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Missouri One Call System (MOCS) 1-800-DIG-RITE or 811

Utility Members

Always Call or Click Before You Dig.
It’s Easy. It’s Free. And, it’s the Law!

Responsibilities of the Facility Owner/Utility Members

Click here to read the responsibilities of the Excavator

The facility owner/operator is required by law to respond to each notification. The two working day response time by utilities will begin at 12 midnight following the receipt of the notification (see Timeline Chart on page 16).

Upon receipt of the excavator’s locate request, the utilities are required by law to either:

  1. Mark the approximate location of their underground lines.
    1. If it is determined that markings are required, the locate request will be dispatched to a field locator who will locate and mark the excavation site with paint, stakes or flags. Utilities mark their facilities according to specific guidelines and color codes (see marking standards on pages 22-26).

  2. Request additional information if necessary.
    1. If the area of excavation cannot be determined from the description provided by the excavator prior to marking, the owner/operator may require the excavator to:
      1. Mark (white line) the proposed area of excavation,
      2. Provide project plans,
      3. Or meet at the excavation site, prior to marking by the owner/operator.
    2. Either party may request an on-site meeting to clarify markings, which must occur within two working days of the request for this meeting (read page 39).

  3. Advise you if they are “Clear” or “OK”.
    1. In some cases, the member may be able to determine from the information on the locate request that it has no underground facilities which could be affected by your excavation. In these cases, the members are required to notify you that they are “clear” at the dig site or that they are “OK” (read pages 39-40).
    2. Methods of advising the excavator that they have no facilities at the dig site include:
      1. Calling the telephone number of the excavator or supervisor managing the excavation.
      2. Leaving a message on a recording device.
      3. Calling the cell phone of the excavator or supervisor of the excavation.
      4. Notifying the excavator by facsimile or by e-mail.
      5. Marking “Clear” or “OK” at the site.
      6. By verbally informing the excavator in person.
      7. By use of a locate status system.

  4. Following their response to the locate request, the utilities are also required to:
    1. Status their response to the excavators locate request using the Status Check/ Locator Ticket Management System (LTM).
    2. Initiate any request for extended start date and time through the MOCS call center.

  5. Sewer and Water Utilities
    1. Verbiage in the law addressing additional responsibilities of sewer and water utilities can be found on pages 41 and 42.

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