Joe EskenaziShops the cat, 19, is the benevolent monarch of the city's Central Shops maintenance yard​Dave Del Grande has been working at the city's Central Shops for nearly 25 years. He started as a mechanic and worked his way all the way up to operations director. Any dinged up city vehicle -- ranging from the gardening implements at Harding Park Golf Course to police cars and fire rigs -- comes through his maintenance yard. All told, Del Grande oversees the well-being of more than 6,500 car