National Occupational Skill Standard (NOSS)
Occupational Title : Bulldozer Operator
Level : 3
Sector : Mechanical Engineering
Sub - Sector : Construction Equipment
NOSS ID/NSCO ID :
ISCO NO :
Council for Technical Education and Vocational Training
NATIONAL SKILL TESTING BOARD Madhyapur Thimi-17, Sanothimi, Bhaktapur, Nepal
Developed: 2018-05-08
NOSS ID # Developed Date: 2018-05-08 Revision Number ## Revised Date: dd/mm/yy Page:2
The National Skill Standards and Test was developed by:
1. Mr. Bishnu Bahadur Shah Policy & Capacity
Development Advisor DRSP, SDC Coordinator
2. Mr. Babu Ram Gurung SDE Department of Irrigation Member
3. Mr. Hari Kumar Shrestha SDE HED, New Baneswor,Kathmandu Member
4. Mr. Digambar Jha Training Specialist CMS, New Baneshwor, Kathmandu Member
5. Mr. Prakash Bhattarai Mech. Engineer MTC, Patandhoka, Lalitpur Member
6. Mr. Min Raj Regmi Mech. Engineer CON TECH (P). Ltd., Tinkune, Kathmandu Member
7. Mr. Chandra Bhakta Nakarmi Director Skill Testing Division, CTEVT, Sanothimi Member
8. Mr. Chhabi Bahadur Gurung Deputy Director Skill Testing Division, CTEVT, Sanothimi Member
9. Mr. Suresh Bhaila Skill Testing Officer Skill Testing Division, CTEVT, Sanothimi Member/
Secretary
Approved by the Tripartite National Skill Testing Board
October 2004
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The National Occupational Skill Standard Developed by: No Name Designation Organization
1. Er. Bishnu Bahadur Shah Coordinator Construction Equipment Technical Sub Committee National Skill Testing Board Sanothimi, Bhaktapur
2. Mr. Yam Bhandari Director National Skill Testing Board Sanothimi, Bhaktapur
3. Er. Rajan Man Shrestha Member Mechanical Training Center Patandhoka, Lalitpur
4. Er. Babu Ram Gurung Member Construction Equipment Training & Service Center
(P), Ltd, Dahachowk, Kathmandu
5. Er. Suman Dahal Member Mechanical Training Center Patandhoka, Lalitpur
6. Er. Parbat Raj Joshi Member Arniko Nirmal Company Private Ltd. Minbhawan, Kathmandu
7. Mr. Tulsi KC Member-Secretary Construction Equipment Technical Sub Committee
National Skill Testing Board, Sanothimi, Bhaktapur
8. Mr. Suresh Maharjan Member Skill Testing Officer, National Skill Testing Board Sanothimi, Bhaktapur
Recommended by Construction Equipment Technical Sub Committee: 8 May 2018 (25 Baishakh 2075)
NOSS ID # Developed Date: 2018-05-08 Revision Number ## Revised Date: dd/mm/yy Page:4
1 Occupational Title: Bulldozer Operator Level: 3
2 Job Description:
Bulldozer Operator L-3 operates Bulldozer performs basic maintenance and prepares job estimate.
3 UNITS OF COMPETENCY:
1. Inspect worksite.
2. Perform pre-start inspection.
3. Perform post start inspection.
4. Load and unload Bulldozer to/from transporter.
5. Operate Bulldozer with blade and ripper.
6. Park Bulldozer.
7. Prepare job estimate.
8. Perform basic maintenance.
9. Perform communication.
10. Develop professionalism.
*Note: Unit 9 and 10 are not for testing purpose.
4 Qualifying Notes/Prerequisites:
Physical Requirements: Sound health
Entry Requirements: As per NSTB rules. Additional Information:
Assessment Types: Performance and written test.
Assessment Duration: 8 to 10 Hrs
Recommended Group Size: 3 to 4 candidates
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5 Unit No: 1 Unit Title: Inspect worksite
Unit code:
Elements of competency Performance standards
1.1 Use personal protective equipment 1.1.1 Personal protective equipment checked for damages and fittings.
1.1.2 Personal protective equipment used properly.
1.2 Check worksite 1.2.1 Worksite checked for marking.
1.2.2 Work perimeter secured with signage.
1.3 Identify potential site hazards
1.3.1 Possible potential site hazards identified.
Overhead transmission lines
Underground services
Water crossing
Landslide
Land stability
Retaining structure
1.4 Place safety symbols 1.4.1 Safety symbol placed for underground services.
1.4.2 Safety symbol placed at visible place.
1.5 Perform reporting 1.5.1. Checklist filled. 1.5.2. Checklist submitted.
6 Task Performance Requirements (Tools, Equipment and Materials):
Bulldozer in operating condition, pole, rope, safety signs/symbols/ribbon, checklist, pen, personal protective equipment (helmet, safety goggles, earplug, mask, safety jacket, gloves, safety boot), first aid box, fire axe and fire extinguisher.
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7 Safety and Hygiene (Occupational Health and Safety):
Use Personal Protective Equipment (PPE).
Avoid slippery floor and steps.
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8 Required Knowledge
Technical Knowledge Applied Calculation Graphical Information
Importance of PPE
Occupational Health and Safety rules and regulations
Worksite hazards
o Types
o Importance
o Safety signs and symbols
Worksite marking
Measurement
Basic arithmetic calculation.
Calculate area, volume,
density and weight.
Read and interpret checklist.
Read and interpret site/work
plan.
