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BS 7121-7:2019

BS 7121-7:2019

$189.07

Code of practice for safe use of cranes – Bridge and gantry cranes, including light crane systems

Published By Publication Date Number of Pages
BSI 2019 46
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This part of BS 7121 gives recommendations for the safe use of the following general‑purpose crane types:

  1. top-running bridge crane;

  2. under-slung bridge crane;

  3. gantry crane:

    1. portal; and

    2. semi-portal;

  4. light crane systems.

For the purposes of this part of BS 7121 bridge cranes, gantry cranes and light crane systems are all included under the term “cranes”. This part of BS 7121 is intended to be used in conjunction with BS 7121‑1, which gives general recommendations for all types of cranes, and BS 7121-2 (all parts), which gives general guidance on inspection, testing and examination of all types of cranes.

It does not cover:

  1. cranes permanently equipped with specialized load-lifting attachments, for example container cranes, ladle cranes and cranes equipped with vacuum or magnetic lifters;

  2. cranes for special environments such as those for use in explosive atmospheres;

  3. cranes covered by other parts of BS 7121;

  4. cranes permanently installed on marine and other water-borne vessels;

  5. any equipment used to move loads horizontally by way of winching or hauling; or

  6. rubber-tyred gantry cranes (covered in BS 7121‑2‑9).

PDF Catalog

PDF Pages PDF Title
5 Foreword
7 0 Introduction
1 Scope
2 Normative references
8 3 Terms and definitions
9 Figure 1 — Main components of a bridge crane
10 Figure 2 — Pendant push-button box and festoon cable connection
11 Figure 3 — Top-running crane
Figure 4 — Under-slung crane
12 Figure 5 — Portal crane
Figure 6 — Semi-portal crane
13 Figure 7 — Suspended light crane system
Figure 8 — Free-standing light crane system
15 Figure 9 — Support level for various types of hoist
16 Figure 10 — Cable reeling drum
Figure 11 — Energy chain (shown without conductors)
17 Figure 12 — Shrouded conductor system
4 Management of installation and lifting operations
4.1 Safe system of work
18 4.2 Control of the lifting operation
19 4.3 Duties of the appointed person
21 Table 1 — Example load and environmental hazards associated with lifting operations
Figure 13 — Relationship between complexity index and lift category
22 Table 2 — Illustration of the categorization of lifts based on environmental and load complexities
25 5 Planning of the lifting operation
5.1 General
26 5.2 Risk assessment
5.3 Method statement
27 5.4 Team briefing/induction
6 Selection and duties of personnel other than the appointed person
7 Selection of cranes
28 7.1 General
7.2 Crane location
30 7.3 Applications
31 7.4 Multi-crane lifting
32 7.5 Multi-hoist cranes
7.6 Raising or lowering of personnel
7.7 Other features for powered cranes
34 7.8 Other features for hand-powered cranes
8 Information to be exchanged between the user and the designer or supplier
35 9 Installation and commissioning
9.1 Crane supporting structures, including tracks
36 9.2 Cranes
37 9.3 Installation using other lifting equipment
10 Marking, storage and handling
10.1 Marking
10.2 Storage and handling
11 Thorough examination, in-service inspection and maintenance
38 12 Safe use of cranes
40 13 Training
41 Annex A (informative)  Types of crane control systems
42 Annex B (informative)  Dimensions
Figure B.1 — Example of main dimensions
43 Bibliography
BS 7121-7:2019
$189.07