Brand New Office, Brand New Technician, Brand New Building. Starting from Scratch, More or Less

I am a techinican with the DoD, I have 8 months of formal training (mostly useless), along with over a year OJT and 2 years experience after that. I have just been put in charge of taking care of a (much smaller) existing network, while preparing for new infrastructure after the customer organization moves in a year or so. I have a brand new technician on the way from training, so I will also be training him, but that's mostly beside the point.

Starting from nothing, what cabling techniques and termination devices have been the best in your experiences? Are the EZ RJ45 crimpers worth the 250% markup? Any recommended test equipment as well? What are some early pitfalls that I could avoid?

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Thanks in advance!

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Edit: Apologies for being unclear originally. I am strictly a maintainer. I will be help desk after the new network is up, but I am transitioning from a workcenter with all standards and procedures in place to nothing. I don't want to just reproduce what I know without hearing some other input.

Disclaimer: DoD network, I don't have complete control over it, but I should have most of the layer 1-3 administration. Flipside, funding shouldn't be too much of an issue if I can justify it. Also, I apologize if this slightly infringes on Rule #5 but I wasn't sure.