
The interview of a potentially successful candidate should end with a visit to the worksite. Then you and the candidate both understand the tasks to be performed. If a reasonable accommodation is needed‹ and most often it is not‹the degree of accommodation can be mutually established.
If the person is qualified but you are unable to make a commitment right away, you should say what you would say to applicants without disabilities - "Thanks for coming in. We will be making a decision shortly and will notify you."