国道318线林芝至拉萨段公路改造工程米拉山至墨竹工卡段取土场、施工便道及临时用地环保恢复方案中交一公局国道318线林拉公路米墨段第四标段项目经理部目录1、工程概况..............................................................................................12、编制依据和原则..................................................................................12.1编制依据........................................................................................12.2编制原则........................................................................................13、恢复目标..............................................................................................24、施工总体方案......................................................................................34.1施工方案概述................................................................................34.2人员配备........................................................................................34.3主要机械设备配备........................................................................45、施工方法..............................................................................................45.1取土场取料....................................................................................45.2河滩取料........................................................................................65.3石料场开采....................................................................................65.4取土场恢复....................................................................................75.4.1边坡修整...............................................................................75.4.2排水沟设置...........................................................................85.4.3场地平整...............................................................................95.4.4表层土覆盖...........................................................................95.4.5取土场绿化...........................................................................95.5河滩区料场恢复..........................................................................105.6采石场环保恢复..........................................................................105.7施工便道恢复..............................................................................115.8临时设施用地恢复......................................................................125.8.1临时用地使用过程控制.....................................................125.8.2使用后恢复方案.................................................................126、环境保护、水土保持措施................................................................136.1环境保护、水土保持组织机构..................................................136.2建立环保目标责任制..................................................................146.3保护实施措施..............................................................................147、安全保证措施....................................................................................15取土场及临时用地环保恢复方案1、工程概况国道318线林芝至拉萨公路改造工程米拉山至墨竹工卡段第四合同段路线起于扎西岗乡东侧K4535+400(接第三合同段终点),终于墨竹工卡县城东侧K4553+256.977(接墨竹工卡至拉萨段起点K4554+800),路线全长17.857Km。为满足施工需要,在本合同段内有3个取土场,1个碎石场,其中1#取土场(K4539+400右1300m)位于扎西...