sc lw2a chargingblastholes.pdf

7/28/2019 SC LW2A ChargingBlastholes.pdf

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LW2

LEARNER WORKBOOK2

INUNDERGROUNDCOALMINES

CHARGINGBLASTHOLES


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2 | LW2 V1 2009 Department o Education and Training | www.skillsonline.net.au

COPYRIGHT

All rights reserved. This work is copyright and available

only rom the SkillsOnline website under license to

NSW DET.

Permission is given to trainers and teachers to make

copies by photocopying or other duplicating processes

or use within their own training organisations, or in a

workplace where training is being conducted.

The onus rests on you as user to ensure compliance

with licensing arrangements. The Licensing Agreement

stipulates the extent to which you can copy this

material.

I you use any portion o the material, you must

acknowledge NSW DET as the copyright owner.

I you develop enhancements o the material, you must

ensure that NSW DET is appropriately acknowledged as

the original copyright owner.

You may not make it available or hire or re-sale with

nancial gain other than at a cost recovery ee or

distribution and within the extent allowed by yourLicensing Agreement.

Outside these guidelines, all material is subject

to copyright under the Copyright Act 1968

(Commonwealth) and permission must be obtained in

writing rom the NSW DET.

ACknOwledGemenT

This work has been produced initially with the

assistance o unding provided by the NSW Department

o Education and Training, Industry Programs, through

the Industry and Enterprise Skills Program with advice

rom the Project Steering Committee.

These resources have been developed by SkillsDMC in

conjunction with industry stakeholders. SkillsDMC wish

to thank Graham Terrey and TAFE NSW or their work

on this project.

dIsClAImeR

The views expressed in this work do not necessarily

represent the views o the NSW Department o

Education and Training. The NSW Department o

Education and Training do not give warranty or accept

any liability in relation to the content o this work.

PROJeCT TeAm

NSW DET would like to acknowledge the valuable

contribution o the many people who generously

gave o their time and ideas and contributed to

the development o these resources by providing

inormation, an industry perspective and review o the

project materials.

nAme ORGAnIsATIOn

Allan Shoesmith Centennial Coal

Bill Brooks WorkCover NSW

Bruce McGeachie Xstrata Coal

Cherie Chen DET NSW

Claire Cappe DET NSW

Craig Parker Pybar

David Barker WorkCover

Graham Cowan NSW DPI

Graham Hogg Downer EDI

Lawrence Buswell Barrick Gold

Leanne Parker Hanson

Lorenzo Laguna Rio Tinto, Northparkes

Mihai Leonte NSW DPI

Michael Creese Newcrest, Cadia ValleyOperations

develOPed BY:

Graham Terrey Mine Resilience Australia

develOPeR TeAm:

Danny Duke Duke Consulting

2nd Project Coordinator

David Chapman TAFE NSW

Dorothy Rao SkillsDMC

Giselle Mawer Giselle Mawer & Associates

Robin Bishop Robin Bishop & Associates

1st Project Coordinator

FuRTHeR COPIes OF THIs

ResOuRCe ARe AvAIlABle FROm

Website: www.skillsonline.net.au

For urther inormation contact:

Email: [email protected]

Or visit SkillsDMC on:

http://www.skillsdmc.com.au/


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Shotring Course | Learners Workbook 2: Charging Blastholes - In Underground Coal Mines LW2 | 3

Candidates details

Name:

Employer:

Position:

Course:

Start Date:

Location:

Signature:

Date:

mAnAGeR / suPeRvIsOR endORsemenT

Name:

Signature:

Date:

Comments:

COACH, TRAIneR deTAIls

Name:

Contact details:

AssessOR deTAIls

Name:

Contact details


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Contents

wHAT Is THIs leARneR wORkBOOk & ReCORd BOOk FOR? 6

WORKBOOK 6

RECORD BOOK 7

PEOPLE WHO CAN HELP 7

Industry Trainer 7

Workplace Assessor 7

Fellow workers 7

Other students/trainees 7

CHARGInG sHOTHOles 8

WELCOME 8

Topics covered in each o the modules 8

ASSESSMENT 10

Conduct o Assessment 10

Successul completion o the unit 10

RECOGNITION OF PRIOR LEARNING (RPL) 10

2.0 selF-AssessmenT CHeCklIsT: CHARGInG sHOTHOles 11

2.1 RevIew QuesTIOns: PRePARe FOR CHARGInG 21

LEARNING & ASSESSMENT TASK 2.1A CHARGING PROCEDURE 27

LEARNING & ASSESSMENT TASK 2.1B - CHECKING THE BLAST AREA AND SHOTHOLES 30

2.2 RevIew QuesTIOns: CHeCk veHICles & eQuIPmenT 34

LEARNING & ASSESSMENT TASK 2.2 CHECKING EQUIPMENT 36

2.3 RevIew QuesTIOns: PRIme sHOTHOles 40

LEARNING & ASSESSMENT TASK 2.3 - PRIMING SHOTHOLES 42

2.4 RevIew QuesTIOns: lOAd THe mAIn CHARGe 44LEARNING & ASSESSMENT TASK 2.4 LOADING THE MAIN CHARGE 47

2.5 RevIew QuesTIOns: CleAn-uP, RePORT sITe & leGIslATIve ReQuIRemenTs 49

LEARNING & ASSESSMENT TASK 2.5 REPORTING / RECORDING 51


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ReCORd OF leARnInG 54

EVIDENCE GATHERED DURING OFF-THE-JOB TRAINING. 54

EVIDENCE GATHERED DURING ON-THE-JOB TRAINING. 54

WHAT HAVE YOU DONE REGARDING CHARGING SHOTHOLES FOR ITEMS IN THE TABLE BELOW? 55

HAVE YOU, FOR EXAMPLE, COMPILED A WORK JOURNAL, OR USED THE JOURNAL BELOW THAT SHOWS THAT YOU HAVE: 61

THIRd PARTY PRACTICAl veRIFICATIOn RePORT: mOdule 2 CHARGInG sHOTHOles 64


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WHat is tHisleaRneRWoRKBooK& ReCoRdBooK FoR?

This workbook covers underground coal mines, and

is similar to a Workbook that has been developed

or all other sites. The two Workbooks this one or

underground coal mines, and the other or all other sites

are deliberately similar and have subtle dierences.

