Introduction of the Great Man Made River Project in Libya > 자료실

본 회 유정길 자문위원께서 수행하신 리비아대수로(GMMR)에 적용된 기술을 정리하였습니다.



(Part II)

In technical sides, this work shall consists of all Clearing and Grubbing necessary for the performance of the work covered by the contract in accordance with the specification. Clearing shall consists of the removal and disposal of everything above ground level including overhanging branches except those things the Engineer directs are to be left undisturbed.

The materials to be cleared shall include but not necessarily be limited to trees, stumps, logs, grass, crops, loose vegetable matter and structures unless provided for elsewhere. Grubbing shall be confined to major roots beneath the embankment footing excavations so that the original ground surface shall be disturbed as little as possible. Topsoil shall be removed as agreed with the Engineer and will be removed as pipeline excavation.

 In addition, the work shall consist of all required excavation within the limits of the site. Haul Road for transporting heavy pipe(75 ton each) shall be constructed in accordance with the specification. Maintenance and repair of its road have to timely perform with spraying water of surface and compacting areas of loosen earth. While completed project, this haul road will be used for the people who live along side the pipeline sites.

The sizes of each pipe(Prestressed Concrete Cylinder Pipe:PCCP) are fixed length of 7.5m, diameter of 4m, average weight of 75 ton, particularly a patented article by Price Brothers Company in USA. The installation of pipe have to be performed according to specification and Engineer’s instruction following survey of pipeline for alignment, compaction soil bottom and sides of pipeline, welding bonding bar between pipe and pipe, working diaper around pipes, well point method for the trench bed soil improvement in swampy areas and water test of pipeline planned in each section.