Every post-clean report says the system was cleaned. Far fewer show which system, where the readings came from, and what was left. That is the job of the schematic, and it is the page most often missing, out of date or a photo of a sketch on the back of a job sheet.
What TR19 Grease asks for
TR19® Grease (2020), section 7.4, asks the post-clean report to include a schematic or as-installed drawing of the whole system: its components, changes of direction, access panels, and the areas cleaned and not cleaned. Readings are taken at set locations (6.4), so the drawing is also what ties each micron reading to a place in the duct. TR19 Air (2026) goes further and makes the schematic mandatory, with test points and any access panels added (8.19-8.22).
In short: no drawing, no way for the client, their insurer or the next contractor to check the work.
Why it usually goes wrong
- It is drawn once, years ago, and never updated when the duct changes.
- It is a phone photo of a hand sketch that nobody else can read.
- Test points on the drawing do not match the readings table.
- Areas that could not be reached are in the engineer's head, not on the page.
How SMART Reports handles it
- Draw it on site, on a phone. Tap simple pieces - canopy, straight, bend, tee, fan, fire damper, discharge - and they join up. No drawing skills needed.
- Mark what matters. Test points (TP1, TP2...), access panels (AP1...), fire dampers and any area not cleaned, with the reason.
- Name every reading point. Each test point gets a plain description, such as "TP1 - Canopy plenum, behind filters". The readings table prints in the same order and the same words.
- One drawing per system, kept up to date. The office keeps a site drawing for each system and every new report starts from it. If the engineer finds the duct has changed, he says so with one tap and the office sees it in Review.
- It prints. The drawing goes on the report the client receives, with a key, next to the readings it explains.
What it means for your firm
Reports that stand up when an insurer asks questions. Engineers who are not redrawing the same kitchen every six months. And a record the next visit, by you or anyone else, can actually use.
SMART Reports covers TR19 Grease, fire damper testing and inspections and TR19 Air - one flat price for your whole team: £90 a month for one report type, £150 for two, £200 for all three. No VAT charged.