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Four rules, and how loud each may get

Every room has one. We measure every month to hold ourselves to it.

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Free, and no membership needed

Tue 3 Nov 2026 · ceilings, and the Kitchen as measured
The ceiling on each house rule: Silent held to 40 decibels, Calls held to 42 decibels, Low voice held to 52 decibels, Talk freely held to 64 decibels.

What each one asks of you

  • silent

    No talking, no calls, keyboards only.

    • Reading Room: 36 at its loudest, ceiling 40
  • low voice

    Talk at the volume of the person beside you; take calls in a booth.

    • Commons: 51 at its loudest, ceiling 52
  • calls

    Calls and video, door shut.

    • Booths: 39 at its loudest, ceiling 42
  • talk freely

    Talk, eat, take a call standing up.

    • Kitchen: 64 at its loudest, no ceiling

When the doors open, and for whom

Access hours by plan, with the front desk and tours
WhoDaysHours
Day passMonday to FridayMonday to Friday08:00–18:00
FlexMonday to FridayMonday to Friday07:00–21:00
Reading Room desk, OfficeEvery dayEvery dayAny hour, by fob
Front deskMonday to FridayMonday to Friday08:00–17:30
ToursWednesday and FridayWednesday and Friday11:00 and 13:00

What is where

  • Showers on the fifth floor, beside Booth 6.
  • Bikes in the courtyard store, fob only.
  • Lockers along the Reading Room’s back wall, one per desk.
  • Filtered water and the kettle in the Kitchen.
  • Printing at the front desk, staffed weekdays.
The sound meter on its tripod at a Reading Room desk, its display turned away, the row of desks and the felt baffles behind it.

How we measure

An A-weighted 10-minute average (LAeq) with the meter on a tripod at seated ear height, 1.2 m, on the first Tuesday of the month at 08:00, 11:00, 13:00, 16:00 and 19:00. You can check us with a free phone meter app, once it has been checked against a calibrated meter.

Last measured Tue 3 Nov 2026, at 08:00, 11:00, 13:00, 16:00, 19:00

Hear the rules at work.

Tours Wednesday and Friday at 11:00 and 13:00: two of the hours we measure, so the rooms sound the way the readings say.

Book a tour

Free, and no membership needed. Or ring (253) 555-0186.