Rivergate Shopping Centre (ASDA)

I work as a carer and called by to drop prescription at Boots Chemist in morning after doing this I returned to clients home. I returned to collect prescription in afternoon and again parked in car park. Few days later I received a fine for being there for hours! Can't get anyone to answer phone! So whilst being at work and being parked outside clients house I am being fined whilst working elsewhere in Irvine and my car only being there twice for dropping off and collecting prescriptions. Disgrace and illegal!

Whilst working as a carer I drove to carpark and went to Boots Chemist to drop off prescription. Later that afternoon parked there again to pick up prescription and left to deliver to client. I have received a parking fine from my morning arrival up to my leaving time on second visit for collection of prescription. What is wrong with this system?