1 Pneumatic Rock Drill - Sullair MRD-30 7/8" x 4-1/4" shank Approved Brand: Chicago Pneumatic CP-0022-02 or equivalent Alternative brands will be evaluated. (Response required) Quantity: 2 UOM: Each. 2 Pneumatic Breaker, 90# Class w/Muffler & Vibration Reduction - 1-1/8" shank Approved Brand: Chicago Pneumatic CP-1290-S (1-1/8") or equivalent Alternative brands will be evaluated. (Response required) Quantity: 1 UOM: Each. 3 Pneumatic Breaker, 60# Class w/Muffler & Vibration Reduction - 1-1/8" shank Approved Brand Chicago Pneumatic CP-1260-SVR (1-1/8") or equivalent Alternative brands will be evaluated. (Response required) Quantity: 3 UOM: Each. 4 Pneumatic Breaker, 35# Class w/Muffler & Vibration Reduction - 1" shank Approved Brand: Chicago Pneumatic CP-1210-SVR (1") or equivalent Alternative brands will be evaluated. (Response required) Quantity: 2 UOM: Each.