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环保投资逾25亿兰渝铁路不给大地“留疤”
2017-09-22 09:47:17 中国青年网
据新华社消息连接我国西北与西南地区的交通大动脉——兰渝铁路即将全线通车。记者从兰渝铁路有限责任公司了解到,截至目前兰渝铁路建设用于环保的投资逾25亿元,占工程总投资的2%以上。
记者连日来行走在千里兰渝线上,看到铁路在绿色中延伸,多数地方已经难以看到施工时留下的痕迹。
据设计方中铁第一勘察设计院集团、中铁二院工程集团介绍,设计部门对兰渝沿线环境敏感区域的线路走向进行了多方案比选,最后工程贯通方案绕避了甘肃兴隆山、白水江,陕西青木川等大部分自然保护区、风景名胜区和水源保护区。
针对无法绕避的敏感区域,线路主要以桥隧形式穿越,尽量少占用保护区内土地、少破坏植被。中铁二院工程集团兰渝项目总体设计负责人张家发介绍说,在途经重庆北碚胭脂鱼保护区时,兰渝铁路采取大孔跨桥梁或一跨过江设计,减少了桥墩数量,还疏通了施工前就已堵塞的胭脂鱼产卵场通道,工程完工后委托渔业部门开展了增殖放流补偿。
兰渝铁路分为南、北两段建设,重庆、四川所在的南段通车已一年多。兰渝铁路公司南充建设指挥部指挥长赵清泊说,南段基本上沿嘉陵江而建,为让一江清水向南流,每个弃渣场都与当地环保、水利、国土等部门对接,严格选址和建设,完工后及时进行生态修复。
兰渝铁路公司介绍说,兰渝沿线上千座弃渣场都按统一标准建设,大部分改造成了耕地和林地。
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