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9 Assessment of Competency
Unit: 1
Unit Title: Inspect worksite
Candidate Details Assessors Detail
Candidate’s Name:
Registration Number:
Symbol No:
Test Centre: Test Date:
Assessors' Name
1.
2.
3.
ID/License No:
Element of competency Performance Standards Standard
Met Standard Not Met
Evidence Type
Comments
1.1 Use personal protective equipment
1.1.1 Personal protective equipment checked for damages and
fittings.
1.1.2 Personal protective equipment used properly.
1.2 Check worksite 1.2.1 Worksite checked for marking.
1.2.2 Work perimeter secured with signage.
1.3 Identify potential site hazards
1.3.1 Possible potential site hazards identified.
Overhead transmission lines
Underground services
Water crossing
Landslide
Land stability
Retaining structure
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1.4 Place safety symbols
1.4.1 Safety symbol placed for underground services.
1.4.2 Safety symbol placed at visible place.
1.5 Perform reporting
1.5.1. Checklist filled.
1.5.2. Checklist submitted.
WT- Written Test OQ- Oral Question PT- Practical Test DO – Direct Observation SR- Supervisor’s report SN–Simulation
RP- Role Play PG –Photographs VD- Video CT – Certificates TS – Testimonials (Reward) PP – Product Produced
CS – Case Study
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Range Statement
Variable Range
Personal protective equipment May include but not limited to:
Helmet
Gloves
Safety goggles
Safety boot
Mask
Earplug
Safety jacket
Signage May include but not limited to:
Rope
Pole
Flag
Safety symbols
Overhead transmission lines May include but not limited to:
Electrical lines
Telecommunication cables
Underground services May include but not limited to:
Water supply lines
Electrical lines
Telecommunication cables
Sewerage lines
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5 Unit No: 2 Unit Title: Perform pre-start inspection
Unit code:
Elements of competency Performance standards
2.1 Perform walk around inspection
2.1.1 Visual inspection performed for: o Leakage o Track condition o Foreign objects o Pin, bushes, rollers, idlers, sprocket, hoses and pipes condition o Missing and loose nut bolts/parts/connections o Lights, mirrors and glasses condition o Dents and scratches o Worn out/damaged parts o Blade, cutting edge and end bits condition o Ripper condition
2.2 Check engine oil level 2.2.1 Engine oil level gauge cap cleaned. 2.2.2 Engine oil level checked for prescribed level.
2.3 Check coolant level 2.3.1 Coolant cap cleaned. 2.3.2 Coolant level checked for prescribed level.
2.4 Check fan belt 2.4.1 Fan belt checked for cuts and wears. 2.4.2 Fan belt tension checked.
2.5 Check pre-cleaner 2.5.1 Pre-cleaner checked for dust and dirt.
2.6 Check battery 2.6.1 Physical condition of battery checked. 2.6.2 Battery connection checked for loose connection.
2.7 Check hydraulic oil level 2.7.1 Hydraulic oil level checked for prescribed level.
2.8 Check transmission oil level 2.8.1 Transmission oil level checked for prescribed level.
2.9 Check water separator level/sedimenter 2.9.1 Water separator checked for water accumulation. 2.9.2 Water drained from separator/sedimenter.
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2.10 Perform greasing 2.10.1 Greasing points located. 2.10.2 Greasing points cleaned. 2.10.3 Faulty grease nipples replaced. 2.10.4 Greasing performed. 2.10.5 Excess grease wiped.
2.11 Perform Reporting 2.11.1 Checklist filled. 2.11.2 Checklist submitted.
6 Task Performance Requirements (Tools, Equipment and Materials):
Bulldozer in operating condition, screwdriver, spanner, cotton waste, grease gun, grease, grease nipples, system location charts, checklist, pen, personal protective equipment (helmet, safety goggles, earplug, mask, safety jacket, gloves, safety boot), first aid box, fire axe and fire extinguisher.
7 Safety and Hygiene (Occupational Health and Safety):
Use Personal Protective Equipment (PPE).
Avoid slippery floor and steps.
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8 Required Knowledge
Technical Knowledge Applied Calculation Graphical Information
Tools and equipment
o Use and application
o Handling technique
o Safety measures
Bulldozer:
o Introduction
o Types
o Uses
o Main components and their function
o Types of blade, ripper and winch
o Cabin types
Walk around inspection procedure
Effects of foreign objects
Types and uses of:
o Engine oil
o Transmission oil
o Hydraulic oil
o Coolant
o Grease
Fire hazards
Battery electrolyte and connections
Read and interpret checklist.
Read and interpret
manufacturer's operation
manual.
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9 Assessment of Competency
Unit: 2
Unit Title: Perform pre-start inspection
Candidate Details Assessors Detail
Candidate’s Name:
Registration Number:
Symbol No:
Test Centre: Test Date:
Assessors' Name
1.
2.
3.
