NEWPORT, R.I. — City officials are expanding snow removal efforts and rolling out additional mandatory parking bans as Newport continues digging out from this week’s storm and braces for more snow this weekend. The city’s Public Services Department said daytime snow operations remain underway, with crews working to clear streets narrowed by heavy accumulation. Friday parking ban: Lower Thames and Spring Street corridorA mandatory parking ban will be in effect Friday, Jan. 30, from 7 a.m. to 4 p.m. in the Lower Thames and Spring Street area, including:Morton Avenue; Webster Street; South Baptist Street; Carey Street; Extension Street; Narragansett Avenue; Pope Street; Hammond Street; Howard Street; Dixon Street; Young Street; McAllister Street; Dennison Street; Lee Avenue; Brewer Street; Dean Street; Ann Street; Holland Street; Dearborn Street; Simmons Street; Grafton Street; Stockholm Street; Potter Street; Lucas Avenue; Connection Street; Bacheller Street; Byrnes Street; and Marchant Street. Saturday parking ban: Kerry Hill and The PointA second mandatory ban will take effect Saturday, Jan. 31, from 7 a.m. to 4 p.m. in the Kerry Hill neighborhood and on Second and Third streets in The Point. What residents need to knowCity officials said streets listed under the bans will be closed to on-street parking while snow removal is underway.