A recent USA Today poll of all members of Congress found that 69 of 292 GOP lawmakers said they would back devoting $1.6 billion to start building the wall.
Customs and Border Protection may pick several winners, or none.
The San Diego County Board of Supervisors yesterday banned items that could be used as weapons, such as baseball bats, knives and rocks, in certain areas where border wall prototypes will be built. Construction of the wall prototypes is expected to last about a month.
"We are committed to securing our border and that includes constructing border walls", said Ronald Vitiello, acting deputy commissioner of U.S. Customs and Border Protection.
Mormon University Ends Ban On Caffeinated Soda
Prior to this, students at the Provo school would bring caffeinated beverages onto campus for late night study sessions. While caffeine is not explicitly banned by the Mormon church, adherents to the faith are encouraged to avoid it.
The prototypes will be 18 to 30 feet high and 30 feet long.
Mr Trump recently said the wall should be see-through, in order to prevent people from being hit on the head with sacks of drugs.
"We consider the prototypes political theater for a wall that has no funding, and has really no way to exist", said Soto. The construction site is about two miles east of San Diego's Otay Mesa border crossing at the end of steel-mesh fence that runs from the Pacific Ocean. The following companies were selected to build them: Caddell Construction; KWR Construction Inc. of Sierra Vista, Arizona; ELTA North America Inc. of Annapolis Junction, Maryland; and W.G. Yates & Sons.
The concrete designs will have openings to allow agents to see across the border.
A spokesman for the Border Patrol, Mark Endicott, said on Monday that construction is expected to begin "in the near future... we now don't have anything to release regarding the start of construction", he said. Both waivers are in California, including one that covers the site of prototype construction.