Construction of the Trans-Alaska Pipeline System for a fifth, should it become necessary. Holding tanks were planned that had a capacity equal to that of the pipeline, allowing the whole pipeline to be emptied if required. As required by the Pipeline Authorization Act, a ballast-water filtration system had to be designed as well. This system removes oil from tankers' ballast water so it is not released into Prince William Sound—something fishermen feared when the pipeline was proposed. Shortly after the permit was signed, convoys of equipment on snow tractors began heading north, using hardened snow roads and an ice bridge over the Yukon River to reach
Escravos–Lagos Pipeline System Warri Gas Treatment Plant to Egbin tee at PS4 near Lagos is 36 inches. The diameter of the section from Escravos to Warri and from Egbin Tee to Alagbado Tee at PS5 is 24 inches. The capacity of the pipeline is 800 MMsfd do not meet expected gas consumption demand. By 24 inches tee in Itoki: By tee to Oben - Geregu pipeline ELPS can supply also Geregu I and II power stations and Ajaokuta steel mills ELPS carry also a volume of 170MMscfd for West African Gas Pipeline. Escravos–Lagos Pipeline System The Escravos–Lagos Pipeline System (ELPS) is a natural