The principles involved are the same or all shotring, but

the precautions are stricter or underground coal minesso the practices dier and are constrained in some areas.

The Learner Resources are also similar and are slightly

slimmer than they are or all other sites as a result.

However, or key principle and or career progression

reasons, the Learner Resources and Workbooks are kept

in parallel so that a person can move rom underground

coal mines to other sites, or the other way around, and

take advantage o the progress they have already made.

The delivery o all our Modules in the Shotring course

involves workshops, demonstrations and workplacepractice. Each Learner Workbook helps you to work

through the Learner Resource and complete the

assessment tasks. It can also help you to:

planyourstudy

buildyourskillasalearner

planwaystoapplyandpractisewhat

you learn (use it, or lose it).

Your workplace trainer will guide you through the material

and some o the activities, and will help you develop alearning approach to ensure you can apply your learning.

This Workbook and Record Book helps a Trainer and an

Assessor to develop and assess your required knowledge

and skill.

WoRKBooK

Throughout this Workbook there are Review Questions

that will test your knowledge o the subject. There are

also some Learning and Assessment Tasks through the

book that help develop your knowledge and skills. Early

on in this book you will nd a sel-assessment checklist to

help you and your Trainer to determine the areas that you

will need to develop urther.


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ReCoRd BooK

At the back o this book there is a section or you to ull

and record your on- and o-the-job experience.

PeoPle WHo Can HelP

You should not eel that you are alone when you study.

There are many people who can help you and also

enhance the quality o your learning experience. How you

study this unit will determine who will be able to assist

you.

IndusTRY TRAIneR

I you study this unit on-site you will have a Trainer who

will either teach the unit in a ace-to-ace situation or

guide you through the unit i you are doing it sel-paced.

Your Trainer can answer any questions and give you

advice about:

whereyoucanndinformation

safetyissuesinvolvedinperformingactivities

wheretondequipmentandanyothermaterials

required or perorming activit ies, and

performancestandardstobeachieved

when perorming activities.

wORkPlACe AssessOR

I you study this unit through an external training

organisation you may be required to be assessed on-site

by a workplace assessor. The workplace assessor can

give you advice about:

how,whereandwhenyouwillbeassessed

assessmenttasks,and

assessmentstandards.

You will also get eedback rom the assessor about your

perormance.

FellOw wORkeRs

I you are studying this unit on-site you will be able to

obtain assistance rom those around you. They can

advise on a wide range o issues including:

currentpracticesandprocedures

whereyoucanndinformation

that will assist your studies

themeaningofwordsusedintheunit,and

industryexamplesthatwillhelpyou

to understand basic principles.

OTHeR sTudenTs/TRAInees

I you are studying this unit on-site or at an external

training organisation you will have other students/trainees to help you. Other student/trainees will have

dierent work experiences and can help with many things

including:

studygroupswhereyoucandiscusstheknowledge

and skills required to achieve competency

one-to-onequestionandanswersessionstohelp

with your mastery o the contents o the unit, and

emotionalsupportifyouarehaving

diculties with your studies.

Here are some simple tips or saving time, getting the

results you want, and making the most o your learning.

Try using the checklist to assess yoursel as an eective

learner at dierent times during the course.

Learning Tips

1. Clariy course requirements and training times at the beginning

2. Set date targets to nish the assessment tasks

3. Look through all the materials to get the big picture rst

4. Make it your course, not what someone istelling you to do (even i they are)

5. Use and build on the experience and skills you already have

6. Ask questions when you need to clariy any point

7. Make sure you complete/participate in the activities

8. Review each section as you go how does

the learning relate to your job

9. Talk about what you are learning with

others (colleagues, riends)

10. Use what you learn in the workplace while its resh

11. Look or specic, practical ways to use

your learning beyond the course.


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CHaRGinGsHotHoles

WelCoMe

Welcome to Module 2 Charging Shotholes o the

Shotring Course. The Shotring Course has been

structured as a series o our modules each with a

Learner Resource and Learner Workbook. The our

modules are:

1. Storing, Handling, and Transporting Explosives

2. Charging Blast Holes

3. Firing Shots

4. Blast Planning and Reporting

This structure allows fexibility in the delivery o the

training to accommodate diering roles, responsibilities

and requirements o personnel involved in shotring.

TOPICs COveRed In eACH OF THe mOdules

mOdule 1

Storing, Handling, & Transporting Explosives

1. Identiy explosives & associated hazards and comply

with Acts, Regulations, Standards and Codes by

implementing risk management & procedures

2. Access & maintain storage and security o explosives

3. Transport o explosives including deective

explosives & emergency plans & response

mOdule 2

Charging Blast Holes

1. Prepare or charging, including saety requirements

and checking blast area and shotholes

2. Mix / manuacture explosives, and

checking o equipment

3. Prime shotholes

4. Load explosives

5. Clean-up & Report


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mOdule 3

Firing Shots

1. Hook up and test

2. Clear/isolate the area aected by the blast

3. Fire the shot4. Conduct post-blast checks

5. Report

6. Return surplus explosives

7. Handle misres

mOdule 4

Blast Planning & Reporting

1. Design / survey blasts

2. Calculate quantities o explosives required

3. Identiy the Maximum Instantaneous Charge

4. Monitor environmental impacts

5. Reduce blast impacts

6. Dispose o explosives

7. Report

The our modules ollow a learning sequence to

progressively gain the skills necessary or a shotrer.Ater successully learning the Learner Resource and

completing related activities in this Learner Workbook

you should be able to complete the assessment tasks

in charging shotholes with explosives and meet the

requirements or the relevant units o competency.

This Learner Workbook is or people who are already

amiliar with storing, handling & transporting explosives,

and who are involved with charging shotholes. As part o

the shot crew, you want specically to:

1. Prepare or charging

a. Checking plans and procedures

b. Checking weather & blast site or geology etc

c. Isolating the area rom unauthorised people

& trac and rom stray currents

d. Checking shotholes

e. Storing explosives on-the-job properly

. Preventing premature initiation;

2. Conduct or oversight mixing or

manuacturing o explosives

a. Checking vehicles, equipment & delivery

b. Mixing / Manuacturing explosives

including ANFO as required

c. Checking and maintaining charging

& blasting equipment;

3. Prime shotholes

a. Understanding priming options

b. Making up primers

c. Placing primers in shotholes;

4. Load explosives into shotholes

a. Deck-loading as required

b. Dipping & tamping holes while loading

to check the amount o explosives

c. Dealing with water in shotholes

d. Stemming

5. Clean up and report

a. Cleaning up & getting ready to

return unused explosives

b. Keeping various records

c. Maintaining statutory documentation

d. Recording shothole drilling

For assessment purposes it is essential that you

demonstrate competence in these areas.


