Preparation of sheet metal work pieces is a foundational skill across many professional fields in Kenya, from manufacturing components for county government offices to fabricating fixtures in hotels and retail businesses. The quality of the finished product depends not only on technical skill but also on stringent adherence to safety standards and workplace organization. This chapter focuses on the essential safety practices, regulatory requirements, and environmental considerations necessary before commencing any sheet metal fabrication work.
3.1 Workshop Safety
Workshop safety is critical in ensuring a secure working environment for all employees involved in sheet metal fabrication. In Kenya, adherence to safety regulations is mandatory under national laws and industry standards to prevent accidents and promote health. This section explores the rules, equipment, and protocols that protect workers in diverse workplaces such as county referral hospitals, universities, and agricultural cooperatives.
3.1.1 Rules and Regulations
National and Institutional Safety Standards
- Compliance with OSHA 2007: All workshops must comply with the Occupational Safety and Health Act (OSHA) 2007, setting legal safety standards for workplaces across Kenya.
- Adherence to Manufacturer Instructions: Operators must follow machine and tool manufacturer safety guidelines to prevent misuse and accidents.
- Prohibition of Unauthorized Access: Only trained and authorized personnel are allowed in the workshop to reduce the risk of injury.
- Mandatory Reporting of Hazards: Employees should report unsafe conditions immediately to supervisors to enable timely corrective action.
- Enforcement of Safety Protocols: Supervisors must enforce safety rules consistently to maintain a culture of safety.
Behavioral Expectations in the Workshop
- No Horseplay or Distractions: Maintaining focus prevents accidents caused by negligence or distraction, critical in busy workshops like those in technical colleges.
- Use of Tools for Intended Purposes Only: Misuse of tools leads to damage and potential injury.
- Proper Handling of Materials: Safe lifting techniques and material handling prevent musculoskeletal injuries.
- Clear Communication: Use of hand signals or verbal warnings during machine operation enhances safety.
- Respect for Emergency Procedures: Immediate compliance with evacuation or emergency protocols saves lives.
Legal Implications of Non-Compliance
- Fines and Penalties: Institutions like banks and SACCOs found violating safety laws face financial penalties and legal action.
- Workplace Shutdown Orders: Serious breaches can lead to temporary or permanent closure of workshops.
- Increased Insurance Costs: Accidents increase liability premiums, burdening organizations financially.
- Criminal Charges: Negligence causing injury or death may result in prosecution of responsible parties.
- Reputational Damage: Unsafe practices tarnish the image of businesses, reducing client and employee confidence.
3.1.2 Personal Protective Equipment
Personal protective equipment (PPE) is crucial in minimizing exposure to hazards inherent in sheet metal fabrication. Proper PPE selection and use protect workers from injuries such as cuts, burns, and respiratory problems.
Essential PPE for Sheet Metal Work
- Safety Gloves: Protect hands from sharp edges and hot surfaces during cutting and shaping.
- Protective Eyewear: Shields eyes from flying debris and sparks, vital in workshops at universities and hospitals where safety is paramount.
- Ear Protection: Ear muffs or plugs reduce noise-induced hearing loss from machinery.
- Respirators or Masks: Prevent inhalation of dust and fumes, especially in poorly ventilated workshops.
- Safety Boots: Steel-toed boots protect feet from heavy falling objects.
Proper Use and Maintenance of PPE
- Correct Fit: PPE must fit properly to provide effective protection and comfort.
- Regular Inspection: Check for wear, tear, and contamination before each use to ensure functionality.
- Cleaning and Storage: PPE should be cleaned according to manufacturer instructions and stored in dry, clean areas to prolong life.
- Replacement Schedule: Damaged or expired PPE must be replaced immediately to maintain safety standards.
- Training on PPE Use: Workers should be trained on correct donning, doffing, and disposal procedures.
Challenges in PPE Implementation
- Cost Constraints: Small enterprises or agricultural cooperatives may struggle to afford quality PPE.
- Worker Compliance: Resistance to wearing PPE due to discomfort or perceived inconvenience.
- Supply Chain Issues: Delays in procurement can leave workshops without adequate protection.
- Lack of Awareness: Insufficient training leads to improper use or neglect of PPE.
- Environmental Factors: High temperatures in Kenyan regions can discourage continuous PPE use.
