5.1 The recommended scales for use on technical drawings are specified in the following table. Category Enlargement scales Full size Reduction scales 50: 1 5:1 Recommended scales 1:2 1:20 1 : 200 1: 2 000 20:1 2:1 1:5 1:50 1:500 1 : 5 000 10:1 1:1 1:10 1:100 1:1000 1:10 000 NOTE- If, for special applications, there is need for a larger en- largement scale or a smaller reduction scale than those shown in the table, the recommended range of scaies may be extended in either direction, provided that the required scale be derived from a recom- mended scale by multiplying by whole number powers of 10. In exceptional cases where for functional reasons the recommended scales cannot be applied, intermediate scales may be chosen.

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A. PNS ISO 5455:1979 B. PNS ISO 5455:2010 C. ISO 5455:1979 D. NONE IF THE ABOVE
5.1 The recommended scales for use on technical drawings
are specified in the following table.
Category
Recommended scalas
10:1
Enlargement
scales
50:1
5:1
20 : 1
2:1
Full size
1:1
1:10
1:100
1:1000
1:10 000
1:5
1:50
1:2
1:20
1:200
1:2 000
Reduction
scales
1:500
1:5 000
NOTE - If, for special applications, there is need for a larger en-
largement scale or a smaller reduction scale than those shown in the
table, the recommended range of scales may be extended in either
direction, provided that the required scale be derived from a recom-
mended scale by multiplying by whole number powers of 10. In
exceptional cases where for functional reasons the recommended
scales cannot be applied, intermediate scales may be chosen.
Transcribed Image Text:5.1 The recommended scales for use on technical drawings are specified in the following table. Category Recommended scalas 10:1 Enlargement scales 50:1 5:1 20 : 1 2:1 Full size 1:1 1:10 1:100 1:1000 1:10 000 1:5 1:50 1:2 1:20 1:200 1:2 000 Reduction scales 1:500 1:5 000 NOTE - If, for special applications, there is need for a larger en- largement scale or a smaller reduction scale than those shown in the table, the recommended range of scales may be extended in either direction, provided that the required scale be derived from a recom- mended scale by multiplying by whole number powers of 10. In exceptional cases where for functional reasons the recommended scales cannot be applied, intermediate scales may be chosen.
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