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Estudio De Impacto Ambiental

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Estudio De Impacto Ambiental ESTUDIO DE IMPACTO AMBIENTAL CONSTRUCCIÓN DE LA II LÍNEA DE SUBTRANSMISIÓN DE 33 KV PARA LA CIUDAD DE PUERTO MADRYN PROVINCIA DEL CHUBUT A EMISIÓN INICIAL 14/06/07 REV./CANT DESCRIPCIÓN FECHA SERVICOOP PUERTO MADRYN SERVICOOP ESTUDIO DE IMPACTO AMBIENTAL Pág.2 de 173 PUERTO MADRYN CONSTRUCCIÓN DE LA II LÍNEA DE SUBTRANSMISIÓN DE 33 KV PARA LA CIUDAD DE PUERTO MADRYN PROVINCIA DEL CHUBUT INDICE DE CONTENIDO 1 RESUMEN EJECUTIVO .................................................................................................... 5 2 DATOS GENERALES ......................................................................................................... 8 2.1 Nombre de la empresa .................................................................................................. 8 2.2 Domicilio ...................................................................................................................... 8 2.3 Actividad principal de la empresa ................................................................................ 8 2.4 Domicilio para notificaciones ...................................................................................... 8 2.5 Nombre de los responsables técnicos del EIA: ............................................................. 8 3 DESCRIPCION DE LA OBRA: .......................................................................................... 9 3.1 Antecedentes: ................................................................................................................ 9 3.2 Denominación del Proyecto: ....................................................................................... 9 3.3 Ubicación del Proyecto: ............................................................................................... 9 3.4 Superficie requerida ..................................................................................................... 9 3.5 Obra civil desarrollada y vías de acceso: .................................................................. 10 3.6 Tipo constructivo: ....................................................................................................... 10 3.7 Vida útil del proyecto: ................................................................................................ 11 3.8 Duración de los trabajos: ........................................................................................... 11 3.9 Alternativas de traza analizadas y selección de traza ................................................ 12 3.9.1 Caracterización topográfica de la traza ........................................................... 13 3.10 Principales componentes de la obra - normas de diseño técnico .............................. 16 3.10.1 Línea de Media Tensión de 33 kV ...................................................................... 16 3.10.2 Principales Características - ............................................................................. 16 3.10.3 Condiciones ambientales de diseño ................................................................... 17 3.10.4 Soportes y sus características ............................................................................ 18 3.10.5 Fundaciones ....................................................................................................... 19 3.10.5.1 Estructuras de hormigón armado .......................................................19 3.10.6 Franja de servidumbre ....................................................................................... 20 3.10.6.1 Restricciones al dominio ....................................................................20 3.10.6.2 Determinación de Franja de servidumbre ...........................................20 3.10.7 Grapería, herrajes y accesorios ......................................................................... 22 3.10.8 Conductores ....................................................................................................... 22 3.10.8.1 Conductor ........................................................................................22 3.10.8.2 Aisladores y cadenas .........................................................................22 3.10.9 Puestas a tierra .................................................................................................. 23 3.11 Caminos ...................................................................................................................... 24 3.11.1 Caminos de acceso a la traza ............................................................................. 24 3.11.2 Caminos dentro de la traza (picada) ................................................................ 25 3.11.3 Alambrados, tranqueras y guardaganados ........................................................ 26 3.12 Mano de obra, equipos y maquinaria utilizada para la construcción. ....................... 26 3.12.1 Cantidad de obreros empleados en la tarea ...................................................... 26 3.12.2 Equipos de izaje, transporte y otros ................................................................... 26 REV DESCRIPCIÓN FECHA A EMISIÓN INICAL 14/06/07 SERVICOOP ESTUDIO DE IMPACTO AMBIENTAL Pág.3 de 173 PUERTO MADRYN CONSTRUCCIÓN DE LA II LÍNEA DE SUBTRANSMISIÓN DE 33 KV PARA LA CIUDAD DE PUERTO MADRYN PROVINCIA DEL CHUBUT 4 RELEVAMIENTO FOTOGRAFICO................................................................................ 27 5 ASPECTOS DEL MEDIO NATURAL Y SOCIOECONOMICO ..................................... 46 5.1 Medio Natural ............................................................................................................. 46 5.1.1 Rasgos físicos ..................................................................................................... 46 5.1.1.1 Clima ..............................................................................................46 5.1.1.1.1 Precipitaciones ......................................................................................... 50 5.1.1.1.2 Evapotranspiración y humedad relativa: ................................................. 52 5.1.1.1.3 Vientos: ..................................................................................................... 54 5.1.1.1.4 Heladas y Granizos .................................................................................. 55 5.1.1.1.5 Presión atmosférica: ................................................................................ 56 5.1.1.1.6 Tormentas: ............................................................................................... 56 5.1.1.1.7 Cielos claros: ........................................................................................... 56 5.1.1.2 Geología y Geomorfología .................................................................56 5.1.1.2.1 Geología: .................................................................................................. 56 5.1.1.2.2 Geomorfología, Características del relieve: ............................................ 66 5.1.1.3 Sismicidad ................................................................................................ 66 5.1.1.4 Suelos ..............................................................................................70 5.1.1.5 Hidrología superficial: ......................................................................73 5.1.1.6 Acuíferos y Aguas subterráneas..........................................................79 5.1.2 Rasgos Biológicos .............................................................................................. 80 5.1.2.1 Flora. ..............................................................................................80 5.1.2.1.1 Paisaje de los Rodados Patagónicos: ...................................................... 84 5.1.2.1.2 Paisaje costero ......................................................................................... 86 5.1.2.2 Fauna. .............................................................................................86 5.1.2.2.1 Aves .......................................................................................................... 88 5.1.2.2.2 Mamíferos ................................................................................................. 90 5.1.2.2.3 Listado de especies y estado de conservación. ......................................... 91 Estado de Conservación ............................................................................................. 93 5.1.2.3 Ecosistema y paisaje .........................................................................93 5.1.2.4 Area Naturales Protegidas .................................................................95 5.1.2.4.1 Patrimonio Natural de la Humanidad Península Valdez ......................... 95 5.1.2.4.2 Area Protegida El Doradillo: ................................................................... 97 5.2 Medio socio económico .............................................................................................. 98 5.2.1 Aspectos demográficos ....................................................................................... 98 5.2.1.1 Temporada de Ballenas y de Verano:..................................................99 5.2.2 Población y su distribución ................................................................................ 99 5.2.3 Economía ......................................................................................................... 110 5.2.3.1 Petróleo .........................................................................................111 5.2.3.2
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