Wrench Time

Your wrench time number may be an estimate. The lost capacity is real.

Work orders record when a job was released and confirmed. They rarely record the waits for job packs, parts, permits or area release in between.

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From inventory record to job readiness
1

Recorded

The system says the material exists.

2

Findable

The storeroom can locate the exact part.

3

Reserved

It is committed to the job that needs it.

4

Staged

The complete kit is waiting before work starts.

5

Issued

Movement and use return to the record.

Frost & Sullivan 2026 Best Practices Recognition
Global Company of the Year, Augmented Connected Worker, End-to-End Platforms.
Newmont GRACE Kimberly-Clark Chobani Westlake Indorama Ventures
The real problem

The work order closes. The waiting does not show up.

A system of record knows when work was released and confirmed. It cannot see what happened inside those two timestamps.

What the record shows

One block of booked labour

Released Confirmed hours Confirmed
What the floor reveals

The same hours, observed

Searching for the job pack
Waiting at the storeroom
Walking and tool-up
Waiting for the permit
Waiting for area release
On tools
Wrench time is not only a productivity metric. It tests whether the work system gives technicians a job they can execute. The gap between the record and the floor is not a judgement about people. It is evidence about how work reaches the asset.
Interactive diagnostic

Where does the shift go?

The studies split paid time three ways. Select a barrier below to see the handoff behind it and what changes the result.

22%
Time on tools
Work that directly reached the asset.
34%
Inherent to the job
Tool-up, PPE and necessary movement.
44%
Non-value-added
The impactable loss, broken down below.
Six sources of non-value-added time, coded minutes across all three studies
25% of coded non-value-added time, 91 minutes across three studies

No job pack

Handoff: Maintenance planner to technician
What the record shows

A released work order, often with little more than a short description.

What the floor shows

The technician searches for scope, drawings or instructions, or the planner re-walks the job.

What changes the result

Make the job pack complete and available on the device before the schedule commits the crew.

Aggregate minutes across three studies. Not a per-shift or per-technician figure.
22% of coded non-value-added time, 83 minutes across three studies

Materials not staged

Handoff: Planner and scheduler to MRO storeroom to technician
What the record shows

A reservation and, later, a goods issue. Rarely the wait between the two.

What the floor shows

The crew walks to the storeroom, queues, or finds the kit incomplete at job start.

What changes the result

Kit and stage parts against the scheduled job before the week is locked.

Aggregate minutes across three studies. Not a per-shift or per-technician figure.
15% of coded non-value-added time, 57 minutes across three studies

Scheduling wait

Handoff: Maintenance planner to supervisor or scheduler
What the record shows

Planned and scheduled dates. This is the one lag a record can compute.

What the floor shows

Crews wait for an assignment, or work lands in a window it cannot fit.

What changes the result

Schedule only ready work, against realistic crew capacity and site windows.

Aggregate minutes across three studies. Not a per-shift or per-technician figure.
15% of coded non-value-added time, 55 minutes across three studies

Job-site preparation

Handoff: Operations and supervisor to crew
What the record shows

Usually nothing. Area and equipment release is rarely captured on the order.

What the floor shows

Access, scaffolding, the area or the equipment is not ready when the crew arrives.

What changes the result

Confirm access and equipment release as part of readiness, before dispatch.

Aggregate minutes across three studies. Not a per-shift or per-technician figure.
12% of coded non-value-added time, 43 minutes across three studies

Permit and lock waits

Handoff: Maintenance technician to EHS and permits
What the record shows

The permit lives in a separate system, not on the work order.

What the floor shows

The crew waits at the control room for a permit, isolation or lockout to clear.

What changes the result

Prepare permits and isolations with the work package, visible before release.

Aggregate minutes across three studies. Not a per-shift or per-technician figure.
11% of coded non-value-added time, 40 minutes across three studies

Behaviour and idle time

Handoff: Within the crew
What the record shows

Nothing that separates idle time from waiting on someone else.

What the floor shows

The smallest of the six categories in these studies.

What changes the result

Investigate after the readiness barriers are removed. Do not assume the cause.

Aggregate minutes across three studies. Not a per-shift or per-technician figure.
Four of the six are upstream handoffs. Together they account for about three quarters of the coded loss, decided before the crew left the shop.
Behaviour and idle time is the smallest category. Supervision and discipline aim at the smallest number on this chart.

Source: three day-in-the-life stopwatch studies of mechanical and I&E technicians at one Gulf Coast chemicals site. The 22, 34 and 44 split is normalized to an eight-hour shift. The six totals add to 369 coded minutes across all three studies. Site-specific, not an industry average.

See which of these barriers is costing your plant the most.

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The mechanism

Most avoidable loss is created before the technician reaches the asset.

Each stage asks one readiness question. When a stage passes unready work forward, paid time keeps running at the asset.

01

Prepare the job

Are scope, work pack and instructions ready?

02

Schedule ready work

Is there a realistic window and crew capacity?

03

Stage material

Are the required parts picked and ready?

04

Release the work

Are permits, isolations and area access ready?

05

Execute and learn

Do actual labour, parts and failure details return?

Improving wrench time means removing these queues, not asking people to work faster.

What changes the result

Improve the work around the technician.

Tools and training matter. Their reach is limited while jobs still arrive without parts, instructions, permits or release.