3.1.3 Machine Safety
Machines used in sheet metal fabrication pose significant hazards if not operated and maintained correctly. Ensuring machine safety protects workers from mechanical injuries and enhances productivity.
Safeguarding Machines
- Installation of Guards: Physical barriers prevent contact with moving parts such as blades and rollers.
- Emergency Stop Mechanisms: Easily accessible stop buttons allow immediate shutdown in emergencies.
- Regular Maintenance: Scheduled servicing prevents breakdowns and unsafe operating conditions.
- Lockout/Tagout Procedures: Isolate power during maintenance to avoid accidental start-up.
- Operator Training: Only trained personnel should operate machines to minimize misuse.
Safe Operating Practices
- Pre-Operation Checks: Inspect machines for defects or loose parts before use.
- Avoid Loose Clothing: Prevents entanglement in moving machinery.
- Clear Work Areas: Remove unnecessary tools and materials to avoid tripping hazards.
- Proper Lighting: Ensures visibility to detect potential problems during operation.
- Communication: Use signals or verbal commands when multiple operators are involved.
Hazard Identification and Control
- Pinch Points: Identify and guard areas where body parts could be caught.
- Sharp Edges: Regularly inspect and cover sharp surfaces.
- Electrical Hazards: Ensure machines are properly grounded and cables intact.
- Noise Levels: Monitor and control noise exposure to protect hearing.
- Dust and Fume Extraction: Use ventilation systems to reduce airborne contaminants.
3.1.4 Occupational Safety and Health Act, 2007
The Occupational Safety and Health Act (OSHA) 2007 is the principal legislation governing workplace safety in Kenya. It mandates minimum standards and responsibilities for employers and employees.
Key Provisions of OSHA 2007
- Employer Duties: Provide a safe working environment, adequate training, and necessary protective equipment.
- Employee Duties: Follow safety instructions and use provided PPE.
- Safety Committees: Establish joint employer-employee committees to oversee workplace safety.
- Reporting Requirements: Report accidents and dangerous occurrences to the Directorate of Occupational Safety and Health Services.
- Inspection and Enforcement: Regulatory bodies conduct inspections and enforce compliance through sanctions.
Relevance to Sheet Metal Workshops
- Risk Assessments: Employers must identify hazards specific to sheet metal work and implement controls.
- Health Surveillance: Regular medical checks for workers exposed to dust or noise.
- Training Obligations: Continuous education on safe handling of tools and materials.
- Record Keeping: Maintain injury logs and safety audits for accountability.
- Emergency Preparedness: Develop response plans for fires, electrical shocks, and other emergencies.
Institutional Responsibilities
- Counties and Municipalities: Monitor compliance in public sector workshops such as county offices.
- Private Sector Employers: Ensure adherence in diverse settings like hotels and retail businesses.
- Training Institutions: Implement safety programs in TVET colleges to inculcate best practices.
- Health Facilities: Protect staff in workshops involved in medical equipment fabrication or repair.
- Regulatory Bodies: Enforce OSHA through inspections and penalties.
3.1.5 Housekeeping
Housekeeping refers to the systematic organization and cleanliness of the workplace to minimize hazards and enhance efficiency in sheet metal fabrication environments.
Importance of Good Housekeeping
- Prevention of Accidents: Clutter-free floors reduce slips, trips, and falls common in workshops.
- Improved Workflow: Organized tools and materials increase productivity.
- Fire Hazard Reduction: Proper storage of flammable materials lowers fire risk.
- Enhanced Equipment Life: Clean environments prevent dust and debris buildup on machines.
- Positive Work Environment: Cleanliness boosts morale and professionalism.
Housekeeping Practices
- Daily Cleaning Routines: Sweeping floors, wiping surfaces, and disposing of scrap metal.
- Proper Storage: Designated areas for tools, raw materials, and finished products.
- Spill Control: Immediate cleanup of oil, grease, or water to prevent slips.
- Waste Segregation: Separate bins for recyclables, hazardous, and general waste.
- Inspection and Monitoring: Supervisors conduct regular checks to enforce standards.
Challenges in Maintaining Housekeeping
- High Workload: Busy workshops in county hospitals may neglect cleaning during peak periods.
- Lack of Awareness: Workers may not understand the safety implications of poor housekeeping.
- Inadequate Facilities: Insufficient bins or cleaning materials hinder proper maintenance.
