Volume 8 – Mechanical and Electrical Services - Malaysia Geoportal
Volume 8 – Mechanical and Electrical Services - Malaysia Geoportal
Volume 8 – Mechanical and Electrical Services - Malaysia Geoportal
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Chapter 7 ELECTRICAL SERVICES<br />
Maintenance Support Documents<br />
To effectively implement maintenance documents pertaining to the design <strong>and</strong> the equipments are<br />
essential, these documents are:-<br />
a) Design<br />
b) Specification<br />
c) Instruction<br />
d) Manuals <strong>–</strong> such as technical specification, operator instructions cards, operating manuals<br />
maintenance manual, maintenance instruction cards, wall diagrams, work instruction cards,<br />
work specification spare parks data etc.<br />
Testing<br />
This is part of indirect Preventive Maintenance. It could be done either by objective monitoring i.e by<br />
using testing instruments on by subjective monitoring i.e by visual inspection<br />
Refer to the IEE regulations Part 7 which deals into the testing <strong>and</strong> inspection of installation<br />
following a logical sequence or phases of work to produce a complete installation.<br />
All protective devices <strong>and</strong> residual current circuit breaker should be tested to ensure that they<br />
perform their protective function when called to do so.<br />
A sample inspection format for switchboard & gen-set is shown in Appendix 7F & E-G respectively.<br />
Safety<br />
It is essential that all plant <strong>and</strong> equipment is tendered <strong>and</strong> kept safe whilst it is being worked on.<br />
Part 7 on the IEE regulation emphasizes on good workmanship <strong>and</strong> usage of proper materials.<br />
Examples of good practice are:-<br />
a) No work should be carried on Live. All dead equipment must be effectively earthed before<br />
commencement of work.<br />
b) Only authorized <strong>and</strong> competent person may work on electrical equipment.<br />
c) The procedure for effecting shutdown <strong>and</strong> resuming supply be clear cut <strong>and</strong> foolproof.<br />
d) Proper ladders, safety belts <strong>and</strong> other relevant safety devices should be used when working on<br />
overhead lines.<br />
e) Full sets of specialized tools should be available.<br />
f) Guidance issued by the Machinery Department on the operation of plant <strong>and</strong> equipment should<br />
be strictly followed <strong>and</strong> the responsible officer should ensure that due notice is taken of such<br />
information.<br />
g) Working areas associated with sump, pits, walls, air shalt etc, must be guarded <strong>and</strong> warning<br />
notices displayed safety guards must be securely fixed <strong>and</strong> safety devices left operational.<br />
7-14 March 2009
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