Work includes 4 EA 5' pre-cast combination curb inlet under roadway with no extensions, including excavation, bedding and backfill, all materials & labor, complete, in place; 4 EA 5' pre-cast combination curb inlet under roadway with dual extension, including excavation, bedding and backfill, all materials & labor, complete, in place; 124 LF 12" dual wall, pp (polypropylene) slotted drain, inlcuding excavation, concrete encasement, all materials & labor including all necessary bends, fittings, grates, etc; complete, in place; 170 LF 18" dual wall, pp (polypropylene) slotted drain, including excavation, concrete encasement, all materials & labor including all necessary bends, fittings, grates, etc; complete, in place. See attached files.