The standards are vast, and vary depending on many factors. If your interested in learning more, perform a Google search for the NEC or National Electrical Code as well as TIA/EIA. Most structured cabling installations are best left to the pros, particularly fiber-optics.
What are the standards for buried cables, the depth, width, etc..?
What are the concerns in placing them side by side with electric cables, train rails, telecphone cales, etc?