Pool Barrirer Requirements
If we look at the 2006 International Residential Code Appendix G Section AG105.2.9 We have doors in the house that exit into the pool area.  I will try to explain below why the code sounds so ridiculous.

More on Pool Door Alarms
The important factor is that adults can hear the alarm if they are sleeping or performing household activities such as vaccuming the house. Being that the alarm is this loud, the homeowner has a tendency to disable it. In the event there are toddlers in the house, we have to rely on the homeowner to turn the alarm back on. This is whyey the requirement is that “The alarm shall automatically reset under all conditions…The alarm system shall be equipped with a manual means, such as touch Pad or switch, to temporarily deactivate the alarm for a single opening. Deactivation shall last for not more than 15 seconds.”

Read more on Pool Door Alarms that meet UL 2017 AG105.2.9.2…