ID/License No:
Element of competency Performance Standards Standard
Met Standard Not Met
Evidence Type Comments
2.1 Perform walk around inspection
2.1.1 Visual inspection performed for: o Leakage o Track condition o Foreign objects o Pin, bushes, rollers, idlers, sprocket, hoses
and pipes condition o Missing and loose nut
bolts/parts/connections o Lights, mirrors and glasses condition o Dents and scratches o Worn out/damaged parts o Blade, cutting edge and end bits condition o Ripper condition
2.2 Check engine oil level
2.2.1 Engine oil level gauge cap cleaned. 2.2.2 Engine oil level checked for prescribed level.
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2.3 Check coolant level
2.3.1 Coolant cap cleaned. 2.3.2 Coolant level checked for prescribed level.
2.4 Check fan belt
2.4.1 Fan belt checked for cuts and wears. 2.4.2 Fan belt tension checked.
2.5 Check pre-cleaner 2.5.1 Pre-cleaner checked for dust and dirt.
2.6 Check battery 2.6.1 Physical condition of battery checked. 2.6.2 Battery connection checked for loose connection.
2.7 Check hydraulic oil level 2.7.1 Hydraulic oil level checked for prescribed level.
2.8 Check transmission oil 2.8.1 Transmission oil level checked for prescribed level.
2.9 Check water separator level/sedimenter
2.9.1 Water separator checked for water accumulation. 2.9.2 Water drained from separator/sedimenter.
2.10 Perform greasing 2.10.1 Greasing points located. 2.10.2 Greasing points cleaned. 2.10.3 Faulty grease nipple replaced. 2.10.4 Greasing performed. 2.10.5 Excess grease wiped.
2.11 Perform reporting 2.11.1 Checklist filled. 2.11.2 Checklist submitted.
WT- Written Test OQ- Oral Question PT- Practical Test DO – Direct Observation SR- Supervisor’s report SN–Simulation
RP- Role Play PG –Photographs VD- Video CT – Certificates TS – Testimonials (Reward) PP – Product Produced
CS – Case Study
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Range Statement
Variable Range
Foreign objects May include but not limited to:
Stones
Boulders
Cables
Wires
Ropes
Tree branches
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5 Unit No: 3 Unit Title: Perform post start inspection
Unit code:
Elements of competency Performance standards
3.1 Start engine
3.1.1 Bulldozer mounted. 3.1.2 Seat adjusted and seat belt fastened. 3.1.3 Hydraulic system, transmission and brake locked. 3.1.4 Engine started and warmed up. 3.1.5 Meter and gauges of panel board checked.
3.2 Check electric accessories
3.2.1 Horn checked. 3.2.2 Lights checked. 3.2.3 Wiper checked.
3.3 Check hydraulic system
3.3.1 Hydraulic lock checked. 3.3.2 Hydraulic system warmed up and functionality checked:
o Blade movements. o Ripper movements.
3.4 Check drive system
3.4.1 Blade and ripper positioned in travel mode. 3.4.2 Bulldozer moved forward and reverse. 3.4.3 Brake checked.
3.5 Perform reporting 3.5.1. Checklist filled.
3.5.2. Checklist submitted.
6 Task Performance Requirements (Tools, Equipment and Materials):
Bulldozer in operating condition, checklist, pen, personal protective equipment (helmet, safety goggles, earplug, mask, safety jacket, gloves, safety boot), first aid box, fire axe and fire extinguisher.
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7 Safety and Hygiene (Occupational Health and Safety):
Use Personal Protective Equipment (PPE).
Avoid slippery floor and steps.
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8 Required Knowledge
Technical Knowledge Applied Calculation Graphical Information
Importance of engine and hydraulic system warm-up
Function and importance of hydraulic lock
Panel board meter and gauges and their importance
Hydraulic system components and their function
Transmission system components and their function
Electrical accessories and their function
Drive system components and their function
Starting procedure
Exhaust emission
Abnormal noises
Read and interpret checklist
Read and interpret instrument
panel's gauges and meters.
Read and interpret
manufacturer's operation
manual.
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9 Assessment of Competency
Unit: 3
Unit Title: Perform post-start operation
Candidate Details Assessors Detail
Candidate’s Name:
Registration Number:
Symbol No:
Test Centre: Test Date:
Assessors' Name
1.
2.
3.
ID/License No:
Element of competency Performance Standards Standard
Met Standard Not Met
Evidence Type
Comments
3.1 Start engine 3.1.1 Bulldozer mounted. 3.1.2 Seat adjusted and seat belt fastened. 3.1.3 Hydraulic system, transmission and brake locked. 3.1.4 Engine started and warmed up. 3.1.5 Meter and gauges of panel board checked.
3.2 Check electric accessories
3.2.1 Horn checked. 3.2.2 Lights checked. 3.2.3 Wiper checked.
3.3 Check hydraulic system
3.3.1 Hydraulic lock checked. 3.3.2 Hydraulic system warmed up and functionality checked:
o Blade movements. o Ripper movements.
3.4 Check drive system 3.4.1 Blade and ripper positioned in travel mode. 3.4.2 Bulldozer moved forward and reverse. 3.4.3 Brake checked.
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3.5 Perform reporting 3.5.1. Checklist filled.
3.5.2. Checklist submitted.
WT- Written Test OQ- Oral Question PT- Practical Test DO – Direct Observation SR- Supervisor’s report SN–Simulation
RP- Role Play PG –Photographs VD- Video CT – Certificates TS – Testimonials (Reward) PP – Product Produced
CS – Case Study
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5 Unit No: 4 Unit Title: Load and unload Bulldozer to/from transporter
Unit code:
Elements of competency Performance standards
4.1 Check transporter
4.1.1 Dimensions of the transporter measured. 4.1.2 Load carrying capacity confirmed.
4.2 Load Bulldozer to transporter 4.2.1 Position of transporter checked. 4.2.2 Ramp position and condition checked. 4.2.3 Bulldozer aligned with ramp. 4.2.4 Bulldozer moved to transporter. 4.2.5 Bulldozer tied down. 4.2.6 Safety signage for transportation verified.
4.3 Unload Bulldozer from transporter 4.3.1 Bulldozer unloading site checked.
o Ground condition o Overhead hazards
4.3.2 Position of transporter checked. 4.3.3 Ramp position checked. 4.3.4 Tie downs removed. 4.3.5 Bulldozer aligned with ramp. 4.3.6 Bulldozer moved from transporter.
