20 0 3年 9月 14日 ,龙滩右岸导流洞工程比合同工期提前 16天通过竣工验收 ,工程质量评定为优良。此前 ,左岸导流洞已于 2 0 0 3年 6月 7日通过竣工验收。以导流洞工程为标志的截流项目的顺利完成 ,确保了龙滩工程具备截流条件。龙滩右岸导流洞是亚洲洞径最大的导流洞 ,最大设 On September 14, 2003, the diversion tunnel project at the right bank of Longtan passed the check-in and acceptance 16 days earlier than the contract and the construction quality was assessed as excellent. Earlier, the left bank diversion tunnel was completed and accepted on June 7, 2003. The diversion tunnel project as a sign of the closure of the successful completion of the project to ensure that the closure of Longtan project conditions. The diversion tunnel on the right bank of Longtan is the largest diversion tunnel in Asia with the largest diameter