为使路基达到沉降量，满足技术规范。承担施工的中铁二十局宝兰二队（二公司第二十二工程）抓住5月西北地区雨水较少的黄金季节，上足资源，分层碾压，紧跟检测，使路基施工快速成型。
二十二工程队按照项目部的节点工期要求，精心策划，合理布局，隧道施工与路基施工齐头并进，附属紧随其后。隧道施工第一家突破千米大关，并在全线率完成一段骨架附坡。
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