Building Surveying Assessment 1: Continuous Assessment – Verandah Design


The purpose of this project is to enable students to practice design skills and apply AS 1684 to a practical application in designing a verandah using knowledge gained during the course. Students will focus on a live site (your house or one that you are familiar with) so that the knowledge developed is highly applicable to the real world


It is beneficial to familiarize yourself with the relationship between the assessment and the course objectives. By the end of this course students should be able to:

  • Evaluate the design and construction of residential buildings in accordance with the Building Code ofAustralia and related Australian Standards.
  • Devise options for the design and construction of residential buildings according to the principles of Performance Design &


Assessment 1 Course Objectives Weighting(% of course grade) Due date(Adelaide time) Word count Submission process
Part A: 

Verandah Site Selection

1, 2 10% 12pm Monday2 October 2023

Week 3

300 words LearnOnline
Part B: Verandah Design 1, 2 30% 12pm Monday23 October 2023

Week 6

1700 words LearnOnline
Total 40% of course grade


Using AS 1684 you will design a verandah for the house you live in, or one that you are familiar with and have access to. Your task is to design each of the timber members for the verandah, applying skills in interpretation and application of AS 1684.


Identify a location for a verandah on a specific site. The verandah will consist of a roof and posts. Detail the location using a site plan; you may include photos of the proposed site. Write 300 words briefly describing the site and referring to images as you do so. What might be some of the opportunities or challenges of this site? What will you need to take into consideration including the scope, limitations, and layout of the site? Identify what these are and how you will account for them in your future design.

Submit One word document of text (300 words)

  • Incorporate Images including photos and sketches (Minimum of 2) into the Word
  • Follow a technical report structure


Design a verandah for your selected site, and detail its construction in plans, elevations and sections. Provide one site plan, one structural plan and two elevations, and use sections to detail connections. Provide a specification that covers the finish to your timber and any other information not covered in your plans. The maximum word count for this submission is 1700 words. Use the appropriate supplement from AS 1684 to design the members and ensure the design also complies with the Standard itself.

  1. Your plans elevations and sections must describe:
    1. All dimensions including length, height, roof pitch and
    2. All structural members to be shown with size, span, seasoned state and stress Members must include purlins, rafters, beams, and posts and may include ridge, collar tie andbracing.
  2. Connection detail for post to ground including footing pad
  3. Connection detail for beam to existing house wall or eave, if needed, as provided for
  4. Specify Roof Cladding as nominated for
  5. Specify finish to protect timber required by AS1684 for outdoor
  6. The following parameters for design are optional:
  7. Decide whether your verandah is flat or gable Do not include hip ends or dutch gables. It may be attached to wall or eaves or freestanding. The size of the verandah is up to you, you may determine this from your site conditions, but it must comply with the limitations of AS 1684.
  8. The purlin, rafter and beam spacing is up to The purlin spacing is dependent on the roof cladding (see Fixed Parameters)
  9. Your beams and rafters may have an overhang if you wish; it must comply with the
  10. The following parameters for design are fixed:
    1. Your design must comply with AS 1684.2. Use Tables within the appropriate Supplement to the You may use Table 53 for verandah posts and the appropriate Table for verandah beams for the beams.
    2. Your verandah will be clad with Lysaght Colorbond coated SPANRIB. SPANRIB 0.42 (base metal thickness 42mm) must be installed with a minimum 2˚ pitch. It is capable of a 2100 single span with 2300 end span. Its mass is 4.6kg/m2.
    3. MGP10 Pine will be the timber
    4. A pad footing to each post of dimensions 450x450x850 deep, with a post shoe of tornado type, fixed to post with 2xM10
    5. If attaching your verandah to a wall, you will use a wall plate of same depth as your rafters, and 45mm thickness, fixed at 600mm centres to the wall. If the wall is masonry, use ‘dynabolts’ and if timber frames wall, use timber bolts.
    6. If your verandah i s freestanding, you will need t o provide lateral bracing in the form of knee

Use 70 x 35 MGP10 900 long fixed to post and rafter at a 45˚ angle.

  1. For eave-attached verandahs you may use one of the attachment details
  1. Include a specification to detail your protection to timber and any information that is required but not stated on the
  2. Your plans and elevations must be clear and Use sections to detail connections for construction.
  3. The design does not need to cover specific fastenings, tie downs, or wind
  4. Include a page to detail your design process (working out) and any information that is required but not stated on the

Submit 1700 words in a single word document including a minimum of:

  1. One structural plan (with labels and dimensions)
  2. Two elevations (with labels and dimensions)
  3. Sections to detail (with labels and dimensions)
  4. Provide a specification which covers the finish to your timber and any other information not covered in your
  5. A page to provide all working out for member
  6. Follow a technical report structure


Ensure that you have completed the learning activities for each topic to be well prepared for the assignment. Use the marking guide/rubric to assist in understanding what is required to achieve success.

Include photographs to identify the site and location of your project.

Sources used for the report must be fully supported by citations. A list of references must be provided at the end of the report.

APA referencing format must be used.

The word count includes all text (including in-text citations) and headings within the main body of the report, but excludes tables, the cover page (i.e., student name, title etc.), contents page and Reference List/Bibliography. Communicating facts clearly and concisely is an important skill to develop in preparation for the professional workplace and therefore it is not appropriate to exceed the word limit (+-10%).

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