Elements and Performance Criteria
- Plan and prepare.
- Work instructions and operational details are obtained using relevant information, confirmed and applied for planning and preparation purposes.
- Safety (OHS) requirements are followed in accordance with safety plans and policies.
- Signage and barricade requirements are identified and implemented.
- Tools and equipment selected to carry out tasks are consistent with job requirements, checked for serviceability and any faults are rectified or reported prior to commencement.
- Material quantity requirements are calculated in accordance with plans, specifications and quality requirements.
- Materials appropriate to the work application are identified, obtained, prepared, safely handled and located ready for use.
- Environmental requirements are identified for the project in accordance with environmental plans and statutory and regulatory authority requirements, and are applied.
- Operate stone machining equipment.
- Stone machining equipment is selected for the machining operation required and safely started up and shut down to standard operating procedures in accordance with manufacturer specifications.
- Materials and safety guards are correctly positioned, fitted and used to designed applications.
- Stone machining equipment is operated, monitored and adjusted to achieve specified size, shape and finish.
- Measurements and tolerances are checked for consistency with job requirements and specifications.
- Operate static diamond saw.
- Stone is located on movable table aligned with saw blade in accordance with designed cut.
- Stone is fixed or secured into position on table by use of wedges or nailed timber sections to provide stability for sawing.
- Cutting blade is adjusted for depth of first cut in accordance with type of blade, hardness of stone and safety considerations of operator and other persons.
- Water is turned on for operating of machine and saw is started up and operated in accordance with manufacturer's safe working and operating procedures.
- Stone is moved by table movement so that blade cutting is at efficient rate without affecting designed operating revolutions of machine.
- Additional cuts are made by lowering saw after each cut and then cutting on return movement of table, until complete.
- Operate travelling beam saw.
- Stone is located on adjustable table and fixed into stable position, and table is adjusted to align designed cut with saw blade.
- Settings for operation are carried out on a digital panel designed for length of stone as well as width of blade.
- Blade is set to initial cut for operation and machine is switched on and automatically operated in accordance with manufacturer specifications.
- Operate multi-function cutter, grinder and polisher.
- Machine and equipment are set up with appropriate head/plate fitted and secured to operating spindle according to work application.
- Stone is fixed into location on table according to requirements for machining processes.
- Template is set into place, where applicable, for profile work and cutting and moulding operations.
- Machinery is set up with cutting head set to initial cut and aligned with template in accordance with manufacturer specifications for setting up and operation of machine.
- Machinery operations are carried out to machine manufacturer specifications and job processes for dressing stone to requirements.
- Carry out grinding and polishing.
- Appropriate grinding plate is selected and fitted to machine according to machine manufacturer specifications and stone surface to be cut and polished.
- Machine is set up for grinding operations and operated in accordance with job and machine manufacturer specifications with grinding and polishing processes carried out using appropriate changes of grit abrasive pads fitted in accordance with type of stone being finished.
- Machine operations are monitored and water support maintained to cutting and polishing applications.
- Shut down machine operations.
- Machine shut-down procedures are carried out to machine manufacturer specifications.
- Supporting material, wedges and clamps are removed from stone and machine table.
- Finished or machined stone is removed carefully without damage and stored.
- Machine and supporting equipment and accessories are cleaned, maintained and checked for wear or deterioration in accordance with manufacturer specifications.
- Clean up.