Urban Transit Focus: Urban Transit
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Focus Urban transit Focus: Urban transit London Underground Underpinning 1890 Paris unprecedented NYC Métro Subway 1900 Budapest urban growth 1904 Metro Boston 1896 Beijing MBTA Istanbul Subway San Francisco 1901 Metro Atlanta Delhi 1971 Tokyo BART 1989 Dubai MARTA Metro Metro 1972 Metro Shanghai 1979 2002 Metro 1927 Cairo 2009 The Metropolitan Railway, now part 1993 1987 of the London Underground system, Mexico Barcelona was the first underground urban City Metro Metro Bangkok Met. railway in the world when it opened 1969 1924 Chennai Caracas Rapid Transit under steam power in 1863. And in 1890, Metro Metro 2004 parts of what is now London Underground Lagos 2015 also became the world’s first electrified 1983 Metro underground railway. 2016 Although underground and other light rail has been around for well over a century now, it is currently experiencing a resurgence of growth, particularly in Asia, where there are Lima Klang Valley Mass large, rapidly expanding populations in developing cities. Metro Rapid Transit India, for example, currently has 30 metro projects planned 2011 Over the past century 2017 in its cities that have populations of over one million. Many Pandrol has supplied urban transit systems are currently under construction in Santiago other parts of the Far East. to and supported some Metro of the world’s oldest, Over the past 20 years, Pandrol has developed its position 1975 longest, busiest and most as a global leader of rail infrastructure solutions for metro Buenos Aires innovative transit systems. Sydney and light rail, with its systems installed in numerous railways Underground Light Rail throughout the world. Designing and manufacturing 1913 fastening systems, welding, electrification solutions and 1997 track equipment, Pandrol can offer multiple solutions from a single supplier. The company’s products and services are designed to maximise efficiency of track installation Pandrol has worked collaboratively with Barcelona Metro for Sydney Light Rail is an example of the challenge and operation, and to address safety and environmental over 20 years and continues to deliver solutions that meet contractors and operators have constructing railway factors such as noise and vibration. A recent addition to the needs of the expanding, historical city to reduce noise infrastructure in the centre of a capital city. Pandrol the Pandrol service offering is track-based monitoring and vibration and minimise the disruption of service for worked with its customer to plan a schedule of works with equipment which generates data that is then analysed using maintenance. For the Line 5 Barcelona Metro project Pandrol minimal interruption to one of the busiest intersections in Pandrol innovative systems. Pandrol’s teams are rail was asked to develop a solution that could offer the same downtown Sydney enabling residents to live and work side infrastructure experts, high performance as the current system but was lighter, more by side with the transport system. This offers customers insight into their metro and encouraging customers to ergonomic and quicker to install. underground tracks that can be used to prevent collaborate to solve their The Klang Valley Mass Rapid Transit project in Malaysia maintenance needs occurring and maximise uptime. problems and work together The priority for Santiago Metro is keeping the city moving, started for Pandrol as a series of site visits to analyse this is increasingly challenging as the city experiences regular the projects varying requirements for noise and vibration The following metro feature looks at recent projects that from design through to disruptions to service following earthquakes. Pandrol worked isolation. Pandrol’s technical team worked in collaboration Pandrol has delivered globally. Each project presented installation and beyond. in partnership to develop a value engineered solution that with Mitsubishi Heavy Industries to design, test and unique product and environmental requirements that the Thomas Lorent Head of Transit could offer reliability in extreme conditions. deliver products with a comprehensive package of Pandrol team, in collaboration with their customers, technical support that included working with local teams worked to meet. on track during construction to ensure best practice. pandrol.com Focus: TRACK REPORT Urban transit The Pandrol DRS assembly is well suited to high speed applications installed on pre-cast blocks, sleepers or slab. Pandrol has provided both technical product support and training for contractors on the installation of the DRS system. The MRTA projects are a great example Pandrol solutions of collaborative working to achieve the best possible solution for the customer. Pandrol DRS