How to add a widget area below header

Best place to ask will be the forum for your theme, BrickYard –

https://wordpress.org/support/theme/brickyard#postform

You’ll need to start by creating a child theme so that your changes are not lost when the theme is updated –

http://codex.wordpress.org/Child_Themes

I am sure what I asked above is a standard question and the answer will work for every theme?

Not really, as it depends on how the theme is coded. In any case, it’s best to post in the theme forum because it helps keep the forums organized and helps other people find threads on that theme.

Have you made a child theme yet? Be sure to include a copy of the theme’s header.php file in the child theme folder – as you’ll likely need to modify that.

But let’s continue this in the correct forum –

https://wordpress.org/support/topic/create-a-widget-area-below-header-navigation-menu?replies=1