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Single-Storey Frames, Shells and Lightweight Coverings 175<br />

Joint<br />

Purlins at 1.4 centres<br />

20° slope<br />

2.75<br />

3.8<br />

970<br />

15.0<br />

Joint<br />

225<br />

Raised tie tubular steel lattice truss<br />

90 o/d<br />

165 × 150<br />

plates<br />

90 o/d rafter<br />

27 o/d tube<br />

34 o/d tube<br />

27 o/d tubes<br />

75 o/d tie<br />

380 × 200 end plate<br />

90 o/d rafter<br />

215 diameter plate<br />

Purlin cleat<br />

75 o/d tie<br />

34 o/d<br />

34 o/d tube<br />

Welds<br />

27 o/d tube<br />

75 o/d tie<br />

200 × 100 plate<br />

Welds<br />

Figure 4.15 Raised tie tubular steel lattice truss.

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