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S12: Obtain a high quality of labor to satisfy worldwide requirements e.g. ISO 5817, ISO 9606, ASME IX, ASME B31.3 for dimensional, floor inspection (e.g. Visible, Magnetic Particle, Dye Penetrant) and volumetric inspection (e.g. Radiography, Ultrasonic inspection, together with Time of Flight and Phased Array strategies).
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S13: Monitor weld high quality and dimensions all through welding exercise and on completion of welding and report any points via organisational manufacturing / high quality management course of previous to launch for formal examination by others
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S14: Restore the work space on completion of the exercise and the place relevant return any sources and consumables to the applicable location
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S15: Deal promptly and successfully with issues inside the limits of their duty utilizing permitted diagnostic strategies and methods
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S16: Full any required documentation utilizing the outlined recording methods at the applicable levels of the work exercise
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S17: Produce pipe welds utilizing two welding processes from TIG, PAW, MMA, MIG/MAG, FCAW
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S18: Produce pipe welds utilizing 4 materials teams from Carbon Metal, Low Alloy Metal, Excessive Alloy Ferritic/Martensitic Metal, Austenitic Stainless Metal, Nickel & Nickel Alloys, Aluminium & Aluminium alloys, Titanium & Titanium Alloys, Copper & Copper Alloys
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S19: Produce pipe welds protecting ALL outlined pipe welding positions. These are Flat – Rotated Pipe; Horizontal – Mounted Vertical Pipe; Vertical Weld – Mounted Horizontal Pipe (both upward or downward development); Inclined – Mounted 45 diploma Pipe Overhead (both upward or downward development)
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S20: Produce pipe welds in 3 most important joint configurations from Single Sided Butt, Socket, Flange and Set-on Department.
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S21: Produce pipe welds in by frequently adjusting the orientation of the welder, welding torch, and welding consumable filler, together with restricted entry situations
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S22: Produce pipe welds in restricted entry situations by welding with each left and proper palms (e.g. boiler tube bundles, proximity of different plant and tools, restricted entry areas, welds situated with restricted visibility of the weld joint)
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Behaviours


B1: Takes duty for decision-making, with out autonomy and throughout the tips of the work instruction, for his or her office, the applying of welding processes, and for his or her productiveness
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B2: Enquires and seeks steering, in an effort to perceive the processes and related industrial functions.
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B3: Dedicated to sustaining competence via Persevering with Skilled Improvement planning, preparation and reflection to make sure security, high quality and manufacturing and guaranteeing Persevering with Skilled Improvement targets are achieved.
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B4: Intervene and problem poor follow and trust to channel suggestions to the suitable authorities to implement change.
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B5: Persistently and reliably ship expectations in security, manufacturing, high quality, ethics and self-development
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B6: Encourages and helps the event of others and completes level of labor danger assessments.
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B7: Follows the required procedures and controls and be personally accountable and accountable for his or her manufacturing work and private growth
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B8: Replicate on present and previous efficiency and supply info and proposals for steady enhancements in effectivity and effectiveness of working practices, and coaching and growth necessities
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