- Complacency: Over time, workers may become lax in following housekeeping protocols.
- Space Constraints: Limited workshop space complicates storage and organization.
3.1.6 Cleaning
Cleaning in sheet metal workshops involves removing dirt, dust, and contaminants that could impair safety and quality. Effective cleaning maintains a healthy work environment and preserves equipment functionality.
Cleaning Methods
- Manual Cleaning: Use of brushes, cloths, and mops to remove surface dirt.
- Vacuuming: Removes fine dust particles from floors and machinery.
- Solvent Cleaning: Application of appropriate solvents to remove grease and oil.
- Compressed Air: Blowing off loose debris from hard-to-reach areas.
- Wet Cleaning: Washing floors and surfaces with water and detergents.
Cleaning Frequency and Scheduling
- Daily Cleaning: Focus on high-use areas and tools.
- Weekly Deep Cleaning: Includes machine parts and ventilation systems.
- Post-Project Cleaning: Removal of scrap and leftover materials after fabrication.
- Emergency Cleaning: Immediate attention to spills or contamination.
- Scheduled Maintenance Cleaning: Coordinated with machine servicing.
Cleaning Safety Considerations
- Use of Appropriate PPE: Gloves and masks to protect from chemicals and dust.
- Safe Handling of Solvents: Follow manufacturer guidelines and ensure ventilation.
- Disposal of Wastewater: Prevent environmental contamination in line with NEMA regulations.
- Avoiding Electrical Hazards: Do not use water near electrical equipment unless properly isolated.
- Training on Cleaning Procedures: Ensures effectiveness and safety.
3.1.7 Waste Management
Proper waste management in sheet metal fabrication workshops reduces environmental impact and promotes sustainable practices. It also ensures compliance with Kenyan environmental laws.
Types of Waste Generated
- Metal Scrap: Offcuts and defective pieces from fabrication.
- Chemical Waste: Solvents, lubricants, and cleaning agents.
- Packaging Materials: Cardboard, plastics, and wrappings.
- General Waste: Food wrappers and non-hazardous refuse.
- Hazardous Waste: Oils, paints, and contaminated rags.
Waste Segregation and Storage
- Separate Containers: Dedicated bins for metal, hazardous, and general waste.
- Labeling: Clear signs indicating waste type to avoid cross-contamination.
- Secure Storage: Hazardous waste stored in leak-proof containers away from work areas.
- Temporary Holding Areas: Designated spaces for collected waste awaiting disposal.
- Access Control: Prevent unauthorized handling of hazardous materials.
Disposal and Recycling
- Engagement of Licensed Waste Handlers: Ensure legal and environmentally sound disposal.
- Recycling of Metal Scrap: Recovery and reuse reduce costs and environmental footprint.
- Safe Disposal of Hazardous Waste: Following NEMA guidelines to prevent pollution.
- Documentation: Maintain records of waste disposal for accountability.
- Training and Awareness: Educate workers on proper waste management practices.
3.1.8 Electrical Wiring Color Coding
Understanding electrical wiring color codes is essential for safety and maintenance in workshops using electrically powered sheet metal machines.
Standard Color Codes in Kenya
- Red: Live wire carrying current to the device.
- Black: Neutral wire completing the circuit.
- Green/Yellow: Earth or grounding wire for safety.
- Blue: Alternative neutral in three-phase systems.
- Brown: Live wire in single-phase installations.
Importance of Correct Color Coding
- Prevents Electric Shock: Correct identification reduces risk during repairs.
- Facilitates Maintenance: Simplifies troubleshooting and repairs.
- Ensures Compliance: Meets Kenya Power and Lighting Company (KPLC) standards.
- Enhances Safety Training: Workers understand wiring layouts.
- Reduces Downtime: Quick identification speeds up fault rectification.
Common Wiring Errors to Avoid
- Mixing Live and Neutral: Can cause short circuits and equipment damage.
- Omission of Earth Wire: Increases risk of electric shock.
- Incorrect Color Usage: Leads to confusion and accidents.
- Poor Insulation: Exposes wires, causing hazards.
- Improper Termination: Loose connections increase fire risk.
3.1.9 Danger Warning Signage
Danger warning signs alert workers to potential hazards in sheet metal workshops, helping prevent accidents and injuries.