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assessMent

Assessment will be against the shotring units o

competency in the ollowing Training Packages:

1. MNC04 Coal Training Package

The assessment tasks or Charging Shotholes are

designed to meet the outcomes o the ollowing relevant

units o competency. They are:

a. RIIBLA202 Support Underground Shotring Operations

b. RIIBLA302 Conduct Shotring in

Underground Coal Mines

c. RIIBLA401 Manage Blasting Operations

(Previously supporting learning against

MNCU1048B Conduct shotring operations

MNCU1049B Support Shotring Operations

MNMUGC118A Charge Underground Blasts)

This is urther detailed in another book called the

Learners Guide.

COnduCT OF AssessmenT

Your trainer and/or assessor will conrm with you the

assessment process and your readiness or assessment.

A range o evidence will be gathered or the assessment

including written and/or verbal questions, observation and

third party reports, such as rom your supervisor, o you

applying your knowledge. Assessment tasks are provided

in this Learner Workbook.

suCCessFul COmPleTIOn OF THe unIT

When you have nished working through this module

and the related activities you will need to demonstratethat you can perorm the assessment tasks and meet the

requirements o the units o competency. Assessment

o this module consists o a practical demonstration o

the required skills and answers to written/oral knowledge

questions.

The practical tasks will be similar to the activities that

are included in this Learner Workbook. That is why you

will need to ensure you can perorm the activities in this

Workbook satisactorily. You must practice the activities

until you eel satised that you can perorm them to the

required standard. The activities in this Learner Workbook

prepare you or assessment.

When you are satised that you can achieve competency

in this module you should ask to be assessed.

Successully completing the assessment demonstrates

that you have achieved the module o competency

outcomes. I you are unable to provide evidence

that you can apply your learning in a workplace or in

a simulated situation, you can ask your trainer or a

statement regarding your learning that you can use later

as evidencetowards achieving competency when you are

assessed in the workplace or in a simulated situation oryour Unit.

ReCoGnition oF PRioR

leaRninG (RPl)

Recognition o Prior Learning is the recognition o

competencies you currently hold. In order to grant

RPL your assessor must be condent that you are

currently competent against the endorsed competency

standards. You can use the Sel Assessment Checklist

at the beginning o the Learner Workbook to assess your

knowledge and skill in charging shotholes with explosives.

I you are condent you can demonstrate competence

discuss the opportunity or RPL with your trainer/assessor.


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2.0selF-assessMentCHeCKlist:CHaRGinGsHotHoles

Write / Draw

Beore progressing your learning you might like to use this

sel-assessment checklist to review your knowledge and

skills in critical items o evidence. You can also use the

checklist to see i you:

a. have the knowledge and skills to apply or RPL

b. are ready or assessment at the

completion o the module

c. wish to identiy particular areas in which youd

like to concentrate in your urther development.

Please place a tick (3 ) or cross (5 ) in the boxes as

applicable in the areas listed below.

Note: the ollowing comprehensive checklist is the same

or all Modules so it may be a bit daunting - discuss it

with your Trainer or simply tick the topics with which

you now eel comortable, or the areas on which you

eel you need to concentrate. It is in this orm because,

in 2008, the Units o Competency are in a stage o

consolidation and possible transition. The transition has

been anticipated in the Modules. Do not eel that you

have to be competent in every item below at this stage.

By the time you have completed Module 4, you should

have ticked all o the Competency Unit Reerences.These Units o competency are listed in the table below

and relate to a reerence number in the checklist. For

example, in the rst box relating to Design / survey

blasts, the Competency Unit Reerence Number 1(1.1)

reers to RIIBLA202, Element 1.1, and you would nd

useul material to help you, in Modules 1 and 2, while

Competency Unit 2 material will mostly be covered in

Modules 2 and 3, with Competency Unit 3 being covered

in the main by Modules 3 and 4. As a general (and airly

crude) guide, you might ocus on the those areas relating

to:

1. in Module 1 - the rst Unit o Competency

in the list below (RIIBLA202)

2. in Module 2 parts o the rst two

Units (RIIBLA202 and 302)

3. in Module 3 mostly RIIBLA302

4. in Module 4 mostly RIIBLA302 and 401


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(Your) Name

The ollowing are my views o my knowledge and

experience against a compilation o elements &

perormance criteria rom the ollowing competencies:

1. RIIBLA202 Support underground shotring operations2. RIIBLA302 Conduct shotring in underground coal mines

3. RIIBLA401 Manage Blasting Operations

Note: these Units replace Competency Units:



MNMUGC118A Charge underground blasts

et a Prorac Critria

I ca ho that I ha th rqir

og a ca:

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no

I rthr opt a / or xpric i

1 dig / ry bat

a. Receive,

i. interpret,

ii. clariy and

iii. conrm andiv. manage

blast plans, associated reporting

and related shotring management

work requirements, by preliminary

site inspection i necessary

1(1.1)

2(1.1,

1.3)

3(1.1)

b. Identiy potential hazards/risks associated

with blast planning and related

shotring management work, and

i. manage risks including

managingrisksassociatedwiththe

storage, handling and transport o

explosives, charging shotholes, andconnecting and testing circuits, and

risksassociatedwithdisposal

o explosives and

misres

managingonbehalfofthe

organization, the secure and sae

systems o shotring-related work

2(2.9)

3(1.4, 2)

3(4)

3(5)

3(1.5)

c. Access,

i. interpret and

ii. clariy legislative and

iii. site requirements and

iv. procedures specically carry out

pre-blasting procedures and

v. establish exclusion zone

vi. or the range o shots on site

2(1.2)

d. Arrange / ensure Survey o

blast area to blast plan and

i. site requirements

iscomplete,

locatepositionofblastholesand

preparesurveyreports,and

reporttoappropriatepersonnel


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(Your) Name

et a Prorac Critria


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e. Access,

i. interpret and

ii. apply

geologicalandsurveydataand

weatherconditionsrequired

to complete the shot

1(1.2)

