Chemical Engineering  ·  Level 6
Prepare Process Raw Materials
Chapter 5: Waste management
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Chapter Practical Activities

Practical 1: Segregate waste materials into designated containers

Chemical Engineering · Level 6
Prepare Process Raw Materials
PRACTICAL ASSESSMENT
TIME: 3 HOURS
⬇ PDFCandidate Instructions (Candidate Tool)

Type: Individual

INSTRUCTIONS TO CANDIDATE:
1.  You are required to perform the following task:
i.  Segregate 5 kg of mixed waste materials into plastic, organic, paper, and metal containers as per the provided waste segregation bins.
2.  You have been provided with the following resources for the practical task:
Tools & EquipmentMaterials
Dustcoat/OverallWaste segregation bins (Plastic, Organic, Paper, Metal)
Leather glovesMixed waste materials (Plastic bottles, vegetable peels, paper scraps, metal cans)
Dust mask
Safety goggles
Safety shoes
Cleaning towels
Hand sanitizer
⬇ PDFResources Required (Cutting List)
S/NItemQuantity
1Dustcoat/Overall1 per Candidate
2Leather gloves1 pair per Candidate
3Dust mask1 per Candidate
4Safety goggles1 per Candidate
5Safety shoes1 pair per Candidate
6Waste segregation bins (Plastic, Organic, Paper, Metal)4 bins per Candidate
7Waste materials mixed (Plastic bottles, vegetable peels, paper scraps, metal cans)Enough for each Candidate to segregate
8Cleaning towelsEnough per Candidate
9Hand sanitizer1 bottle per Candidate
⬇ PDFAssessor Guide
Items to be EvaluatedMarks AvailableMarks ObtainedComments
TASK 1: Prepare for waste segregation
Wore Personal Protective Equipment: dustcoat/overall, leather gloves, dust mask, safety goggles, safety shoes
(Award 2 marks for correct and full PPE use or zero)
2
Collected and arranged designated waste segregation bins correctly
(Award 2 marks for correct bins placement or zero)
2
Sub-Total4
TASK 2: Segregate waste materials
Sorted plastic waste and placed into plastic waste bin
(Award 4 marks for correct segregation or zero)
4
Sorted organic waste and placed into organic waste bin
(Award 4 marks for correct segregation or zero)
4
Sorted paper waste and placed into paper waste bin
(Award 4 marks for correct segregation or zero)
4
Sorted metal waste and placed into metal waste bin
(Award 4 marks for correct segregation or zero)
4
Sub-Total16
TASK 3: Maintain cleanliness and safety
Cleaned any spilled waste and wiped working surface
(Award 3 marks for thorough cleaning or zero)
3
Disposed or stored segregated waste bins as per factory guidelines
(Award 3 marks for proper disposal or storage or zero)
3
Sanitized hands after completion of task
(Award 2 marks for proper hand sanitation or zero)
2
Sub-Total8
PRODUCT CHECKLIST
All waste materials correctly segregated into their respective bins
(Award up to 6 marks for correct segregation with no contamination or zero)
6
Bins labelled clearly with correct waste category
(Award 4 marks for clear and correct labelling or zero)
4
Sub-Total10
GRAND TOTAL38
ASSESSMENT OUTCOME:   ☐ Competent    ☐ Not Yet Competent (competent if at least 50%)

Practical 2: Construct a waste bin 500mm diameter x 700mm height from scrap materials

Chemical Engineering · Level 6
Prepare Process Raw Materials
PRACTICAL ASSESSMENT
TIME: 4 HOURS
⬇ PDFCandidate Instructions (Candidate Tool)

Type: Individual

INSTRUCTIONS TO CANDIDATE:
1.  You are required to perform the following task:
i.  Construct a cylindrical waste bin 500mm diameter and 700mm height from scrap mild steel sheets and wire mesh.
2.  You have been provided with the following resources for the practical task:
Tools & EquipmentMaterials
Angle grinder with cutting and grinding discsScrap mild steel sheets
Measuring tape 3mMild steel wire mesh
Metal ruler 600mmAngle iron 25mm x 25mm x 3mm
Marker/chalk
Clamps
Bench vice
Welding machine with welding rods
Welding helmet
Safety goggles
Leather gloves
Dustcoat/Overall
⬇ PDFResources Required (Cutting List)
S/NItemQuantity
1Scrap mild steel sheets2 sheets 1m x 1m per Candidate
2Mild steel wire mesh1 sheet 500mm x 700mm per Candidate
3Welding rods E60135 rods per Candidate
4Angle iron 25mm x 25mm x 3mm x 1m length1 length per Candidate
5Safety goggles1 per Candidate
6Leather gloves1 pair per Candidate
7Dustcoat/Overall1 per Candidate
8Welding helmet1 per Candidate
9Angle grinder with cutting and grinding discs1 per 5 Candidates
10Measuring tape 3m1 per Candidate
11Metal ruler 600mm1 per Candidate
12Marker/chalk1 per Candidate
13Clamps2 per Candidate
14Bench vice1 per Candidate
⬇ PDFAssessor Guide
Items to be EvaluatedMarks AvailableMarks ObtainedComments
TASK 1: Fabricate and assemble waste bin
Wore personal protective equipment: dustcoat, leather gloves, safety goggles, welding helmet
(Award 1 mark each or zero)
2
Measured and marked scrap steel sheets and wire mesh accurately to 500mm diameter and 700mm height
(Award 1 mark for correct diameter, 1 mark for correct height, 1 mark for clear marking)
3
Cut steel sheets and wire mesh to correct sizes using angle grinder
(Award 1 mark each for cutting steel sheet, wire mesh, and angle iron accurately)
3
Formed steel sheet into cylindrical shape 500mm diameter
(Award 3 marks for neat and even rolling to correct diameter)
3
Assembled wire mesh and steel sheet cylinder using clamps and bench vice
(Award 3 marks for proper alignment and secure clamping)
3
Tack welded the cylinder and wire mesh securely
(Award 3 marks for neat tack welds holding parts firmly)
3
Welded the cylinder and wire mesh fully ensuring continuous weld bead
(Award 4 marks for strong, continuous, and even welds without gaps)
4
Cut and welded angle iron base frame 500mm diameter to support the bin
(Award 4 marks for correct cutting, welding and secure attachment of base frame)
4
Ground and cleaned welds to remove slag and sharp edges
(Award 3 marks for smooth, clean finish without sharp edges)
3
Maintained good housekeeping by cleaning work area and disposing scrap safely
(Award 2 marks for neatness and proper waste disposal)
2
Sub-Total30
PRODUCT CHECKLIST
Waste bin dimensions: diameter 500mm ±10mm, height 700mm ±10mm
(Award 5 marks if both diameter and height within tolerance, else zero)
5
Cylinder is circular, uniform and stable (no warping or dents)
(Award 3 marks for neat cylindrical shape and stability)
3
Weld beads are continuous, neat and free of cracks or porosity
(Award 4 marks for quality welds as per standards)
4
Base frame is square, level and firmly attached
(Award 3 marks for correct base frame construction and attachment)
3
No sharp edges or protrusions; finished surface is cleaned
(Award 3 marks for safety and finish quality)
3
Sub-Total18
GRAND TOTAL48
ASSESSMENT OUTCOME:   ☐ Competent    ☐ Not Yet Competent (competent if at least 50%)
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