6 Task Performance Requirements (Tools, Equipment and Materials):
Bulldozer in operating condition, cotton waste, transporter with ramp, chocks, ropes, chains, clamps, safety signage, personal protective equipment (helmet, safety goggles, earplug, mask, safety jacket, gloves, safety boot), first aid box, fire axe and fire extinguisher.
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7 Safety and Hygiene (Occupational Health and Safety):
Use Personal Protective Equipment (PPE).
Avoid slippery floor and steps.
Aware of overhead and underground hazards.
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8 Required Knowledge
Technical Knowledge Applied Calculation Graphical Information
Bulldozer operation
Traffic rules and regulations
Engine RPM Range
Types and uses of ropes, clamps, chains, hooks and winch
Transporter:
o Types
o Dimension
o Load carrying capacity
o Ramp
o Chocks
Ground condition
Overhead hazards
Earthen ramp preparation
Safety signage and precautions during Bulldozer
transportation
Read and interpret
manufacturer's operation
manual.
Read and interpret instrument
panel's gauges and meters.
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9 Assessment of Competency
Unit: 4
Unit Title: Load and unload Bulldozer from/to transporter
Candidate Details Assessors Detail
Candidate’s Name:
Registration Number:
Symbol No:
Test Centre: Test Date:
Assessors' Name
1.
2.
3.
ID/License No:
Element of competency Performance Standards Standard
Met Standard Not Met
Evidence Type
Comments
4.1 Check transporter
4.1.1 Dimensions of the transporter measured. 4.1.2 Load carrying capacity confirmed.
4.2 Load Bulldozer to transporter
4.2.1 Position of transporter checked. 4.2.2 Ramp position and condition checked. 4.2.3 Bulldozer aligned with ramp. 4.2.4 Bulldozer moved to transporter. 4.2.5 Bulldozer tied down 4.2.6 Safety signage for transportation verified.
4.3 Unload Bulldozer from transporter
4.3.1 Bulldozer unloading site checked. o Ground condition o Overhead hazards
4.3.2 Position of transporter checked. 4.3.3 Ramp position checked. 4.3.4 Tie downs removed. 4.3.5 Bulldozer aligned with ramp.
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4.3.6 Bulldozer moved from transporter.
WT- Written Test OQ- Oral Question PT- Practical Test DO – Direct Observation SR- Supervisor’s report SN–Simulation
RP- Role Play PG –Photographs VD- Video CT – Certificates TS – Testimonials (Reward) PP – Product Produced
CS – Case Study
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Range Statement
Variable Range
Position of transporter May include but not limited to:
Ground condition
Overhead transmission
Ramp position and condition May include but not limited to:
Angle/slope
Strength
Foreign object
Slippery surface
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5 Unit No: 5 Unit Title: Operate Bulldozer with blade and ripper
Unit code:
Elements of competency Performance standards
5.1 Travel forward
5.1.1 Hydraulic system lock released. 5.1.2 Blade and ripper positioned in travel mode. 5.1.3 Power Take Off (PTO) lever positioned to neutral. 5.1.4 Parking brake lever released. 5.1.5 Engine RPM selected. 5.1.6 Transmission/brake lock released. 5.1.7 Gear lever shifted to forward mode. 5.1.8 Gear engaged.
5.2 Travel reverse 5.2.1 Rear view mirrors viewed. 5.2.2 Signal perceived. 5.2.3 Gear lever shifted to reverse mode. 5.2.4 Gear engaged.
5.3 Turn left/right
5.3.1 Bulldozer moved forward. 5.3.2 Left/right signal engaged. 5.3.3 Turning Left
o Left turning lever pulled/Joystick moved left. 5.3.4 Turning right
o Right turning lever pulled/Joystick moved right.
5.4 Perform dozing 5.4.1 Worksite inspected. 5.4.2 Work area marked. 5.4.3 Engine RPM set to working range. 5.4.4 Bulldozer aligned. 5.4.5 Earth dozed. 5.4.6 Earth disposed.
5.5 Perform cutting/stripping
5.5.1 Worksite inspected. 5.5.2 Work area marked. 5.5.3 Engine RPM set to working range. 5.5.4 Bulldozer blade positioned to cut/strip the ground.
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5.5.5 Bulldozer moved forward. 5.5.6 Earth disposed.
5.6 Perform spreading 5.6.1 Worksite inspected. 5.6.2 Work area marked. 5.6.3 Engine RPM set to working range. 5.6.4 Bulldozer positioned perpendicular to the side bank of stockpile. 5.6.5 Blade lowered to the desired height. 5.6.6 Bulldozer moved forward pushing the stockpile's material. 5.6.7 Material spread.
5.7 Perform leveling 5.7.1 Worksite inspected. 5.7.2 Work area marked. 5.7.3 Engine RPM set to working range. 5.7.4 Cutting, filling and leveling performed.
5.8 Perform ditching 5.8.1 Worksite inspected. 5.8.2 Work area marked. 5.8.3 Blade aligned perpendicular to line of ditch. 5.8.4 Bulldozer moved and ditch formed.
5.9 Perform backfilling 5.9.1 Worksite inspected. 5.9.2 Work area marked. 5.9.3 Engine RPM set to working range. 5.9.4 Bulldozer positioned for backfilling. 5.9.5 Bulldozer moved and backfilled.
5.10 Perform side hill cutting 5.10.1 Worksite inspected. 5.10.2 Work area marked. 5.10.3 Engine RPM set to working range. 5.10.4 Bulldozer positioned for bench preparation. 5.10.5 Bench cut and Bulldozer positioned for side hill cut. 5.10.6 Side hill cut and earth disposed.