Works inside the 22%

Useful, but bounded

  • Better tools and equipment at the job
  • Skills training and craft flexibility
  • Tighter supervision and shift discipline
  • Digital forms replacing paper
Works on the 44%

Remove the reasons work stops

  • Complete job packs and instructions before release
  • Parts kitted and staged against scheduled work
  • Permits and isolations cleared before the crew arrives
  • Only ready work reaches the schedule

The strongest wrench-time gain is often a planning, materials or permit improvement, measured at the asset.

How Innovapptive helps

How Innovapptive puts more hours on the tools.

Technicians lose hours to travel, paperwork and waiting on parts and permits. Innovapptive connects daily management, planning, permits and mobile maintenance, so the shift is spent on the work.

Daily Management for Maintenance

Daily Management for Maintenance

The Digital Daily Management System gives maintenance one daily huddle on live data. It shows what is ready, what is blocked and who owns each fix, with SQDC and wrench time on the same board.

Crews leave the huddle with ready jobs, not open questions. Blockers get an owner and a date before they cost a shift.

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SQDC-Board
Mobile Maintenance

The complete job in the technician's hand.

Work order, task list, asset history, drawings and procedures are on mobile, online or offline. Everything stays synced with SAP, IBM Maximo or Oracle EAM.

No trips back to the shop for paperwork or manuals. Time and findings are captured as the job happens.

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Maintenance
Permits

Permits ready when the crew is.

Permits prepares the permit, job hazard analysis and isolations alongside the work package. Crews are not left waiting at the control room.

Permit status is visible before the job is released. Approvals happen on mobile, at the work site.

  • Teams work on the losses that cost the most.
  • Countermeasures are tracked until the fix is verified.
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safety health
AI Planning & Scheduling

Parts kitted, jobs sequenced, no waiting.

AI Planning & Scheduling sequences jobs by location and readiness and has parts kitted ahead. Technicians move from one ready job to the next.

Less travel between jobs. No mid-job trips to the storeroom.

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innovapptive-imps-scheduling-workspace-ui-inline
Huddles

Bring the expert to the job.

Huddles connects technicians to experts by chat, photo, video and live calls, right from the job.

Solve problems at the asset, not after a callback. Evidence stays attached to the work order.

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SIA
Free guide

Take wrench time from the estimate to the asset.

The Guide to Improving Wrench Time shows maintenance and plant leaders how to remove the waits between release and confirmation.

Download the guide
Customer proof

What happened when execution was connected at Indorama

Innovapptive connected frontline execution to the systems already in place, digitised paper work orders, and closed the reactive gap, without adding headcount.

Digital transformation works when it’s driven from the frontline—giving operators the power to improve execution and protect margin.
Mark Holden Mark Holden Chief Manufacturing and Technology Officer Indorama Ventures
$19M
realised EBITDA savings in 2025
58%
maintenance backlog cut, 24 weeks to 10
80%
PM to CM ratio, up from below 50%
140 → 83
contractors, without losing capacity

See how the site got there, step by step.

Read the Indorama story
Margin Walkthrough

Find out what your wrench-time number leaves out.

Your records show the job. The Margin Walkthrough shows where work waits on the way to the asset, then prices the gap.

1

Understand

We review your maintenance and operating data to establish what the records show.

2

Observe

Two days on the floor tracing how work is prepared and where people wait.

3

Quantify

We connect the verified gap to productive capacity, execution delay and spend.

4

Prioritize

You receive a Margin Improvement Report with the barriers to address first.

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Analyst Recognition

Recognized as a Leader in Connected Worker Platforms

Frost & Sullivan named Innovapptive 2026 Company of the Year and a Leader in its Frost Radar™ for Augmented Connected Worker, End-to-End Platforms, based on platform breadth, AI execution capability, and measurable customer impact.

Frost & Sullivan 2026 Company of the Year award badge — Innovapptive Connected Worker Platform
Frost & Sullivan Best Practices

2026 Company of the Year,
Global Connected Worker Platforms

Frost & Sullivan recognized Innovapptive for closing the frontline execution gap with its end-to-end connected worker platform.

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Frost Radar 2025 — Innovapptive positioned as a Leader in connected worker platforms
Frost Radar™ 2025

A Leader in Augmented
Connected Worker Platforms

Positioned as a Leader for connected worker platforms based on innovation, growth performance & proven enterprise scalability.

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“Innovapptive has taken an innovative approach to AI, developing one of the most extensive AI agent portfolios available. These agents assist manufacturers with their maintenance, operations, reliability, safety, and analytics needs.”
Juan Francisco Dell'Era · Senior Research Analyst, Industrial Automation & Software, Frost & Sullivan

Measure the gap, not the people.

Your records show the job. The floor shows what it takes to get it done. Book a Margin Walkthrough to see where work waits and what that waiting costs.

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FAQs

Questions operations leaders ask.

Not reliably. Those systems record start, finish and labour entries, but rarely the waits inside them. A record-derived estimate is not the same as observed time on tools.

No. Utilization shows whether a technician is assigned to work. Wrench time shows how much paid time reaches the asset. A full schedule can still produce low wrench time.

No. In the cited studies, missing job packs, unstaged materials and scheduling waits were the largest categories. The diagnosis examines the work system and its handoffs, not individual effort.

We review your operating data, observe how work moves on the floor, quantify the gaps and rank them. You keep the Margin Improvement Report whether or not you continue.

No. Innovapptive connects frontline execution to SAP, IBM Maximo or Oracle EAM. Your enterprise system remains the record for work and assets.