On Monday, 18 March 2019 19:24:56 UTC, JimK wrote:
What ingenious acess methods / bits of access kit can the team
come up with or ideally recommend?

Combi ladder

https://www.ladderstore.com/ladders/...-use-on-stairs

Or wait until the circus comes to town and ask to borrow a couple of acrobats.

Owain