Types of Danger Signs
- Prohibition Signs: Indicate actions that are forbidden, such as no smoking.
- Warning Signs: Alert to potential hazards like sharp edges or hot surfaces.
- Mandatory Signs: Specify required actions such as wearing PPE.
- Emergency Information Signs: Show locations of exits and first aid kits.
- Fire Safety Signs: Indicate fire extinguisher locations and alarm points.
Design and Placement of Signs
- Visibility: Signs must be clearly visible and well-lit.
- Standardized Symbols: Use internationally recognized symbols for clarity.
- Durability: Made from materials resistant to workshop conditions.
- Strategic Positioning: Placed at points of hazard and entry.
- Regular Maintenance: Signs should be clean and replaced if damaged.
Legal Requirements for Signage
- Compliance with OSHA: Signs must meet specifications outlined in Kenyan safety regulations.
- Multilingual Signs: Use of Kiswahili and English to accommodate all workers.
- Size and Color Standards: Follow prescribed dimensions and color codes.
- Training: Workers must be educated on sign meanings.
- Documentation: Maintain records of signage audits.
3.1.10 Barricades
Barricades are physical barriers used to restrict access to hazardous areas within sheet metal workshops, enhancing safety during operations.
Purpose of Barricades
- Prevent Unauthorized Entry: Keeps untrained personnel away from dangerous zones.
- Mark Hazardous Areas: Clearly delineate areas with moving machinery or hot work.
- Control Workflow: Guide movement to safe paths.
- Support Emergency Procedures: Facilitate evacuation routes.
- Protect Visitors: Ensure safety of non-workers in facilities like universities.
Types of Barricades
- Physical Barriers: Metal fences or wooden panels.
- Tape Barricades: Colored tape to indicate danger zones temporarily.
- Cones and Posts: Used for marking areas in motion.
- Rope Barriers: Flexible and easy to deploy.
- Electronic Barriers: Alarmed gates or sensors for high-security areas.
Installation and Maintenance
- Proper Placement: Barricades must fully enclose hazards without blocking exits.
- Clear Signage: Barricades should display warning signs.
- Routine Inspection: Check for damage or displacement.
- Training: Workers must understand the significance of barricades.
- Removal Protocols: Barricades should only be removed by authorized personnel.
3.1.11 High Voltage Signage
High voltage signage warns workers of areas or equipment where electrical voltage levels pose serious risks.
Characteristics of High Voltage Signs
- Bright Colors: Typically yellow with black symbols for high visibility.
- Clear Wording: Phrases like "Danger – High Voltage" to indicate risk.
- Symbol Use: Lightning bolt icons universally recognized as electrical hazard.
- Durability: Weather-resistant materials for indoor and outdoor use.
- Placement: Near electrical panels, transformers, and power lines.
Importance in Workshops
- Prevents Electrocution: Alerts workers to avoid contact.
- Supports Emergency Response: Helps responders identify hazardous zones.
- Legal Compliance: Required under OSHA and electrical safety codes.
- Safety Training Aid: Reinforces risk awareness during worker induction.
- Equipment Protection: Discourages unauthorized tampering.
Maintenance and Compliance
- Regular Inspection: Check for fading or damage.
- Replacement: Signs must be replaced immediately if obscured.
- Worker Education: Continuous reinforcement of sign meanings.
- Record Keeping: Maintain logs of sign placement and condition.
- Integration with Other Safety Measures: Combine with barricades and PPE usage.
3.1.12 Fire Extinguishers
Fire extinguishers are vital in controlling fires in workshops, protecting lives and property during sheet metal fabrication activities.
Types of Fire Extinguishers
| Name |
Specification |
Use |
| Water Extinguisher |
Contains water, suitable for Class A fires |
Fires involving wood, paper, textiles |
| CO2 Extinguisher |
Carbon dioxide, non-conductive |
Electrical fires and flammable liquids |
| Dry Chemical Extinguisher |
Multipurpose powder for Class A, B, C fires |
Fires involving solids, liquids, and gases |
| Foam Extinguisher |
Aqueous film-forming foam |
Flammable liquids and solids |
| Wet Chemical Extinguisher |
Potassium-based solution |
Cooking oil and fat fires |
Fire Extinguisher Placement and Maintenance
- Accessible Locations: Extinguishers must be located near exits and high-risk areas.
