Archaeology fieldwork which is accessible for all participants no matter their current physical or mental circumstances can be achieved with only a few minor adjustments and often at little or no financial cost to the organiser or contractor. Of course some manual team work is required prior to commencement of the excavation, this should always be the case, with individuals, working together to support each other to the benefit of the team. This guide provides a general overview and offers a brief insight into what is possible with a little thought and consideration.
http://www.bajr.org/bajrguides/41_enabled_archaeology/41enabledarchaeology.pdf