Traditional Culture Encyclopedia - Hotel reservation - Standard for opening angle of manhole door of hotel access pipe
Standard for opening angle of manhole door of hotel access pipe
Minimum opening angle, etc.
1. The minimum opening angle of the door should allow people to pass easily and ensure quick escape in case of emergency. The minimum opening angle is 90 degrees.
2. The opening angle of the door should be between 90 degrees and 180 degrees, so that people can pass safely and get in and out conveniently.
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