5.11 Perform ripping 5.11.1 Worksite inspected. 5.11.2 Work area marked. 5.11.3 Engine RPM set to working range.
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5.11.4 Blade positioned in travel mode. 5.11.5 Ripper pressed to the ground. 5.11.6 Bulldozer moved forward and earth ripped.
5.12 Perform tree felling 5.12.1 Worksite inspected. 5.12.2 Work area marked. 5.12.3 Size and position of tree assessed. 5.12.4 Engine RPM set to working range. 5.12.5 Earth around roots cleared. 5.12.6 Tree pushed and felled.
5.13 Remove rocks and boulders 5.13.1 Worksite inspected. 5.13.2 Work area marked. 5.13.3 Engine RPM set to working range. 5.13.4 Blade positioned for boulders/rocks uprooting. 5.13.5 Boulders/rocks pushed.
5.14 Prepare road shoulders 5.14.1 Worksite inspected. 5.14.2 Road shoulder marking pegs inspected. 5.14.3 Engine RPM set to working range. 5.14.4 Blade positioned for road shoulder formation. 5.14.5 Material cut, pushed and spread. 5.14.6 Road shoulder prepared.
6 Task Performance Requirements (Tools, Equipment and Materials):
Bulldozer in operating condition, cotton waste, checklist, pen, pegs, measuring tape, lime powder, hammer, personal protective equipment (helmet, safety goggles, earplug, mask, safety jacket, gloves, safety boot), first aid box, fire axe and fire extinguisher.
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7 Safety and Hygiene (Occupational Health and Safety):
Use Personal Protective Equipment (PPE).
Avoid slippery floor and steps.
Aware of overhead and underground hazards.
Aware of falling objects during work.
Aware of noise and vibration hazards.
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8 Required Knowledge
Technical Knowledge Applied Calculation Graphical Information
Engine RPM Range
Ground condition
Underground and overhead hazards
Peg fixing and marking of job
Driving uphill/downhill
Operating on slopes
Underwater operation
o Crossing river
o Material excavation
o Precaution
Slot dozing
Pushing scrappers
Towing compactors
Windrow formation
Winch operation
Rock breaking operation
Scheduling of hydraulic oil change for different attachments
Soil type
Difference between top soil and sub soil
Demolition of structure
Tree felling, rock and boulders removing procedure
Road construction
Environmental consideration
Exhaust emission
Abnormal noises
Read and interpret site/work
plan.
Read and interpret instrument
panel's gauges and meters.
Read and interpret
manufacturer's operation
manual.
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9 Assessment of Competency
Unit: 5
Unit Title: Operate Bulldozer
Candidate Details Assessors Detail
Candidate’s Name:
Registration Number:
Symbol No:
Test Centre: Test Date:
Assessors' Name
1.
2.
3.
ID/License No:
Element of competency Performance Standards Standard
Met Standard Not Met
Evidence Type
Comments
5.1 Travel forward
5.1.1 Hydraulic system lock released. 5.1.2 Blade and ripper positioned in travel mode. 5.1.3 Power Take Off (PTO) lever positioned to neutral. 5.1.4 Parking brake lever released. 5.1.5 Engine RPM selected. 5.1.6 Transmission/brake lock released. 5.1.7 Gear lever shifted to forward mode. 5.1.8 Gear engaged.
5.2 Travel reverse 5.2.1 Rear view mirrors viewed. 5.2.2 Signal perceived. 5.2.3 Gear lever shifted to reverse mode. 5.2.4 Gear engaged.
5.3 Turn left/right
5.3.1 Bulldozer moved forward. 5.3.2 Left/right signal engaged. 5.3.3 Turning Left
o Left turning lever pulled/Joystick moved left. 5.3.4 Turning right
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o Right turning lever pulled/Joystick moved right.
5.4 Perform dozing 5.4.1 Worksite inspected. 5.4.2 Work area marked 5.4.3 Engine RPM set to working range. 5.4.4 Bulldozer aligned. 5.4.5 Earth dozed. 5.4.6 Earth disposed.
5.5 Perform cutting/stripping
5.5.1 Worksite inspected. 5.5.2 Work area marked. 5.5.3 Engine RPM set to working range. 5.5.4 Bulldozer blade positioned to cut/strip the ground. 5.5.5 Bulldozer moved forward. 5.5.6 Earth disposed.
5.6 Perform spreading 5.6.1 Worksite inspected. 5.6.2 Work area marked. 5.6.3 Engine RPM set to working range. 5.6.4 Bulldozer positioned perpendicular to the side bank of
stockpile. 5.6.5 Blade lowered to the desired height. 5.6.6 Bulldozer moved forward pushing the stockpile's material. 5.6.7 Material spread.
5.7 Perform leveling 5.7.1 Worksite inspected. 5.7.2 Work area marked. 5.7.3 Engine RPM set to working range. 5.7.4 Cutting, filling and leveling performed.
5.8 Perform ditching 5.8.1 Worksite inspected. 5.8.2 Work area marked. 5.8.3 Blade aligned perpendicular to line of ditch. 5.8.4 Bulldozer moved and ditch formed.
5.9 Perform backfilling 5.9.1 Worksite inspected. 5.9.2 Work area marked.
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5.9.3 Engine RPM set to working range. 5.9.4 Bulldozer positioned for backfilling. 5.9.5 Bulldozer moved and backfilled.
