Product Announcement from Tyco Thermal Controls
TraceTek TT5000 cable provides round-the-clock, leak detection and precise location. The TT5000 cable is installed and serviced through access risers in the apron. Other airport leak detection systems are based on periodic pressure decay measurements and a given section of pipe may be tested only once every 30 days. TraceTek systems provide early detection and provide precise information on where to dig.
- If buried fuel lines leak there are safety and environmental issues
- The TraceTek TT5000 system will quickly detect a fuel leak and alert the operators to its location
CASE STUDY: Oslo Airport,Norway
Should an underground pipe in a hydrant fuel system develop a leak there are considerable environmental, safety and repair: cost implications. As these pipes are usually buried beneath heavily reinforced concrete the longer a leak goes undetected the greater this risk and remedial cost. Rather than relying on just periodic hydrostatic pressure checks, Oslo Airport sought a continuous monitoring system that would detect a leak quickly, create an alert and also locate the source accurately to avoid extensive, expensive and disruptive search excavations before remedial action can be taken.
Tyco Thermal Controls solution is cable-based TraceTek systems with continuous leak detection, location and alarm capabilities. For buried fuel lines the system employs TT5000 sensing cable which contains a hydrocarbon scavenging material and is designed for installation in PVC conduit within the backfill when the fuel pipes are laid down. Here it provides continuous monitoring and will react to any trace of fuel. Should a hydrocarbon leak occur, the liquid fuel is drawn into the conduit by capillary action and is detected by the cable, triggering an alert via the TraceTek monitoring system which will pinpoint the location of the leak to within +/- 1metre.
Fuel system designers at Oslo Airport, take safety and environmental risks very seriously and have taken a 'belt and braces' approach. They have employed double containment pipes and commissioned engineers from TechNordic (a TraceTek distributor) to install TT5000 sensor cable within a 42mm slotted PVC conduit buried in the soil alongside the fuel lines. Here the sensor cable and associated monitoring instruments remain ready to alert the airport operator should an underground fuel line ever leak.
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