Specifications include, but are not limited to: SNOWPLOW, 11 FOOT, 36" HIGH, POLYMER- MOLDBOARD, REVERSIBLE, TRIP BLADE SHALL BE IN ACCORDANCE WITH THE STATE OF ILLINOIS, DEPT. OF TRANSPORTATION SPECIFICATION NO. 252-60-20 FOR 36" HIGH POLYMER MOLDBOARD TYPE, REVERSIBLE, TRIP BLADE SNOWPLOW, DATED AUGUST 2012. OPTION, CASTER WHEELS AS SPECIFIED IN THE ABOVE REFERENCED SPECIFICATIONS FOR THE ABOVE REFERENCED SNOWPLOWS. SNOWPLOW, 12 FOOT, HIGH MOLDBOARD TYPE, REVERSIBLE, TRIP BLADE SNOWPLOW WITH EXTENDED DISCHARGE. SHALL BE IN ACCORDANCE WITH THE STATE OF ILLINOIS, DEPT. OF TRANSPORTATION SPECIFICATION NO. 252-60-22 FOR HIGH MOLDBOARD TYPE, REVERSIBLE, TRIP BLADE SNOWPLOW WITH EXTENDED DISCHARGE, DATED AUGUST 2012