This following operations in the manufacture of tubes and/or pipes and/or flanges and/or accessories (excluding valves), viz.:
RATE AA
| 1. | Assembly of pre-manufactured components from stock, where fitting is required. |
| 2. | Hand bending of tubes (n.e.s.): |
First six months of experience
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Rate B
|
Thereafter
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Rate AA
|
‘Marking out’ means the marking out with instruments of the centres and working lines of articles and/or material preparatory to machining and/or processing and/or fabricating.
| 4. | Reconditioning of mandrel bars and/or press punches. |
| 5. | Reconditioning and radiusing of reducing mill and/or push bench rolls on machine specially designed therefore. |
| 6. | Repetition polishing of draw dies on machine specially designed therefore and using gauges, vernier scales and micrometers. |
| 7. | Rough grinding of push bench dies in machines specially designed therefore and using vernier scales. |
‘Setting out’ means the setting out of work on the floor or on the bench to sketch and/or drawings and/or dimensions.
| 9. | Setting up and setting out on cold tube bending machines |
RATE B
| 1. | Attending continuous tube welding plant, including roll changing and/or setting and/or grinding and/or scarfing and/or parting tools (n.e.s.). |
| 2. | Attending ring bed, using vernier scales and including roll changing. |
| 3. | Tube and/or pipe inspection including the use of precision measuring instruments (n.e.s.). |
Learnership for Rate B operations and supervisory work:
First six months of experience.......................................
|
Rate C
|
Thereafter....................................................................
|
Rate B
|
RATE C
| 1. | Annealing boiler tubes (supervisory work). |
| 2. | Attending pumphouse (employees employed as pumphouse attendants). |
| 3. | Billet heating furnace supervisor. |
| 4. | Case and/or tool hardening and/or heat treatment (supervisory work). |
| 5. | Non-ferrous smelting and/or melting (chargehand and/or supervisory work). |
| 6. | Push bench driving under supervisor. |
| 7. | Repetition metal spinning as applied to tubular products (n.e.s.). |
| 8. | Supervision of weld inspection (n.e.s.) of pipes and/or fittings. |
| 9. | Supervisory work (draw bench), using precision measuring instruments. |
| 10. | Supervisory work (drop hammer, including tool changing). |
| 11. | Supervisory work (hydraulic presses), including tool changing. |
| 12. | Supervisory work (reducing mills), including roll changing. |
| 13. | Supervisory work-supervising operations classified below Rate C. |
| 14. | Supervising strip slitting plant, including blade changing and/or spacing of blades. |
RATE D
| 1. | Acid recovery plant supervisor. |
| 2. | Assembling by means of jigs and/or templets (n.e.s.). |
| 3. | Assembling of expansion joints for hydraulic testing. |
| 4. | Assistant supervisory work in respect of the following plants and/or operations: |
| (a) | Billet furnace heating. |
| (b) | Butt welding of flange collars and/or metal sections by machine. |
| (c) | Continuous tube welding machines, including positioning of stops on cut-off equipment. |
| (d) | Dipping of steel pipes in hot or cold bitumastic solution. |
| (e) | Draw and/or push bench. |
| (f) | External sheathing of steel pipes with hot bitumastic coating, including changing of sheathing ends. |
| (i) | Hydraulic and/or mechanical press work and/or roll forming of pipe ends and/or collar type joints. |
| (j) | Hydraulic testing machine work including changing of test ends. |
| (k) | Preparation of pipes for welding by means of pneumatic tools. |
| (m) | Screwing and/or cutting tubes and/or tapping of tube fittings (including mounting of dies and/or cutters and/or stops during size changeover). |
| (n) | Spun lining with bitumen, including changing of lining ends. |
| (o) | Spun lining with concrete. |
| (q) | Tube straightening machine. |
| 5. | Bending of tubes in manually and/or power operated machines to sketch, other than marking out and setting out. |
| 6. | Effluent disposal plant supervisor. |
| 7. | Finishing the run of seam welds in pipe or tube manufactured on continuous automatic gas and/or electric welding machine prior to ultrasonic and/or X-ray inspection. |
| 8. | Operating flanged pipe facing machine (excluding setting up). |
| 9. | Operating hydraulic tube expanding machine, including checking. |
| 10. | Operating plate edge planing machine (excluding setting up, but including the positioning of stops). |
| 11. | Operating repetitive and/or continuous automatic welding machines, including adjustment owing to voltage variation. |
| 12. | Operating continuous semi-automatic gas shielded and/or flux cored wire arc welding machine, excluding setting up. |
| 13. | Operating single and/or double-head oxyacetylene profiling machine and/or single and/or multi-head straight line cutting machine, including setting up. |
| 14. | Punching and/or shearing and/or cropping to jigs and/or stops. |
| 15. | Repetition forming of plates and/or strips and/or bars and/or sections in rolls and/or press-brake. |
| 16. | Tool grinding in jigs, excluding tool room. |
| 17. | Setting up of bevelling and/or facing machines, including mounting cutters and setting of stops (tubes and/or pipes only). |
| 18. | Supervising semi-automatic tube spraying plant (paint and/or lacquer and/or oil), including varying of speed and/or adjusting of nozzles and/or temperature. |
RATE DD
| 1. | Assisting Rate AA employee by repetition hand dressing of bends not exceeding 150 mm nominal bore. |
| 2. | Attending fully automatic saw sharpening machine, excluding setting up, including loading, starting, stopping and unloading the machine. |
RATE DDD
| 1. | Adjusting welding head on spiral tube machine to follow line of seam. |
| 2. | Repetition operation of an automatic submerged arc welding machine where the operations are confined to loading, positioning the head, starting, stopping and unloading the machine, excluding setting up. |
RATE E
| 1. | Metal spraying for anti-corrosive purposes. |
| 2. | Repetition operation of weld test equipment under supervision of a Rate C supervisor. |
RATE F
| 1. | Repetition drilling and/or countersinking to jigs and/or stops and/or fixtures and/or popmarks. |
| 2. | *Repetition operation of or attending semi-automatic machines where the work cycle is power driven and the end point is controlled by automatically operating stops (excluding setting up), but including the use of fixed gauges. |
*For the purposes of the above, ‘semi-automatic machine’ is a machine on which it is not necessary to centralise or true the work by hand and where the manual operations are limited to loading the workpiece into the chuck or holding device of the machine, setting the machine in motion, advancing or retracting tools before and after the power cycle takes over and stopping and unloading the machine.
