Mixing concrete - Precision Consultancy

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ACSF Assessment tasks

Mixing concrete

Target core skills

This task covers ACSF:

Reading, Writing and Numeracy at Level 2

 Reading and Numeracy at Level 3.

Target audience

This task has been developed for workers in the Construction industry, but could also be used for candidates who have completed concreting-type tasks around the home.

Content coverage

The task includes reading and interpreting instructions on a brochure and applying them to various circumstances. It includes a role play to answer a telephone inquiry about the information included in the brochure.

Question

1

2

5

6

3

4

7 - 8

Part B

Instructions to assessor

Part A of the task requires the candidate to:

 read the brochure

 write answers to the questions that relate to the information in the brochure, which involves carrying out some numeracy tasks.

Ask the candidate to read the text and check they understand the words. Ask the candidate to complete the questions that follow.

Part B of the task involves a role play of a telephone call, where the assessor plays the part of making an inquiry about a concreting task. This task is designed to allow the candidate to demonstrate ACSF

Level 3 Oral Communication.

ACSF mapping

Domains of Communication

Workplace and employment and/or

Education and training

ACSF skill level indicator

2.03 2.04

2.04

2.03 2.04

2.03 2.04 2.05 2.06

2.09

2.09 2.10 2.11

3.09 3.10 3.11

2.07 or 3.07

2.08 or 3.08

3.09 3.10 3.11

© Commonwealth of Australia, 2013

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Mixing concrete

Part A: Interpret a brochure

Mixing concrete:

Basics and handy hints

Concrete is used in a wide variety of building projects both domestic and commercial. Concrete is a safe, strong and simple building material.

EXPERT TOOLS PTY LTD

Small Building Specialists

Check our website for a store near you! www.expertools.com.au

Materials

Water

Sand

 Cement

Stone or gravel

Tools

Hose

Bucket

Shovel

Mixing container, e.g. wheelbarrow

 Rent a concrete mixer for larger projects

Ratios

High strength concrete mix ratio

1 part cement

2 parts sand

3 parts stone or gravel

Gives high strength concrete that is good for ponds, concrete panels and building slabs

General use concrete mix ratio

 1 part cement

2.5 parts sand

3 parts stone or gravel

This concrete is good paths, floors and driveways.

Directions

Using a shovel to put the correct ratio of materials in the mixing container. Slowly begin adding water to the mixture, mixing from the bottom and turning the shovel over repeatedly. Gradually add more water and occasionally stab the mixture with the blade of the shovel. Keep mixing for 2 or 3 minutes after all the materials are thoroughly mixed. The concrete should be smooth – not wet and runny or dry and crumbly.

Handy hints

Allow time to finish the job in one go

Gravel strengthens concrete, however too much gravel can make it difficult to get a smooth finish

If the mix is too wet add small amounts of sand and gravel in the correct ratios

 If the mix is too stiff add small amounts of water and cement

Clean up all the tools and mixing container as soon as you are finished with them

Water should be clean, fresh and free from any dirt, unwanted chemicals or rubbish

Always ‘cure’ the concrete to achieve best strength and hardness

Name: _______________________________________________ Date: ______________________

© Commonwealth of Australia, 2013

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1

Refer to the brochure above to answer the following questions.

1.

Who published this brochure and why do you think they produced it?

_____________________________________________________________________________________________

_____________________________________________________________________________________________

2.

How can I find out where their stores are located?

_____________________________________________________________________________________________

_____________________________________________________________________________________________

3.

Provide at least three examples for how concrete might be used in:

Domestic projects Commercial projects

4.

In your own words describe why you think each of the following hints is important:

Allow time to finish the job in one go

__________________________________________________________________________________________

__________________________________________________________________________________________

__________________________________________________________________________________________

Clean up all the tools and mixing container as soon as you are finished with them

__________________________________________________________________________________________

__________________________________________________________________________________________

__________________________________________________________________________________________

Name: _______________________________________________ Date: ______________________

© Commonwealth of Australia, 2013

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Water should be clean, fresh and free from any dirt, unwanted chemicals or rubbish

__________________________________________________________________________________________

__________________________________________________________________________________________

__________________________________________________________________________________________

5.

Expert Tools have a 1300 number where the last six numbers match the name ‘EXPERT”. What is the number?

1300 _ _ _ _ _ _

6.

On the grid below indicate which section represents which material that is used in making concrete (cement, sand, stone/gravel), according to the ‘High strength concrete mix ratio’.

Name: _______________________________________________ Date: ______________________

© Commonwealth of Australia, 2013

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7.

Which pie chart below shows the correct ratios for cement, sand and gravel for high strength concrete? (Circle your answer.)

A B C

8.

Complete the following table by calculating the correct amount of material (parts) for each of the following examples. Show how you worked out your answers.

Project

Fish pond

Total amount of dry ingredients

Cement

12

Sand Gravel/stones

Garden path

Driveway

5

9

Name: _______________________________________________ Date: ______________________

© Commonwealth of Australia, 2013

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Part B: Role play a telephone inquiry

You will play the part of a worker at Handy Tools Pty Ltd. Imagine you are new in the job and want to make a good impression. Your manager is busy. When the phone rings you decide to take the call and try and answer the queries of the telephone caller.

Your assessor will play the part of the caller making the telephone inquiry.

The caller (assessor) rings Handy Tools Pty Ltd and wants to discuss completing a project involving making a circular driveway at the front of his house. The caller asks for advice about how much cement, sand and gravel will need to be ordered, and also about hiring a concrete mixer. You need to discuss with the caller the quantities of materials required, and the pros and cons of hiring a concrete mixer.

Name: _______________________________________________ Date: ______________________

© Commonwealth of Australia, 2013

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