Oklahoma Code § 63-142.6

Title 63. Public Health And Safety: Notice of proposed demolition, explosion or excavation -
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Marking or providing location of facilities - Emergencies.
A.  Before an excavator shall demolish a structure, discharge
any explosive or commence to excavate in a highway, street, alley or
other public ground or way, on or near the location of an operator's
underground facilities, or a private easement, such excavator shall
first notify all operators in the geographic area defined by the
notification center who have on file with the notification center a
notice pursuant to Section 142.3 of this title to determine whether
any operators have underground facilities in or near the proposed
area of excavation or demolition.  When an excavator has knowledge
that an operator does not have underground facilities within the
area of the proposed excavation, the excavator need not notify the
operator of the proposed excavation.  However, an excavator shall be
responsible for damage to the underground facilities of an operator
if the notification center was not notified.  When an excavator has
actual knowledge that an operator has unmarked hydrocarbon and
hazardous liquid underground facilities within the area of proposed
excavation, the excavator shall not commence excavation or
demolition until notice has been given and such facilities have been
marked.  For purposes of this section, "actual knowledge" shall mean
direct and clear knowledge; provided, however, actual knowledge may
be demonstrated through circumstantial evidence and if the
circumstances are such that a defendant must have known, an
inference of actual knowledge is permitted.  The excavator shall
maintain and preserve all hydrocarbon and hazardous liquid markings
for the duration of the excavation or demolition and shall notify
the notification center if such marks are no longer visible or are
removed and underground facilities have not been exposed.  An
excavator must check for positive response at the notification
center prior to excavating or demolishing to ensure that all
operators have responded and that all facilities that may be
affected by the proposed excavation or demolition have been marked.
Notice shall be given no less than forty-eight (48) hours, excluding
the date of notification, Saturdays, Sundays and legal holidays,
prior to the commencement of the excavation or demolition.  If a
positive response of watch and protect has been indicated, no
excavation may take place without the operator or its designated
representative present to observe the excavation within ten (10)
feet of the operator's markings of its existing underground
facility.  Notice shall expire fourteen (14) calendar days from the
excavation start date.  No excavation may continue after the notice
expiration unless subsequent notice has been submitted pursuant to
notice requirements.  If excessive and unreasonable requests for

marking are made by an excavator when no excavation is taking place
prior to notice expiration, the excavator may be liable to the owner
or operator for the reasonable cost of such marking.
B.  Each operator served with notice in accordance with
subsection A of this section either directly or by notice to the
notification center shall, prior to the date and time work is
scheduled to begin, unless otherwise agreed to between the excavator
and operator, locate and mark or otherwise provide the approximate
location of the underground facilities of the operator in a manner
as to enable the excavator to employ hand-dug test holes to
determine the precise location of the underground facilities in
advance of excavation.  However, during any state of emergency
declared by the Governor or Legislature that impacts the area of
excavation or demolition, the time limitations of this subsection
shall be inapplicable.  Each operator shall provide a positive
response to the notification center prior to the expiration of the
required notice period.  This response shall indicate the status of
the required activities of the operator or designated representative
in regard to the proposed excavation or demolition.  For the purpose
of the Oklahoma Underground Facilities Damage Prevention Act, the
approximate location of the underground facilities shall be defined
as a strip of land two (2) feet on either side of such underground
facilities.  If a positive response to watch and protect is
indicated, the operator shall provide the name and phone number of
the contact who shall be present for observation and a designated
operator representative shall be on site at the ticket date and time
agreed upon in writing by the excavator and operator.  Whenever an
operator is served with notice of an excavation or demolition and
determines that the operator does not have underground facilities
located within the proposed area of excavation or demolition, the
operator shall communicate this information to the excavator
originating the notice prior to the commencement of such excavation
or demolition.
C.  The only exception to subsection A of this section shall be
when an emergency exists that endangers life, health or property.
Under these conditions, excavation operations may begin immediately,
providing reasonable precautions are taken to protect underground
facilities.  All operators of underground facilities within the area
of the emergency must be notified promptly when an emergency
requires excavation prior to the location of the underground
facilities being marked.  If requests for emergency locates are made
by an excavator when there is no emergency, the excavator may be
liable to the owner or operator for the reasonable cost of emergency
response.
D.  Every notice given by an excavator to an operator pursuant
to this section or to the notification center pursuant to Section

142.3 of this title shall contain at least the following
information:
1.  The name of the individual serving such notice;
2.  The location of the proposed area of excavation or
demolition;
3.  The name, address and telephone number of the excavator or
excavator's company;
4.  The name and phone number of an excavator field contact with
actual knowledge of the excavation site and project;
5.  The type and the extent, not to exceed five hundred (500)
linear feet in incorporated areas or one (1) linear mile in
unincorporated areas, of the proposed work;
6.  Whether or not the discharging of explosives is anticipated;
and
7.  The date and time when work is to begin.
E.  In marking the approximate location of underground
facilities, an operator shall follow the standard color coding
described herein:
OPERATOR AND TYPE OF PRODUCT SPECIFIC GROUP IDENTIFYING COLOR
Electric Power Distribution
and Transmission.................................... Safety Red
Municipal Electric Systems............................ Safety Red
Gas Distribution and
Transmission......................High Visibility Safety Yellow
Oil Distribution and
Transmission......................High Visibility Safety Yellow
Dangerous Materials, Product
Lines, Steam Lines................High Visibility Safety Yellow
Telephone and Telegraph
Systems.................................... Safety Alert Orange
Police and Fire
Communications..............................Safety Alert Orange
Cable Television..............................Safety Alert Orange
Water Systems..............................Safety Precaution Blue
Slurry Systems.............................Safety Precaution Blue
Sewer Systems........................................Safety Green
Added by Laws 1981, c. 94, § 6, eff. Jan. 1, 1982.  Amended by Laws
2003, c. 362, § 4, eff. Nov. 1, 2003; Laws 2016, c. 151, § 2, eff.
Nov. 1, 2016; Laws 2019, c. 148, § 2, eff. Nov. 1, 2019; Laws 2020,
c. 65, § 2, eff. Nov. 1, 2020; Laws 2021, c. 453, § 1, eff. Nov. 1,
2021; Laws 2024, c. 118, § 2, eff. Nov. 1, 2024.

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