Headquarters, Building 6, 1st, 2nd and 3rd floor, Building 7, and Building 8, Basement, 1st floor, and 2nd floor. The Contractor shall remove and dispose existing window components, frames, glass and other structural pieces. The Contractor shall install new energy star certified windows or equal with interior and exterior frames of white vinyl with one lite per opening. The Contractor shall anchor the new units to existing brick/tile at each side with tap cons and to the existing lentil. Each shall be trimmed with vinyl on the exterior to the exposed bricks. The existing sill plates shall be bolted to the tapconned 1x4's, adhering them to the existing mortar sill. All windows to come with half screens. Toilet room windows shall include frosted/obscuring glass. All windows shall have low-e glass. The Contractor shall confirm window count and sizes at jobsite visit.