The board of review on the sewer district No. 6, or Ann st. sewer, assessinent, met Wednesday, and certified to City Engineer Key;s estímate of the cost of the sewer also to the assessment roll whioh ia to be presented to the counoil Mouday evening. It is as follows: Estiamted oontract price, 1 1,477. 71; adds 20 per cent for eDgineering and contingenoies, $2,295.54. Total estimated oost, f 13, 773.25. Estimated oost of streets crossings as8essed to general sewer fnnd, $1,188.00; amount to be assessed to private property, $12,585.25. Total estimated cost, $13,773.25.