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Trump’s Border Wall Models Take Shape In San Diego

Crews work on a border wall prototype near the border with Tijuana, Mexico in...

Credit: Associated Press

Above: Crews work on a border wall prototype near the border with Tijuana, Mexico in San Diego., Thursday, Oct. 19, 2017.

The last two of eight prototypes for President Donald Trump's proposed border wall took shape Thursday at a construction site in San Diego.

The prototypes form a tightly packed row of imposing concrete and metal panels, including one with sharp metal edges on top. Another has a surface resembling an expensive brick driveway.

Companies have until Oct. 26 to finish the models but Border Patrol spokesman Theron Francisco said the last two came into profile, with crews installing a corrugated metal surface on the eighth model on a dirt lot just a few steps from homes in Tijuana, Mexico.

As the crews worked, three men and two women from Nepal, ages 19 to 30, jumped a short rusted fence from Tijuana into the construction site and were immediately stopped by agents on horseback.

RELATED: 30-Foot Border Wall Prototypes Erected In San Diego Borderlands

Francisco said there have been four or five other illegal crossing attempts at the site since work began Sept. 26.

The models, which cost the government up to $500,000 each, were spaced 30 feet (9.1 meters) apart. Slopes, thickness and curves vary. One has two shades of blue with white trim. The others are gray, tan or brown — in sync with the desert.

Bidding guidelines call for the prototypes to stand between 18 and 30 feet (5.5 and 9.1 meters) high and be able to withstand at least an hour of punishment from a sledgehammer, pickaxe, torch, chisel or battery-operated tools.

Features also should prevent the use of climbing aids such as grappling hooks, and the segments must be "aesthetically pleasing" when viewed from the U.S. side.

The administration hasn't said how many winners it will pick or whether Trump will weigh in himself.

There is currently 654 miles (1,052 kilometers) of single-layer fence on the 1,954-mile (3,143-kilometer) border, plus 51 miles (82 kilometers) of double- and triple-layer fence.

RELATED: Construction Of Border Wall Prototypes Begins In San Diego

"I'm sure they will engage in a lot of tests against these structures to see how they function with different challenges," U.S. Rep. Bob Goodlatte, a Virginia Republican who chairs the House Judiciary Committee, said Tuesday after touring the construction site.

Trump has asked Congress for $1.6 billion to replace 14 miles of wall (22.4 kilometers) in San Diego and build 60 miles (96 kilometers) in Texas' Rio Grande Valley, the busiest corridor for illegal crossings.

Here's a rundown of companies building prototypes, their headquarters and value of their contract. Two are making one concrete prototype and another using other materials.

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