The first file on the canal sluice schedule began with the gate release board and millers’ water receipts. The city then checked the source, heard affected residents and sent a second office to repeat the count.

The current Year first, cold harbor window 1 file records 81 release minutes recorded at the lower gate; the previous window records 80. The longer sequence makes the change visible, while each count remains tied to its own dates.

A turning point was the observation that the downstream clock runs slow when its iron casing is cold. It narrowed the discussion from a general claim to a question about how the rule works at the site.

Millers use the gate clock to plan a shift. Canal crews compare it with the marked level on the stone wall. The shared record is larger than it was at the start, although the parties still assign it different weight.

The service office posts the new schedule and records its first operating count. The responsible office has begun the follow-up set by the board, which adopted an adjusted schedule for the next service window.