Health and Safety Executive

Table DO1

Dangerous occurrences 2004/05 - 2008/09p

Reported to all enforcing authorities

Part 1 (Notifiable in relation to any place of work) 04/05 05/06 06/07 07/08 08/09p
1  Failure, collapse or overturning of lifting machinery, excavator, pile driving frame or mobile powered access platform  1 169  1 187  1 023  1 128  1 038
2  The failure of any closed vessel including boiler or of any associated pipework, in which the internal pressure was above or below atmospheric pressure   123   148   119   79   97
3  The failure of any freight container in any of its load-bearing parts while it is being raised, lowered or suspended   14   10   12   6   10
4  Plant or equipment either comes into contact with overhead electric line in which the voltage exceeds 200 volts or causes an electrical discharge   125   84   124   130   120
5  Electrical short circuit which results in the stoppage of the plant for more than 24 hours   220   210   196   224   226
6  Unintentional ignition or explosion of explosives   55   31   123   106   72
7  The release or escape of a biological agent likely to cause human infection or illness   306   320   348   351   362
8  The malfunction of radiation generators   9   12   18   3   21
9  Failure of breathing apparatus in service   102   128   93   92   89
10  Failure of any lifting or life-support equipment during a diving operation which puts a diver at risk   40   26   31   31   23
11  Complete or partial collapse of scaffold over 5 m high   77   44   75   60   39
12  Any unintended collision of a train with any other train or vehicle (other than one recorded in part 4 of this table) which caused, or might have caused, the death of or major injury to any person   2   3 -   2   2
13  Incidents in relation to a well (other than a well sunk for the purpose of the abstraction of water)   54   38   40   56   72
14  Incidents in respect of a pipeline or pipeline works   315   356   348   344   251
15  Failure of fairground equipment in use or under test   23   11   16   14   15
16  Overturning or serious damage to a tank while conveying by road prescribed dangerous substances, or the uncontrolled release or fire involving the substance being conveyed   22   12   4   12   15
17  Uncontrolled release or escape of a dangerous substance, or a fire involving the dangerous substance, when being conveyed by road in a vehicle   72   16   6   7   4
18  Collapse or partial collapse of any building or structure under construction involving over 5 tonnes of materials or any floor or wall of a building used as a place of work   192   138   138   149   110
19  An explosion or fire occurring in any plant or premises which results in the stoppage of that plant for more than 24 hours   316   236   245   257   241
20  The sudden, uncontrolled release of flammable substances   243   227   303   258   178
21  The accidental release or escape of any substance in a quantity sufficient to cause the death, major injury or any other damage to the health of any person   893   932   706   705   730
Part 1 (Notifiable in relation to any place of work)  Total  4 372  4 169  3 958  4 014  3 715
Part 2 (Notifiable in relation to mines)  Total   66   87   71   56   87
Part 3 (Notifiable in relation to quarries)  Total   54   59   67   65   48
Part 4 (Notifiable in relation to railways)  Total  5 737  5 640  5 170  4 803  4 024
Part 5 (Notifiable in relation to offshore workplaces)  Total   421   398   350   415   357
Grand total  10 650  10 353  9 616  9 353  8 231

Notes:

  • Full definitions of dangerous occurrences can be found in 'A guide to the Reporting of Injuries, Diseases and Dangerous Occurrences Regulations 1995'.
  • p Provisional
  • Source: RIDDOR - Reporting of Injuries, Diseases and Dangerous Occurrences Regulations 1995

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Updated 23.10.09