By Bruce Levine

(CBS) — The long-awaited rehab of Wrigley field could begin as early as this weekend, according to Cubs spokesman Julian Green, who told reporters Tuesday that the first wave of the four-year reconstruction project will include the teardown and rebuilding of the bleachers.

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The end result of the new bleacher construction will add 300 seats and higher stands in order to support and affix a new electronic video board over left field. Part of the new setting in the outfield will have a see-through Budweiser advertising sign in right field above the bleachers. This will also be a portion of this first phase of the rehab that should be completed before the beginning of the 2015 season.

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The Cubs will prepare to have as many as seven advertising signs above the bleachers next season. Ownership plans on putting up signs only on a per-sale basis. The Budweiser sign is a part of an exclusive 10-year deal that the team and brewery agreed to in 2013. That contract is for signage and the sale of Anheuser-Busch products in the ballpark seating area for the next 10 years. Other brands of beer can be purchased in the concourse area only.

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Bruce Levine covers the Cubs and White Sox for 670 The Score and CBSChicago.com. Follow him on Twitter @MLBBruceLevine.