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Lesson Four – Alternative solutions and exercises

CPCCBC4001A Apply building codes and standards to the construction process for low rise building projects. Lesson Four – Alternative solutions and exercises. Todays Lesson. Handout (next section P44 to 48 ) Replace from P 44 Alternative Solutions Exercises for above.

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Lesson Four – Alternative solutions and exercises

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  1. CPCCBC4001A Apply building codes and standards to the construction process for low rise building projects Lesson Four – Alternative solutions and exercises Michael Martin - Cert IV - Codes and Standards 2012

  2. Todays Lesson • Handout (next section P44 to 48 ) • Replace from P 44 • Alternative Solutions • Exercises for above Michael Martin - Cert IV - Codes and Standards 2012

  3. Alternative Solutions – from P43 • When developing an Alternative Solution it should be discussed with the Certifying Authoritybefore lodging an application for approval • pre-lodgment consultation • The process allows • the Alternative Solution can be developed • the designer to state their intentions • the Certifying Authority to state their needs Michael Martin - Cert IV - Codes and Standards 2012

  4. Effects on Design • When an Alternative Solution • it is necessary to select the appropriate Performance Requirements against which it will be assessed • known as the holistic approach • Sometimes easy, sometimes takes consideration • The BCA provides a process for selection • Part A0.10 of Volume One - or Part 1.0.10 of Volume Two(text P 44) Michael Martin - Cert IV - Codes and Standards 2012

  5. Example P 45 Michael Martin - Cert IV - Codes and Standards 2012

  6. Complying with Performance Requirements • what the Alternative Solution needs to do in order to comply • an initial assessment can be made • you can also refer to the Guide to Volume One of the BCA. • This include lists of issues • develop your own lists • Review samples P46 to 48 in text Michael Martin - Cert IV - Codes and Standards 2012

  7. Exercise – P 48 • List the issues you think could affect the time to untenable conditions and the time occupants take to evacuate. Michael Martin - Cert IV - Codes and Standards 2012

  8. Time to untenable conditions • Time could be influenced by issues such as; • building design – ceiling height • type of fuel – smoke management system • fire growth – fire brigade intervention • area of enclosure – etc Michael Martin - Cert IV - Codes and Standards 2012

  9. Time to evacuate occupants • Time could be influenced by issues such as; • occupant awareness of danger –ability to locate exit • occupant capability to evacuate –width of exit • occupant travel speed to exit –occupant queuing at exit • occupant travel distance –etc Michael Martin - Cert IV - Codes and Standards 2012

  10. Consideration of Alternative Solutions • The complexity of the processes for developing or assessing Alternative Solutions will vary depending on the issue being addressed • However – the processes need to be applied thoroughly regardless of the issue being addressed Michael Martin - Cert IV - Codes and Standards 2012

  11. Key Messages • Designers have a choice of two pathways when developing Alternative Solutions • comply with Performance Requirements; or • at least equate to DTS provisions • When developing Alternative Solutions • hold preliminary discussions with the Certifying Authority to assess viability • take a holistic view of the content of BCA Michael Martin - Cert IV - Codes and Standards 2012

  12. Exercise • Plan set “Und”- New dwelling • New proposal from client • At present there is no windows to the Garage ? • The client has proposed that there be the addition of a 1.2 high x 2.1 long window to the east wall of the garage. Michael Martin - Cert IV - Codes and Standards 2012

  13. Exercise • Ask yourself these questions with both standards and council in mind and check • Why is there no window to start with? • With the BCA what are the light and ventilation requirements, there is a statement for “habitable rooms” is there one for “non-habitable” ? • What compliance issues does the window raise, even structurally / standards? • What council impact would it have? Permissions? Michael Martin - Cert IV - Codes and Standards 2012

  14. Michael Martin - Cert IV - Codes and Standards 2012

  15. Review Answers • BCA 2012, interpretation 1.1.1.2, • page 26, habitable room • Page 28, private garage • BCA 2012, Classification 1.3.2 • Class 10a a non-habitable building page 36 • BCA 2012 performance provisions 2.4 • O2.4.4 and O2.4.5 page 71 • F2.4.4 and F2.4.5 page 72 • P2.44.4 and P2.4.5 page 73 – 74 • BCA 2012, part 3 acceptable construction • 3.3.3.2 covers lintel sizes, yet flashings and other elements will need to be considered also • AS for brickwork, glazing, etc. • Council – consider approvals, now view to neighbours, permission, etc. • What else did you get? For a simple window ! Michael Martin - Cert IV - Codes and Standards 2012

  16. Reference list • ABCB National Construction Code Awareness Resource Kit • http://www.timber.net.au/index.php/termite-management-for-builders.html • http: www.google.com.au (for some images) Michael Martin - Cert IV - Codes and Standards 2012

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