The board that runs Jackson Health System on Monday voted to ask Miami-Dade commissioners to call a special election in November asking voters to approve an $830 million bond to pay for renovations and equipment upgrades at the taxpayer-owned hospital system. The request from the Public Health Trust that runs Jackson came as something of a surprise, since it was not on the agenda prior to the meeting, but was added at the last minute by Darryl Sharpton, the board's newly appointed chairman.