Gas Main Constructions
MJS has over 30 years experience in the excavation and installation of gas mains. We have experience with all pipe dimensions and pressures in both poly pipe and steel.
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- New and Replacements
- Maintenance:
- Cathode Protection
- Anode Installations
- Test Stations
- Valve Replacements
- Low Pressure Encapsulation
- Intermediate Pressure Leak Detection & Repair
- Hot Taps
- Joint Trench (Gas, Electric, Communication & Cable)
- 2" - 8" Poly Pipe
- 2" - 18" Steel Pipe
MJS has a wide range of heavy equipment and the expertise to build, extend or replace gas mains. In some cases, the main construction is done in conjunction with other utilities, i.e. joint trenching. We also have the capabilities to perform maintenance on gas mains.
Our foremen have between 5 to 25 years experience in the gas industry and they install several hundred gas main projects per year. Recent gas main replacement projects in Waco and Dallas involved over 10,000' of cast iron replacement, ranging from 4" to 10" cast iron.

Pipeline & Communication/Fiber Optic Construction
M. J. Sheridan of Texas Inc. provides Pipeline, Communications and Fiber Optic Constructions.
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- Gas Pipeline Construction
- Fiber Optic Construction
- Aerial and Underground Cable Installation
- Experienced with 8" through 20" steel pipe
- Working with Low Pressure, Intermediate Pressure and High Pressure (750 psi)

Emergency Response
MJS provides Emergency Call-Out response for utility companies 24/7 and 365 days per year. Most of our emergencies consist of homeowners without gas service. We provide steel tapping and plugging, fresh air, directional rigs, excavators, missiles, tampers, vactron- trucks and steel plates to return the emergency back to a safe and normal condition.
