Spanish Instructor service. Eight (8) modules per year (One Base Year + 4 option Years), each module shall be 54 hours. Classes will be offered Monday through Thursday between the hours of 1730-1930 i... Spanish Instructor service. Eight (8) modules per year (One Base Year + 4 option Years), each module shall be 54 hours. Classes will be offered Monday through Thursday between the hours of 1730-1930 in accordance with paragraph 1.6.5 of the PWS.