- The recovery work is taking place in 2 stages. We have installed ducting and surface level cables (3 x 276 fibre cables installed, 4 more are being installed) to divert cables away from the damaged area of the tunnel.
- The second stage is to retrieve cables from the tunnel to connect to the newly installed surface cables
- The first 96 x fibre cable has been successfully retrieved and jointed, restoring service to multiple transmission systems. Services to Poplar exchange have started to restore with full restoration expected imminently. This will mean that 999 service has been restored to all PSTN customers with contended access to normal voice service,
- The second 96 x fibre cable retrieval from manhole 144 is progressing slowly due to asbestos and poor air quality. Engineers in breathing apparatus have entered the manhole and are extracting the cable for jointing over ground. This cable will be completed around 05.00. on 7 April.
- Other restoration work using make-good capacity is continuing.
- In total there are 1836 fibres are to be repaired. The first 96 fibres represents 5% of the total.
BT outage update
April 6th, 2009 by hamlesh Leave a reply »
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