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- Q478135 subject Q7355805.
- Q478135 subject Q7583093.
- Q478135 subject Q8319168.
- Q478135 subject Q8411099.
- Q478135 subject Q8788989.
- Q478135 subject Q8859592.
- Q478135 abstract "The Pylons of Cádiz, also known as the Towers of Cádiz, are two tall pylons supporting a double-circuit 132 kV three-phase AC powerline over the bay of Cádiz, Spain starting at Puerto Real Substation at 36°31′05″N 6°9′20″W to the substation of the former Cadiz Thermal Power Station situated on the peninsula upon which the city of Cádiz stands at 36°30′17″N 6°15′56″W. The crossing consists of 16 pylons: two ~160 metres tall suspension pylons carrying the line over the Bay of Cadiz, two strainer portals built of concrete and at each strainer portal a group of 6 monopolar strainers, which are used to carry the conductors from the strainer portal to the first standard line tower ( at the northern end of the span) respectively to the switchyard of Cadiz Substation ( at the southern end of the span).The strainer portal at the southern end is situated close to Cadiz Substation at 36°30′20.29″N 6°15′56.13″W, that of the northern end at Matagorda at 36°31′16.85″N 6°14′45.35″W. Bot strainer portals are including their upper mentioned monopolar strainers fenced-in.The huge suspension towers are situated in Cádiz near Fort Puntales and the Puntales Naval Station at 36°30′29.86″N 6°15′44.15″W and at Matagorda quarter near the commercial wharves at 36°31′7.61″N 6°14′56.92″W.The rest of the line consists of pylons with 3 crossbars carrying 6 conductors. An interesting feature is, that the powerline crossing does not use despite its great height a ground conductor in the span section. The huge suspension towers, which are of very unconventional design, were conceived and designed by the Italian engineer, Alberto Toscano. Each is a hollow mast resembling a truncated cone (or frustum). The diameter of the frustum decreases from 20.7 metres at the base to six metres at the top. The towers, which rest on reinforced concrete plinths carry on their pinnacle a single crossbar with rhomboid profile, on which the insulators carrying the conductors are fixed. The towers consist of galvanized steel parts, which are hold together by a network of diagonal girders. Inside the steel framework, a helical staircase ascends to the top crosspiece.The overall effect is as aesthetically pleasing as it is functional. In this respect, the towers bear a superficial resemblance to the Eiffel Tower in Paris. This unconventional mode of construction was chosen because Spanish steel mills were unable to produce massive steel carriers at the time, and importing such carriers was impossible because of the Francisco Franco regime.The construction was carried out under the supervision and direction of Remo Scalla, a close friend of Alberto Toscana. The same team of Toscana, the designer, and Scalla, the builder, also joined forces in building the structures supporting the lines that span the Strait of Messina, between Calabria, on the mainland of Italy, and the island of Sicily. The Cádiz project started during the latter part of 1957 and concluded in 1960. Upon completion, the towers were acquired by the Spanish National Institute of Industry.".
- Q478135 thumbnail Bay_of_cadiz_Electricity_Pylons.jpg?width=300.
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- Q478135 point "36.518055555555556 -6.155555555555556".
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- Q478135 comment "The Pylons of Cádiz, also known as the Towers of Cádiz, are two tall pylons supporting a double-circuit 132 kV three-phase AC powerline over the bay of Cádiz, Spain starting at Puerto Real Substation at 36°31′05″N 6°9′20″W to the substation of the former Cadiz Thermal Power Station situated on the peninsula upon which the city of Cádiz stands at 36°30′17″N 6°15′56″W.".
- Q478135 label "Pylons of Cádiz".
- Q478135 lat "36.518055555555556".
- Q478135 long "-6.155555555555556".
- Q478135 depiction Bay_of_cadiz_Electricity_Pylons.jpg.