He might also consider acquiring an inexpensive tablet for lab work. There are more options for spill/impact-resistant covers for tablets.
A quick google turned up quite a few resources on electronic lab notebooks (ELNs) being used by such institutions as the US National Institute of Standards and Measures, with many of the features and considerations touched on in this Nature article:
https://www.nature.com/articles/d41586-018-05895-3Apparent sponsor page, but does include reviews of some of the most common academic ELNs:
https://splice-bio.com/the-7-best-electronic-lab-notebooks-eln-for-your-research/Free open source ELN:
https://www.elabftw.net/Another ELN with a free version:
https://scinote.net/Researchers in some of the articles I skimmed through also reported using OneNote, Evernote, and other general note-taking tools. I'd consider going back to disability services and discussing the use of recognized ELNs (either free, or possibly through subscriptions that the institution would then have to foot), or standard note-taking apps. Use of ELNs should be something the institution might consider as an accommodation, as the field as a whole appears to have been talking about shifting in that direction for several years.
In terms of completing the lab work per se during the lab period, is extended time an option, perhaps by continuing to work during another scheduled lab period? Mainly, he needs bench space and supervised lab time. It doesn't necessarily even need to be lab time in another section of the same class (though that would be ideal), as any lab supervisor in the department should be able to handle intro-level lab courses. There may even be another section shortly after his.
