Two post rack with floor mounting brackets

A method comprising:

• providing a first rack comprising a pair of uprights, each said upright having an upper end and a lower end and a predetermined width, a first bracket attached to said lower ends of said uprights, and a second bracket attached to said lower ends of said uprights, said brackets and said uprights defining a predetermined width of said first rack, each said bracket including a rack-mounting surface attached to the uprights, and a floor-mounting surface extending from the rack mounting surface, the floor-mounting surface of each said bracket having first, second and third pairs of spaced-apart floor-mounting openings, each said pair of floor-mounting openings being capable of receiving associated members therethrough for mounting the respective bracket to the floor, wherein a first distance is defined between said third pair of floor-mounting openings in said first bracket and said first pair of floor-mounting openings in said second bracket, a second distance is defined between said second pair of floor-mounting openings in said first bracket and said second pair of floor-mounting openings in said second bracket, and a third distance is defined between said first pair of floor-mounting openings in said first bracket and said third pair of floor-mounting openings in said second bracket;
• wherein the first distance, the second distance and the third distance are identical;
• and
• providing a second rack comprising a pair of uprights, each said upright of said second rack having an upper end and a lower end, a first bracket attached to said lower ends of said uprights of said second rack, and a second bracket attached to said lower ends of said uprights of said second rack, said brackets of said second rack and said uprights of said second rack defining a predetermined width of said second rack, said predetermined width of said second rack being different than the predetermined width of said first rack, each said bracket of said second rack including a rack-mounting surface attached to the uprights of said second rack, and a floor-mounting surface extending from the rack mounting surface of said respective bracket of said second rack, each said floor-mounting surface of said second rack having a single pair of floor-mounting openings which are capable of receiving associated members therethrough for mounting the respective bracket of said second rack to the floor wherein a distance is defined between said pair of floor-mounting openings in said first bracket of said second rack and said pair of floor-mounting openings in said second bracket of said second rack, said distance defined in said second rack is equal to at least one of first, second or third distances defined in said first rack such that the first and second racks can both be attached, one at a time, to the four holes in the floor
• forming only four holes in a floor in preparation for attachment of the racks thereto;
• installing said first rack onto said floor by placing bolts through said third pair of floor-mounting openings in said first bracket and said first pair of floor-mounting openings in said second bracket such that the other pairs of floor-mounting openings are unused;
• removing said first rack from said floor by removing said bolts from said brackets in said first rack;
• and
• installing said second rack into said four holes in the floor by placing bolts through said floor-mounting openings in the second rack.