- Regular Inspections: Monthly checks for pressure, damage, and expiry dates.
- Staff Training: Workers should know how to operate different types.
- Signage: Clear signs indicating extinguisher locations.
- Refilling and Replacement: Prompt servicing after use or expiry.
Fire Prevention Measures
- Avoid Accumulation of Flammable Materials: Regular waste disposal.
- Control of Sparks and Heat Sources: Use of guards and proper procedures.
- Electrical Safety: Prevent short circuits and overloads.
- Emergency Drills: Simulate fire scenarios for preparedness.
- Coordination with Fire Services: Establish contacts for rapid response.
3.1.13 Health Policy
A health policy in a workshop context outlines the commitment and procedures to promote worker health and well-being, crucial for productivity and compliance in Kenyan workplaces.
Objectives of a Health Policy
- Prevent Work-Related Illnesses: Through risk assessments and controls.
- Promote Mental and Physical Wellbeing: Encouraging breaks and stress management.
- Ensure Access to Medical Services: First aid and referral systems.
- Encourage Healthy Behaviors: Education on nutrition and exercise.
- Comply with Legal Requirements: Align with OSHA and public health laws.
Components of an Effective Health Policy
- Risk Identification and Mitigation: Regular workplace inspections.
- Health Surveillance Programs: Monitoring exposure to hazards.
- Emergency Health Procedures: First aid and medical emergency response.
- Training and Awareness: Regular health and safety training sessions.
- Worker Involvement: Participation in health committees and feedback mechanisms.
Implementation Challenges and Solutions
- Resource Limitations: Budget constraints in small enterprises.
- Cultural Beliefs: Misconceptions about illness and health interventions.
- Communication Barriers: Language differences in diverse workforces.
- Compliance Monitoring: Ensuring adherence to health protocols.
- Continuous Improvement: Updating policies with emerging health trends.
Practice Questions
- Explain five critical workshop rules and regulations that ensure safety in sheet metal fabrication. (10 marks)
- Discuss the importance of personal protective equipment and list five essential PPE items for sheet metal workers. (10 marks)
- Describe six steps for ensuring machine safety in a sheet metal workshop. (12 marks)
- Outline the key provisions of the Occupational Safety and Health Act, 2007, relevant to workshop safety. (10 marks)
- Identify five housekeeping practices that reduce hazards in sheet metal workshops. (10 marks)
- Explain the standard electrical wiring color codes used in Kenya and their significance. (10 marks)
- List and describe five types of fire extinguishers and their appropriate uses in workshops. (10 marks)
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Create a free account 🔒3.2 Measuring and Marking Out
Accurate measuring and marking out are fundamental skills in sheet metal fabrication, ensuring that work pieces fit correctly and meet design specifications. In Kenya's diverse industries such as county government offices, hospitals, and retail businesses, imp…
🔒3.3 Produce the Pattern
Producing an accurate pattern is a critical step in sheet metal fabrication, serving as the template for cutting and shaping the metal. Patterns ensure that the finished work piece meets design specifications, essential in sectors like banking where metal safe…
Chapter Summary
This chapter emphasizes the critical importance of workshop safety, detailing essential rules and regulations that govern safe conduct within the working environment. It highlights the role of personal protective equipment, including gloves, safety boots, safety glasses, and face shields, in safeguarding workers from potential hazards. Machine safety is addressed to prevent accidents during equipment operation, complemented by an overview of the Occupational Safety and Health Act of 2007, which provides the legal framework for workplace safety in Kenya. Proper housekeeping and cleaning practices are underscored as vital for maintaining an organized and hazard-free workshop, while effective waste management ensures environmental and personal health protection. The chapter also covers electrical wiring color coding to promote safe electrical installations, alongside the use of danger warning signage, barricades, and high voltage signs to alert workers to potential risks. Fire extinguishers and health policies are presented as essential components of emergency preparedness. Finally, the chapter explains the techniques for accurate measuring and marking out, culminating in the production of precise patterns necessary for successful sheet metal workpiece fabrication.
Self-Assessment
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A. Written Assessment
- What is the primary purpose of wearing personal protective equipment (PPE) in a sheet metal workshop? (2 marks)
- Identify four essential rules and regulations that must be observed in a metal fabrication workshop. (4 marks)
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Chapter Examination Questions
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SECTION A (40 Marks) - Answer ALL Questions
- Outline four key workshop safety rules that a sheet metal worker should always observe when working at a county government workshop. (4 marks)
- Describe the function of safety boots in protecting sheet metal workers during fabrication activities. (4 marks)
🔒24 more in this section.
