NEW YORK (Standard&Poor's CreditWire June 29, 1999NEW YORK (Standard&Poor's CreditWire June 29, 1999—Standard&Poor's today affirmed its single-'A' rating on Hamilton County, Ohio's $30.26 million health care facilities improvement revenue bonds, issued for Twin Towers Inc. The rating reflects: -- Significant cash levels; -- Strong financial profile as demonstrated by sound financial operations and pro-forma debt service coverage; -- Good utilization; -- Sound management and operation of a 459-unit, fee-for-service, continuing care retirement community; and -- Favorable location in economically diverse and wealthy suburb of Cincinnati, Ohio (rated double-'A'-plus), and situated on a 115-acre wooded site. Series 1999A bond proceeds will fund phase I of the project, including the renovation of a portion of the existing facilities to convert 44 independent living apartments