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Worksheet D — Leak Locating in Dual Feed Cables
Worksheet D

This worksheet should be used when you are dispatched on a dual feed cable with low pressure. The worksheet outlines a procedure for locating the cause of the low cable pressure. It also serves as a record keeping device for future review, questions or similar problems at the same location. Leak locating with Worksheet D begins at the midpoint pressure transducer (designated as Utility Hole H on the worksheet).

Side one of Worksheet D provides areas to record the following information:
  • Delivery pressure and cable pressure
  • Utility hole numbers and locations
  • Footages between utility holes
  • Pneumatic resistance of cable
  • Air Flow Calculations and Zero Leak Projections
  • Cable structure (splice closures, interlacing, etc.)
Worksheet D Sample