2(1.2,

2.3)

. Carry out calculations to enable

i. pattern design,

ii. loading and

iii. tying in shots within

iv. legislative requirements andv. site procedures

fortherangeofshotsonsiteincluding

1. shots in solid coal

2. shotring in stone

1(1.4,

1.5)

2(2.3)

3(3.8)

1(1.6)

2(1.2)

3(1.3)

3(3.5)

g. Identiy, conrm and adjust the explosives

and accessories required or a blast, and

i. Arrange or purchase and

re-stocking as required

ii. Conduct regular stock-takes

1(1.6,

3.5)

3(3.6)

h. Coordinate and manage support

requirements or all shots, including

i. vehicles,

ii. public and

iii. site notication and

iv. other equipment

1(1.6)

i. Establish as relevant or all shots, the

i. stemming stockpile and

ii. accessories on shot site

1(2.1)


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j. Store explosives and accessories in

acilities at the shot to comply with

i. legislative requirements and

ii. site procedures

k. Establish and communicate access

routes to all shot areas or

i. authorised persons and

ii. vehicles

1(2.5)

2(3.3)

1(2.5)

l. Transport and manage the

transport o explosives and

accessories to blast area and

i. segregate explosives on-the-job

m. Ensure that explosives are

not let unattended

1(3.4)

n. Identiy hole locations and

i. any problems with shotholes or

other non-conorming conditions

in preparation or charging

2(2.8)

1(3.4)


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(Your) Name

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o. Ensure blast holes are primed,

charged, stemmed and tied-in in

accordance with loading plan and

i. identiy non-conorming conditions

ii. fushed out or cleaned

iii. apply explosion inhibitor

iv. tied in

v. carry out pre-blasting procedures

vi. initiated

vii. ollow post-blast procedures

viii. deal with misres

ix. carry out post-blast coordinationx. complete & maintain

records and reports

1(3.8)

1(3.4)

1(3.5)

1(4.1)

1(4.1)

1(3.6)

1(4.3)

1(4.4)

1(4.5)

1(5.1)

1(5.2)

1(3.9)

p. Supervise blast personnel during

i. loading,

ii. tie-in and

iii. initiation operations

3(7)

3(3.2)

q. Test equipment and accessories andi. carry out inspection and

ii. required maintenance ater

shotring operations

iii. manage maintenance o

blasting equipment

1(3.7)3(3.4)

r. Manage the implementation o the sites

blast management plan including

i. Veriying the implementation o the

sites blast management plan


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2 Cacat qatiti o xpoi

rqir

a. Carry out calculations o the

quantities o explosives required

(to enable pattern design, loading

and tying in shots within legislative

requirements and site procedures)

1(1.4)

b. Carry out pre-blasting procedures and

i. establish exclusion zone

1(4.2)

2(3.2)

c. Secure including

i. manage site procedures

or securing shot area

3(3.7)

3 Itiy th maxi Itatao

Charg

a. Carry out calculations o MIC and

i. delay sequences (to enable

pattern design, loading and

tying in shots within legislative


1(1.4,

1.5)

b. Initiate the blast 1(4.3)


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4 moitor irota ipact

a. Carry out calculations o environmental

impacts (to enable pattern design, loading



3(3.1, 4)

b. Declare area sae or re-entry

c. Carry out post blast coordination and

i. Post-blast inspection

d. Conduct blast monitoring and

i. Apply the sites blastmonitoring system

1(5.1,

5.3)

3(3.4)


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5 Rc bat ipact

a. Based on blast monitoring and blast

records ensure uture blast holes

are charged in accordance with

i. loading plan including or

secondaryblastingand

ii. identiy problems (or non-

conorming conditions) to

iii. reduce blast impacts) within

legislativerequirementsand

siteprocedures

3(3.8)

6 dipo o xpoi 1(4.5)

a. Deal with misres 1(2.4)

b. Dispose o

i. damaged,

ii. deteriorated andiii. surplus explosives

iv. not iying relevant

emergency personnel

1(2.2)

c. Maintain inventory control

systems in accordance with


ii. site procedures

3(6)

d. Manage the disposal o misres


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7 Rport 1(5.2)

a. Maintain records including

i. Relevant tickets, permits,

licences or authorities

3(1.2,

3.10)

b. Complete reports 3(1.6)

c. Report, and manage the reporting

o, any unexplained loss or thet

o explosives immediately

3(1.7)


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tHe Use oF iCons

The icons used throughout the Learner Workbook are:

Write / Draw

Write or draw answers in the spaces provided in this

Learners Workbook.

Read

Read as directed.

Technical Inormation

Reer to technical inormation. For the most part this will

be an accompanying Learner Resource, but may also

include relevant standards and site inormation.

Video / Multimedia

Watch a video or other multimedia resource

Activity

These activities require you to locate and use training

resources.

Danger

The activities are potentially dangerous.

Saety

You must ollow saety procedures or wear protective

equipment


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1. What are key hazards you ace when charging shotholes with explosives at your

site? (List at least six key hazards under each the our headings below)

Procedural hazards

Working environment hazards

Equipment & materials hazards


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People hazards

2. List at least ten steps in charging shotholes.


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3. What sorts o things are included in a blast design / plan (outline at least our)?

4. List at least ten things that might cause an emergency to arise.


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5. What steps do/would you take to coordinate charging activities with others who

may be in the area or who may wander innocently into the charging area?

6. List (at least eight) actions in checking the blast area and shotholes.


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7. Describe at least our key precautions that you take/would take when you store explosives on the job.

8. How do/would you prevent a premature initiation with electric detonators?


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leaRninG & assessMent tasK 2.1a CHaRGinG PRoCedURe

Assessment

Obtain a copy o your sites, or a mine like your sites

charging procedures, or review the sample procedurebelow. As part o this Task you will have to adapt the

sample to your site / scope.

This task gets you to access your site procedures, look

at one or charging holes and think about any dierences

between yours, the inormation in Learner Resource 2A

Charging Shotholes and the sample procedure contained

below.

Discuss your procedure or the sample with your shotrer,

supervisor, Trainer or manager so that you understandthe aim o the procedure, responsibilities, why each

precaution must be taken, by whom and when, and how

improvements are made.


