An electrical engineer completes a set of electrical drawings and specifications for a project, except...

The civil contractor is to place the concrete bases and the electrical contractor is to install the site lighting.

The civil contractor is to place the concrete bases and the site lighting, with the electrical contractor making the final connections.

The general contractor needs to coordinate the work and verify that the electrical subcontractor bids the site electrical.

The electrical engineer does not need to control how the work is to be assigned to subcontractors.