16 Tex. Admin. Code § 18.8 - Operator Marking Requirements
(a) A locator
shall use all information necessary to mark underground pipelines
accurately.
(b) Locators shall mark
the approximate center line of an underground pipeline.
(c) If, in the process of marking an
underground pipeline, a locator discovers a customer-owned underground
pipeline, the locator shall make a reasonable effort to advise the excavator of
the presence of the customer-owned underground pipeline.
(d) Where a proposed excavation crosses an
underground pipeline, markings shall be at intervals that clearly define the
route of the underground pipeline, to the extent possible.
(e) A locator shall mark underground
pipelines by means of stakes, paint, flags, or a combination of two or more of
these. The terrain, site conditions, and type and extent of the proposed
excavation shall be considered in determining the most suitable means for
marking underground pipelines.
(f)
A locator shall mark at sufficient intervals to indicate clearly the
approximate horizontal location and direction of the underground pipeline or
pipelines. The distance between any two marks indicating the same line shall
not exceed 20 feet; however, a shorter distance between marks may be necessary
because of site conditions or directional changes of the underground
pipeline.
(g) Markings of an
underground pipeline greater than six inches in nominal outside dimension shall
include the size in inches at every other mark.
(h) A locator shall extend all markings, if
practical, at least one additional mark beyond the boundaries of the specific
location of the proposed work as detailed on the line locate ticket.
(i) A locator shall make paint marks
approximately eight to ten inches in length and one to two inches in width
except when spot marking is necessary. A locator shall make a minimum of three
separate marks for each underground pipeline marking.
Notes
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