national occupational skill standard (noss) · 2018-12-04 · er. babu ram gurung member...

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


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)


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


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.


7 Safety and Hygiene (Occupational Health and Safety):

Use Personal Protective Equipment (PPE).

Avoid slippery floor and steps.


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.


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


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


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


5 Unit No: 2 Unit Title: Perform pre-start inspection

Unit code:


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.


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.


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.







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.



Unit: 2

Unit Title: Perform pre-start inspection


Candidate’s Name:


Symbol No:


Assessors' Name

1.

2.

3.

ID/License No:



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.


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.



CS – Case Study


Range Statement

Variable Range

Foreign objects May include but not limited to:

Stones

Boulders

Cables

Wires

Ropes

Tree branches


5 Unit No: 3 Unit Title: Perform post start inspection

Unit code:


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.



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.




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


manual.



Unit: 3

Unit Title: Perform post-start operation


Candidate’s Name:


Symbol No:


Assessors' Name

1.

2.

3.

ID/License No:



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.


3.5 Perform reporting 3.5.1. Checklist filled.




CS – Case Study


5 Unit No: 4 Unit Title: Load and unload Bulldozer to/from transporter

Unit code:


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.


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.





Aware of overhead and underground hazards.




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


manual.





Unit: 4

Unit Title: Load and unload Bulldozer from/to transporter


Candidate’s Name:


Symbol No:


Assessors' Name

1.

2.

3.

ID/License No:



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.


4.3.6 Bulldozer moved from transporter.



CS – Case Study


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


5 Unit No: 5 Unit Title: Operate Bulldozer with blade and ripper

Unit code:


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.


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.


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.


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.






Aware of falling objects during work.

Aware of noise and vibration hazards.




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


manual.



Unit: 5

Unit Title: Operate Bulldozer


Candidate’s Name:


Symbol No:


Assessors' Name

1.

2.

3.

ID/License No:



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


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.


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.


5.14.6 Road shoulder prepared.



CS – Case Study


5 Unit No: 6 Unit Title: Park Bulldozer

Unit code:


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


o Blade and ripper condition 6.6.2 Observation reported.


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.





Aware of fire hazards during refueling




Tools and equipment



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


manual.



Unit: 6

Unit Title: Park Bulldozer


Candidate’s Name:


Symbol No:


Assessors' Name

1.

2.

3.

ID/License No:



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.


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.



CS – Case Study


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


5 Unit No: 7 Unit Title: Prepare job estimate

Unit code:


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.


Work plan, pen, pencil, eraser, sharpener, scale, calculator, job estimate form and manufacturer's operator manual.


N/A




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


manual.



Unit: 7

Unit Title: Prepare job estimate


Candidate’s Name:


Symbol No:


Assessors' Name

1.

2.

3.

ID/License No:



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.



CS – Case Study


5 Unit No: 8 Unit Title: Perform basic maintenance

Unit code:


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.


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.


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.








Tools and equipment



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


manual.

Read and interpret

maintenance sheet.



Unit:8

Unit Title: Perform basic maintenance


Candidate’s Name:


Symbol No:


Assessors' Name

1.

2.

3.

ID/License No:



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.


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.



CS – Case Study

national occupational skill standard (noss) · 2018-12-04 · er. babu ram gurung member...

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