Learn more about the new standard for fiber optic LHD - the N45-Series
Response time, spatial resolution, and alarm zone configuration: what is important when selecting a Linear Heat Detection system? Find out more in our series.
AP SENSING SUCCESS STORIES
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Electrical Cable Tunnel Fire Protection in Doha
In one of Qatar's recent infrastructure projects, several electrical cable tunnels were constructed for the Public Works Authority of Qatar. The Al Rayyan Cable Tunnels are difficult to monitor and required a reliable solution for fire detection that functions alongside other technologies and interfaces with the local Fire Alarm Control Panel (FACP).
Doha Metro August 2020
In parallel with the launch of the new Doha Metro system, AP Sensing began monitoring its railway tunnels with our Linear Heat Detection (LHD) solution. 128 km of the metro system is monitored by 16 multi-channel Distributed Temperature Sensing (DTS) units and 132 km of fiber optic cable. Our system also integrates with the metro's Train Management System.
Codelco Conveyor Belts Chile (Spanish) August 2020
La Corporación Nacional del Cobre de Chile (Codelco) seleccionó a AP Sensing para monitorear las cintas / correas transportadoras en una de sus instalaciones, que es una refinería de cobre y una planta de procesamiento. Nuestro sistema de detección de calor lineal (LHD) está siendo empleado para proporcionar un sistema preventivo de monitoreo en tiempo real de las cintas transportadoras el cual puede anticipar condiciones críticas y generar pre-alarmas para condiciones anormales de temperatura.
Coldelco Conveyor Belts Chile (English) August 2020
Corporación Nacional del Cobre de Chile (Codelco) selected AP Sensing to monitor conveyor belts at one of its operations, a copper refinery and processing plant. Our Linear Heat Detection (LHD) system is in place to provide a preventative system for real time monitoring of the conveyor belts that is able to anticipate critical conditions and generate pre-alarms for abnormal temperature conditions.
Conveyor Belt Monitoring (German) July 2020
11 Geräte der AP Sensing Linear Heat Detection (LHD) Serie überwachen gegenwärtig die Förderbänder am größten Salzproduktionsstandort in Deutschland. K+S beansprucht eine AP Sensing Lösung zur Früherkennung von Bränden an Förderbandbrücken, da diese leicht entzündlich sind und das Feuer schnell verbreiten. Im Vergleichstest mit anderen Technologien, war die Lösung von AP Sensing am besten geeignet für diese Anwendungsart und dessen schwierigen Umgebungsbedingungen.
Conveyor Belt Monitoring (English) July 2020
11 AP Sensing Linear Heat Detection (LHD) devices are currently in use, monitoring conveyor belts at the largest salt production site in Germany. K+S pursued an AP Sensing solution for early fire detection on conveyor belt bridges, as these burn quickly and are important for site operation. Despite testing various other technologies, AP Sensing's simple solution was the best fit for this type of application and its tough environmental conditions.
Electrical Power Cable Tray Heat Monitoring May 2020
AP Sensing is monitoring the cable trays at Princess Nourah Bint Abdulrahman University in the Kingdom of Saudi Arabia. Fiber Optic Linear Heat Detection provides a continuous, complete solution that traditional thermography services cannot provide. 4 LHD units monitor the cable trays of all MV electrical power cables for hotspots or potential fires, alerting facility managers with automatically-generated alarms. The system fully integrates into the campus' DCS and FACP and utilizes our SmartVision software for a visual overview of the data.
Delhi Metro February 2020
AP Sensing's Linear Heat Detection (LHD) solution is in use for monitoring the Delhi Metro, commissioned by our local partner TechFAB in 2018. The system is in use to monitor hot spots, tunnel temperatures and the ventilation system. 13 Distributed Temperature Sensing (DTS) devices are in use to cover 10 underground metro stations and an airport.
Glencore Coal Australia September 2019
AP Sensing, in collaboration with Advanced Photonics Australia, provided a reliable Linear Heat Detection solution to Glencore at the Bulga Coal Handling Plant. Our system is not only used for early fire detection and localization, but also to deliver information for efficient fire management and activation of fire suppression systems.