You will need to look at your site procedures or charging,

or the sample below, as well as the inormation in Learner

Resource 2A Charging Shotholes.

Write / Draw

Revise your sites procedure or the sample procedure,

and discuss your review with you sites shotrer

beore discussing your review with your supervisor/

undermanager. Make notes on the copy o your site

procedure or on the sample procedure.

Saety

The activities will require you to move around the mine

site and you must ollow saety procedures and wear

personal protective equipment.

SWP / SOP # - SAMPLE CHARGING PROCEDURE (adapt to your site/scope)

1. SAFE CHARGING PROCEDURE FOR

(Scope - you may need to speciy what type o charging this procedure applies to eg normal production, pre-splitting,

secondary breaking etc)

1.1 Aim / Intent / Policy / Purpose o the SWP / SOP

To allow charging o shotholes in a sae, ecient and eective manner; avoiding serious injury or death or health issue

relating to dust, umes or smoke, environmental damage, damage to site equipment, loss o production.

1.2 Defnitions

(add any specic terminology required or the scope or or your site see or example the Glossary in your Learners

Resource)

1.3 Verifcation and Auditing Guidelines

The verication that requirements o this procedure have been carried out will be evidenced by: (insert the name o a

person or the position o that person who will check that the procedure is being ollowed, eg the shotrers supervisor or

a person qualied in blasting)


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1.4 Responsibilities

sit maagr (or gat): approves the procedure and ensures/checks that it is being ollowed. Provides adequate

resources, communication processes & acilities. Supervises blast plan. Hands over control to shotrer at time o ring.

saty maagr: reviews the procedure in light o reviews, incidents, investigation ndings, saety alerts, inormation

rom manuacturers/suppliers, or expressions o concerns by anyone. Supports the shotrer with additional inormation

as required.

shotfrr: supervises shot crew, including any security requirements, and controls ring. Reviews the procedure

whenever there is a signicant change in location or task; in the event o one change, the shotrer will conduct an

inormal risk assessment/JSA with the shot crew. In the event that there are two changes, the shotrer will undertake a

ormal risk assessment involving the shot crew and others involved in the changes.

Shot crew & Employees: stay alert to hazards, ollow instructions & procedures and implement risk controls, take part in

risk assessments / JSAs, and express concerns in the appropriate manner in support o the aim/intent/policy/purpose.

1.5 Employee Inormation and Training

Access at any time to SWP / SOP. Training in blasting / charging procedures and involvement in their review.

Involvement in risk assessments. Inormation and supervision by shotrer.

1.6 Forms / Supporting Documents / Related Documents

Risk assessment / JSA orms inormal and ormal. Note: inormal risk assessments may have a particular name such

as Take 5, etc.

Workplace inspection checklists. Note: these may also include pre-start checks or equipment.

Audit / verication orms.

(does you site have other orms?)

1.7 Procedure

1. Veriy blast plan or the shot and proposed time o ring, checking also the

weather conditions during charging and at the time o the blast

2. Notiy others o the charging and ring activities and set exclusion zones

3. Conduct an inspection o the ace, blast area, shotholes and other work in the vicinity this

check covers many things such as geological eatures in the ace, over-break, muckpile prole

and ragmentation, ring position, as well as protecting other holes not being charged

4. Organise explosives, equipment, people and coordinate activities

5. Review emergency procedures

6. Review likely environmental impacts such as airblast overpressure and ground vibration limits

7. Check equipment & blasting accessories, and their maintenance and ?

8. Review correct amounts and storage o explosives on-the-job

9. Check shot-crew knowledge, experience and understanding o the job, as well as any precautions

especially (or example, no smoking in a coal mine that allows smoking underground)

10. Conrm site clearance, sentry arrangements and ring responsibilities

11. Prepare all primers with appropriate delays and place primers into holes


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12. Fill each shothole with correct amount o explosive

13. Measure amount o explosive in the hole to ensure correct length o stemming

14. Fill the hole with correct type and amount o stemming

15. Connect the initiation

16. Proceed with ring procedure and get clearances prior to ring

17. Follow the post-blast procedure and report

Procedure Review Process

This procedure is to be reviewed whenever any incident, alert or other inormation suggests a review. It should also be

reviewed when a new shotrer is appointed. In any event this procedure should be reviewed no later than every three

years.

Revisions

R # dat dcriptio By Chc Appro

By sig


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leaRninG & assessMent tasK 2.1B - CHeCKinG

tHe Blast aRea and sHotHoles

Activity

Conduct (or develop) a Workplace Inspection o/or a shot

being charged, or about to be charged. Use a workplace

inspection checklist rom your site or use the sample

below.

A workplace inspection is a bit like a pre-start check

that looks a bit wider than just at a vehicle in the case

o a vehicle pre-start. A check o the blast location, and

anything that will be aected by the blast is needed. Most

shotrers and operation managers do this automatically,

and would not be able to describe all the checks in

any particular order, so you may not be able to locate

a Workplace Inspection Checklist or this activity (see

the sample included in your Workbook). A workplace

inspection is a structured look at work being done in a

particular area and is a way o looking at what should

be there, not just what is there. It is a way to nd out

what might be improved, not a way to trap people, so

look beyond the obvious and record positive items as

well (make a note o good things being done that are not

included in the checklist). Ask why i you see something

(including anything in the sample below) that appears oddor wrong and add comments in the right-hand column.


You will need to look at:

1. Your site procedures or Workplace

Inspections, and locate/drat any particular

checklists or blasting; or the,

2. Suggested checklist as shown below.

You might also discuss workplace inspections with your

Trainer, and with your sites saety ocer.

Write / Draw

Write your observation and comments in the spaces

provided in the checklist; the space provided indicates

that you dont have to write copious amounts o

inormation. However, i there is insucient space use an

extra sheet o paper.

Saety





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Sample - WORKPLACE INSPECTION CHECKLIST FOR CHARGING SHOTHOLES

(Note: this is not a complete list or every site)

mi / sit big Ipct: dat o Ipctio

Pro ipctig:

lg rcor i ResulTs co 3= Standard met

5= action required

N/A= Not applicable to this site

It Obratio Rt Cot/Actio

1.0 PRePARInG TO CHARGe shotho

1.1 sHOTFIReR

Conrm person in charge.

Able to supervise others handling explosives

(rom a security perspective).

