RATE A
| 1. | Moulding and/or coremaking (n.e.s.). |
Moulds made by Rate A employees may include hand or machine-made cores made by Rate A1 and Rate AA employees: Provided that the coring up and/or corelaying and/or closing of the mould is done by a Rate A employee.
RATE A1
| 1. | Moulding by machine and/or by hand by special application to the job (n.e.s.). |
‘Special application to the job’ means the utilisation of purpose-made moulding boxes having machined pins and drilled lug holes and adapted to the moulding machine and purpose-made plate patterns, so constructed that the patterns, ingates and runners other than downgates are mounted and fixed to the plates or are an integral part of the plates and includes plate moulding.
Moulds made by Rate Al employees may include machine-made cores made by Rate AA, Rate AB or Rate B employees: Provided that the coring up and/or corelaying and the closing of the mould is done by Rate A1 employees.
| 2. | Coremaking by hand and/or by machines (n.e.s.). |
| 3. | Moulding and/or coremaking by hand/machine where the moulds/cores are cured in the box and/or loose frames and where the area of the pattern plate in contact with the mould exceeds 1,5 m² and where the pattern plates are so constructed that the patterns, ingates and runners, other than downgates, are mounted and fixed to the plates or are an integral part of the plates and includes plate moulding (n.e.s.). |
Note: Wage rates applicable to Rate A1 to be the same as Rate A above.
RATE AA
1. Moulding by machine and/or by hand by special application to the job (n.e.s.).
‘Special application to the job’ means the utilisation of purpose-made moulding boxes (such moulding boxes not to exceed an internal area of 1 m² in contact with the pattern plate where the cope and drag make a complete mould) having machined pins and drilled lug holes and adapted to the moulding machine and purpose-made plate patterns, so constructed that the patterns, ingates and runners other than downgates are mounted and fixed to the plates or are an integral part of the plates, and includes plate moulding and the use of boxes of an internal area exceeding 1 m² in contact with the pattern plate in respect of the production of agricultural and irrigation parts, sewerage pipes and/or sewerage fittings, stoves and wheels for rolling stock; and shall include the use of multiple patterns for moulds made in moulding boxes exceeding an internal area of 1 m² in contact with the pattern plate and where no one casting would exceed 1 m² in area.
| 2. | Coremaking by machine (n.e.s.) and/or by hand not exceeding core sizes capable of being inserted into moulds made in boxes not exceeding the limitation specified in 3 above. |
| 3. | Moulding and/or coremaking by hand/machine where the moulds/cores are cured in the box and/or loose frames and where the area of the pattern plate in contact with the mould exceeds 1 m² but does not exceed 1,5 m² and where pattern plates are so constructed that the patterns, ingates and runners, other than downgates, are mounted and fixed to the plates or are an integral part of the plates and includes plate moulding (n.e.s.). |
| 4. | Supervising spin-casting machines where sand is included. |
| 5. | Teeming of castings in steel foundries. |
RATE AB
| 1. | Moulding by machine by special application to the job and including the operation of fully automatic moulding machines. |
| 2. | Coremaking by machine, including the operation of fully automatic coremaking machines (n.e.s.) cores capable of being inserted into moulds made in boxes not exceeding the dimensions specified hereunder. |
Repetition operation limited to the use of boxes of an internal area not exceeding 0,7 m² in contact with pattern plate where the cope and drag make the complete mould.
For the purposes of work classified at Rate AB above, ‘special application to the job’ means the utilisation of purpose-made moulding boxes having machined pins and drilled lug holes and adapted to the moulding machine and purpose-made plate patterns so constructed that the patterns, ingates and runners other than downgates are mounted and fixed to the plates or are an integral part of the plates, and includes plate moulding.
| 3. | Moulding by hand/machine where the moulds are cured in the box and/or loose frames and where the area of the pattern plate in contact with the mould does not exceed 1 m² and where the pattern plates are so constructed that the patterns, ingates and runners, other than downgates, are mounted and fixed to the plates or are an integral part of the plates and includes plate moulding (n.e.s.). |
| 4. | Coremaking by hand/machine where the cores are cured in the box and/or loose frames for insertion into moulds made in moulding boxes of an integral area exceeding 0,7 m² but not exceeding 1 m² when the mould was in contact with the pattern plate. |
RATE B
| 1. | Corelaying (n.e.s.) — laying of cores into moulds made in moulding boxes of an internal area not exceeding 1 m² when the mould was in contact with the pattern plate. |
| 2. | Coremaking by hand/machine where the cores are cured in the box and/or loose frames for insertion into moulds made in moulding boxes of an internal area not exceeding 0,7 m² when the mould was in contact with the pattern plate. |
| 3. | Supervising of melting and/or smelting operations (other than in steel works). |
| 4. | Welding defective castings (n.e.s.). |
For the purposes of the above, a defective casting is a casting which becomes defective through the process of moulding and/or casting and/or fettling.