| 3. | Repetition operation of or attending semi-automatic or special purpose machine for machining of flanges and/or sockets and/or stub ends, including the use of fixed gauges. |
RATE G
| 1. | Assembling of pre-manufactured components from stock requiring no fitting or adjustment, but including deburring. |
| 2. | Assisting in heat treatment of welded joints. |
| 3. | Assisting in hot and/or cold forming of flat bars into flanges and/or rings, including hand peak trueing, but excluding setting up. |
| 5. | Feeding cold draw bench, including removing, cleaning and replacing of dies, including the use of fixed gauges. |
| 6. | Hand buffing and/or polishing of tungsten carbide dies, using wooden sticks and paste, excluding sizing. |
| 7. | Hydraulic and/or pneumatic and/or mechanical staving. |
| 8. | Operating flux coating machine. |
| 9. | Operating mandrel bar extractor. |
| 10. | Operating mandrel bar tunnel. |
| 11. | Operating mandrel bar turntable. |
| 12. | Operating a power-driven cone plate stretching machine manually. |
| 13. | Operating pipe lining machine under instruction of a Rate A to D employee. |
| 14. | Operating pipe wrapping machine under instruction of a Rate A to D employee. |
| 15. | Operating power saw for repetitive cutting off to stops and/or length gauges. |
| 16. | Operating reeling mill. |
| 17. | Operating seam forming machine. |
| 18. | Operating tagger hammer. |
| 19. | Operating tube cutting machine, excluding setting up. |
| 21. | Piercing press work using pre-set dies. |
| 22. | Preparation of pipes for patching by means of pneumatic and/or hand tools. |
| 23. | Repetition bevelling and/or facing of pipe ends. |
| 24. | Repetition boring and/or bevelling and/or facing and/or trepanning of flanges and/or sockets, excluding setting up. |
| 25. | Repetition expanding of flanges. |
| 26. | Repetition marking of material to jigs and/or templets with the aid of a templet and scriber or marking material. |
| 27. | Repetition operating cold bending machine where the machine is set up by a Rate AA to D employee. |
| 28. | Repetition reaming using non-adjustable reamers. |
| 29. | Repetition screwing and/or cutting of pipes and/or tubes with die-heads and/or taps and/or cutters by machine, including the mounting of screwing and/or cutter heads, including the use of fixed gauges, excluding resetting and/or size changing. |
| 30. | Rounding of pipe ends and/or sections to gauges. |
| 31. | Screeding in the application of bitumastic sheathing. |
| 32. | Setting sections on automatic submerged arc welding machine. |
| 33. | Skimming of non-ferrous billets, excluding setting up. |
| 34. | Attending strip bundling equipment. |
| 35. | Attending strip slitting plant, including machines for the uncoiling, levelling, shearing and recoiling of slit strips up to 10 mm thickness. |
RATE H
| 1. | Attending automatic straightening and/or rounding and/or reducing and/or extracting and/or reaming machine. |
| 2. | Draw bench operating (including the use of fixed gauges). |
| 3. | Dressing and/or deburring by hand and/or by grinding and/or by portable power tools for inspection. |
| 4. | Gasket cutting, using templets. |
| 5. | Hot stripping and punching of drop forgings. |
| 6. | Rough straightening of tubes. |
| 7. | Assisting the operator of a tacking machine. |
| 8. | Charging pots for the melting of bitumen. |
| 9. | Dismantling of assembly rings. |
| 11. | Metal coating by dipping and/or galvanising. |
| 12. | Opening and/or closing dies in socket forming. |
| 13. | Sand and/or shot blasting. |
| 14. | Striking by hand hammer for blacksmith’s work. |
