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Preserving Potable Water: A Case of Steel Pipe Repair in a Service Reservoir
Water is one of the most essential resources for life, and in the United States, it all starts with a vast network of water treatment plants. These facilities process raw water into safe, potable water that is then distributed through an intricate system of pipes and reservoirs. Whether above ground or underground, service reservoirs play a crucial role in maintaining consistent water pressure and supply across different regions.
However, over time, the steel pipes and tanks within these reservoirs are constantly exposed to moisture, leading to corrosion. This not only weakens the structure but can also lead to leaks, which result in water loss and potential contamination of the drinking water supply. In hilly or mountainous areas, underground service reservoirs are often used, making maintenance and repair more challenging due to limited access and environmental conditions.
At an underground service reservoir in the southwestern U.S., three outlet pipes showed signs of pitting and leakage. Approximately 5% of the piping was affected by corrosion, caused by prolonged exposure to water and oxygen. In some cases, the corrosion had damaged the edges of the concrete tank, creating weak spots that led to leaks. The repair had to meet strict safety standards, including NSF-61 approval, to ensure that the potable water remained uncontaminated.
The project required quick action, as the reservoir could only be taken offline for a short period. HJ3's CarbonSeal Steel Pipe Repair System was selected for its proven reliability and compliance with ANSI/NSF 61 standards. This system allows for fast, effective repairs without compromising the integrity of the water supply.
The process began with thorough surface preparation, where the steel flanges were abraded using NSF-61 approved media. The pipes were then patched, primed, wrapped with carbon fiber, and coated with a chemical-resistant top layer. The entire repair was completed in a single day, meeting the tight schedule while ensuring long-term durability.
HJ3’s CarbonSeal system not only met all regulatory requirements but also restored the structural strength of the pipes to their original design specifications. This case highlights how modern repair technologies can protect critical infrastructure while minimizing downtime and safeguarding public health.
If you're looking for reliable solutions for steel pipe repair that meet NSF-61 standards, contact us today. Reach out via email or call 877-303-0453 to learn more about HJ3's innovative systems and how they can help preserve your water infrastructure.
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