Self Unloader Fire Detection March 2019
An AP Sensing DTS solution with was selected to monitor a self-unloading bulk carrier in China for fire protection. Self-unloaders have more than 400m of conveyer belts, which are important to protect and monitor. Our DTS solution was selected due to its reliability in harsh environments, complete set of certifications, reputation, and MTBF of 33 years.
Rio de Janeiro Tunnels JAN 2017
AP Sensing was recently selected to monitor 4 important traffic tunnels in Rio de Janeiro. The tunnel operators needed a system with fast response times, excellent reliability and accuracy, and low maintenance. Click on the title or picture to download the entire paper.
White Paper: DTS for District Heating Pipelines September 2016
This white paper examines the effectiveness of using a DTS (Distributed Temperature Sensing) solution to monitor underground district heating pipelines. Should a pipe become damaged or develop a leak, the DTS reveals the degree of damage and the location, with no need for expensive digging and repairs.
Tunnel Safety Meir Tunnel UK May 2016
When a competitor’s LHD (Linear Heat Device) could no longer be maintained locally or checked for correct operation, it was decided to replace it with an AP Sensing DTS (Distributed Temperature Sensing) device in the 284m long Meir tunnel. The tunnel is located in a heavily trafficked area in Stoke-on-Trent in England.
Traffic Tunnel Fire Detection Maritime Alps Feb 2011
Two AP Sensing Linear Heat Series instruments were installed in the Tunnel de la Mescla and Tunnel de Reveston as fire detection systems. The tunnels are separated by a 400 meter bridge and each have a dedicated control room. Tunnel engineers configured two independent Linear Heat Series instruments with a single, linear fiber optic cable sensor – the “Safety (FRNC)” – with two independent fibers between them.
Thermal Plant Fire Detection Slowakia Nov 2011
The long-distance heating and electrical company Zilinska Teplarenska is located in Zilina, Slovakia. The plant has many different conveyor belt lines, with a total length of several kilometers. When a fire occurs on a conveyor belt it can shut down the transportation of the line, which in turn exposes a company to delivery problems and significant financial risk.
Rail Tunnel Bukit Berapit Malaysia Updated Case
Malaysia has modern cities and transportation infrastructures to go with its beaches and green countryside. The twin Berapit rail tunnels each have a length of 3.3 km and run between Padang Rengas and Taiping. When the tunnel operators needed to provide a fire detection system to complement the fixed manual water suppression, they turned to AP Sensing’s DTS (Distributed Temperature Sensing) solution, the Linear Heat Series.
National Stadium Heat Detection Bucharest Aug 2011
AP Sensing Linear Heat Series device was installed in the new National Stadium in Bucharest, Romania. The stadium has a capacity for 55.600 people, expandable to 63.000. The DTS device monitors the temperature in the cable trays. These cables supply the power for the lighting on the playing field. The cable trays reach over three levels and are divided into 24 different alarm zones.
Mecca Royal Clock Tower Chooses AP Sensing Updated Case
The Mecca Royal Clock Tower is an engineering marvel, and is located near the world’s largest mosque, as well as Islam’s most sacred site, the Masjid al Haram. Four AP Sensing Distributed Temperature Sensing devices were installed to ensure continuous, fully-redundant monitoring. After years of issue-free operation, AP Sensing's DTS coverage was expanded to new areas of the infrastructure.
Linear Heat Series Under Test (German) Apr 2009
Im Maßstab 1:1 wurden Feldversuche unter authentischen Umweltbedingungen in Zusammenarbeit mit Tyco Fire / Scum und dem SP Technical Researsch Institure of Sweden durchgeführt. Diese zeigen auf, dass faseroptische Linearewärmemelder (DTS – Distributed Temperature Sensing) sehr schnell und zuverlässig unterschiedliche Brandtypen melden, diese präzise lokalisieren und Brandgröße sowie Ausbreitungsrichtung über eine lange Zeitdauer genau beobachten können.
Loading Dock Flammable Subtances May 2011
AP Sensing’s Linear Heat Series instrument was chosen to provide reliable fire detection of loading bays that handle flammable substances at a solar panel production site in Switzerland. The loading dock bays are separated by concrete walls to minimize the risk of a fire spreading. The N4387A is located in a central control room at a safe distance from the dock; only the passive optical sensor cable is exposed to the dock ATEX area.
