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Chapter 11 - Sedibeng District Municipality

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• it is particularly important that appropriate maintenance procedures should be<br />

in place and strictly adhered to by personnel. These maintenance procedures<br />

must demonstrate thoroughness, and must reflect a duty to care and to report<br />

defects. The maintenance procedure can be used as evidence regarding the<br />

standard of care taken by the road authority concerned;<br />

• it is also particularly important that proper maintenance records be kept so that<br />

in the event of litigation there w ill be no doubt as to the nature and extent of<br />

the maintenance actions taken, and w hen such actions w ere taken. Many<br />

litigation actions w ould tend to shift the blame for an accident onto some<br />

aspect of the traffic signal.<br />

The follow ing routine maintenance actions are primarily aimed at intervention in a<br />

cost-effective manner:<br />

• routine controller cabinet maintenance;<br />

• routine signal head maintenance;<br />

• routine signal post maintenance;<br />

• routine push button maintenance;<br />

• routine detector loop maintenance;<br />

• routine maintenance of draw boxes and manholes;<br />

• routine maintenance of electrical cables and other electrical components;<br />

• routine controller maintenance; and<br />

• routine maintenance of road signs and markings.<br />

These actions are aimed at repairing reported malfunctions in traffic signals. The<br />

process consists of:<br />

• fault detection; and<br />

• response to malfunctions.<br />

Records and Reports<br />

In terms of the South African Road Signs Manual, it is stated that an essential<br />

component of a traffic signal management system is its inventory of assets and the<br />

keeping of various types of records. The follow ing are a minimum that should be kept<br />

by a road authority:<br />

• installation records;<br />

• fault log and advice records;<br />

• maintenance records; and<br />

• controller logs.<br />

It is stated in the Road Signs Manual that an annual report is to be draw n up by the<br />

Traffic Signal Division providing an assessment of key performance indices linked to<br />

the goals and objectives of providing traffic signals. The follow ing are the typical<br />

contents of such an annual report:<br />

• General;<br />

• Institutional;<br />

• Special projects;<br />

• Routine projects;<br />

• Training and technology transfer;<br />

• Programme and budget; and<br />

SDM DITP, 2008 to 2013 138 31 Aug 2010

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