I think Michael's point about 20/20 hindsight is well-taken.
From personal experience, I can safely say that the size and scope of many utilities such as pipelines, fiberoptic lines, and telephone lines are totally unknown to present-day personnel because the construction records no longer exist. Here in the Central Valley, Caltrans engineering staff were surprised to find a hundreds-of-miles long fiberoptic line buried in the shoulder of Route 99 a few years ago. Why? There were no records extant of its installation. Because I had typed (in 1985!) the permit authorizing 200 miles of the line's construction, I was able to confirm it had been legally constructed. Everyone else connected with the utility's project had retired or left Caltrans.
--dan waterhouse
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