5.10 Perform side hill cutting
5.10.1 Worksite inspected. 5.10.2 Work area marked. 5.10.3 Engine RPM set to working range. 5.10.4 Bulldozer positioned for bench preparation. 5.10.5 Bench cut and Bulldozer positioned for side hill cut. 5.10.6 Side hill cut and earth disposed.
5.11 Perform ripping 5.11.1 Worksite inspected. 5.11.2 Work area marked. 5.11.3 Engine RPM set to working range. 5.11.4 Blade positioned in travel mode. 5.11.5 Ripper pressed to the ground. 5.11.6 Bulldozer moved forward and earth ripped.
5.12 Perform tree felling 5.12.1 Worksite inspected. 5.12.2 Work area marked. 5.12.3 Size and position of tree assessed. 5.12.4 Engine RPM set to working range. 5.12.5 Earth around roots cleared. 5.12.6 Tree pushed and felled.
5.13 Remove rocks and boulders
5.13.1 Worksite inspected. 5.13.2 Work area marked. 5.13.3 Engine RPM set to working range. 5.13.4 Blade positioned for boulders/rocks uprooting. 5.13.5 Boulders/rocks pushed.
5.14 Prepare road shoulders
5.14.1 Worksite inspected. 5.14.2 Road shoulder marking pegs inspected. 5.14.3 Engine RPM set to working range. 5.14.4 Blade positioned for road shoulder formation. 5.14.5 Material cut, pushed and spread.
NOSS ID # Developed Date: 2018-05-08 Revision Number ## Revised Date: dd/mm/yy Page:36
5.14.6 Road shoulder prepared.
WT- Written Test OQ- Oral Question PT- Practical Test DO – Direct Observation SR- Supervisor’s report SN–Simulation
RP- Role Play PG –Photographs VD- Video CT – Certificates TS – Testimonials (Reward) PP – Product Produced
CS – Case Study
NOSS ID # Developed Date: 2018-05-08 Revision Number ## Revised Date: dd/mm/yy Page:37
5 Unit No: 6 Unit Title: Park Bulldozer
Unit code:
Elements of competency Performance standards
6.1 Check parking area
6.1.1 Ground checked for firm and level surface. 6.1.2 Ground checked for:
o Landslide
o Land stability
o Retaining structure
6.2 Place attachment 6.2.1 Bulldozer positioned for proper alignment. 6.2.2 Blade and ripper pressed onto ground.
6.3 Shutdown Bulldozer
6.3.1 Engine kept idle for 2-3 minutes. 6.3.2 Engine shutdown. 6.3.3 Hydraulic pressure released. 6.3.4 Hydraulic system locked. 6.3.5 Cabin checked and locked. 6.3.6 Bulldozer dismounted.
6.4 Perform refueling 6.4.1 Engine shutdown. 6.4.2 Fuel tank cap cleaned. 6.4.3 Fuel filled.
6.5 Maintain operation log sheet 6.5.1 Operation log sheet information updated.
6.6 Inspect Bulldozer after parking
6.6.1 Walk around inspection performed for: o Leakage o Track condition o Foreign objects o Pin, bushes, rollers, idlers, sprocket, hosepipe condition o Missing and loose nut bolts/parts/connections o Lights, mirrors and glasses condition o Dents and scratches o Worn out/damaged parts
NOSS ID # Developed Date: 2018-05-08 Revision Number ## Revised Date: dd/mm/yy Page:38
o Blade and ripper condition 6.6.2 Observation reported.
6 Task Performance Requirements (Tools, Equipment and Materials):
Bulldozer in operating condition, screwdriver, spanner, pen, operation log sheet, cotton waste, system location charts, funnel, fuel pipe, fuel, measuring can, personal protective equipment (helmet, safety goggles, earplug, mask, apron, safety jacket, gloves, safety boot), first aid box, fire axe and fire extinguisher.
7 Safety and Hygiene (Occupational Health and Safety):
Use Personal Protective Equipment (PPE).
Avoid slippery floor and steps.
Aware of overhead and underground hazards.
Aware of fire hazards during refueling
NOSS ID # Developed Date: 2018-05-08 Revision Number ## Revised Date: dd/mm/yy Page:39
8 Required Knowledge
Technical Knowledge Applied Calculation Graphical Information
Tools and equipment
o Use and application
o Handling technique
o Safety measures
Engine idling period
Bulldozer parking
Engine shutdown procedure
Operation log sheet
Refueling procedure
Read and interpret operation
log sheet.
Read and interpret
manufacturer's operation
manual.
NOSS ID # Developed Date: 2018-05-08 Revision Number ## Revised Date: dd/mm/yy Page:40
9 Assessment of Competency
Unit: 6
Unit Title: Park Bulldozer
Candidate Details Assessors Detail
Candidate’s Name:
Registration Number:
Symbol No:
Test Centre: Test Date:
Assessors' Name
1.
2.
3.
ID/License No:
Element of competency Performance Standards Standard
Met Standard Not Met
Evidence Type
Comments
6.1 Check parking area
6.1.1 Ground checked for firm and level surface. 6.1.2 Ground checked for:
o Landslide
o Land stability
o Retaining structure
6.2 Place attachment 6.2.1 Bulldozer positioned for proper alignment of parts. 6.2.2 Blade and ripper pressed onto ground.
6.3 Shutdown Bulldozer
6.3.1 Engine kept idle for 2-3 minutes. 6.3.2 Engine shutdown. 6.3.3 Hydraulic pressure released. 6.3.4 Hydraulic system locked. 6.3.5 Cabin checked and locked. 6.3.6 Bulldozer dismounted.
