Cable seeking backhoes

1 Aug 2002

      Does anyone have a suitable rule of thumb to predict the incidence of 
cable seeking backhoes/trawlers per km?

I've tracked down one reference of 'one hit per 7 months per 1000km', 
without any qualification as to location. One would for instance 
imagine that armor-plated cable sitting on the bottom of the ocean 
would have a different failure rate to that of RG9 strung across the 
local street.

Google has thus far been rather unhelpful.
-- 
Michael Newbery             IP Architect           TelstraClear Limited
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