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Water and Wastewater
Tapping & Plugging Services

Types of Pipe:
• Cast Iron
• Ductile Iron
• Steel
• Asbestos
• Cement
• Copper
• Reinforced Concrete Pipe
• Various Grades of Concrete Pre-stressed and Imbedded Steel Cylinder Pipe.

Live pipe modification technology from
TDW assures continued line flow
during the following activities:
• Line repair
• Valve replacement
• Branch connections
• Line relocations


Case Histories (PDF)
OMP Update (Video)
Baltimore Plugging Project (Video)

Description:

Only TDW offers a full range of live pipe modification capabilities that allow vital water and waste water services to remain uninterrupted during all types of pipe system alterations while systems are under flowing and pressurized conditions. As the innovator and creator of STOPPLE® plugging technology and the industry leader in hot/wet tapping systems, TDW has been installing or replacing line segments and valves on large concrete, steel, ductile and cast iron piping systems and providing field services associated with these disciplines since the 1950's.

Maintaining a continuous water supply and uninterrupted waste water disposal capabilities is a crucial concern for municipal and private entities the world over. The loss of clean potable water for any length of time adversely impacts fire protection services, hospitals, schools, nursing homes and commercial/industrial facilities. Shutting down and draining water systems for repair only adds to time delays and expense due to bacterial infiltration and subsequent special procedures to recertify a clean water supply. Likewise, waste water systems are subject to severe environmental limitations regarding the disposal of liquids and solids that may result from the need to repair or alter a pipe system. Making pipe system modifications under full operational, flowing and pressurized conditions eliminates downtime and the associated problems resulting from repairs made during system shutdowns.

Field Services Wet Tapping Size 3/4 - 102” Outlet ratings MJ: 125 lbs. - 250 lbs.

Concrete Steel Cylinder
Pipe Fitting
Fabricated Mechanical
End-Seal
Fitting
Scarfed Nipple with optional pad STOPPLE® Fitting for welding Tapping Sleeve with out flange Fabricated Mechanical
Top-Seal
Fitting


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