Hamann Construction, a general contractor in El Cajon, Calif., has built hundreds of concrete tilt-up and block building projects ranging in size from 5,000 square feet to over 250,000 square feet; ...

There is a lot of overlap in the preparation for paving residential driveways and the bigger commercial work, typically parking lots, but that doesn't mean that the work is completely interchangeable.

• Construction crews will pour concrete starting Friday for a new sidewalk on Nakoma Road, blocking driveway access for homeowners for two weeks • The project aims to improve pedestrian safety along ...