The document provides instructions and assessment materials for students to construct an octagonal roof as part of an advanced roofing competency. It includes: - Details on the assessment type, materials provided, and assessment criteria. - Instructions for students to complete calculations, construct the major and minor roofs, take photos, and clean up. - A student checklist and space to record calculations. - Plans to show rafter placement and connection points.

1. © Canberra Institute of Technology RTO Code 0101 Page 1 of 7 Date created: 30/08/2016
cit.edu.au Date updated: 25/06/2019
Assessment Practical/Observation
Student Name CIT Number
Competency Title, Code
and Banner Code
CRN
Advanced Roofs - CPCCCA3009B
OCTAGONAL END
Assessment Type ☐ In the workplace ☒ Simulated environment ☐ Other
Other Team Members
Student Statement: This assessment is my own work. Any ideas and comments made by other people have been
acknowledged. I understand that by emailing or submitting this assessment electronically, I agree to this statement.
Student Signature Date
PRIVACY DISCLAIMER: CIT is collecting your personal information for assessment purposes. The information will only be used in accordance
with the CIT Privacy Policy.
Assessor Feedback (also complete observation checklist and questions on last page)
 Student provided with feedback
Attempt 1 ☐ Satisfactory ☐ Not Yet Satisfactory Date / /
Attempt 2 ☐ Satisfactory ☐ Not Yet Satisfactory Date / /
Assessor
Name
Assessor Signature
Note to Assessor: Please record any reasonable adjustment that has occurred for this assessment.
Instructions to Assessor
Work, Health and Safety: A work health and safety check of the assessment environment is to be conducted prior to the assessment and any
hazards addressed appropriately.
List the assessment range and conditions, time and materials on the next page
These sections should be detailed enough for multiple assessors to consistently implement the assessment and include details of location, time
restrictions, level of assistance permitted (if any), WHS, environment protocols, etc. The student should have access to techniques, procedures,
information, resources and aids which would normally be available in the workplace. Include if open or closed book.
Materials provided may include: assessment paper, site plan, text, internet access, etc.
Materials supplied by student may include: personal protective equipment
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2. © Canberra Institute of Technology RTO Code 0101 Page 2 of 7 Date created: 30/08/2016
cit.edu.au Date updated: 25/06/2019
Information for Students: You may have two (2) attempts for this assessment.
• If your first attempt is not successful, your teacher will discuss your results with you and will arrange a
second attempt.
• If your second attempt is not successful, you will be required to re-enrol in this unit.
Only one re-assessment attempt will be granted for each assessment item.
Time Allowed: 4 hours
Materials Provided by Assessor: All materials and tools required to complete the task will be provided.
Materials and Equipment to be Supplied by the Student: Personal protective equipment PPE and nail bag.
Assessment Range and Conditions: Assessment will be conducted in simulated work environment CIT
Bruce under teacher supervision at all times. if at any stage the assessors deem the assessment to be
unsafe it will be stopped. Access to all resources, manual and standards is permitted. All mobile phones
are to be switch off.
Assessment Criteria: To achieve a Satisfactory result, your assessor will be looking for your ability to
demonstrate the key skills/tasks/knowledge detailed in the Assessment Task to industry standard.
The criteria that you will be assessed for this task are:
Planning and Processes Planned, organised task and perform work following
accepted industry processes and standards.
Take responsibility for own
outputs in work and learning
Actively participated and engaged as an individual and/or
team member in all tasks and activities.
Specifications Job meets specification requirements, to industry standard
Time Management Task achieved within time and available information
requirements
Communication Written and oral communication met minimal job /task
requirements
WH&S Maintain a safe work environment and complied with
WHS regulations supervisor instructions and used
appropriate PPE for required tasks
Clean-Up Materials, tools and equipment are stored in line with
instruction. Area is left clean and free from hazards

