The second option is the main one we will be looking at, to aim for whatever amount of the floor your budget will allow for, (and you don’t have to do a whole floor), then you can involve volunteers, have staff trained up to supervise the work. By utilising just one half of a room you can allow access for the public to observe the work and spread it over months. Correctly set up the work can be stopped at any time and easily restarted. Not only can your visitors see what is involved in the work in terms of material, cutting methods, setting methods etc but they can see it all in progress.
You can use social media to allow people to track the progress of the mosaic and to explore the potential for public funding for more mosaics. Alongside the main mosaic, using the experience gained from working on it, staff can then run Roman mosaic workshops for both adults and children. Motifs, borders and other patterns from the main mosaic can be used in the workshops. They can see the patterns being created on a large scale and then make there own version.