The first time a client called me about a gate for a logistics facility off the I-10, I drove out before quoting anything. The property ran three shifts. Gate traffic started before 5 a.m. and continued past midnight. Delivery trucks arrived on no fixed pattern at all.
An hour at the entrance told me more than the phone call had. The site needed a Class III operator, because access is limited to staff and scheduled carriers rather than the general public. It needed a rack and pinion drive to carry the cycle count without a chain stretching under it. And it needed more than one loop on the approach lane, because a single loop cannot both call the gate open and protect a truck sitting under the opening.
None of that was visible from a phone conversation. We mapped the daily cycle projection, documented the drive selection, and matched the access control integration, the connection between the gate system and the credential readers and fleet management software the client already ran, to their existing infrastructure. Nothing was ordered until the spec sheet was signed off.