...SAN FRANCISCO (S&P Global Ratings) April 25, 2018--S&P Global Ratings assigned its '##+' long-term rating to San Francisco City and County's series 2018C-E general obligation (GO) debt. At the same time, S&P Global Ratings affirmed its '##+' long-term rating on the city and county's GO debt, and its '##' long-term rating and underlying rating (SPUR) on the city and county's appropriation obligations. The outlook on these ratings is positive. S&P Global Ratings also affirmed its '###/A-1+' joint-support rating on the city and county's series 2008 variable-rate lease revenue obligations, and its 'A-1+' short-term rating on the series 1, 1-T, 2, 2-T, 3, and 3-T commercial paper (CP). The city and county will use proceeds from this issuance to fund: + Infrastructure and facility improvements to aid emergency response to earthquakes, focusing on water supply and fire and police stations (2018C); + Low- and middle-income housing programs, including those that promote the preservation of existing...