E12PREVENTATIVE MAINTENANCE

TECHNICAL DATA SCHEDULES

Switchboard - Main

ELECTRICAL

Activity Type Of ServiceLast Amendment Date:18/02/15 A B C D E

1 GENERAL Check switchboard for;- - condition and any damage. - ventilation. - evidence of overheating. - audible discharge. - signs of vermin. - combustible materials. - general cleanliness. - presence of a Legend Card.

Y Y

2 INSULATION Check condition of all insulation, especially for, damage, cracks, signs of tracking or blistering and any defects.

Y Y

3 BUSBARS Check condition of busbars, especially for;- - discolouration from heating. - damaged insulation. - deformation. - adequate support. Check all neutral bars or links.

Y Y

4 OTHER MAINTENANCE AND INSPECTION Check that all wiring duct covers are fitted. Replace missing pole fillers.

Y Y

5 Use heat sensitive detector to locate any hot spots. Y Y

6 CONNECTIONS AND CABLE TERMINATIONS Check all main electrical connections;- - for signs of overheating or verdigris. - are tight and making good contact. Check main earthing for continuity and mechanical protection. Check integrity of main earth electrode. Check integrity of MEN link. Check integrity of main earth conductor.

Y

7 AUXILIARY EQUIPMENT Check condition and operation of auxiliary equipment, if applicable.

Y

8 FUSES, CIRCUIT BREAKERS, SWITCHES AND SWITCH UNITS Check condition and operation.

Y

9 LEGEND - CIRCUIT IDENTIFICATION check that Legend Card entries correspond with Protection Device

Y

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E12PREVENTATIVE MAINTENANCE

TECHNICAL DATA SCHEDULES

Switchboard - Main

ELECTRICAL

Activity Type Of ServiceLast Amendment Date:18/02/15 A B C D Eindentification. Report missing or incorrect identifier studs and Legend Cards.

10 CIRCUIT IDENTITY VALIDATION Random check one power circuit and one light circuit to ensure that the Legend Card entry corresponds with actual site designations and with services, supplies, accessories, plant and equipment identification. Report on extent of any discrepancies.

Y

11 Check all equipment for security of mounting. Y

12 Record all results in log book. Y Y

Special Comments and Technical Data

D SERVICE ANNUAL (VISUAL INSPECTION WITH BOARD ENERGISED)

E SERVICE EVERY 5 YEARS (BOARD DE-ENERGISED, SITE APPROVAL

REQUIRED)

USE E12B IF THERMOGRAPHIC SURVEY REQUIRED BY SITE.

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