The Department of Homeland Security has issued a final request for proposals to build a virtual fence on the U.S.’s border with Mexico, DHS said Friday.
In a Federal Business Opportunities post, DHS said it wants a contracting firm to replace a faulty virtual fence it originally spent $1 billion on more than a decade ago.
Since then, DHS has released several RFPs to revamp the fence but has yet to award a contract.
The new plan released Friday aims to build six new towers over a period of eight-and-a-half years.
Requirements include the ability to detect an average size person within a five-mile radius in a variety of terrains and the ability to withstand 10-to-15 mile per hour wind gusts.
The selected contractor must install the first system tower within a year of receiving the award.