Glossary

The language of maintenance, service and operations, in plain words

53 terms from maintenance, support, field work, sales, projects, processes, customer service and compliance. Each one with a one-sentence definition, its formula when it has one and the usual mistake.

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Maintenance

Assets, plans, work orders and reliability metrics. 17 terms

Asset

An asset is any piece of equipment, machine or installation whose maintenance you keep track of: its record, its location, its history and its costs.

Asset criticality

Equipment criticality

Asset criticality is the impact that an asset’s failure has on service, production or safety. It helps you share out a maintenance budget that is always limited.

Availability

Asset availability

Availability is the percentage of time an asset is in a condition to operate.

CMMS

Computerized maintenance management system

A CMMS (computerized maintenance management system) is the software where an organization records its assets, plans maintenance, manages work orders and keeps track of spare parts and costs.

Corrective maintenance

Corrective maintenance is the work done after a piece of equipment fails, to bring it back into service.

Cost roll-up

Maintenance cost roll-up · hierarchical cost

A cost roll-up adds up the maintenance cost of an asset and of everything below it in the hierarchy. It tells you what a whole line, plant or building costs, and how much of that each piece of equipment takes.

Critical spare part

Critical spare

A critical spare part is one whose absence holds up the repair and drags out the equipment’s downtime. It is not the most expensive part or the most used one: it is the one you cannot get quickly.

GIS asset inventory

Geospatial asset inventory · GIS inventory

A GIS asset inventory is an asset inventory in which every item has its position on a map: a point, a line or an area.

Maintenance backlog

The maintenance backlog is the pending work that could not be done on time: open work orders, postponed preventive jobs and detected anomalies that are still unresolved.

Maintenance task list

Job plan · PM routine

A maintenance task list is the set of operations carried out on a type of equipment, with their frequency. It is the template that preventive work orders come from.

MTBF

Mean time between failures

MTBF (mean time between failures) is the average time a piece of equipment runs properly between one breakdown and the next. It measures reliability.

MTTR

Mean time to repair

MTTR (mean time to repair) is the average time it takes to bring equipment back into service after it fails. It measures responsiveness, not reliability.

OEE

Overall equipment effectiveness

OEE (overall equipment effectiveness) is the share of planned production time in which a machine makes good parts at its rated speed. It combines availability, performance and quality.

PM compliance

Preventive maintenance compliance · schedule compliance

PM compliance is the percentage of preventive maintenance work orders completed on time out of those scheduled for a period.

Predictive maintenance

PdM

Predictive maintenance decides when to intervene based on the real condition of the equipment, measured through vibration, temperature, power draw or oil analysis, not by calendar.

Preventive maintenance

PM

Preventive maintenance is work planned by calendar or by usage to keep failures from happening: routine inspections, lubrication, scheduled replacements and regulatory checks.

Work order

WO

A work order (WO) is the document that describes a maintenance job: what needs to be done, on which equipment, by whom and when.

Support and service

Tickets, deadlines, channels and what customers see of your service. 9 terms

Customer portal

Self-service portal

A customer portal is the web space where your customers check and open their requests without having to call you.

Escalation

Ticket escalation

Escalation is handing a case over to a higher level, because of its technical complexity or because it is running late.

First response time

FRT

First response time is how long your team takes to send a meaningful reply after a ticket comes in.

Hour bank

Prepaid hours · block of hours

An hour bank is a block of service hours bought in advance that is drawn down as work is done.

Omnichannel

Omnichannel support

Omnichannel means that every channel a customer uses to contact you feeds the same record and the same conversation.

Reopened ticket

Ticket reopen

A reopened ticket is a closed ticket that is opened again because the fix was incomplete or the problem has come back.

Resolution time

Time to resolution

Resolution time is how long a case takes from the moment it comes in until it is closed as resolved.

SLA

Service level agreement

An SLA (service level agreement) is the written commitment, usually part of a contract, on how quickly you will respond to and resolve a customer’s tickets.

Ticket backlog

Support backlog

The ticket backlog is the set of open tickets waiting to be resolved at a given moment.

Field work

The visit, the service report and what the technician carries in the van. 6 terms

Field service management

FSM

Field service management is the management of technical work that happens outside the office: planning who goes where, doing the job, documenting it and closing it.

First-time fix rate

FTFR

The first-time fix rate is the percentage of jobs resolved without having to go back.

