9460 28-Jun-16 1 of 7 MARITIME ENGINEERING Maintain marine electrical plant level: 4 credit: 28 planned review date: January 1998 sub-field: Maritime purpose: This unit standard is for people in the maritime engineering industry. The unit covers the competence of routinely maintaining, restoring, and repairing electrical systems on board ship according to maintenance plans and instructions, or as a result of an unacceptable or unscheduled variation. People credited with this unit standard are able to: define the sequence of work required to restore and maintain marine electrical plant; prepare work area and resources for electrical maintenance; service and maintain electric systems to schedule; and rectify unacceptable or unscheduled variation to electrical systems. entry information: Open. accreditation option: Evaluation of documentation and visit by NZQA and industry. moderation option: A centrally established and directed moderation system has been established by Maritime Qualifications New Zealand Inc. special notes: 1 Electrical plant includes: Electrical supply; Electrical utilisation; Lighting; Electro chemical including equipment where applicable. hazardous area New Zealand Qualifications Authority 2016 9460 28-Jun-16 2 of 7 MARITIME ENGINEERING Maintain marine electrical plant 2 Hazards include those impacting personnel, plant, and environment. 3 Service and maintenance include: Schedule checks; Tests; Measures and inspections; Replacement of consumables; Minor adjustments; Replacement of components. 4 Safety rules, regulations, legislation, and their subsequent amendments include: Safety of Life at Sea (SOLAS); Marine Pollution (MARPOL); Resource Management Act (RMA) 1994; Maritime Transport Act (MTA) 1994; Company or Organisational rules and regulations; Manufacturer’s guidelines. 5 Engineering practice is defined by: Codes of Practice; Chief Engineer’s instructions; Company operating procedures. 6 Technical specifications are defined by: Manufacturer’s specifications; Historical records; Chief Engineer’s instructions; Combinations of the above. New Zealand Qualifications Authority 2016 9460 28-Jun-16 3 of 7 MARITIME ENGINEERING Maintain marine electrical plant Elements and Performance Criteria element 1 Define the sequence of work required to restore and maintain marine electrical plant. performance criteria 1.1 The defined work sequence is in accordance with the maintenance plan specification. Range: 1.2 Maintenance and restoration activities are planned in accordance with technical, legislative, safety, and procedural specifications. Range: 1.3 scheduled maintenance activities - replacement of consumables, minor adjustments, replacement of faulty components, operational changeover; restoration maintenance activities - repairs, reconditioning, replacement, dismantling, construction, fabrication, and insulation. The sequence and scope of planned work are completed within agreed time scales and maintenance schedules. Range: 1.4 specification - master schedule, breakdown procedures, planned, unplanned. agreed time frames - between person completing maintenance and the supervisor. Actual and anticipated restrictions and variances to work schedules are identified and communicated to the supervising officer for action. Range: restrictions and variances may be caused by other maintenance, operational requirements, changes in resourcing. New Zealand Qualifications Authority 2016 9460 28-Jun-16 4 of 7 MARITIME ENGINEERING Maintain marine electrical plant 1.5 Planned work actions utilise methods consistent with available resources and lead to the restoration of plant. Range: resources - people, money, time. element 2 Prepare work area and resources for electrical maintenance. performance criteria 2.1 The equipment and materials selected are safe, serviceable, and of a type and quantity required to carry out the tasks. Range: selection and preparation of - resources, materials, tools, equipment, documentation, emergency services and equipment. 2.2 Restrictions and variances to resources are identified, recorded, and reported in accordance with procedures, codes of practice, and legislative requirements. 2.3 Material and equipment are safely handled, stored, and secured in accordance with company procedures and codes of practice. 2.4 Work area, machinery and equipment preparation comply with legislative requirements and codes of practice. Range: work area preparation includes - access, lighting, atmosphere, lifting plant, electrical isolation, machinery isolation, machinery preparation, provision of alternate service. 2.5 Work area is accessible and free from obstruction for the receiving and storage of materials and resources needed for the work to proceed. 2.6 Specifications, plans, materials, and equipment are available at the workplace in accordance with the maintenance schedule. New Zealand Qualifications Authority 2016 9460 28-Jun-16 5 of 7 MARITIME ENGINEERING Maintain marine electrical plant element 3 Service and maintain electric systems to schedule. performance criteria 3.1 Service and maintenance are carried out in accordance with established safety rules and regulations. 3.2 The sequence and scope of work activities conform with routine maintenance and servicing plans and schedules. 3.3 Equipment and components are in a state of required preparation prior to service or maintenance inspection. Range: 3.4 state defined by Variance from plans and schedules is agreed prior to continuation of servicing or maintenance. Range: 3.5 preparation - cleanliness, preparation manufacturer’s or company specifications. agreement between engineering supervisor and trainee. Settings are completed to specification. Range: adjustable settings - input, output, clearances, ranges, power supplies. 3.6 Static checks and tests comply with statutory regulations and technical requirements. 3.7 Servicing and maintenance are completed to specification within agreed time frames. Range: agreement between engineering supervisor and trainee. New Zealand Qualifications Authority 2016 9460 28-Jun-16 6 of 7 MARITIME ENGINEERING Maintain marine electrical plant element 4 Rectify unacceptable or unscheduled variation to electrical systems. performance criteria 4.1 Maintenance is planned and carried out in accordance with established safety rules and regulations. Range: 4.2 maintenance techniques - installation, replacement, repair, recondition, assemble and dismantle, erect, construct. Dismantling and reassembly procedures and equipment conform with technical specification and agreed work plan. Range: technical specification and work plan - manufacturer’s drawings and plans, manufacturers’ manuals, supervisor’s instructions; agreement - between engineering supervisor and trainee. 4.3 Dismantled parts are stored, handled, and cleaned in accordance with engineering practice. 4.4 The selected method for restoring equipment or system is consistent with identified operational and physical constraints. Range: constraints - equipment design, equipment position, safety requirements, availability of spares, operational requirements for the equipment, economical restraints. 4.5 Selected repair techniques conform with engineering practices. 4.6 Selected replacement parts manufacturer’s specifications. 4.7 Product and components are restored to specification within the agreed time schedules and quality requirements. Range: conform with system and equipment agreed between engineer supervisor and trainee. New Zealand Qualifications Authority 2016 9460 28-Jun-16 7 of 7 MARITIME ENGINEERING Maintain marine electrical plant 4.8 The conduct and outcome of operational and static checks and tests comply with statutory regulations and technical specifications. Comments to: Maritime Qualifications New Zealand Inc Unit Standard Revision PO Box 160 WELLINGTON by January 1998. Please Note: Providers must be accredited by the Qualifications Authority before they can offer programmes of education and training assessed against unit standards. Accredited providers assessing against unit standards must engage with the moderation system that applies to those unit standards. [Please refer to relevant Plan ref: 0054]. New Zealand Qualifications Authority 2016