Storm sew­ers shall be required to pro­vide ade­quate drainage along any street and such storm sew­ers, man­holes, catch basins, inlets and out­lets shall be con­struct­ed in accor­dance with the applic­a­ble pro­vi­sions in the spec­i­fi­ca­tions.  Catch basins are to be con­struct­ed in accor­dance with Illi­nois Depart­ment of Trans­porta­tion stan­dards.  The storm water drainage sys­tem shall be sep­a­rate and inde­pen­dent of the san­i­tary sew­er sys­tem and shall be in accor­dance with the drainage laws of the State ofIll­i­nois.  The plans and spec­i­fi­ca­tions for the dis­pos­ing of storm water shall be approved by the Coun­ty Engi­neer.