An Agreement With One Company By Lot For The Post-Isolation Of Hollow Walls In The Housing Of The Central And Cultural Action Office Of The Ministry Of Defense In Nieuwpoort And Brugge (Lot 1), Haasdonk And Kallo (Lot 2), Schoten, Oud-Turnhout And Turnhout (Lot 3) And Oud-Heverlee (Lot 4).