NY -- Standard&Poor's CreditWire 3/27/98 –- Standard&Poor's today assigned its double-'B' rating to the District of Columbia's $200 million G.O. bonds series 1998A and to the District's $300 million G.O. refunding bonds series 1998B dated March 15, 1998 due June 1, 2028. These bonds are scheduled to sell April 1, 1998. At the same time, Standard&Poor's affirmed its double-'B' rating on the district's unenhanced G.O. outstanding debt. The district's G.O. bond rating was upgraded on March 11, 1998 based on improved financial and administrative factors resulting largely from federal legislation affecting the district. A critical component to the improvement in the district's creditworthiness was the implementation of the National Capital Revitalization and Self-Government Improvement