Inspection checklist

Maintenance checklist

An inspection checklist is the list of checks carried out during an inspection, with its record and, where needed, its signature.

Online appointment booking

Online scheduling · self-service booking

Online appointment booking lets a customer reserve a time on a web page: they pick a free slot in the schedule of whoever will serve them, without calling.

Service report

Job sheet · field service report

A service report is the document that records what the technician did on a job: tasks, time, materials, notes and evidence.

Subcontractor portal

Supplier portal · vendor portal

A subcontractor portal is the website where your subcontractors receive their jobs, accept or decline them, log what they do and hand in their documents.

Sales and customers

Opportunities, forecasts, payments, profitability and customers who leave. 6 terms

Churn

Customer churn · churn rate

Churn is the loss of existing customers, usually because they do not renew their contract.

Customer profitability

Account profitability

Customer profitability is the difference between what you bill an account and what it costs you to serve it.

Deposit

Upfront payment · down payment · advance payment

A deposit is the part of the price a customer pays up front, when accepting the quote or before the work starts, and it is then deducted from the total.

Payment gateway

Online payment gateway · card processing

A payment gateway is the service that processes a card payment online: it captures the card, asks the customer’s bank for authorization and gets the money to your account.

Sales pipeline

Pipeline

The sales pipeline is the set of open sales opportunities, organized by the stage each one is in.

Weighted forecast

Weighted pipeline

A weighted forecast is the sum of open opportunities, each multiplied by its probability of closing.

Projects

Scheduling, deadlines, team workload and the hours behind each project. 5 terms

Baseline

Project baseline · schedule baseline

A baseline is the saved copy of a project’s approved plan, with its dates and durations. It lets you compare what was planned with what is actually happening at any time.

Gantt chart

Project timeline · schedule chart

A Gantt chart is a project schedule drawn as bars: each task takes one row, and its bar starts and ends on its planned dates.

Resource utilization

Team workload · utilization rate

Resource utilization is the share of each person’s available hours that is already committed to planned work, measured by day, week or month.

Task dependencies

Finish-to-start · predecessors

Task dependencies are the rules that tie the start or finish of one task to another, such as painting not starting until the plaster has dried.

Timesheet

Time entries · project time tracking

A timesheet is the record of the time each person spends on each project, task or customer, used to know what each job costs and what is billable.

Processes and automation

Approvals, staged processes and systems that notify each other. 3 terms

Approval workflow

Approval process · sign-off workflow

An approval workflow is the path a request follows until someone with authority accepts or rejects it: who approves, in what order, within what limits and by when.

BPM

Business process management

BPM (business process management) is the practice of describing how each process in an organization is done, running it the same way every time, measuring it and improving it.

Webhook

HTTP callback · reverse API

A webhook is an automatic notice that one system sends to another, at a web address, as soon as something happens: a new order, a payment or an approved document.

Customer service

Satisfaction, recommendation and conversations from every channel. 3 terms

CSAT

Customer satisfaction score

CSAT (customer satisfaction score) measures how a customer rates a specific interaction, such as a visit or a closed case, using the score they give right afterward.

NPS

Net Promoter Score

NPS (Net Promoter Score) measures how likely your customers are to recommend you, based on a single question scored from 0 to 10.

Unified inbox

Omnichannel inbox · shared team inbox

A unified inbox is the screen where a team receives and answers conversations from all its channels, such as WhatsApp, website chat or Teams, without switching programs.

Compliance

Reports, evidence and signatures you need to be able to prove. 4 terms

Compliance evidence

Control evidence · audit evidence

Compliance evidence is the record that proves a control or obligation was carried out: what was checked, by whom, when and with what result, along with the documents that back it up.

Contractor safety coordination (CAE)

CAE, as it is known in Spain · multi-employer site safety

Contractor safety coordination is the coordination of occupational safety between companies whose workers share the same workplace. In Spain it is a legal duty known as CAE.

Qualified electronic signature

QES

A qualified electronic signature is the highest level of signature under the EU eIDAS regulation: it is created with a qualified certificate and a secure device, and it is equivalent to a handwritten signature across the European Union.

Whistleblowing channel

Internal reporting channel · whistleblower hotline

A whistleblowing channel is the way people who work with an organization report wrongdoing they have come across, by name or anonymously, without fear of retaliation.

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