def readLocationPointDeflection(sheet, row=9, rowlength=10, colStart=1):
    """ Read location of point with max deflection, obtain as percentage of chimney length
    """
    distfromproxendchimney = sheet.rows[row-1][colStart].value
    lengthchimney = sheet.rows[rowlength-1][colStart].value
    pointlocation = 100*distfromproxendchimney/lengthchimney
    
    return pointlocation, distfromproxendchimney, lengthchimney