The contractor shall provide the following types of equipment with competent operator: EXCAVATOR, TRACKED, OPERATING WEIGHT UNDER 20,000 LBS EXCAVATOR, TRACKED, OPERATING WEIGHT BETWEEN 20,000 AND 37,999 LBS EXCAVATOR, TRACKED, OPERATING WEIGHT OVER 38,000 LBS GRADER, MINIMUM 40,000 LBS DOZER, 180-250 HP BACKHOE, MINIMUM 20,000 LBS FORCED FEED LOADER, MINIMUM 120 HP FRONT END LOADER, MINIMUM 70 HP SKID STEER, MINIMUM 10,000 LBS SELF PROPELLED ROAD SWEEPER HYDRO PIPE RODDER DUMP TRUCK, SINGLE AXLE, MINMUM 5 CY DUMP TRUCK, TANDEM AXLE, MINIMUM 12 CY DUMP TRUCK, TRI AXLE, MINIMUM 12CY DUMP TRUCK, QUAD AXLE, MINIMUM 19 CY VIBRATORY ROLLER, MINIMUM 50 HP, 50" DRUM NON-VIBRATORY ROLLER, MINIMUM 50 HP, 50" DRUM TRENCH ROLLER PILOT TRUCK IMPACT ATTENUATOR, TRUCK OR TRAILER MOUNTED TL-3