Alex Isenstadt

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The White House will offer line-by-line detail on its $1 billion plan for its East Wing renovation project during a Senate Republican lunch on Tuesday afternoon, Axios has learned.

Why it matters: The administration is making the case that the project isn't simply about funding a new White House ballroom , as Democrats have claimed , but rather that it will also fund a broad array of new security measures.

Secret Service Director Sean Curran will deliver the presentation.

The $1 billion would be included in a budget reconciliation package that would also fund ICE and Border Patrol.

By the numbers: A one-page document being distributed at the lunch, and reviewed by Axios, will break down the funding costs.

The costs include:

$220 million for "hardening" security at the White House complex, including "bulletproof glass, drone detection technologies, chemical and other threat…