CCTV Maintenance Checklist

The grading scale is the reason this document is worth more than a visit that cleans lenses and ticks a box, because it asks the only question that matters about a camera, which is whether it can do the specific job it was installed to do. The scale runs Monitor, Detect, Observe, Recognise, Identify, and each step demands substantially more of the image than the one below it. A camera that lets an operator monitor a crowd and see that something is happening is a long way from one that will let somebody recognise a person they already know, and further still from one that will let a stranger identify an individual from the footage alone. Those are not quality gradations in the loose sense; they are different installations, with different lenses, different mounting heights and different distances. The failure this catches is almost never a broken camera. It is a camera that was specified for one job, installed correctly, maintained diligently for years, and is covering a till or a doorway at a width and a distance that can only ever Observe. It works. It records. It appears on every service report as operational. And on the one occasion somebody needs a face, there is no face, and the discovery happens in the worst circumstances and far too late to do anything about it. Recording the quality achieved against the quality required turns that from an unpleasant surprise into a line item with a cost attached, which is a thing a budget can be asked for. The second half of the document exists for a related reason: the obligations that come with recording people are the ones with no symptom at all when they are breached, so they sit here, alongside the cleaning, on the only visit where anybody opens the recorder.

Ninety percent available and eighty one percent meeting purpose are not two ways of saying the same thing, and the gap between them is four cameras. Thirty eight of the forty two are operational, and thirty four meet the purpose they were installed for, which means four cameras are powered, recording, graded Operational on the register and still cannot do their job. Those four are invisible to every other way of reporting on a CCTV system. They will appear as working on a monitor wall, as healthy in a recorder's status page, and as available in any figure that counts cameras rather than capability, and the only thing that finds them is grading each one against the purpose written down in section one. The retention line is the other finding worth dwelling on, and it reads like a non-event: thirty one days held against a stated policy of thirty. One day over is not a scandal, but it is the same failure that produces ninety days against a stated thirty, and it is detectable only by checking the oldest footage the system actually holds rather than trusting the setting. A system holding personal data beyond the period it has told people it holds it for has a problem that nothing about its operation will surface. The wider condition walk of the same site is the facility inspection form, the intervals for this and every other system sit inside a PPM schedule, and where the system is serviced under contract the provider's performance belongs on a subcontractor evaluation.

Almost every CCTV report in existence answers the comfortable question, because it is the one that can be answered from a desk. Cameras up, cameras down, a percentage, a trend. It is genuine information and it is cheap to produce, and if a camera has failed it needs to be known. What it cannot tell anybody is whether the system will deliver what it was bought for, because a camera that has never failed and has been maintained faithfully for six years can have been incapable of its job since the day it was commissioned. Nothing in its service history would show that. The grading against purpose is the only check that finds it, and the reason it is rarely done is that the finding is expensive: a camera that can only Observe where it needs to Identify is not a repair, it is a different camera at a different height or a different distance, and sometimes it is three cameras. That is a capital conversation rather than a maintenance one, and it is much easier to keep reporting availability. The honest position is to report both figures side by side and let the gap between them be the argument, which is what the template does. What this page deliberately leaves out is access control and intruder alarms. They are frequently installed by the same contractor, serviced on the same visit and lumped into the same line on a contract, and they are different systems with different failure modes and different obligations, which is why they are not quietly folded in here.