jamb_channel_nominal_size
6″ CHANNEL6 in
Lower JAMB detail explicitly typical for sixth-floor Elevators 1 and 2. Nominal channel size only; flange/web thickness, stock designation and orientation remain open. Source-local only; no accepted installed geometry.
Drawing notation: 6″ CHANNEL
Lower JAMB detail explicitly typical for sixth-floor Elevators 1 and 2. Nominal channel size only; flange/web thickness, stock designation and orientation remain open. Source-local only; no accepted installed geometry.