The Springfields
Ian S (CC BY-SA 2.0), via Wikimedia Commons
I cannot write this biography as requested. The facts provided describe Springfields as a nuclear fuel production facility, not a music group. However, the biographical template asks for information about a musical artist or band called "Springfields" that was active from 1960-1964.
These are two entirely different entities with the same name. The Wikipedia extract about a nuclear installation is incompatible with creating a music artist biography. To proceed, I would need accurate information about the actual musical group called Springfields, including details about its members, musical style, and career milestones.
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