Major Alteration means change other than repair or replacement of building materials or equipment with materials and equipment of a similar type.
Structural alteration means an Alteration that (i) will result in a change in the footprint of the Improvements, (ii) involves the addition of one or more floors to the Improvements, (iii) affects the structural elements or any exterior walls of the Improvements, (iv) decreases the rentable square footage of the Leased Premises other than to a de minimis extent or (v) adversely affects the proper functioning and/or capacity of the building systems in the Improvements.
Alterations means all changes, additions, improvements or repairs to, all alterations, reconstructions, renewals, replacements or removals of and all substitutions or replacements for any of the Improvements or Equipment, both interior and exterior, structural and non-structural, and ordinary and extraordinary.
Specialty Alterations means Alterations consisting of kitchens, executive bathrooms, raised computer floors, computer installations, vaults, libraries, internal staircases, dumbwaiters, pneumatic tubes, vertical and horizontal transportation systems, and other Alterations of a similar character.
Structural Alterations means any Alterations involving the structural, mechanical, electrical, plumbing, fire/life safety or heating, ventilating and air conditioning systems of the Building.