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EN
As a result of World War I, the Polish lands were severely destroyed, and the population was poor. The widespread poverty, supply problems, and high prices led to the establishment of the Warsaw Municipal Supply Facilities (Miejskie Zakłady Zaopatrzenia Warszawy/ MZZW). The task of the MZZW fleet was to ensure the supply of food and essential goods to the poorest social groups. Thus, the municipality bypassed intermediaries and their high margins. The articles were distributed through a network of municipal stores. The article describes the history of the buildings at 8 Łazienkowska Street, erected over a hundred years ago, now no longer extant. It was one of the first facilities built by the Capital City of Warsaw shortly after regaining independence. The described complex of buildings was designed from scratch, as the first such facility in Warsaw, meant only for trucks and not for horse traction vehicles. The second owner of the described development was the Municipal Tram and Bus Company, which took over the depot along with the rolling stock. The change of ownership was caused by the seemingly unrelated crash of the New York Stock Exchange. Before the war, Warsaw buses were parked there, the fleet of which was growing rapidly. The defensive war in September 1939 and the occupation removed buses from the streets of Warsaw. After the war, the depot - destroyed in 45% during the Warsaw Uprising - was rebuilt, becoming a symbol of the new socialist Poland. Following the example of the cities of Soviet Russia, with the help of their specialists and trolleybuses, the same service was launched in Warsaw. The depot became the first public transport base to be rebuilt after the war. A trolleybus network plan for the city of Lublin was created within its walls. Before the buildings were demolished, it was once again briefly a bus depot, and, in the end, it played a somewhat important role in the construction of the Łazienkowska Route, becoming the construction base No. 5 for the aforementioned investment.
EN
Standards linked with the environmental protection and vehicles are increasingly restrictive. EURO VI standard and regulations define the acceptable limits for exhaust emissions of new vehicles sold. Because of that, Selective Catalyst Reduction systems are used in a new vehicles with the heavy-duty type engines. This paper presents a study of the SCR system in public transport vehicles of the Municipal Transport Company (MPK) in Lublin, Poland. The tests were performed to study the power consumption of the SCR (the urea applicator into the catalyst) and calculate the results per unit of fuel. The amount of fuel for the Solaris Trollino 12 trolleybus was estimated and the energy demand found was of the order of 343 kWh/year. This gives low diesel fuel consumption, i.e. only 34.3 litres per year. The study also shows a graph of the daily demand of energy by the SCR system in public transport vehicles.
PL
W artykule zaprezentowano uszkodzenia wybranych układów bezpieczeństwa pojazdów komunikacji miejskiej. Skupiono się na uszkodzeniach w układzie kierowniczym. Dane pozyskano z Miejskiego Przedsiębiorstwa Komunikacyjnego w Lublinie. Badaną grupę pojazdów stanowiły autobusy komunikacji miejskiej takie jak: Solaris Urbino 12, Mercedes Benz, Autosan San-City 9LE oraz Autosan Sancity 12LF. Celem prowadzonych badań było określenie jak często ulega awarii analizowany układ.
EN
The article presents some damage of safety systems on public transport vehicles. The article focused on the steering system damages. The data were obtained from the Municipal Transport Company in Lublin. The test vehicle group were public buses such as: Solaris Urbino 12, Mercedes Benz, Autosan Sancity 9LE and Autosan Sancity 12LF. The aim of this study was to determine how often are failures of the analyzed system.
PL
Dla Miejskiego Przedsiębiorstwa Komunikacyjnego SA w Krakowie najważniejszym zadaniem jest zapewnienie pasażerom jak największego komfortu i bezpieczeństwa podczas podróży. Dzięki licznym inwestycjom, które realizuje krakowski przewoźnik, krakowianie i turyści mają do dyspozycji nowoczesny, wygodny i bezpieczny tabor.
PL
W artykule zaprezentowano analizy związane z naprawami wybranych układów bezpieczeństwa pojazdów komunikacji miejskiej. Zaliczamy do nich układy kierowniczy, hamulcowy i zawieszenia. Dane pozyskano z Miejskiego Przedsiębiorstwa Komunikacyjnego w Lublinie w okresie roku 2011 r. Badaną grupą pojazdów stanowiły autobusy komunikacji miejskiej takie jak: Ikarus 280.26, Jelcz M121M, Neoplan N4020, Solaris Urbino 12, Mercedes Benz 628 Conecto LF oraz Mercedes Benz 628 Conecto G. Celem prowadzonych badań było określenie jak często ulegają awarii wymienione układy.
EN
The article presents the statistical analyzes associated with the repair of selected vehicle safety systems of public transport vehicles. These include steering systems, brakes and suspension. The data were obtained from the Municipal Transport Company in Lublin in the period of one year (2011r.). The test vehicles were a group of public transport buses, such as: Neoplan N4020, Ikarus 280.26, Jelcz, Solaris Urbino 12, Mercedes-Benz 0405N, Mercedes Benz 628 Conecto G i Mercedes Benz 628 Conecto 628 FL. The aim of this study was to determine how often the buses are subject to the abovementioned systems failure.
PL
W artykule zaprezentowano analizę statystyczną związaną z naprawami układów bezpieczeństwa pojazdów komunikacji miejskiej. Zaliczamy do nich układy: kierowniczy, hamulcowy i zawieszenia. Badaną grupą pojazdów stanowiły trolejbusy użytkowane przez Miejskie Przedsiębiorstwo Komunikacyjne w Lublinie. Informacje o naprawach dotyczyły okresu od stycznia 2010 r. do września 2012 r.
EN
The article presents the statistical analyzes associated with the repair of selected vehicle safety systems of public transport vehicles. These include steering systems, brakes and suspension. The test group of vehicles were operated by trolleybuses from the Municipal Transport Company in Lublin. Information related to a period from January 2010 to September 2012.
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