Authorizing the striking from City Plan No. 185 and abandonment of a certain right-of-way reserved for drainage purposes in the area lying east of Pelham Road and southeast of Hortter Street and the plotting upon the said City Plan of a new right-of-way for sewer and drainage purposes in an alternate location within the same area and authorizing acceptance of the grant to the City of the said right-of-way being plotted, under certain terms and conditions.