The Somerville City Council was scheduled to vote on a proposed tax rate of 74.116 cents per $100 valuation at their Tuesday, Aug. 12, meeting, an increase of 6.421 cents over last year’s rate of 67.695 cents.The higher rate is being sought to cover debt service on the city’s $1.3 million certificate of obligation to construct a new city hall.The No New Revenue Tax Rate, the r...