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Method for controlling cable boring

  • US 6,297,638 B1
  • Filed: 02/14/2000
  • Issued: 10/02/2001
  • Est. Priority Date: 02/14/2000
  • Status: Expired due to Term
First Claim
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1. A method for controlling a boring operation performed by a boring head to avoid interference between the boring head and an adjacent buried conveyance as the boring head travels an intended path, comprising the steps of:

  • locating the conveyance and establishing a safety zone thereabout such that the safety zone has a longitudinal border parallel to the intended boring head path and spaced a prescribed distance from the conveyance;

    transmitting from the boring head a monitoring signal at a known frequency upon commencing upon the boring operation;

    checking along the safety zone border for the presence of the monitoring signal transmitted from the boring head; and

    if said signal is detected, then generating an alert.

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