3D
Usually, in buildings, there are places that can be visited on an emergency basis; For this reason, under these sections, dry ceiling access panels are installed so that these points can be accessed easily and conveniently.
Mechanical facilities could be accessed such as cleanouts, faucets, under-sewer siphons, and under-sewer risers through these panels, as well as electrical facilities and equipment such as telephones, central antennas, fire alarm systems, computer networks, and places where power cables pass.