Tatiana Blank came to the Bay Area in 1991 when she, her sister, parents and grandparents left Ukraine after the collapse of the Soviet Union. She remembers regularly traveling by Muni bus with her grandparents to help them apply for various affordable senior apartment building waiting lists. It took a few years, but her grandparents were approved for an apartment at 711 Eddy, where they lived for more than 15 years, making friends and enjoying various social activities, English and computer classes,…