6.4 Perform refueling 6.4.1 Engine shutdown. 6.4.2 Fuel tank cap cleaned. 6.4.3 Fuel filled.
NOSS ID # Developed Date: 2018-05-08 Revision Number ## Revised Date: dd/mm/yy Page:41
6.5 Maintain operation log sheet
6.5.1 Operation log sheet information updated.
6.6 Inspect Bulldozer after parking
6.6.1 Walk around inspection performed for: o Leakage o Track condition o Foreign objects o Pin, bushes, rollers, idlers, sprocket, hosepipe
condition o Missing and loose nut bolts/parts/connections o Lights, mirrors and glasses condition o Dents and scratches o Worn out/damaged parts o Blade and ripper condition
6.6.2 Observation reported.
WT- Written Test OQ- Oral Question PT- Practical Test DO – Direct Observation SR- Supervisor’s report SN–Simulation
RP- Role Play PG –Photographs VD- Video CT – Certificates TS – Testimonials (Reward) PP – Product Produced
CS – Case Study
NOSS ID # Developed Date: 2018-05-08 Revision Number ## Revised Date: dd/mm/yy Page:42
Range Statement
Variable Range
Operation log sheet information May include but not limited to:
Date and time
Job description
Working/idle/break down hour
Fuel/lubricants/hydraulic quantity
Foreign objects May include but not limited to:
Stones
Boulders
Cables
Wires
Ropes
Tree branches
NOSS ID # Developed Date: 2018-05-08 Revision Number ## Revised Date: dd/mm/yy Page:43
5 Unit No: 7 Unit Title: Prepare job estimate
Unit code:
Elements of competency Performance standards
7.1 Assess work volume
7.1.1 Work plan interpreted. 7.1.2 Job types identified. 7.1.3 Work volume calculated.
7.2 Estimate operating hour
7.2.1 Blade and ripper capacity assessed. 7.2.2 Job cycle time estimated. 7.2.3 Operating time calculated.
7.3 Estimate consumables
7.3.1 Hourly fuel consumption identified. 7.3.2 Fuel quantity estimated. 7.3.3 Top up quantity of lubricants, transmission oil and hydraulic oil estimated.
7.4 Esitmate job 7.4.1 Job estimate form filled. 7.4.2 Estimate prepared and submitted.
6 Task Performance Requirements (Tools, Equipment and Materials):
Work plan, pen, pencil, eraser, sharpener, scale, calculator, job estimate form and manufacturer's operator manual.
7 Safety and Hygiene (Occupational Health and Safety):
N/A
NOSS ID # Developed Date: 2018-05-08 Revision Number ## Revised Date: dd/mm/yy Page:44
8 Required Knowledge
Technical Knowledge Applied Calculation Graphical Information
Work plan
Bulldozer capacity
Production capacities of blade and ripper
Cycle time
Consumption
o Fuel
o Lubricant
o Transmission oil
o Hydraulic oil
Job estimation
Read and interpret
manufacturer's operation
manual.
NOSS ID # Developed Date: 2018-05-08 Revision Number ## Revised Date: dd/mm/yy Page:45
9 Assessment of Competency
Unit: 7
Unit Title: Prepare job estimate
Candidate Details Assessors Detail
Candidate’s Name:
Registration Number:
Symbol No:
Test Centre: Test Date:
Assessors' Name
1.
2.
3.
ID/License No:
Element of competency Performance Standards Standard
Met Standard Not Met
Evidence Type
Comments
7.1 Assess work volume
7.1.1 Work plan interpreted. 7.1.2 Job types identified. 7.1.3 Work volume calculated.
7.2 Estimate operating hour
7.2.1 Blade and ripper capacity assessed. 7.2.2 Job cycle time estimated. 7.2.3 Operating time calculated.
7.3 Estimate consumables
7.3.1 Hourly fuel consumption identified. 7.3.2 Fuel quantity estimated. 7.3.3 Top up quantity of lubricants, transmission oil and
hydraulic oil estimated.
7.4 Estimate job 7.4.1 Job estimate form filled. 7.4.2 Estimate prepared and submitted.
WT- Written Test OQ- Oral Question PT- Practical Test DO – Direct Observation SR- Supervisor’s report SN–Simulation
RP- Role Play PG –Photographs VD- Video CT – Certificates TS – Testimonials (Reward) PP – Product Produced
CS – Case Study
NOSS ID # Developed Date: 2018-05-08 Revision Number ## Revised Date: dd/mm/yy Page:46
5 Unit No: 8 Unit Title: Perform basic maintenance
Unit code:
Elements of competency Performance standards
8.1 Drain water from water separator 8.1.1 Water separator checked for water accumulation. 8.1.2 Water drained from separator/sedimenter.
8.2 Service air filter
8.2.1 Pre-cleaner checked and serviced. 8.2.2 Primary air filter checked and serviced. 8.2.3 Safety element checked. 8.2.4 Primary and safety element replaced.
8.3 Service fuel filter
8.3.1 Fuel filter checked. 8.3.2 Fuel filter replaced. 8.3.3 Air bleeding performed and engine started.
8.4 Top-up lubricants 8.4.1 Lubricant cap cleaned. 8.4.2 Lubricant level checked. 8.4.3 Lubricant topped up to prescribed level.
8.5 Top-up coolant
8.5.1 Coolant cap cleaned. 8.5.2 Coolant level checked. 8.5.3 Coolant topped up to prescribed level.
8.6 Top-up transmission oil
8.6.1 Transmission oil tank cap cleaned. 8.6.2 Transmission oil level checked. 8.6.3 Transmission oil topped up to prescribed level.