Linear Heat Series Under Test Apr 2009
Field trials in 1:1 scale under authentic environmental conditions have been performed in cooperation with Tyco Fire / Scum and SP Technical Research Institute of Sweden to reveal the capabilities of Distributed Temperature Sensing (DTS) to detect different types of fire fast, to localize fires precisely and to monitor fire size and spreading accurately over an extended period.
Big Parking Garage Heat Detection Germany Feb 2010
Europort II is a 75,000 square meter parking terminal and distribution center for new cars on their way to dealerships. Protecting this valuable asset and its contents requires an efficient and effective fire detection system. The harsh environment – in many aspects comparable to a traffic tunnel – and the value expectations of the operator led to many strict requirements for the DTS system.
Linear Heat Series Selected for Italian Metro Tunnel Nov 2010
AP Sensing, together with our local partner, have been selected to equip a newly-built metro tunnel with the N4387A Linear Heat Series. Besides providing fire alarm capabilities, the Linear Heat solution monitors the ventilation system and can activate the vents between stations to extract smoke from the tunnels and draw it away from the stations. All alarms and temperature values are also exported to a central SCADA platform to monitor potential fires, their sizes and the direction they are spreading in the tunnel.
Jagdberg Tunnel Germany July 2015
The 3.1 km Jagdberg tunnel moves traffic from a hilly, winding stretch of road into the twin tunnels (3 lanes each) near Jena, in eastern Germany. AP Sensing’s Distributed Temperature Sensing (DTS) solution was selected for fire detection. The new twin tunnels were opened in late 2014 and represent Germany’s fourth-longest traffic tunnel. In all cases the detection times specified were met or exceeded by the AP Sensing DTS.
Industrial Alcohol Tanks Fire Detection France Updated Case
Highly flammable substances, such as Industrial Alcohol, require ATEX approved fire detection solutions. Active electronics, if not protected by specialized enclosures, are banned from ATEX Zone 0 areas in order to prevent the ignition of flammable vapors. The solution? Fiber Optic Linear Heat Detection that has very low power designs and passive sensor cables.
Hong Kong Airport and Civil Aviation Updated Case
To address the future growth of the air traffic industry in Hong Kong, the Civil Aviation Department (CAD) constructed a new headquarters. The five individual buildings will cover approximately 65,000 square meters of space and are designed to accommodate the CAD functional divisions, the Air Traffic Control Centre (ATCC), and the antenna farm.
India's Longest Rail Tunnel Protected Jan 2015
The Pir Panjal railway tunnel is India's longest (and Asia's third-longest), at 11.2 km. It runs through the rugged and remote Himalayan mountain range in northern India. When your tunnel infrastructure is this long and located in a remote mountain range high in the Himalayas, you need a Distributed Temperature Sensing (DTS) solution that you can depend on.
Historical Palaces Fire Detection Korea Updated Case
Namdaemun, which is officially known as Sungyemun (meaning “Gate of Exalted Ceremonies”), is one of the Eight Gates of the fortress wall of Seoul, South Korea, which dates back to the 14th century. Following a devastating fire in 2008, it was decided to install AP Sensing’s Linear Heat Series solution to protect this national treasure.
Helsinki Metro Rail and Airport Updated Case
Four metro stations and their connecting tunnels within the 42-acre Vantaa airport region in Helsinki wanted a Distributed Temperature Sensing (DTS) solution to monitor their infrastructure for fire detection. AP Sensing's Linear Heat Series, including the SmartVision asset visualization and alarm management system, were selected.
Fire Tests in the Einhorn Tunnel Germany June 2014
Major fire detection tests were carried out in the Einhorn Tunnel in Germany. Participants included the fire department and officials from the road construction and tunnel operator teams. Eleven controlled fire tests were designed to stringently test the tunnel itself, AP Sensing’s Linear Heat Detection system, and the smoke extraction system. The fiber-optic based Linear Heat Series from AP Sensing played a decisive role in all of the tests. In every test the detection time was lower than the Guideline requirements.
Floating Roof Tank Fire Detection Riyadh May 2012
AP Sensing provided the Riyadh Power Company with a floating roof tank fire detection solution. The Riyadh Power Company in Saudi Arabia has 5 floating-roof oil tanks for which they wanted a state-of-the-art fire monitoring and fire detection system. Each tank is 30 m high and has a diameter of 30 m. Working together with the local partner Tyco, AP Sensing was selected for their Linear Heat Series solution.