Chapter Practical Activities
Practical 1: Identify and Use Workshop Safety Equipment for Sheet Metal Work
Mechanical Production Technician · Level 5
Sheet Metal Parts Fabrication
PRACTICAL ASSESSMENT
TIME: 3 HOURS
⬇ PDFCandidate Instructions (Candidate Tool)
Type: Individual
INSTRUCTIONS TO CANDIDATE:
1. You are required to perform the following task:
i. Identify, select, and correctly use appropriate personal protective equipment (PPE) for sheet metal work and explain five key workshop safety rules.
2. You have been provided with the following resources for the practical task:
| Tools & Equipment | Materials |
|---|
| Safety boots | |
| Dust coat/overall | |
| Hand gloves | |
| Safety goggles | |
| Ear plugs | |
| Fire extinguisher | |
| First aid kit | |
⬇ PDFResources Required (Cutting List)
| S/N | Item | Quantity |
|---|
| 1 | Safety boots | 1 Pair per Candidate |
| 2 | Dust coat/overall | 1 Pc per Candidate |
| 3 | Hand gloves (leather work gloves) | 1 Pair per Candidate |
| 4 | Safety goggles | 1 Pair per Candidate |
| 5 | Ear plugs | 1 Pair per Candidate |
| 6 | Fire extinguisher (CO2 type) | 1 Pc per 5 Candidates |
| 7 | First aid kit | 1 Pc per 10 Candidates |
⬇ PDFAssessor Guide
| Items to be Evaluated | Marks Available | Marks Obtained | Comments |
|---|
| TASK 1: PPE Identification and Usage |
Candidate correctly identifies all required PPE items for sheet metal work
(Award 1 mark for each correctly identified PPE item, zero if omitted) | 5 | | |
Candidate correctly selects and wears safety boots
(Award 1 mark if worn properly, zero if not) | 1 | | |
Candidate correctly selects and wears dust coat/overall
(Award 1 mark if worn properly, zero if not) | 1 | | |
Candidate correctly selects and wears hand gloves
(Award 1 mark if worn properly, zero if not) | 1 | | |
Candidate correctly uses safety goggles
(Award 1 mark if worn properly, zero if not) | 1 | | |
Candidate correctly uses ear plugs
(Award 1 mark if used properly, zero if not) | 1 | | |
| Sub-Total | 10 | | |
| TASK 2: Workshop Safety Rules Explanation |
Candidate explains five key workshop safety rules clearly and accurately
(Award 2 marks for each correctly explained safety rule, zero if incorrect or omitted) | 10 | | |
| Sub-Total | 10 | | |
| PRODUCT CHECKLIST |
Correct and complete use of PPE with no omissions
(Award full marks if all PPE are worn correctly, zero if any item missing or incorrectly used) | 5 | | |
Clear, accurate verbal or written explanation of workshop safety rules
(Award full marks if all five rules are explained clearly and correctly) | 5 | | |
| Sub-Total | 10 | | |
| GRAND TOTAL | 30 | | |
ASSESSMENT OUTCOME: ☐ Competent ☐ Not Yet Competent (competent if at least 50%)
Practical 2: Proper selection and use of protective gloves for sheet metal preparation
Mechanical Production Technician · Level 5
Sheet Metal Parts Fabrication
PRACTICAL ASSESSMENT
TIME: 3 HOURS
⬇ PDFCandidate Instructions (Candidate Tool)
Type: Individual
INSTRUCTIONS TO CANDIDATE:
1. You are required to perform the following task:
i. Select and correctly use appropriate gloves to safely prepare a 300mm x 300mm sheet metal work piece for fabrication.
