- 1). Call your local utility companies to mark gas, electric and water lines before drilling to ensure you do not drill into a line.
- 2). Contact your local town or municipality to determine the required distance from the structure to the car stop and the distance between car stops. Some local codes call for a specific distance between the car stop and a structure so as to provide a walking area for pedestrians.
- 3). Use a tape measure to measure the distance from the center of the first predrilled hole to the center of the second predrilled hole along the top of the car stop. Write down the measurements.
- 4). Mark the ground with chalk, using the measurements from hole to hole.
- 5). Equip a power drill with a masonry drill bit equal in size to the diameter of the rebar pin to drill through concrete or asphalt. Position the masonry drill bit over the ground markings and drill a hole 8 inches deep. Repeat for the second mark. Drilling a hole 8 inches deep penetrates through most lot surfaces into the ground below. If the concrete or asphalt plus the gravel base is thicker than 8 inches, drill the hole deeper until you reach the soil beneath.
- 6). Set the concrete car stop in place, aligning the predrilled holes with the holes in the ground. Have an assistant lift one end while a second assistant lifts the opposite end.
- 7). Insert an 18-inch rebar pin through the predrilled hole, lining it up with the hole drilled in the ground. Tap the top of the rebar pin with a 4-lb. masonry hammer to drive the pin into the hole. Continue to strike the rebar pin until the top of the pin sits flush with the top of the concrete car stop.
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