Coal Stock Heat Detection Spain Updated Case
One of the most innovative bulk handling facilities has been undertaken in Spain. “La Medusa”, a coal storage facility that was built at Puerto A Coruna. Operated by Union Fenosa, not only does this enclosed coal handling facility achieve zero dust emission, but the structure itself is architecturally pleasing. Due to its impressive design, the plant is called “la Medusa” which means “the jellyfish”.
Monitoring Riyadh Metro January 2021
The Riyadh Development Authority (RDA) in the Kingdom of Saudi Arabia recently executed a large metro project with 85 stations and 6 lines covering approximately 177 km. AP Sensing is monitoring this prestigious project with our fiber optic Linear Heat Detection (LHD) solution.
Press Release Fiber Optic Sensing Association NOV 2017
The Fiber Optic Sensing Association (FOSA) today released details on more than 1,300 installations of distributed fiber optic sensing (DFOS) around the world, the largest representative sample ever published. AP Sensing is proud of our global contributions for pipeline leak detection, high voltage power cable monitoring and fire detection.
Connecting Continents Eurasia Tunnel Turkey JULY 2017
The Eurasia Tunnel connects the European section of Istanbul with the Asian section in Kosuyolu. The 5 km tunnel is an engineering marvel, with its double-deck construction that crosses the Bosphorus Strait under the sea, reaching a maximum depth of 106 m.
Enhancing Fire Detection Response in Complex Industrial Facilities Dec 2016
Oil and gas refineries are large industrial facilities, representing significant investments. These facilities operate on a 24/7 basis with managed maintenance downtime. It is a priority to eliminate accidents at all stages at the refinery throughout its lifecycle. Click on the title or picture to download the entire paper.
Fire Detection in a Battery Warehouse China August 2016
In their new battery warehouse, Amperex Technology has the capacity to store some 7000 batteries and packs. To mitigate the risk of overheating or of a fire, which could have devastating consequences, Amperex selected four AP Sensing Linear Heat Series 1km devices, each with 4 channels, to monitor and protect the warehouse.
Fire Protection in the Rotterdam Metro Nov 2013
To improve the fire detection safety in Metro stations in Rotterdam, three different stations were fitted with AP Sensing’s Linear Heat Series. One fiber-optic Linear Heat Detection system (LHD) with one channel was used in each station. The Distributed Temperature Sensing (DTS) system provides real time temperature measurements along the length of the passive optical sensor cable. Should the temperature exceed the limit in any of the pre-defined zones, an alarm is triggered and personnel in the control room are alerted.
Eurotunnel Chooses AP Sensing for Fire Monitoring Nov 2010
A new safety standard has been achieved in rail tunnels. Eurotunnel – the operator of the channel tunnel – decided to significantly improve passenger safety by creating fire fighting stations equipped with fixed, fire suppression systems (SAFE stations). Eurotunnel chose AP Sensing’s Linear Heat Series as the fire monitoring system to activate and control the suppression system.
Conveyor Belt Heat Detection in Coal Fired Power Plant Italy Mar 2010
Fire detection along coal transporting conveyor belts is challenging. The environment is extremely harsh, with dust and mechanical vibrations and the plant’s conveyor infrastructure is several kilometers long. A fire would cause downtime for the entire plant, which would be extremely costly to the operating company.
Coal Conveyor Belt Monitoring Germany June 2011
AP Sensing’s Linear Heat Series solution was chosen to provide quick and reliable fire detection along a coal conveyor belt at a coking plant in Germany. The entire conveyor system consists of two sections, perpendicularly connected, with a total length of approximately 400 meters.
Eurotunnel Chooses AP Sensing for Fire Monitoring (Spanish) Nov 2010
Un nuevo estándar de seguridad se ha alcanzado en los túneles ferroviarios. Eurotunnel (el operador del túnel del canal) decidió mejorar significativamente la seguridad de los pasajeros mediante la creación de estaciones de bomberos, equipadas con sistemas fijos de extinción de incendios (estaciones SAFE). Eurotunnel eligió Linear Heat Series (Serie de Calor Lineal) de AP Sensing como el sistema de vigilancia para activar y controlar el sistema de supresión de incendios.
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