2. You have been provided with the following resources for the practical task:
| Tools & Equipment | Materials |
|---|
| Leather protective gloves | Sheet metal work piece (mild steel, 1.2 mm thickness, 300 mm x 300 mm) |
| Cotton work gloves | |
| Nitrile coated gloves | |
| Safety boots | |
| Dust coat/overall | |
⬇ PDFResources Required (Cutting List)
| S/N | Item | Quantity |
|---|
| 1 | Leather protective gloves | 1 Pair per Candidate |
| 2 | Cotton work gloves | 1 Pair per Candidate |
| 3 | Nitrile coated gloves | 1 Pair per Candidate |
| 4 | Sheet metal work piece (mild steel, 1.2 mm thickness, 300 mm x 300 mm) | 1 Piece per Candidate |
| 5 | Safety boots | 1 Pair per Candidate |
| 6 | Dust coat/overall | 1 per Candidate |
⬇ PDFAssessor Guide
| Items to be Evaluated | Marks Available | Marks Obtained | Comments |
|---|
| TASK 1: PPE Preparation and Glove Selection |
Wore safety boots before starting work
(Award 1 mark if worn, 0 otherwise) | 1 | | |
Wore dust coat/overall correctly
(Award 1 mark if worn properly, 0 otherwise) | 1 | | |
Selected correct glove type for handling sheet metal (Leather gloves for cutting/handling sharp edges)
(Award 2 marks for correct glove selection and explanation, 0 otherwise) | 2 | | |
Used cotton gloves for light handling/preparation tasks
(Award 1 mark if demonstrated correct use, 0 otherwise) | 1 | | |
Used nitrile coated gloves where dexterity and grip were required
(Award 1 mark if demonstrated correct use, 0 otherwise) | 1 | | |
Demonstrated correct procedure to put on and remove gloves without contamination or injury
(Award 2 marks for proper donning and doffing techniques, 0 otherwise) | 2 | | |
Maintained glove integrity during handling (no tears or contamination)
(Award 2 marks if gloves remained intact and clean during task, 0 otherwise) | 2 | | |
| Sub-Total | 10 | | |
| TASK 2: Safe Handling of Sheet Metal Work Piece |
Handled sheet metal work piece safely using selected gloves
(Award 3 marks for safe handling without injury or damage, 0 otherwise) | 3 | | |
Avoided direct hand contact with sharp edges
(Award 2 marks if no direct contact occurred, 0 otherwise) | 2 | | |
Placed work piece on bench safely without damage or risk
(Award 2 marks if done safely, 0 otherwise) | 2 | | |
Demonstrated awareness of glove limitations and changed gloves if contaminated or damaged
(Award 3 marks if candidate changed gloves appropriately, 0 otherwise) | 3 | | |
| Sub-Total | 10 | | |
| PRODUCT CHECKLIST |
Proper glove selection documented or demonstrated for each sheet metal task
(Award 3 marks if glove types correctly matched to tasks, 0 otherwise) | 3 | | |
No injury or glove damage recorded during the task
(Award 2 marks if no injury or glove damage, 0 otherwise) | 2 | | |
Work piece handled without damage or contamination
(Award 3 marks if work piece handled safely and cleanly, 0 otherwise) | 3 | | |
Candidate demonstrated correct PPE use as per workplace safety requirements
(Award 2 marks for full compliance with PPE requirements, 0 otherwise) | 2 | | |
| Sub-Total | 10 | | |
| GRAND TOTAL | 30 | | |
ASSESSMENT OUTCOME: ☐ Competent ☐ Not Yet Competent (competent if at least 50%)
🔒Demonstrate correct wearing and maintenance of safety boots and glassesPractical 3
🔒Correct Use and Care of Face Shields During Sheet Metal FabricationPractical 4
🔒Machine Safety Procedures for Sheet Metal FabricationPractical 5
🔒Apply Occupational Safety and Health Act 2007 Provisions in Sheet Metal WorkshopPractical 6
🔒Workshop Housekeeping and Cleaning in Sheet Metal FabricationPractical 7
🔒Segregate and Dispose Sheet Metal Waste MaterialsPractical 8
🔒Identify and Arrange Electrical Wires According to Standard Color Codes for Workshop MachineryPractical 9
🔒Installation and Explanation of Danger Warning Signage in WorkshopPractical 10
🔒Fire Extinguisher Selection and Operation DemonstrationPractical 11
🔒Implement workshop health policy in sheet metal preparationPractical 12
🔒Measure and Mark Out Sheet Metal Work PiecePractical 13
🔒Produce sheet metal pattern for a rectangular duct elbowPractical 14
🔒Setting out and producing a sheet metal pattern for a rectangular duct elbowPractical 15
