(05 Apr 2020, 10:55 pm)Robin57 wrote ifm001. Firstly can we forget about that message I sent you last time. Do you know which day they would use Shields depot to store some vehicles. Friend Robin

As Michael has stated Robin.  Nothing official is happening between Shields and Sunderland. It is purely a suggestion/speculation as to what could happen
You need to realise that those of us on this site are mainly enthusiasts as you. With a few people who are actual employers and can give further insight to suggestions and queries that we enthusiasts may have. 
Addressing points direct to individuals is not always appropriate as that member may or may not be the best person to answer the query.