RATE C
| 1. | Supervising operations of die-casting and/or spin-casting machines where sand is excluded. |
RATE D
| 1. | Application of refractory coatings to cores and/or moulds by dipping and/or spraying only. |
| 2. | Arc and/or gas cutting by hand (n.e.s.). |
| 3. | Filling of visible blow holes only by means of welding and where no preparation is necessary prior to welding. |
| 5. | Rubbing-off of machine-made hardened core fins, including patching and inspection. |
| 6. | Supervising annealing heat treatment furnace. |
| 7. | Supervising cupola attendants. |
RATE DDD
| 1. | Making of exothermic sleeves and/or feeding pads. |
| 2. | Making of runner cups (n.e.s.). |
RATE E
| 1. | Bending and/or shaping of core irons other than moulding of core irons. |
| 2. | Operating carbon electrode arc air machine for fettling. |
| 3. | Attending sand plant, under supervision. |
RATE G
| 1. | Affixing slings (employees exclusively so employed) under the direct supervision of a Rate A, A I, AA or AB employee. |
| 2. | Cupola patching, i.e. repairing of the inner lining of cupolas in the area between the base and the top of the melting zone. |
| 3. | Fettling and/or dressing operations by hand and/or machine. |
| 4. | Making of runner and/or riser loose collar cups by special-purpose machine, excluding core-making machines and excluding the placing of the cup on the mould. |
| 5. | Operating cupola automatic and/or semi-automatic hoist. |
| 6. | Operating pressure die-casting machine and/or spincasting machine, excluding setting up. |
| 7. | Polishing and/or buffing. |
| 8. | Pouring and/or casting: |
| (a) | Hand shank pouring and/or casting under supervision, where metal contents of the ladle do not exceed 1 00 kilograms; |
| (b) | pouring and/or casting from ladles strung from fixed overhead rails under supervision, excluding cranes; |
| (c) | pouring and/or casting of metal into permanent metal mould, including coating of the metal mould where no sand is used and there are no sand inclusions. |
| 9. | Removal of fins from machine-made hardened cores only by hand rubbing and/or the use of abrasives and/or files, excluding patching. |
| 10. | Repetition arc and/or gas cutting-off of runners, and/or risers (for castings which are produced on a quantity production basis). |
| 11. | Repetition inserting of metal cores into metal moulds, using fixed locating devices. |
| 12. | Sand and/or shot and/or hydro blasting. |
RATE H
| 1. | Closing of moulding boxes fitted with self-locating pins under supervision (moulds made by a Rate AI, AA or Rate AB employee). |
| 2. | Placing of down-gates and/or risers where definite locating devices are employed and so constructed as to ensure that down-gates and/or risers are selfsupporting. |
Locating devices protruding above the pattern plate shall be not less than 50 mm in height and not less than 25 mm in depth when the device is below the level of the pattern plate.
| 3. | Placing of loose pieces and/or chills and/or screws and/or cores on the pattern where definite locating devices are employed for the positioning of same prior to the sand being added to the box, under supervision, excluding tucking. |
| 4. | Tightening of clamps, including the use of spacing wedges under direct supervision of the Rate A employee who made the job or a Rate A employee appointed to core up and/or to close the mould. |
| 5. | Tightening of purpose-made clamps under supervision, excluding the use of spacing wedges (moulds made by a Rate Al, AA or AB employee). |
| 6. | Torch drying of moulds and/or cores under direct instruction of a Rate A, Al, AA or Rate AB employee. |
| 7. | General labourer’s work, including the following: |
Assembling of special-purpose moulding boxes under supervision;
knockout operation;
stacking (but excluding cleaning, dressing and fin removal and patching) and/or transporting and/or carrying away of cores other than by crane, under supervision;
scraping off of moulding boxes, including the use of the straight edge;
scrap cutting for re-melting purposes other than in workshop;
and including the following operations in shell moulding and/or coremaking:
Backing up.
Closing of biscuits under supervision.
Investing.
Placing of plates in oven.
Removing of plates from oven.
Turning of dump boxes.
For the purposes of this Division—
| (a) | ‘coremaking by machine’ includes one or more of the following operations in regard to a coremaking machine: Operating, attending, starting, stopping, stripping, unloading of core; |
| (b) | ‘dressing’ or ‘fettling’ means the stripping and removal of adherent runners and risers and adherent sand and cores, flash and other surplus metal from a casting and the production of a reasonably clean smooth surface, but does not include— |
| (i) | the removal of metal from a casting when performed incidentally in connection with the machining or assembling of castings after they have been dressed or fettled; or |
| (ii) | any operation which is a knock-out operation; and |
| (c) | ‘knock-out operations’ means all methods of removing castings from moulds and the following operations when done in connection therewith, namely stripping, removal of cores and the removal of runners and risers (n.e.s.). |
| (d) | ‘moulding’ or ‘coremaking’ as provided for in this Division at Rates A, Al, AA, AB or B shall include the application of any liquid parting agents; |
| (e) | ‘moulding by machine’ includes one or more of the following operations in regard to a moulding machine: Operating, attending, starting, compacting, vibrating, stripping, stopping; |
| (f) | ‘supervision’ means that the operation to be supervised must be performed in the vicinity of a Rate A, Al, AA and AB employee or chargehand or person specifically so appointed to exercise the supervision, so that the person who has to exercise the supervision is able to sight the operation in question. |
