Water ingress through cracks in the existing concrete lining of the 30-year old Chekka highway tunnel, north of Beirut, forced Lebanon's Council of Development and Reconstruction to refurbish the parallel 360m and 390m long three-lane tubes. Design was based on installing a PVC waterproofing membrane and casting a new 250mm thick reinforced in-situ concrete lining.rnIn spring 2006 contractor Est Antoine Makhlouf, of Beirut, tendered according to the project design and was awarded the contract.
展开▼
机译：贝鲁特北部30年历史的Chekka公路隧道现有混凝土衬砌中的裂缝使水进入，迫使黎巴嫩发展与重建委员会翻新了平行的360m和390m长的三车道管道。设计基于安装PVC防水膜并浇铸新的250mm厚的钢筋现场混凝土衬砌。2006年春季，贝鲁特的承包商Est Antoine Makhlouf根据项目设计进行了招标，并赢得了合同。
展开▼
