Yellow Scooter Wheels How Far Away From Yellow Lines On A Pavement On A Scooter Can You Be Without Getting A Ticket (parked & In Uk)

How far away from yellow lines on a pavement on a scooter can you be without getting a ticket (parked & in uk) - yellow scooter wheels

I parked far away from the curb railing chained in a place where the public can access to get a ticket, how close the sidewalk, would you? Are there gaps? I was at Liverpool Work.it not become a barrier is voluntary and not near doors or windows, however, a fine of 02 EUR 70.code. HELP