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UNIT 4 ENGINEERING DESIGN

I Working with drawings

1 In pairs, discuss the different types of design information needed on a complex
engineering project, such as the construction of a large cruise ship. How many different
drawings do you think might be produced for such a project? How would they be
organised and categorised?

2 a 4.1 Joe, a technician at a shipyard, is talking to Linda, one of his engineering colleagues
in the design office. He is asking about some information which he can’t find on any of the
drawings. Read the conversation and answer the following questions.
1 What area of the ship are they discussing?
2 What does the technician need to know?

Joe: I have a question about the panels on Staircase 3. You know those glass panels around the
opening, through Deck C?
Linda: Urn, yes. I know where you mean, yeah. Joe: Well, I've been looking for a cross-section
through the deck, at the stair opening. But I can't find one anywhere.
Linda: Isn't there a note on the general arrangement drawing, with a reference to a section on
another drawing?
Joe: I couldn't find one.
Linda: I’ve got the deck plans out, somewhere on here. What's this? Air conditioning schematic,
that's no good. Ah here we are. Deck plan. Urn, no, you're right. There's no section mentioned.
Joe: I mean, in actual fact, what I need is an elevation, showing all the panels from the front.
I thought that might be referenced on the main section through the stairs.
Linda: There is a full set of drawings for all the internal panelling, with details showing
exploded views of all the fixing details, and sections through the panel joints. Do you have
those?
Joe: Not as far as I know.
Linda: And there’s a written specification for the panels, as part of the main spec. That might
specify the sizes.
Joe: Those are obviously what I need, then. I want to see how many there are, and what size they
are. Have those drawings been issued?

b Complete the following definitions using the types of drawing in the box.
cross-section elevation exploded view note plan schematic specification
1 A plan gives a view of the whole deck, from above.
2 An gives a view of all the panels, from the front.
3 An together gives a deconstructed view of how the panels are fixed.
4 A gives a cutaway view of the joint between two panels.
5 A gives a simplified representation of a network of air ducts.
6 A drawing. gives a brief description or a reference to another
related.
7 A gives detailed written technical descriptions of the panels.

c Which two types of drawing in Exercise 2b are examples of general arrangement
drawings, and which two are examples of detail drawings?
d Read the following technical questions that came up during the shipbuilding project and

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