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TRANSCRIPT
History
In May 2005, the State of Texas legislature gave the Railroad Commission of Texas compliance and enforcement authority over the movement of earth near intrastate underground pipelines.
History
In May 2007, the Railroad Commission of Texas adopted Texas Administrative Code Title 16, Chapter 18 Underground Pipeline Damage Prevention rules which became effective September 2007.
Incidents per Fiscal Year
FY 08 FY 09 FY 10 FY 11 FY 12 FY 13 -
2,000
4,000
6,000
8,000
10,000
12,000
14,000
11,946 12,146
8,569
9,431
8,551 9,358
Total Incidents per Fiscal Year
Incidents per Month
September October November December January February March April May June July August3000
3500
4000
4500
5000
5500
6000
Total Incidents per Month for FY 2008-2013
Root Causes
30%
15%
15%
13%
11%
4%
4%
3%3% 3%
Top Ten Root Causes as Reported to TDRF FY 2013
No notification made to the One-Call centerFacility marking or location not sufficientFacility was not located or markedOtherFailure to maintain clearanceFailure to use hand tools where requiredFacility could not be found or locatedOther insufficient excavation practicesFailure to maintain marksData Not Collected
Type of Excavator
66%
13%
8%
5%
4%2%
1% 0% 0.30% 0.29%
Top Ten Types of Excavators as Reported to TDRF FY 2013
ContractorMunicipalityUtilityUnknown/OtherHome OwnerSubcontractorOccupantCountyDeveloperData Not Collected
Type of Work Performed
23%
21%
11%
10%
10%
7%
5%
5%
4%4%
Top Ten Types of Work Performed as Reported to TDRF FY 2013
Sewer (Sanitary/Storm)WaterUnknown/OtherElectricFencingTelecommunicationsNatural GasLandscapingBldg. ConstructionRoad Work
Type of Equipment
50%
23%
8%
5%
5%
4%2%
1% 1% 1%
Top Ten Types of Equipment as Reported to TDRF FY 2013
Backhoe/Trackhoe
Hand Tools
Unknown/Other
Trencher
Auger
Boring
Grader/Scraper
Probing Device
Drilling
Directional Drilling
Current Chapter 18 Rules
Who must comply with Chapter 18 rules?
§18.1(a) – This chapter applies to all persons engaged in or preparing to engage in the movement of earth in the vicinity of an intrastate underground pipeline containing flammable, toxic, or corrosive gas, a hazardous liquid, or carbon dioxide.
§18.1(d)This chapter does not apply to : (2) the movement of earth that does not exceed a
depth of 16 inches;
Current Chapter 18 Rules
Definition of movement of earth
§18.2(11) Movement of earth--Any operation in which earth, rock, or other material in the ground, any structure, or any mass of material is moved, removed, disturbed, or otherwise displaced by hand digging, mechanized equipment or tools of any kind, or explosives, and includes but is not limited to augering, backfilling, boring, cable or pipe plowing and driving, compressing, cutting, demolition, digging, ditching, dragging, dredging, drilling, grading, plowing-in, pulling-in, razing, rendering, ripping, scraping, tilling of earth at a depth exceeding 16 inches, trenching, tunneling, or wrecking.
Current Chapter 18 Rules
When is a locate ticket required?
§18.3(a) An excavator shall request the location of underground pipelines at each excavation site by giving notice to the notification center as required by Texas Utilities Code, Chapter 251.
Current Chapter 18 Rules
When does a locate ticket expire?
§18.1(f) Unless otherwise specified, all time periods used in this chapter shall be calculated from the time the original notification is given to the notification center.
§18.1(g) Unless otherwise specified, all time periods that are stated in days shall mean working days.
§18.1(h) Unless an excavator and an operator otherwise expressly agree in accordance with the requirements set forth in §18.3 of this title, relating to Excavator Notice to Notification Center, the life of a line locate ticket shall be 14 days.
Current Chapter 18 Rules
Tolerance Zone§18.2(21) Tolerance zone--Half the nominal diameter of the
underground pipeline plus a minimum of 18 inches on either side of the outside edge of the underground pipeline on a horizontal plane.
§18.10(b) When excavation is to take place within the specified tolerance zone, an excavator shall exercise such reasonable care as may be necessary to prevent damage to any underground pipeline in or near the excavation area. Methods to consider, based on certain climate or geographical conditions, include hand digging when practical, soft digging, vacuum excavation methods, pneumatic hand tools. Other mechanical methods or other technical methods that may be developed may be used with the approval of the underground pipeline operator. Hand digging and non-invasive methods are not required for pavement removal.
Current Chapter 18 Rules
Definition of damage
§18.2(1) Damage--Includes but is not limited to: (A) defacing, scraping, displacement, penetration,
destruction, or partial or complete severance of an underground pipeline or of any protective coating, housing, or other protective device of an underground pipeline;
(B) weakening of structural or lateral support of an underground pipeline that affects the integrity of the pipeline; or
(C) failure to properly replace the backfill surrounding an underground pipeline.
Current Chapter 18 Rules
Reporting Requirements
§18.11(b) Each excavator that damages an underground pipeline shall notify the operator of the damage through the notification center immediately but not later than two hours following the damage incident. The excavator shall also submit report of the damage incident to the Commission using TDRF within 10 days of the incident.
Contact Information
David Ferguson512-463-9119
Pipeline Safety Damage Prevention512-475-0512