In possession o blast plan, showing

amountsofexplosiverequiredforeach

shothole or or the average shothole

delaysforeachshotholeorfortheoverallpattern

1.2 eXPlOsIves

Collected rom storage by person with UHL, and who

knew what to collect and in the correct amounts.

Transported saely and separately.

Stored on-the-job saely and separately.

Blasting initiators & accessories ready & checked

wires,

exploder(Shotrerhascontrolofexploderduringcharging)

1.3 BlAsTInG sIGns

Erected where necessary (only needed i someone could

stray into the area - depends on nature o site operations).

Warnings / Sirens available when ring.

Procedure or checking site prior to ring.

Sentries available to block access to exclusion area when ring.

1.4 OTHeR PeOPle / wORk BeInG dOne neARBY

Do these people know that holes are being charged?

Unauthorised people and trac controlled.

Clearing o equipment rom area prior to hook-up.

No hot work / re potential within 10m and that work

being done with suitable re control at the ready.


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mi / Qarry / sit big Ipct: dat o Ipctio

Pro ipctig:

lg rcor i ResulTs co 3

= Standard met

5

= action required

N/A

= Not applicable to this site


1.5 CHARGInG lOCATIOn

Cleared o unnecessary items or potential projectiles.

Firing location known / sae.

Rubbish & fammable material cleared rom within 10m.

Stone-dusting adequate.

Capacity or wetting down the area prior to ring.

1.6 sHOTHOles

Inspected prior to loading

checkedfordepthandobstructions

checkedagainstdrillingrecord

agreeswithblastplanregardingangle

o shothole and direction

stillsuitableinrelationtodistancefromface

collarsclearedfromfall-back.

Shotholes not being charged are plugged.

1.7 CHARGInG CRew

No smoking/implements, radios, phones.

PPE worn.

Appointment o person who will clear the site prior to ring.

1.8 sTemmInG mATeRIAl

Provided and o suitable type/size (less than

1/10th o diameter o shothole).


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mi / Qarry / sit big Ipct: dat o Ipctio

Pro ipctig:

lg rcor i ResulTs co 3

= Standard met

5

= action required

N/A

= Not applicable to this site


2.0 CHARGInG sHOTHOles

2.1 sAFe wORk PROCeduRe / sTAndARd OPeRATInG

PROCeduRe

Available.

Checked, reviewed.

2.2 PRImeRsMade up and laid out next to each hole or

lowered into shotholes progressively.

2.3 lOAdInG mAIn CHARGe

Mobile mixing unit checked.

Check o explosive product

COMMENTS


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2.2ReVieWQUestions:CHeCK VeHiCles& eQUiPMent

Write / Draw

The ollowing questions will provide you with an

opportunity to see how much you know about the

contents o this section.


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1. What checks o vehicles and equipment do you, would you do prior to charging?


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leaRninG & assessMent tasK 2.2 CHeCKinG eQUiPMent

Asessment

Select a vehicle used, or one that could be used in

charging a shot or an item o equipment such as loadingplatorm or loading shotholes and conduct a check or

drat up a check. This task gets you to check your sites

pre-start requirements and approach to reporting deects,

hazards or suggesting improvements.

What does your site, or a mine like yours require in such a

check is there a pre-start checklist?

Have you ound/how would you nd any deects or non-

conormances?

I you have, or might nd any deects or non-

conormances, what is the process or reporting them or

improvements that may be required?

Do you have a hazard reporting system at your site? I

so, list the steps involved in you making the report, right

through to you getting eedback about what has happened

as a consequence o your report.


You will probably nd a checklist to help you check the

vehicle or item o equipment.

Write / Draw

Write your answer in the space provided. I there is

insucient space use an extra sheet o paper.

Saety

The activities will require you to move around the minesite and you must ollow saety procedures and wear


2.2B.1 Briefy describe the vehicle or item o equipment

and describe the main risks as ar as explosives usage is concerned


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Hazar or cocr rgarig th hic / it Ri or raoaby iy coqc o th hazar

ipactig o pop or proprty

and additional comments?

2.2.2 List the checks required.


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2.2.3 Did you / how would you nd any deects or non-conormances?

2.2.4 I you ound or might nd deects or non-conormances, what is the process

or reporting them or improvements that may be required?

and is this the same process or suggesting improvements? I not, briefy outline that process.


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2.2.5 Do you have a hazard reporting system at your site? I so, list the steps involved in you making the

report, right through to you getting eedback about what has happened as a consequence o your report.


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2.3ReVieWQUestions:PRiMe sHotHoles

Write / Draw





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1. What actors should be considered when selecting a primer?

2. When do you (in the steps involved in charging shotholes) prepare primers?

and what precautions do you take when you do? (list at least eight precautions)

3. What are the choices when locating a primer in a shothole, and what is the preerred option?


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leaRninG & assessMent tasK 2.3 - PRiMinG sHotHoles

Activity

Obtain a copy o a typical blast plan and describe the

priming used or this blast.

Make an illustration o a typical hole and outline keys

steps in priming shotholes.


You may need to draw a typical shothole to illustrate key

eatures o priming charges.

Use the diagrams on the ollowing pages to help describeyour priming arrangements.

Discuss this with the shotrer, explosives supplier beore

you discuss it with your supervisor.

Write / Draw



Saety




PRIMING ARRANGEMENTS

KEY FEATURES OF THE PRIMING PROCEDURE

(the rst thing that is done is to)

(the next step is to)


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(then we)

(then we)

(then we)

(then we)

(then we)

(then we)

VARIATIONS (do you do dierent things or example i the holes are in coal, are longer, or wet?)

METHOD OF INITIATING THE PRIMING CHARGE (draw a diagram o, or describe the way you

attach the detonator to the main priming initiating explosive use the next page)


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2.4ReVieW

QUestions: loadtHe Main CHaRGe

Write / Draw





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1. What restrictions are typically applied to explosive charges in underground coal mines?

2. What are (at least three) good reasons or stemming shotholes?

3. What is a common type o stemming material?


46/76


4. What length o stemming in relation to the blast pattern or layout should you use?

5. List some saety rules or stemming practice.

7. How could you load a shothole that has cavities?


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leaRninG & assessMent tasK 2.4 loadinG tHe Main CHaRGe

Activity

Find out how your site or a site like yours tamps

explosives in a shothole.


