RIICWD535E Prepare detailed design of civil timber structures.
RIICWD535E Prepare detailed design of civil
timber structures.
Task Assessment
Student name:
Assessor
Date:
Project 1 title: Timber Beam Design
Project 2 title: Timber wall frame design
Assessment instructions:
you need to fill up all the head points in the assessment including section 1, 2, and 3.
Occasion 1 case study: Timber Beam
Design
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RIICWD535E Prepare detailed design of civil timber structures.
A spruce timber beam with a rectangular cross-section of 10 cm x 20 cm and a length of 3 meters is
subjected to a concentrated load of 5000N. The modulus of elasticity is (E) for spruce: 11 GPa (11 x
109 N/m2), and the allowable deflection is 10 mm.
Using the provided dimensions and information, calculate the deflection of the timber beam when
subjected to a concentrated load. Consider the beam to be simply supported at both ends.
1) Answer the below questions regarding the data analysis.
(a) Calculate the moment of inertia (I) for the timber beam.
(b) Determine the maximum bending stress (σ) induced in the beam.
(c) Calculate the deflection (δ) of the beam under the applied load.
(d) Compare the design calculated deflection with the allowable deflection and
determine if the beam meets the design criteria.
2) Calculate the cost of the beam supply and installation. For installing five timber beams of 10 cm x
20 cm x 3 m. The price of the linear meter is $165, and the labour work is $85/H. each beam
shall take two hours installation.
3) Identify any potential risks, using the risk matrix to conduct a risk assessment and the control
measures within the structure’s lifecycle.
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RIICWD535E Prepare detailed design of civil timber structures.
ID Risk description Likelihood Impact Risk Rating Mitigating action
1
3
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RIICWD535E Prepare detailed design of civil timber structures.
Occasion 2 case study: Timber Wall
Frame Design
4) For one story house, the information on the construction of the timber wall frame is shown
below in Figure 1.
a) Draw the internal timber members, including the common studs, jack studs,
noggings, windowsill & head, and door’s head.
b) Define the quantities (Linear meter of the timber wall frame including all the
members).
The size of all the members is 45mm x 90mm.
The distance between the studs is 400mm c/c.
Figure 1
5) The construction duration for the carpenter to complete the timber structure of the entire
house will be 16 weeks (8h/day). Please find the below:
a) Calculate the total cost of the timber structure materials of the house
considering that.
The labour cost is $120 / hour for a qualified carpenter (from Monday to
Saturday).
Consider the working rate on Saturday is 1.5 the normal weekdays.
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RIICWD535E Prepare detailed design of civil timber structures.
Timber house framing materials cost $1500 / m 2.
b) Calculate the floor area if the dimensions are 1590mm x 1450mm.
c) If the house has four walls like in Figure 1. What could be the volume if the roof
is flat?
Plan and Prepare for Civil Timber Detailed Design
Work requirements
6) Summary of the project to be completed. This includes all the available information.
Work Documents
7) List all the documentation and data that can be accessed for the project and a brief description of
each.
Legislation and policies and procedures
8) Outline the legislation, policies and procedures for civil timber structural design work. Include at least
two pieces of legislation and two policies and procedures.
Human resources requirements:
9) Include the details of all of those that will be involved in the project and their role and key
responsibilities here.
Power Interest
Stakeholder name Role Requirements
(H/L) (H/L)
5
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RIICWD535E Prepare detailed design of civil timber structures.
Power Interest
Stakeholder name Role Requirements
(H/L) (H/L)
Key tasks to be completed:
10) Include the details of the key tasks to be completed here in order of priority.
Progress report
11) Include details of how the project will be monitored i.e. progress reporting.
Project status report
Reporting period: Project title:
Date of report: Project manager:
Report author: Project Sponsor:
Project Milestone status review
(Demonstrate the project milestones status, expected and completion date).
Status
Expected
Baseline
Task ID Project Milestones (Done or Completion
Completion Date
not yet Date
done)
<Project Milestone name>
<ID>
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RIICWD535E Prepare detailed design of civil timber structures.
Communication requirements
12) Include details of communication processes.
Stakeholder Communication needs Person Medium Frequency
responsible (How?)
Person or What is the information Person responsible How will it be sent Timeframes
groups who required to be sent to this for communicating or distributed? and how
will receive the stakeholder the information often?
information
Finalization of Timber Structure Design
Review
13) You are required to review your work on the project (Occasion 1 & 2) by considering the
following questions:
a) What do you think you did well?
b) What were the challenges for you?
c) What could be improved?
14) Prepare an email to your manager providing your review as per the questions above. As a
guide, your email would include 2 to 3 paragraphs. Send your email to your manager, who
will provide you with feedback.
Feedback
15) Document the feedback you received from your manager here. What further thoughts do
you have on the review of your work based on this feedback? Document this here.
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