South Korea has made changes to its construction plan at Camp Humphreys that could delay finishing the project, a Ministry of National Defense spokesman said Monday.

Those changes, which affect the design and building process on the second of three construction phases, were made in April, the spokesman said. South Korean officials have disagreed on whether the new plan will increase costs and delay the relocation.

Last week, several South Korean media outlets reported that the expansion project at Humphreys could be delayed by as much as four years, which would push the completion date to 2016 because of increased construction costs.

Most U.S. forces in South Korea are to relocate to Humphreys by 2012. The installation is scheduled to have tripled in size by then.

A U.S. Forces Korea spokesman said Monday that he wouldn’t speculate about the construction timeline.

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