The resource that accompanies this Learners Workbook

contains inormation about methods o charging, tamping

and stemming shotholes.

You might also ask an explosives supplier or contractor or

advice or inormation about this task.

Please take into consideration any condentiality

requirements when reporting inormation rom any

blasting contractor.

Write / Draw

Write your answers in the spaces provided. I there is

insucient space use an extra sheet o paper. In your

comparison discuss any dierences between the two

contracts and what are the implications or any omissions.

Saety




2.4.1 What steps are taken in loading the main charge in a shothole?

2.4.2 What are key eatures o a tamping stick?


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2.4.3 Why would you not tamp a priming charge?

2.4.4 What is the main reason or tamping a charge?

2.4.5 What conditions might arise that cause you not to tamp a charge?


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2.5ReVieWQUestions:Clean-UP,RePoRt site& leGislatiVeReQUiReMents

Write / Draw





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1. List at least our o the key records that a shotrer will maintain.

2. What are two key licences that a shotrer will need to keep current?


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3. At the completion o charging shotholes, you will undertake some cleaning up in

preparation or nal connections and leaving the blast area while the shotrer starts the hook-

up. List at least our ways in which you will help prepare to evacuate the area.

leaRninG & assessMent tasK 2.5 RePoRtinG / ReCoRdinG

Activity

Find out what blast records are kept or might be kept on

your site and examine the sections that tell whether or not

the charging procedure went according to expectations.

I your charging were not to go according to expectations,

who would need to know and what might they do

ollowing your report?

Respond to the questions below.


You will need to discuss a blast plan with a senior blasting

supervisor.

Write / Draw



Saety

The activities will require you to move around the minesite and you must ollow saety procedures and wear



52/76


2.5.1 What blast plans are, or could be kept at your site, and what detail do/might they record?

2.5.2 What items are/might be recorded to show that the charging went to plan?

2.5.3 Are there diagrams (or example o individual holes, or o the overall plan/design) that go with any detail recorded?


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2.5.4 Does/would the shotrer know that a driller may have recorded

diculties (including non-conormances) on a plan?

2.5.6 Whose job is it to hear about diculties with charging shotholes and what would they do to x any problems?


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ReCoRd oF

leaRninG

evIdenCe GATHeRed duRInG OFF-THe-JOBTRAInInG.

RPL Portolio o evidence o previous training,

work or experience in shotring

RPL Challenge test

Completion o Review Questions in Learner Workbook

Oral questions

Participation in training sessions

Observation checklists or practical situations / simulation

Completion o Learning & Assessment

Tasks in Learner Workbook

Assessment eedback

Other

Other

evIdenCe GATHeRed duRInG On-THe-JOBTRAInInG.

Gather evidence or at least 6 blasts including 2 dierent

types o blasts.

Work Journal/Log Book

Work observation checklists

Third party report

On-site documentation/written work

Oral questions

Statutory declarations

Other

Other


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wHAT HAve YOu dOne ReGARdInG CHARGInG sHOTHOles FOR ITems In THe TABleBelOw?

Include examples rom simulated exercises and rom any shotring other than in underground coal mines.

Chargig shotho What have you done? (Provide a brie description o your work in each or any o the topics; the date, task,

who was the prime contact, and any specic result. Attach a copy o documents where appropriate)

1. Prpar or chargig

a. Checking plans and

procedures

b. Checking weather & blast

site or geology etc


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c. Isolating the area

d. Checking shotholes

e. Storing explosives on

the job properly

. Preventing premature

initiation


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2. Chc hic &

qipt, a thir

aitac

a. Checking vehicles,

equipment & delivery

b. Checking & maintaining

charging & blasting

equipment

3. Pri hotho


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a. Understanding

priming options

b. Making up primers

c. Placing primers

into shotholes

4. loa th ai charg


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a. Loading deck-charges

b. Dipping & tampingshotholes

c. Stemming

5. Ca-p, rcor a

rport


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a. Cleaning-up

b. Keeping various records

c. Maintaining statutorydocumentation

d. Recording shothole drilling


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HAve YOu, FOR eXAmPle, COmPIled A wORk JOuRnAl, OR used THe JOuRnAl BelOwTHAT sHOws THAT YOu HAve (even In A sImulATed eXCeRCIse):

do ay or a o th

ooig practica or?

Y /

oCot

Conducted risk assessmentsprior to blasting

Reviewed charging

procedures at least once

Attended at least one pre-

charging briengs, toolbox

talks, or coordination meetings

Taken action to control the risks

associated with charging shots

on at least three occasions


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do ay or a o th

ooig practica or?

Y /

oCot

Checked vehicles or equipment

associated with blasting prior to

use, or on arrival on site or on-

the-job, on at least one occasion

Checking and maintaining

charging & blasting

equipment on at least one

occasion

Primed shotholes on at

least three shots

Loaded or involved with the

loading o the main charge on

at least three shots (this could

be the same shots as or the

priming)


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do ay or a o th

ooig practica or?

Y /

oCot

Cleaned up ater at

least twelve shots

Maintained various records

o blasting o at least three

dierent types o records


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PRaCtiCal

oBseRVationtHiRd PaRtyVeRiFiCationRePoRts:ModUle 2CHaRGinGsHotHoles

Write / Draw

Who should complete this document and why? Third

party evidence is evidence gathered rom workplace

supervisors, peers and others to support the making o a

judgement. An assessor cannot always observe a learner

or a long period o time and some competency standards

are dicult to observe. Thereore third party evidence can

be essential piece o evidence in the assessment process.

The ollowing checklist can be used by assessors and also

adapted or use by third parties to veriy their observations

o the trainee applying their learning.

Please place a tick (3 ) or cross (5 ) in the boxes as

applicable to veriy Learners competence in the areas

listed below.