8.7 Top-up final drive oil 8.7.1 Level plug cleaned. 8.7.2 Final drive oil level checked. 8.7.3 Final drive oil topped up to prescribed level.
8.8 Top-up hydraulic oil
8.8.1 Hydraulic oil level checked. 8.8.2 Hydraulic oil tank cap cleaned. 8.8.3 Hydraulic oil topped up to prescribed level.
NOSS ID # Developed Date: 2018-05-08 Revision Number ## Revised Date: dd/mm/yy Page:47
8.9 Maintain battery electrolyte level
8.9.1 Battery cover removed. 8.9.2 Filler cap cleaned. 8.9.3 Electrolyte level checked. 8.9.4 Distilled water topped up.
8.10 Replace fuse and bulb
8.10.1 Blown fuse/bulb identified and removed. 8.10.2 Fuse specification checked. 8.10.3 Bulb and fuse replaced. 8.10.4 Engine started and tested.
8.11 Clean Bulldozer
8.11.1 Foreign materials removed. 8.11.2 Cabin cleaned. 8.11.3 Under carriage cleaned. 8.11.4 Blade and ripper cleaned.
8.12 Perform reporting
8.12.1 Maintenance sheet filled. 8.12.2 Maintenance sheet submitted.
6 Task Performance Requirements (Tools, Equipment and Materials):
Bulldozer in operating condition, pen, maintenance sheet, screwdriver, pliers, hammer, spanner, wrench set, cotton waste, system location charts, oil can, seal tape, bucket, funnel, lubricants, coolants, transmission oil, final drive oil, hydraulic oil, distilled water, fuse, bulb, filters, personal protective equipment (helmet, safety goggles, earplug, mask, safety jacket, gloves, safety boot), first aid box, fire axe and fire extinguisher.
7 Safety and Hygiene (Occupational Health and Safety):
Use Personal Protective Equipment (PPE).
Aware of overhead and underground hazards.
Avoid slippery floor and steps.
NOSS ID # Developed Date: 2018-05-08 Revision Number ## Revised Date: dd/mm/yy Page:48
8 Required Knowledge
Technical Knowledge Applied Calculation Graphical Information
Tools and equipment
o Use and application
o Handling technique
o Safety measures
Types, grade, Level and uses of:
o Lubricant
o Coolant
o Transmission oil
o Final drive oil
o Hydraulic oil
Level of battery electrolyte
Air filter cleaning procedure
Routine maintenance
Read and interpret
manufacturer's operation
manual.
Read and interpret
maintenance sheet.
NOSS ID # Developed Date: 2018-05-08 Revision Number ## Revised Date: dd/mm/yy Page:49
9 Assessment of Competency
Unit:8
Unit Title: Perform basic maintenance
Candidate Details Assessors Detail
Candidate’s Name:
Registration Number:
Symbol No:
Test Centre: Test Date:
Assessors' Name
1.
2.
3.
ID/License No:
Element of competency Performance Standards Standard
Met Standard Not Met
Evidence Type
Comments
8.1 Drain water from water separator
8.1.1 Water separator checked for water accumulation. 8.1.2 Water drained from separator/sedimenter.
8.2 Service air filter
8.2.1 Pre-cleaner checked and serviced. 8.2.2 Primary air filter checked and serviced. 8.2.3 Safety element checked. 8.2.4 Primary and safety element replaced.
8.3 Service fuel filter
8.3.1 Fuel filter checked. 8.3.2 Fuel filter replaced. 8.3.3 Air bleeding performed and engine started.
8.4 Top-up lubricants 8.4.1 Lubricant cap cleaned. 8.4.2 Lubricant level checked. 8.4.3 Lubricant topped up to prescribed level.
8.5 Top-up coolant
8.5.1 Coolant cap cleaned. 8.5.2 Coolant level checked. 8.5.3 Coolant topped up to prescribed level.
NOSS ID # Developed Date: 2018-05-08 Revision Number ## Revised Date: dd/mm/yy Page:50
8.6 Top-up transmission oil
8.6.1 Transmission oil tank cap cleaned. 8.6.2 Transmission oil level checked. 8.6.3 Transmission oil topped up to prescribed level.
8.7 Top-up final drive oil
8.7.1 Level plug cleaned. 8.7.2 Final drive oil level checked. 8.7.3 Final drive oil topped up to prescribed level.
8.8 Top-up hydraulic oil
8.8.1 Hydraulic oil level checked. 8.8.2 Hydraulic oil tank cap cleaned. 8.8.3 Hydraulic oil topped up to prescribed level.
8.9 Maintain battery electrolyte level
8.9.1 Battery cover removed. 8.9.2 Filler cap cleaned. 8.9.3 Electrolyte level checked. 8.9.4 Distilled water topped up.
8.10 Replace fuse and bulb
8.10.1 Blown fuse/bulb identified and removed. 8.10.2 Fuse specification checked. 8.10.3 Bulb and fuse replaced. 8.10.4 Engine started and tested.
8.11 Clean Bulldozer
8.11.1 Foreign materials removed. 8.11.2 Cabin cleaned. 8.11.3 Under carriage cleaned. 8.11.4 Blade and ripper cleaned.
8.12 Perform reporting 8.12.1 Maintenance sheet filled. 8.12.2 Maintenance sheet submitted.
WT- Written Test OQ- Oral Question PT- Practical Test DO – Direct Observation SR- Supervisor’s report SN–Simulation
RP- Role Play PG –Photographs VD- Video CT – Certificates TS – Testimonials (Reward) PP – Product Produced
CS – Case Study