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IStructE CM Examination preparation
Surrey Branch 2011
Kirsten Morris
Photo: Kirsten Morris
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Marking process
Examiner’s meeting
General explanation of marking process.
Each Chief examiner chairs a discussion with the markingexaminers to prepare for marking the question
Marking
Papers are marked in batches of 20 – each marker gets twobatches.
Moderating
Marks are moderated and the computer identifies papers to beadjudicated by Chief examiner.
Results & feedback
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Marking
Pass mark required in Section 1 and Section 2
Marked by two markers – 2 sets of marks
Moderated by computer – 2 sets of marks
Adjudicated by Chief Examiner (Papersidentified by computer)
Prizes awarded by Chief Examiner for each Q
Feedback is now individualFeedback to markers
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Allocation of Marks
Marks for each part are defined in question
Chief examiner for question defines intention of question and
suggests mark allocation.
Part a Say 10-20% for the reasoned decision and 40-45% for
each solution.
NO EXTRA MARKS awarded for “as option 1” so make it
different
Marks are awarded for showing knowledge.
DON’T ignore issues – you get marks for recognising a problem
even if you don’t know the right solution. A safe engineer
can recognise where his skills are limited.
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Allocation of Marks
DON’T cheat (simplify) the intention of the question
as it could get lead to non compliance of client’s
brief.
Attempt all sections
Provide lots of sketches and diagrams – they
portray ideas quickly and clearly
Rough working sheets with idea bubbles. If you run
out of time writing it up you will get the same
marks for this if it clearly shows your knowledge.Method statement – not just a sequential list think
about access restrictions, temporary work, CDM,
possibly also environment & sustainability.
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Causes of FailureFailure points
– Unstable structure or inadequate section sizes
– Non compliance with clients requirements
– Cannot be constructed
– Others may be identified in the examiner’s meeting
Grossly overdesigned structure
Failure to complete the question
– Practice & preparation
Ignoring part of the question – It is better to show you understand the problem rather than ignore it if
you don’t know the solution
Option 2 is too similar to option 1
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Good presentation / Hints
Show working – rough work / planning will be marked
Draw up schemes roughly with annotations
You must show your reasoning to benefit from the marks
If you don’t understand explain what assumptions you have taken
Additional marks for
– Discussion of how the solution is / is not sustainable
– Environment impact
– H&S / CDM knowledge
Often missing
– Detail on method statement - access restrictions/ material storage/
temporary work/ protection of public & environment
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Chart example
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Image slide
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Image slide
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Image slide
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Preparation tips
Prepare explanation of all likely structural types
– Diagrams of load paths & forces
– Bearing arrangements
Prepare simple structural sizing tables & check lists
Collate reference material for types of structure
Quick foundation sizing reference material
Review past papers and research what you don’t
understand from the examiner’s comments. (CM examCD)
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Handy references
Sustainability Briefing notes IStructE (website)
Reinforced concrete designer’s handbook – Reynolds –
useful quick design charts
Steel Designers manual - useful quick design charts
Chartered Membership Advice Hints – 2010 (website)
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www.mottmac.com
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