Electronic permit to work (ePTW)

    Permit to Work software
    for critical operations.

    Every permit type, isolation and crew in one flexible system, configured around your site.

    Product demo: a job is created in Zentri, a hot work permit, a working at heights permit and a lockout plan are selected and built into it, creating every record linked and visible on one job.

    Every permit your site uses.

    Hot work, confined space, heights, electrical and your own permit types.

    Hot work permits

    Fire-watch, gas-test and approval controls.

    Confined-space permits

    Entry conditions, atmosphere checks and rescue requirements.

    Work-at-height permits

    Access, rescue and exclusion controls.

    Your permit types

    Electrical, excavation, lifting, or anything your site requires.

    One coordinated job

    More than a digital form.

    Permits, linked LOTO and crews, managed together as one Job in Zentri.

    Your process, configured.

    Build your permits, approvals and rules around the way your site works.

    Add and reorder modules

    Gas tests, PPE, isolations and attestations.

    Set rules by permit type

    Configure roles, validity and reassessment.

    Publish controlled versions

    Update templates without rewriting active permits.

    Manage the full permit lifecycle.

    Build, approve, issue, reassess, hand over and close.

    Build

    Select every permit and linked LOTO the work requires.

    Control

    Manage approvals, issue and changing work conditions.

    Close

    Record handback, restoration and closeout.

    The live Job

    See the whole Job in one view.

    See linked permits, isolation readiness, approvals and crew status together.

    Jobs / JOB-2026-0418 · Mill Line 2 shutdown
    Search jobsSW
    Crusher conveyor overhaulActive
    JOB-2026-0418 · Mill Line 2 · Day 4 of 9
    Job recordPlace hold on job
    Linked records2 permits · 2 lockout plans
    Permits
    Hot work · Mill Line 2 walkwayPTW-2026-0771 · Gas test 09:40 · 3 signed onActive · to 18:00
    Confined space · Crusher chutePTW-2026-0774 · Entry attendant assignedApproved · 14:00
    Lockout plans
    Crusher Feed Conveyor CV-102LO-2026-0418 · LOTO-CV-102 v3.1 · 8 points8 of 8 verified
    Air Compressor AC-04LO-2026-0421 · Electrical · Pneumatic · Stored8 of 8 verified
    Linked observation
    Belt misalignment reported at CV-102OBS-2026-0355 · QR report · Mill Line 2Action assigned

    Know who's ready to work.

    See the work party, required training and recorded decisions on every permit.

    Work-party register

    Every crew member, internal or contractor, signs on to each permit.

    Recorded approvals

    Each decision carries identity, time and a digital attestation.

    Configurable training gates

    Set training requirements to warn or block authorization.

    Permit to Work + Lockout Tagout

    PTW and LOTO, connected.

    Separate controls, managed together for the same piece of work.

    See permit and isolation readiness together from authorization through handback.Explore Lockout Tagout →
    LiveSite

    From one Job to the whole site.

    See current high-risk work by location, status and readiness, on your own site plan.

    LiveSite/Ballylin Dairy · Production Building9 signed on
    Dairy plant layout drawing with permits pinned on the equipment they apply to
    StatusActiveOn hold· isolations appliedIdle
    Questions from evaluators

    Permit to Work software, answered plainly.

    See it working

    See your permit process in Zentri.

    We'll show your workflow from request to handback, and how it connects to the wider platform.