The San Diego County Water Authority’s asset management team recently celebrated the completion of a comprehensive condition assessment of more than 27 miles of the agency’s oldest pipelines. The assessment was performed in record time over just 16 months.
The work was part of a package of rehabilitative efforts on a portion of the First Aqueduct, which includes Pipelines 1 and 2 in North San Diego County. Built in 1947 and 1952, the two pipelines deliver treated water to the region and were constructed using various materials, including reinforced concrete and steel.
Proactive asset management team makes critical repairs
Diakont, used robotically-mounted technologies to inspect steel pipe sections. High-resolution LASER Profilometry and Electromagnetic Acoustic Transfer technology located internal and external corrosion defects that were then repaired by welding steel patches on the inside of the pipe. This method avoided costly excavations and environmental impacts.
As the pipelines were inspected, areas that required immediate attention were identified and repaired, thereby minimizing future disruptions to water service and impacts to the surrounding environment. Sections of the pipelines requiring future repairs were added to a list of upcoming projects prioritized by the risks and associated costs.
“The asset management team took advantage of scheduled pipeline shutdowns, and with careful coordination, assessment work was performed concurrently with other major rehabilitation efforts in the region,” said Martin Coghill, operations and maintenance manager at the Water Authority. “This innovative approach saved time and avoided unnecessary disruptions in service to our member agencies.”
Throughout the condition assessment process, Water Authority staff worked closely with staff from Diakont and other asset management partners to coordinate work being performed in their service areas and any potential impacts. Proactive repairs are crucial to ensuring the reliability of the regional water supply.
About Robotic In-Line Inspection Services
Diakont has developed a fleet of in-line inspection robots, called RODIS crawlers, to support the asset integrity of gas and liquid pipelines by detecting and measuring internal and external metal loss, corrosion, and various other anomalies. Not only is this collected data highly precise, but it can be observed in real time while the inspection is taking place, providing immediate access to crucial information that utilities and pipeline operators require to facilitate integrity management programs and meet federal pipeline safety standards (49 CFR Part 192 and 195). From a single access point, our crawlers can be launched and retrieved to inspect up to 1,800 feet of pipe. Diakont’s fleet of robotic ILI tools can accommodate pipelines ranging from 8” to 55” in diameter.
Our expert team of project managers, ILI engineers, and NDE technicians will guide you through the entire inspection process, meeting or exceeding your schedule requirements. Following each inspection, Diakont delivers a complete pipeline features list, including absolute thickness measurements, weld locations, weld defects, pipewall anomalies, and information about all fittings. The Diakont inspection group will support your pipeline and girth weld inspection needs, from pipeline cleaning, excavation, spool removal, verification digs, and more. Learn More
Diakont is a global technology company with a technical center based in San Diego, CA. The company’s mission is to provide high-tech solutions that enhance the safety and economy of the most demanding industries. Diakont currently has a global workforce of over 1,300 highly-skilled professionals whose work supports the oil and gas, energy generation, and manufacturing industries.