...S&P Global Ratings assigned its '##+' long-term rating to Charlotte, N.C.'s series 2018 certificates of participation (COPs). At the same time, S&P Global Ratings affirmed its '###' long-term rating on the city's existing general obligation (GO) bonds and its '##+' long-term rating on the city's installment purchase obligations. The outlook is stable. We also affirmed our '##+/A-1' dual rating on Charlotte's series 2013G variable-rate COPs and series 2003F variable-rate COPs. The long-term component of the rating is based on the rating on the obligor, the City of Charlotte, while the short-term component is based on the short-term ratings on the issues' respective liquidity providers, which are Wells Fargo Bank N.A. for series 2013G and Bank of America N.A. for series 2003F. Proceeds will fund the cost of various upgrades and construction projects throughout the city, as well as land acquisition and site preparation for a police station. The rating on Charlotte's installment purchase obligations...