INGENIEUR
Figure 9 : The new electrical sub-switch boards
the introduction of new emergency lights and an alarm monitoring system . During this time , the brick walls were hacked up to a depth of 50mm to install the conduits , then replastered and painted . When guidelines issued by JWN had not yet been introduced , it was normal to hack into brick walls and replaster to conceal the conduit for a neat finish . Unlike buildings , which had been gazetted under the Act , wiring could have been installed in exposed conduits .
Other Mechanical and Electrical Systems Upgrade
Other rehabilitation and upgrading of mechanical and electrical works that were carried out included a new main switch board ( MSB ) and sub switchboards , a lift for the handicapped , a new security system , and new air-conditioning chillers . Building Automation Systems were also introduced , including a new public address system and others generally to comply with fire safety requirements .
Repairs to the Pinnacle Roof The Pinnacle Roof was constructed of reinforced concrete with cement plaster of varying thickness from 50mm to 300mm . It was finished with mosaic
Figure 10 : View of internal section of the Pinnacle
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