Building Operating Management, May 2014, by R. Stephen Spinazzola.
http://www.facilitiesnet.com/datacenters/article/Plan-For-Entire-Life-Cycle-When-Developing-A-New-Data-Center--14952

"Facilities managers should plan for the entire life cycle when developing a new data center."

A 3-part article:
Part 1: Plan For Entire Life Cycle When Developing A New Data Center
Part 2: Colocation, Managed Hosting Are Alternatives To Owning A Data Center
Part 3: Focus On Data Center Life Cycle Can Help Shape Infrastructure Planning, Maintenance