Advice Requested

I am considering using TI to backup 4 Win98 workstations on a Novell Netware 3.12 network. The server only has a 3gig HD, and presently backs itself up as well as the workstations' data files to a 4/8gig tape.
I do not want to upgrade any hardware.
Given these space restricitions, I thought that I would create an image of each workstation, one at a time, on the server, and then move each image onto its own tape for storage.
In the event of a workstation HD crash, will the bootable TI floppies enable me to connect the WS to the server to restore the image? Does anyone have a better method than the one I outlined that does not require additional hardware?
Thanks.