When needing assistance with ongoing Pipeline Integrity Programs, Sunland offers the complete solution. Upon identifying the potential impact of HCA’s, assessing the risk, and developing a mitigation plan; Sunland will take care of everything else to reach compliance. Whether the requirement is for assistance or for a complete turnkey package, Sunland can offer a customized combination of services throughout the continuous United States, all inland waters and 25’ of water depth in the Gulf of Mexico. For turnkey requirements, Sunland maintains strategic partnering relationships with specialists experienced in engineering, hydrostatic testing, and smart pigging.


Preliminary Preparation for Pigging Device
  • Fabricate launchers and receivers
  • Install launchers and receivers
  • Remove or replace pipeline restrictions (valves, fittings, drips)
Secondary Preparation for Pigging Device
  • Cleaning and drying services with scraper, chemicals and caliper pigs
  • Pig run assistance
  • Restriction repairs (dents, gauges, etc.)
Final Assistance for Pig Run
  • Site preparation and stabilization
  • Install liquid handling facilities
  • Install pig tracking hardware
  • Marker placement
  • Pig handling
  • Anomaly verification digs
Anomaly Investigation and Repair
  • Recoating
  • Composite sleeve reinforcement
  • Mechanical Leak Clamps
  • Weldover sleeves, split sleeves
  • Pipeline modifications
  • Pipe Section Isolation; stopple fittings
  • Welding and weld repair
  • Hot tapping and plugging
  • Pipe repair, replacement, or retirement (abandonment)
Additional Pipeline Integrity Services
  • Hydrostatic Testing
  • Investigation of low potential areas
  • Line Lowering
  • Construct shoring box to inspect anomaly
  • Revetment work
  • ROW restoration and maintenance
Waxed shorted casing repairs
  • DHB Services was incorporated in 1987 and became a division of Sunland Construction in May 1994
  • This niche/unique service offering brings problem cased crossings into compliance with federal and state regulations through the use of patented end seals in conjunction with the appropriate casing filler
  • Over 2,500 cased crossings successfully repaired
  • Crossings successfully repaired to depths of 40 feet
  • Crossings up to 5,400 feet with 100 foot elevation changes
  • Numerous major interstate crossings in urban areas
  • Seal tested to 50 psi
  • Sealed multiple pipelines in a single cased crossing
  • Licensed in 46 states
  • No active corrosion growth in over 14 years
  • Site preparation and excavation
  • Installation of our end seals
  • Fill crossing annular space with high-dielectric casing filler or other material which provides a corrosion inhibiting environment
  • Casing Removal
  • Directional drills filling capability
  • Our standard end seals are manufactured at our shop in Eunice, LA
  • Our wax end seals are dependable and reliable