IDIP PP Jul 2012 - Unit IC

NEBOSH NEBOSH INTERNATIONAL DIPLOMA IN OCCUPATIONAL HEALTH AND SAFETY

Unit IC: IC: International work place and work equipment safety THURSDAY 5 JULY 2012 3 hou rs, rs , 0930 0930 to 1230 1230 10 minutes reading time is allowed before the start of this examination. You may not write anything during this period.

 An sw er bot b oth h Secti Sec ti on A and an d Secti Sec ti on B

SECTION A This section contains six questions. Answer AL Answer AL L SIX questions. SIX questions.  All questions carry equal marks. The maximum marks for each question, or part of a question, are shown in brackets. You are advised to spend about 15 minutes on minutes  on each question. Start each answer on a new page.

1

A sewer has collapsed and it is necessary to inspect the damage prior to its repair. The inspection requires requires entry into a confined space space 10 metres deep. Outline risks Outline risks to those entering the sewer.

2 

(a)

(b)

3

(10)

Outline the Outline the principles of a Boiling Liquid Expanding Vapour Vapour Explosion (BLEVE) AND (BLEVE) AND giv g iv e examples of actual incidents to support your answer.

(8)

Outline the Outline the effects of a BLEVE.

(2)

Outline the issues that should be included in a fire safety training session for workers.

(10)

ID-C/S/1207 © NEBOSH 2012 page 1 of 3 please turn over This question paper  MUST be returned to NEBOSH after th after  th e examination an d must NOT NO T be copied

4

5

6

Outline the Outline the characteristic features of, and factors that promote, the following types of materials failure: (a)

brittle fracture;

(5)

(b)

ductile failure.

(5)

Direct contact with live parts of an electrical supply within a workplace can result in serious injury or death. Outline a Outline a range of control measures that may prevent or reduce the effect of such contact.

(10)

Outline factors Outline factors that a competent person would would need to take into account when deciding the frequency of examination of lifting equipment.

(10)

SECTION B This section contains five questions. Answer THREE questions THREE questions only.  All questions carry equal marks. The maximum marks for each question, or part of a question, are shown in brackets. You are advised to spend about 30 minutes on minutes  on each question. Start each answer on a new page.

7

8

Outline the Outline the advantages and limitations of the following types of fall protection devices AND devices AND giv g iv e an example where EACH could EACH could be used: (a)

safety harnesses;

(5)

(b)

safety belts;

(5)

(c)

safety nets;

(5)

(d)

air bags.

(5)

As part of a water treatment system, a manufacturer is to install a plant suitable for the reception and storage of sulphuric acid and caustic soda, both of which will be delivered in road tankers. These substances are highly corrosive and can react violently together. Outline the Outline the safety provisions required required for: (10)

(a)

the design;

(b)

the operation;

(6)

(c)

the maintenance of the proposed storage facility.

(4)

ID-C/S/1207 © NEBOSH 2012 page 2 of 3 This question paper  MUST be returned to NEBOSH after th after  th e examination an d must NOT NO T be copied

9 

(a)

(b)

10

Outline how Outline  how the risk of injury to personnel working working with, or in the vicinity of, industrial robots might be minimised.

(6)

(14)

In relation to dust explosions: outline the outline the conditions that must be present for a primary dust explosion to occur;

(4)

outline the outline the additional conditions necessary necessary for secondary explosions to occur;

(4)

identify FOUR FOUR key  key features of a nitrogen inerting system used in a chemical process;

(4)

other than a nitrogen inerting system outline design outline design features that would minimise the risk of a dust explosion.

(8)

(a)

Outline the Outline  the causes of instability in forklift trucks (FLTs).

(8)

(b)

Outline the Outline the content of a training programme programme for FLT operators who are to operate a variety of forklift trucks.

(9)

Identif y THREE THREE situations in which refresher training for forklift truck drivers would be appropriate.

(3)

(a)

(b)

(c)

(d)

11  11 

Outline the Outline the features of industrial robots that may have particular implications for safety.

(c)

ID-C/S/1207 © NEBOSH 2012 page 3 of 3 This question paper  MUST be returned to NEBOSH after th after  th e examination an d must NOT NO T be copied