Updated

The Department of Homeland Security next week expects to make its first formal request for designs of President Trump's proposed border wall between the U.S. and Mexico, which Trump has said is necessary to enforce U.S. immigration laws.

DHS said that while detailed requirements are still being worked out, it expects to erect 30-foot-high concrete walls along the border.

"[W]e anticipate procuring concrete wall structures, nominally 30 feet tall, that will meet requirements for aesthetics, anti-climbing, and resistance to tampering or damage," DHS said in a March 3 notice describing its plans.

On Thursday, DHS issued an update that said it would issue a formal request for proposals as early as March 15.

Read more on WashingtonExaminer.com