Sandi&#39;s Diner on Ayers Street is hosting a grand reopening on Friday to celebrate six years of business. The city is in the process of finishing the last of the road construction around the business, during which took a toll on the business. Owner Sandi Clark said all the bread is made in-house, even the hamburger buns. She says she has revamped the menu with the goal of providing the best waffle in Corpus Christi. 