A crucial first step is obtaining a confined space access permit, which is granted by a Confined Space Authorized Manager. Important facts are included in the permit, such as the location of the confined space, the reason for entering, the allowed persons, the duration of validity, the dangers that have been recognized, the necessary control measures (such as ventilation, lockout/tago... https://exigasoftware.com.sg/confined-space-work-permit-system/