3. © Canberra Institute of Technology RTO Code 0101 Page 3 of 7 Date created: 30/08/2016
cit.edu.au Date updated: 25/06/2019
INSTRUCTIONS:
You are required to construct a “OCTAGONAL END’ Pitched Roof.
Using the plans provided, you are required to:
1. Complete the JSA and Toolbox talk for this Practical Assessment
Class participation activity on Ready Skills. Your trainer will form an
open discussion to assist with completing both the JSA & Toolbox talk activities.
2. Select all hand & power tools required for this Practical Assessment
Class participation activity with Toolbox Talk. Your trainer will form an
open discussion to assist with completing this activity.
3. Select all materials required for this Practical Assessment
Class participation activity with Toolbox Talk. Your trainer will form an
open discussion to assist with completing this activity.
4. Complete all calculations required for measuring, marking & cutting roof framing
members
Students will need a pencil, eraser & a scientific calculator.
Your trainer will supply worksheets for all roof member calculations.
Students are required to successfully complete all calculations and
to write these dimensions on the attached rafter drawings.
5. Construct both Major & Minor roofs
In teams of 2, students are to construct the OCTAGONAL END Pitched Roof.
Using 70 x 35 mgp10 pine. Students are to set-out, measure & cut 1 pattern
Common Rafter & 1 pattern Hip Rafter. Once your trainer has inspected &
confirmed these rafters, you may then proceed to setting out the roof frame member
locations and constructing your OCTAGONAL END pitched roof.
6. Take photographs of completed Practical Assessment activity & upload to drop-box
Use your phone and the ready skills app, take a few photographs of the completed Roof
and a photograph of your completed calculations sheet.
These are to be submittedintoreadyskills.
7. Dismantle, de-nail roof frame & return all tools to store.
Roof model to be SAFELY de-constructed, ALL fixings removed.
Any re-usable timber lengths are to be stowed in racks.
All small timber pieces placed in scrap bins and work area cleaned.
All tools are to be returned to the store.
You MUST report any tool defects or damage to your trainer.

4. © Canberra Institute of Technology RTO Code 0101 Page 4 of 7 Date created: 30/08/2016
cit.edu.au Date updated: 25/06/2019
Student Checklist 
T1 Student actively participated in a toolbox talk and agreed to its content ☐
Student contributed to the development of a JSA and its control rating, with consideration to environmental
requirements
☐
Student correctly selected and used PPE for given tasks ☐
Student carried out task in accordance with the JSA and organisational policies and procedures. ☐
T2 Student used written and verbal communication skills during this topic, also completed the non-verbal
communication document
☐
Student worked with others in a team to achieve given tasks ☐
T3 Student was able to interpret and apply relevant work instruction and complete all documentation given. ☐
Student was able to read and interpret plans, site drawings and specifications ☐
T4 Student listed and selected the correct materials for the given tasks ☐
Student listed and selected the correct tools for the given tasks ☐
☐
Student checked tool and equipment for serviceability and reported any faults to the appropriate person ☐
T5 Working in small groups the student communicated and coordinated with the team to set out roof
members for an octagonal end roof
The task:
• Student set out the top plate for roofing members according to plans and calculations
• Ridge board was cut and marked to plans and calculations
• Common rafter were cut to the correct length including birds mouth, ridge reduction and eave
overhang to meet drawings and calculations
• Hip rafters were cut to the correct length including birds mouth, ridge reduction and eave overhang
to meet drawings and calculations
• Creeper and valley rafters are cut to meet drawings and calculations
• Student installed Rafters in correct sequence
☐
T6 Working in small groups the student communicated and coordinated with the team to install roof supports
for an oblique end roof
The task:
• Student cut and installed under purlins according to drawings and specs
• Student cut and installed struts according to drawing and specs
• Trimmers are fitted to gable ends and a verge rafter installed according to drawings and specs
• Student was able to show and communicate where and how a fire system would be installed
☐
T7 Student had been assessed and uploaded photos of task to eLearn before clean up commenced ☐
Student de-constructed the task in a safe and methodical system ☐
All material was disposed of appropriately, reusing and recycling materials when applicable ☐

5. © Canberra Institute of Technology RTO Code 0101 Page 5 of 7 Date created: 30/08/2016
cit.edu.au Date updated: 25/06/2019
Calculate rafters for the octagonal bay end
Based on the steel frame in the barn, measure and calculate the following measurements, the attached
plans on this document may help you.
1 roof span
2 half span
3 degree
4 degree
5 plan length
6 plan length
Eave span 300mm
Rafter spacing 450mm

6. © Canberra Institute of Technology RTO Code 0101 Page 6 of 7 Date created: 30/08/2016
cit.edu.au Date updated: 25/06/2019
1 half span rafter 7 hip half span
2 eave rafter 8 hip rise
3 deg rafter 9 rafter line length of hip
4 rafter line length 10 hip deg
5 eave RLL 11 hip eave
6 ridge reduction
(on the angle)
12 hip eave RLL
My Roof Pitch:__________
Note: You may need to refer to the
plans on page 5 to help solve some
of these equations

7. © Canberra Institute of Technology RTO Code 0101 Page 7 of 7 Date created: 30/08/2016
cit.edu.au Date updated: 25/06/2019
This drawing is to show placement and connection points. You must use the pitch and
measurements given and calculated from this document.
This document simulates a working site specifications document, you will need to
gather the complete picture of this job from multiple pages and sections of
information and bring it all together to complete the task.
Note: Under-perlins break the span of the rafter in half
Collar ties stop the rafters from spreading