10


ACCIDENT ANALYSIS IN CONSTRUCTION 10.1 Vocabulary A Study the words in box a.


1 Use your dictionary to find out the meanings in technical contexts.


2 What part of speech is each word? B Look at the diagrams on the opposite page.


1 What does each diagram show? Use words from Exercise A.


2 What are the connections between Figures 1–5?


C Read the Hadford University handout. With the help of the diagrams on the opposite


page, complete each gap by choosing a word from box a. Change the form if necessary.


D Study the words in box b.


1 Check the meanings, parts of speech and stress patterns.


2 Put the words into the correct box in the table below, as in the example.


Neutral good small


important try full


clear


E Read the extract from the Adeilada chairman’s letter to shareholders.


1 Use a marked word in place of each of the blue (neutral) words.


2 Look at the red phrases. How strong or confident are they?


It’s clear that communication is important in structural engineering projects and it’s also generally accepted that when accidents happen, they should be addressed quickly and honestly. At Adeilada, we try to do this. In the past year, it’s fair to say that we experienced a problem with the Collinsthorpe building project. There were some clear failures in management and operational communications. Thankfully no lives were lost, but the financial impact was significant. This undoubtedly presents a challenge for our company. However, following a full internal inquiry, we are confident that we have learnt from our mistakes and are in a good position to move on. And although there may be further repercussions from the incident, the impact on dividends next year is likely to be small.


78 Marked excellent, favourable


The hotel consists of two main buildings connected by walkways at two levels (see Figs. 1 and 2). The walkways have a 9-metre


by three steel the walkway. Each walkway was


and each walkway is supported 400 mm deep running across by butt


welding two C-section bars together along their entire length (Fig. 3). The box beams are connected to the suspended floors by steel angles bolted to


beam. One end of the walkway is


at the end of each to plates


in the floor of the building. The other end is supported on bearings in the floor for flexibility in the structure. The box beams are


roof by 32 mm


from steel trusses in the atrium threaded steel hanger rods


(see Fig. 2). In the original design, both upper and lower walkways were suspended off continuous threaded rods (Fig. 3). However, before construction, the design was changed to use two separate sets of threaded rods instead (Fig. 4): one set connecting the top walkway to the roof


;


the other set connecting the bottom walkway to the top walkway. Each threaded rod is box beams and locked in place with


b


through the .


‘neutral’ and ‘marked’ words • expressing confidence/tentativeness a


box beam diameter elevation


fabricate flange layout nut rod schematic screw span suspend truss weld


comprehensive crucial endeavour essential exceptional excellent exhaustive evident favourable insignificant minimal negligible obvious strive thorough vital


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