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Name o person being assessed

The ollowing are my views o the knowledge and

experience demonstrated by the person being observed,

against a compilation o elements & perormance

criteria rom the ollowing competencies:1. RIIBLA202 Support underground shotring operations

2. RIIBLA302 Conduct shotring in underground coal mines

3. RIIBLA401 Manage Blasting Operations

Note: these Units replace Competency Units:



MNMUGC118A Charge underground blasts

et a Prorac Critria

I ca tat that th pro big

a ca:

Cop

uit R

Y /

no

Th pro rthr opt a / or xpric i

1 dig / ry bat

a. Receive,

i. interpret,

ii. clariy and

iii. conrm and

iv. manage

blast plans, associated reporting and

related shotring management

work requirements, by

v. preliminary site inspection

i necessary

1(1.1)

2(1.1, 1.3)

3(1.1)

2(2.9)

b. Identiy potential hazards/risks associated

with blast planning and related

shotring management work, and

i. manage risks including

managingrisksassociatedwiththe

storage, handling and transport o

explosives, charging shotholes, and

connecting and testing circuits, and

risksassociatedwithdisposal

o explosives and

misres

managingonbehalfoftheorganization, the secure and sae

systems o shotring-related work

3(1.4, 2)

3(4)

3(5)

3(1.5)

2(1.2)

c. Access,

i. interpret and

ii. clariy legislative and

iii. site requirements and

iv. procedures specically carry out

pre-blasting procedures and

v. establish exclusion zone

vi. or the range o shots on site

2(1.2)


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et a Prorac Critria


a ca:

Cop

uit R

Y /

no


d. Arrange / ensure Survey o

blast area to blast plan and

i. site requirements

iscomplete,

locatepositionofblastholesand

preparesurveyreports,and

reporttoappropriatepersonnel

1(1.2)

e. Access,

i. interpret and

ii. apply

geologicalsurveydataand

weatherconditionsrequired

to complete the shot

2(1.2, 2.3)

. Carry out calculations to enable

i. pattern design,

ii. loading and

iii. tying in shots within

iv. legislat ive requirements and

v. site procedures

vi. or the range o shots on site including

shootingsolidcoal

shotringinstone

2(2.3)

3(3.8)

1(1.6)

2(1.2)

3(1.3)

3(3.5)

g. Identiy, conrm and adjust the explosives

and accessories required or a blast, and

i. Arrange or purchase and

re-stocking as required

ii. Conduct regular stock-takes

1(1.6, 3.5)

3(3.6)

h. Coordinate and manage support

requirements or all shots, including

i. vehicles,

ii. public and

iii. site notication and

iv. other equipment

1(1.6)


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et a Prorac Critria


a ca:

Cop

uit R

Y /

no


i. Establish as relevant or all shots, the

i. stemming stockpile and

ii. accessories on shot site

1(2.1)

j. Store explosives and accessories in

acilities at the shot to comply with


ii. site procedures

k. Establish and communicate access

routes to all shot areas or

i. authorised persons and

ii. vehicles

1(2.5)

2(3.3)

l. Transport and manage the

transport o explosives and

accessories to blast area and

i. segregate explosives on-the-job

1(2.5)

m. Ensure that explosives are

not let unattended

1(3.4)

n. Identiy hole locations and

i. any problems with shotholes or

other non-conorming conditions

in preparation or charging

2(2.8)

1(3.4)


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et a Prorac Critria


a ca:

Cop

uit R

Y /

no


o. Ensure blast holes are primed,

charged, stemmed and tied-in in

accordance with loading plan and

i. identiy non-conorming conditions

ii. fushed out or cleaned

iii. apply explosion inhibitor

iv. tied in

v. carry out pre-blast ing procedures

vi. initiated

vii. ollow post-blast procedures

viii. deal with misres

ix. carry out post-blast coordinationx. complete & maintain

records and reports

xi.

1(3.8)

1(3.4)

1(3.5)

1(4.1)

1(4.1)

1(3.6)

1(4.3)

1(4.4)

1(4.5)

1(5.1)

1(5.2)

p. Supervise blast personnel during

i. loading,

ii. tie-in and

iii. initiation operations

1(3.9)

3(7)

3(3.2)

q. Test equipment and accessories andi. carry out inspection and

ii. required maintenance ater

shotring operations

iii. manage maintenance o

blasting equipment

1(3.7)3(3.4)

r. Manage the implementation o the sites

blast management plan including

i. Veriying the implementation o the

sites blast management plan


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et a Prorac Critria


a ca:

Cop

uit R

Y /

no


2 Cacat qatiti o xpoi

rqir

a. Carry out calculations o the

quantities o explosives required

(to enable pattern design, loading



1(1.4)

b. Carry out pre-blasting procedures and

i. establish exclusion zone

1(4.2)

2(3.2)

c. Secure including

i. manage site procedures

or securing shot area

3(3.7)

3 Itiy th maxi Itatao

Charg

a. Carry out calculations o MIC andi. delay sequences (to enable

pattern design, loading and

tying in shots within legislative


1(1.4, 1.5)

b. Initiate the blast 1(4.3)


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et a Prorac Critria


a ca:

Cop

uit R

Y /

no


4 moitor irota ipact

a. Carry out calculations o environmental

impacts (to enable pattern design, loading



3(3.1, 4)

b. Declare area sae or re-entry

c. Carry out post blast coordination and

i. Post-blast inspection

d. Conduct blast monitoring and

i. Apply the sites blast

monitoring system

1(5.1, 5.3)

3(3.4)

5 Rc bat ipact


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et a Prorac Critria


a ca:

Cop

uit R

Y /

no


a. Based on blast monitoring and blast

records ensure uture blast holes

are charged in accordance with

i. loading plan including or

secondaryblastingand

ii. identiy problems (or non-

conorming conditions) to

iii. reduce blast impacts) within

legislativerequirementsand

siteprocedures

3(3.8)

6 dipo o xpoi

a. Deal with misres 1(4.5)

b. Dispose o

i. damaged,

ii. deteriorated and

iii. surplus explosives

iv. noti ying relevant

emergency personnel

1(2.4)

c. Maintain inventory control

systems in accordance with

v. legislative requirements and

vi. site procedures

1(2.2)

d. Manage the disposal o misres 3(6)


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et a Prorac Critria


a ca:

Cop

uit R

Y /

no


7 Rport 1(5.2)

a. Maintain records including

i. Relevant tickets, permits,

licences or authorities

3(1.2, 3.10)

b. Complete reports 3(1.6)

c. Report, and manage the reporting

o, any unexplained loss or thet

o explosives immediately

3(1.7)


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siGnatURes:

Third Party Name:

Role: Date:

Licence, or ticket number:

Signarture:

Learner Name: Date:

Signarture:

Assessor/Instructor Name: Date:

Signarture:

Supervisor Name: Date:

Signarture:

Comments


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notes


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