IDIP PP Jul 2013- Unit IC

NEBOSH NEBOSH INTERNATIONAL DIPLOMA IN OCCUPATIONAL HEALTH AND SAFETY

Unit IC: International workplace and work equipment safety THURSDAY 4 JULY 2013 3 hours, 0930 to 1230 10 minutes reading time is allowed before the start of this examination. You may not write anything during this period.

Answer both Section A and Section B

SECTION A This section contains six questions. Answer ALL 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 each question. Start each answer on a new page.

1

2

3

Outline the arrangements in a motor fleet policy that will minimise the risk to a multi-site organisation where workers drive vehicles between sites.

(10)

(a)

Give the meaning of the term ‘confined space’.

(2)

(b)

Outline factors that should be considered in relation to emergency rescue arrangements for confined space work.

(8)

(a)

(b)

In relation to automatic fire detection and alarm systems, outline the basic principle AND operation of: (i)

heat detectors;

(4)

(ii)

smoke detectors.

(4)

Identify the circumstances in which EACH type of detector would be inappropriate.

(2)

ID-C/S/1307 © NEBOSH 2013 page 1 of 3 please turn over This question paper MUST be returned to NEBOSH after the examination and must NOT be copied

4

5

(a)

Outline factors that might cause an agricultural tractor to overturn.

(6)

(b)

Outline measures that may be necessary to minimise the risk of a tractor overturning.

(4)

The 1963 International Labour Organisation’s Convention 119 (C119) concerns the Guarding of Machinery. Part 1 considers general provisions; Part 2 concerns the sale, hire, transfer and exhibition of machinery and Part 3 the use of machinery. (a)

Outline categories of machinery covered by Part 1 of the convention.

(3)

(b)

Give examples of transmission machinery (exposed moving parts) specified in Part 2.

(2)

Outline requirements for the use of machinery as specified in Part 3.

(5)

(c)

6

Outline what should be considered when preparing a scheme for the systematic examination, testing and maintenance of portable electrical appliances.

(10)

SECTION B This section contains five questions. Answer 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 each question. Start each answer on a new page.

7

(a)

(b)

Describe the effects of a fire in a workplace on the following structural materials: (i)

steel;

(4)

(ii)

concrete;

(4)

(iii)

wood.

(4)

Outline the precautions that could be taken to prevent failure of these materials in the event of fire.

(8)

ID-C/S/1307 © NEBOSH 2013 page 2 of 3 This question paper MUST be returned to NEBOSH after the examination and must NOT be copied

8

An external lift on a construction site has an interlocked guard to prevent the lift operating when the gate is open. With reference to the diagram: (a)

identify the two types of switch shown (Switch A AND Switch B);

(2)

(b)

identify the functional components associated with BOTH switches;

(4)

(c)

outline the normal sequence of operation for the electrically-operated, cam-activated switch assembly when the gate opens and closes;

(6)

outline ways in which electrically-operated, cam-activated switches may fail to operate as intended.

(8)

(d)

Switch A

Switch B

Gate closed

9

Switch A

Switch B

Gate open

An organisation is proposing to build a store room for stocks of flammable paints. Outline factors to consider in the design, construction and use of the store room.

10

During excavation there is a risk of striking underground cables. Outline precautions that minimise the risk of striking underground electrical cables.

11

(20)

(20)

Failure of pressure systems can result in accidents. (a)

Identify examples of pressure systems AND give a workplace example in EACH case.

(5)

(b)

Outline a typical written scheme of examination for pressure systems.

(5)

(c)

Outline other control measures that could reduce the risk of pressure system failures.

(10)

ID-C/S/1307 © NEBOSH 2013 page 3 of 3 This question paper MUST be returned to NEBOSH after the examination and must NOT be copied