Walk it
Every building is walked on a regular rhythm: roof to cellar, with a pencil. What we see is written down the same day.
Most of what keeps a building sound happens in a predictable order. We follow it.
Outer arc: heating season, October through May
Drag around the dial, or use the arrow keys. Schedules are typical; each building has its own, and the law sets minimums that we meet or exceed.
Fig. 11 — Stair, looking up
Every building is walked on a regular rhythm: roof to cellar, with a pencil. What we see is written down the same day.
A small leak is a plumber's afternoon. A large one is a ceiling, a floor and a lawsuit. We would rather have the afternoon.
Dates, contractors, parts, photographs. A building's history should be readable by whoever looks after it next.
Residents tell us things buildings cannot. Messages are read, logged and answered, and the answer says what happens next.

Heat is the plainest promise a landlord makes. It depends on a boiler, a burner, controls, risers, valves and a great many small, dull checks. We do the dull checks before the cold arrives, and we keep them on file.