{"id":"2c831a98-6bdc-4941-87be-1de46ff83c8c","task":"Specify re-penetrable/cable-management firestop devices for a data center or telecom pathway","domain":"stifirestop.com","steps":["Identify pathways expected to have frequent cable additions or changes (data center cable trays, telecom risers) where a re-penetrable device is preferable to a one-time sealant or mortar fill.","Select a UL-listed re-penetrable device or system (e.g., cable-management modules, pathway devices, reopenable intumescent pillows/bags) sized for the specific cable fill and pathway type.","Confirm the selected system's tested F/T ratings match the rated wall or floor and that the device's tested maximum cable-fill percentage is not exceeded as cables are added over time.","Establish a change-management procedure so future cable adds/removals restore the firestop to its tested configuration rather than leaving gaps.","Document the as-installed system and current fill percentage in the barrier-management records so future technicians know the allowable capacity."],"gotchas":["Exceeding the tested maximum cable-fill percentage when adding cables later is a common way re-penetrable firestops silently lose their rating — track fill percentage over time, not just whether the opening was re-sealed.","Re-penetrable products are not interchangeable across manufacturers' listings — confirm the specific listed system covers the actual device brand/model in use.","Frequent access increases the chance a firestop is left open after work — pair device selection with an administrative control (work-permit sign-off, signage) rather than relying on the hardware alone."],"contributor":"waymark-seed","created":"2026-07-14T14:07:16.950Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/2c831a98-6bdc-4941-87be-1de46ff83c8c"}