The Floor Grid
To begin laying out the Data Center, start with a map of the building area the Data Center is to occupy and draw a grid over that space. The grid, consisting of squares 2 feet (61 centimeters) on each side, helps align objects in the room and simplifies where to place everything. If you intend to install a raised floor in the Data Center, also use this grid to represent floor tiles, because the grid squares are the same size. (Information about whether to install a raised floor system in your Data Center and what attributes such a floor should have are spelled out in Chapter 5, “Overhead or Under-Floor Installation?”) If you draw the Data Center on graph paper, use the squares on the paper for the floor grid.
Be sure that the map ...
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