En el desempeño de trabajos en altura hay ocasiones en las no necesariamente implica un ascenso de las personas del equipo operativo al lugar de trabajo, sino que, hay momentos en los que hay que descender, ya que existen estructuras e instalaciones a las que sólo podemos acceder desde puntos más altos. Para ello hemos incorporado las Negative Mobile Elevating Work Platforms, also known as PEMP-N, which allow work to be carried out at negative relative levels (below the truck's support level) comfortably and safely. At Transgruma we have a range of negative runways with various capacities to be able to work on cable-stayed bridges, working between the arches of small historic bridges, dam bodies, port docks, etc. Use of the equipment PEMP-N it is also possible on bridges with road safety barrier systems and acoustic protection.
Las pasarelas están montadas sobre camión y tan sólo necesitan unos pocos minutos para el despliegue completo desde la posición de reposo hasta la posición de trabajo. Únicamente tras el despliegue completo, las personas del equipo operativo pueden acceder a bordo de la pasarela de trabajo a través del acceso protegido correspondiente y, desde donde podrán comunicarse con el operador que maneja el vehículo desde el puente mediante sistema de intercomunicación vía radio o videocámara. The walkway is mounted on the lower part of the vertical tower, being able to rotate up to 180° below the bridge (± 90°), allowing it to work transversely or longitudinally with respect to the bridge or viaduct deck.
The manoeuvre of moving the unit forwards/backwards along the bridge with the gangway deployed in the working position is controlled from the control panel on the gangway, with the authorisation of the driver located in the vehicle's cab.
These inspection and maintenance platform models guarantee a safe, fast and economical system of access to various structures where negative work is required.
The stabilisation system consists of a rolling stabiliser located on the right-hand side of the vehicle, which allows the truck to move at a constant speed along the bridge or viaduct with personnel on board the working walkway, thereby increasing work productivity. The vehicle can move along the track with the walkway deployed (in the working position). Speed: 10 m/min.
The truck cab is fitted with a video camera system installed within it, which allows the working platform to be viewed in real time. Likewise, the MEWP-N has a radio intercommunication system between the working platform and the vehicle cab. In this way, the operator in the truck cab and the operatives on the working platform are in continuous communication while carrying out these tasks and during intermediate movements of the MEWP-N.
* Included in models 150/160 and 170/190. The 70L/S model only has radio.
Generador de corriente eléctrica de 10 kVA de potencia con tomas de 220 V y 380 V para facilitar alas personas del equipo operativo los trabajos de mantenimiento a realizar con grupos de soldadura o herramienta eléctrica. * Incluido en modelo PEMP-N 150/160 – 170/190
El vehículo incorpora un compresor hidráulico de 950 l/min con toma de aire de 10,5 bar de presión, para facilitar alas personas del equipo operativo trabajos de mantenimiento y de reparación con herramienta neumática o pistolas para pintar la estructura del puente o viaducto, muelle portuario, etc. *Incluido en modelo PEMP-N 150/160 – 170/190
Sistema de iluminación para trabajos nocturnos o en condiciones de baja visibilidad en la pasarela de trabajo, en la torreta vertical, escalera de acceso de las personas del equipo operativo a la pasarela de trabajo y debajo del vehículo para aumentar la seguridad en los trabajos a realizar.
* Included in PEMP-N 150/160 – 170/190 model
Inside the walkway we will position a manual scaffold with the capacity to lift one person (120 kg) up to a height of 2.0 m above the walkway floor (up to a working height of 4.0 metres), which allows personnel access to the interior of the spaces between the bridge deck beams.
* Included in PEMP-N 150/160 – 170/190 model
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