669 HDD drilling log and guidance system records (as-drilled line and grade)

Specification section

33 05 23.13

Type

Other

Priority

Normal

Description

Specification 33 05 23.13 Horizontal Directional Drilling, paragraph 1.05 K. Within four days of completing each run of pipe, provide the log of the drilling operation and guidance system records documenting line and grade of the installed pipe at increments of no more than 10 feet. During construction.

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