Mathsoul My-Story Posters Ryan Not Enough Space Pythagoras Trig Trigonometry

Ryan's Mathsoul Poster

Ryan contracting are fitting out their first major high-rise project. Because a corridor was widened Ryan needs to get a revised position for the duct offset wall approved by the architect and owner. The new position proposed for the offset wall is shown in the diagram.

Changes like this can be made to;  resolve problems not identified during initial planning, meet new requests from owners and architects, or to work-around difficulties with the supply of specified materials or construction services. These changes typically involve additional costs, and one of the most important aspects of profitable project management is documenting these variations, and prior agreement on who will meet the additional costs.

 

Mathsoul Ryan Poster Wall Diagram

Ryan's Poster Questions
Q1. What is the length of the "run" of the proposed new position offset-wall?
Q2. What is the length of the "run" of the offset-wall in the initial plan?
Q3. What is the angle marked x, of the proposed new position offset-wall, in degrees. Express in both decimal degrees, and in degrees and minutes?
Q4. If you were Ryan would you claim extra cost for this variation - when the variation involves a shorter wall and hence less use of materials? How would you do this so as to avoid setting a disadvantageous precedent for the treatment of future variations?

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Worksheet last updated (Question 2) on 1 August 2008

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