has also been specified for the Orange Line East, for which construction for Bangkok MRT has not yet started. Back in 1992, the Thai Government approved the establishment ELECTRIFICATION of a state enterprise for the creation of the Mass Rapid Transit Authority (MRTA) in Bangkok and its surrounding areas. The need for mass rapid transit was essential to enable the rapidly growing Pandrol built on experience and track expertise to provide full population to move quickly and easily around the region. support for the development of a electrification package to suit the Pandrol supplied fastening solutions for the Purple and specific track infrastructure. Green Line South, which were completed in 2016 and Tao Poon City 3rd rail on Green Line A 3rd rail conductor solution using 2017 respectively. unique co-extrusion technology Purple Line was chosen as this offers longevity Our DRS assembly was the ideal 23 km from Tao Poon – Khlong Bang Phai and high performance for MRTA. solution for Mass Rapid Transit Fréderic Petrus Green Line South SOLUTION As the project has challenging Authority because of its high 12.6 km from Bearing to Samutprakarn. Pandrol environmental conditions and is performance and vibration reduction Electrification large in scale, Pandrol’s Co- Both lines were delivered with Pandrol’s Double Resilient properties. DRS has benefits for the Pandrol’s DRS provides the advantages of an indirect Manager rail fastening system, distributing the vertical deflections extruded technology was selected System (DRS), and additionally, Pandrol supplied contractor, in terms of ease and speed ® between the rail pad/clips and the baseplate pad/compression for its safety characteristics Aluminothermic welding and the Pandrol QTrack of installation, as well as for the track embedded rail system for the depot areas. springs and separating the functions of the anchorage and and reliability. operator, due to its durability and long rail fastening. The company also designed and supplied a complete term performance. It is widely used in composite conductor rail system for the electrification Louis Vandamme major developing cities such as Hong To cater for the interaction between the rail and the track of these lines and this system is being developed General Manager Sales Kong, Kuala Lumpur, Singapore and structure, low toe load and/or zero longitudinal restraint (ZLR) for Green Line North. (Asia-Pacific) for Pandrol fastening options are available. The use of 3rd rail has a number of benefits, including: Dubai. greater expected lifespan than an overhead contact The coil springs and baseplate pad absorb most of the wire due to its rigidity vertical deflections and also play a part in countering the eradicates the impact of electromagnetic interference These were major projects in terms of volumes, with Purple approximately 19 km of track in a densely populated area effects of end rotation where simply supported beams on electrical components Line involving 184,000 rail seats, Green Line South using close to Bangkok. Green Line North, which is due for form part of the viaduct structure. reduces maintenance costs because power supply equipment is virtually maintenance-free with only 97,000 rail seats, and the upcoming Green Line North completion in 2019, will carry axle loads of up to 17.5 tonnes. Vertical and lateral adjustment is provided for construction/ regular inspections and cleaning required project requiring Pandrol to supply 140,000 rail seats, giving maintenance requirements. Vertical adjustment typically up high reliability and safety - with Pandrol’s 3rd rail there is a total of 421,000 rail seats over the three projects. to 20 mm and lateral adjustment through lockable eccentric no need to control the thickness of the stainless steel. bushes (± 3 mm per rail and ± 2 mm by differential side post Pandrol’s DRS system was also recently specified for the INSTALLATION insulators) total ± 5 mm per rail. All Pandrol’s products are designed specifically for the northern extension of the Green Line elevated railway. railways and its technical engineers have extensive This is operated by Bangkok Skytrain system and involves For Green Line North, Pandrol introduced a new construction Pandrol’s DRS system is popular with contractors as it enables experience in 3rd rail. On this project, Pandrol designed, method which allowed the contractor to concrete up to quick and simple installation. The system is installed on cast manufactured and supplied the 3rd rail, providing a the baseplate in one possession, dramatically improving in-situ concrete plinths. The assembled baseplates are hung detailed layout for approval by the customer. By working These fastening systems were specified construction productivity, by reducing installation time. from the rail and the concrete