Inspection route planning for engineers and surveyors
Inspection route planning for inspection bodies: how to build daily engineer routes around statutory due dates, site access, competence and safe driving.
Inspection route planning is building each engineer's or surveyor's daily run of statutory and reactive inspections so every item is examined before its due date by a competent person, with the least driving. It works from item-level due dates, groups jobs by site and area, respects client access and shutdowns, and leaves room for breaks and reactive work.
Key takeaways
- Route from item due dates, because a LOLER or PSSR date belongs to the item and can differ across one site.
- Only the last few weeks before a due date are useful routing space, since an early examination pulls the next date forward under most regimes.
- Site access, plant shutdowns and engineer competence fix more of the route than geography does.
- Plan driving safely: HSE guidance and the Highway Code shape how long a daily run can be.
What makes inspection route planning different from audit routing?
Inspection route planning deals with many short jobs a day. An engineer surveyor examining lifting equipment, pressure systems or electrical installations may visit several sites in a day, where an auditor spends one or more days at a single client. The route is the product: a poor sequence costs an inspection slot, and over a year that becomes missed due dates.
The rules also differ. Each item carries its own statutory interval, set by regulation, an examination scheme or a written scheme of examination. For certification audit trips, see auditor route optimisation. For the due-date rules behind this guide, see statutory inspection scheduling.
Which date should an inspection route use?
Routes are built from the date that applies to each item, taken from the latest report. Under LOLER, lifting accessories and equipment for lifting people are due at least every 6 months and other lifting equipment every 12 months, unless an examination scheme says otherwise. Under PSSR, the report states the date after which the system may not be operated without a further examination.
The span in which an item can be visited without harm: from the earliest date that does not pull the next due date forward by more than your policy allows, up to the due date itself. Items outside their routing window should not be added to a route to fill a gap.
- 1Too early: next date moves forward
- 2Planned visit
- 3Last safe routing day
- 4Due date
Keeping a small buffer before the due date gives one chance to rebook if the client cancels or the equipment is in use. Details by regime are in LOLER thorough examination scheduling and PSSR examination scheduling.
What constraints shape an engineer's daily route?
Geography is only one input. The table lists the job types most inspection bodies route, with the constraint that usually decides where each job lands.
| Job type | Date flexibility | Constraint that decides the route |
|---|---|---|
| LOLER thorough examination | Low: due date from the last report | Equipment out of use at the visit, access to lifts and cranes, competence for the equipment type |
| PSSR examination | Set by the written scheme | Plant shutdown or cold examination dates agreed with the client, often months ahead |
| Periodic electrical inspection (EICR) | Interval on the last report | Occupier access and isolation windows. See EICR scheduling |
| Exceptional circumstances examination | None: needed before further use | Urgency and nearest competent engineer. See reactive inspection scheduling |
| Re-examination after repair | Client-driven | Repair completion date and the original engineer's availability |
How do you build an inspection route plan, step by step?
The sequence below suits an inspection body with a field team of engineers or surveyors working from home. It runs weekly on a rolling horizon and is re-run whenever reactive work arrives.
- Pull the due listEvery item due in the next 8 to 12 weeks, with its regime, site, last report date and applicable due date.
- Lock fixed appointmentsShutdowns, client-set dates and jobs that need a second person or specialist equipment go in first.
- Merge work by siteCombine regimes and items at the same site into one visit where one engineer holds the competences for all of them.
- Build area daysGroup sites into zones an engineer can cover in a day, starting near home and finishing near home.
- Size the dayAdd job durations, drive times, breaks and time for report writing, and stop when the day is full.
- Hold reactive spaceLeave a slot per area each day, or one engineer per area on call, for exceptional circumstances and repairs.
- Confirm accessSend visit dates with enough notice for the client to take equipment out of use and arrange permits.
What does a good inspection route week look like?
The scene shows an illustrative week for two engineers covering overlapping territories. Each day stays in one zone, fixed appointments sit first, and a reactive slot remains open where the plan allows.
- MonEngineer 1Zone A: 6 sitesLOLER, mixed
- MonEngineer 2Zone C: 5 sitesEICR and LOLER
- TueEngineer 1Zone A: PSSRshutdown date
- TueEngineer 2Zone C: 6 sitesreactive slot am
- WedEngineer 1Zone B: 5 sitesreactive slot pm
- WedEngineer 2Zone D: crane2 person job
- ThuEngineer 1Zone B: 7 sitesone item near due
- ThuEngineer 2Zone A coverexceptional exam
- FriEngineer 1Reports, recallsoffice
- FriEngineer 2Zone D: 6 sitesLOLER
✓Engineer 2 covers Zone A on Thursday, so Engineer 1's near-due item stays on its date
How much driving should an inspection route include?
Set the limit as policy. HSE guidance on driving for work tells employers to avoid peak traffic where possible, to consider overnight stays to manage fatigue, and not to set schedules that pressure people into unsafe driving. The Highway Code recommends a break of at least 15 minutes after every two hours of driving. A route that only works if every job finishes early is a route that will cut breaks.
Working time rules also apply. In Great Britain the default limit is an average of 48 hours a week, normally averaged over 17 weeks, unless a worker opts out. Count driving to and between sites as part of the planned day.
How do you check an inspection route before it goes out?
- ✓Every item on the route is inside its routing window and before its due date.
- ✓Each engineer is competent for every item and regime on the day.
- ✓Fixed appointments and shutdown dates are at the right time of day.
- ✓Travel between consecutive sites is realistic at the time of travel.
- ✓Breaks and report-writing time are planned explicitly.
- ✓Each area has reactive space on at least one day.
- ✓Items within four weeks of their due date with no booking are flagged.
- ✓Clients have been sent dates with enough notice to prepare equipment.
Track results with the measures in scheduling KPIs for inspection bodies, and see scheduling for inspection bodies for how the same planning applies across regimes. Checkfirst's ScheduleAI builds routes from item-level due dates, checks engineer competence and keeps planners approving each change.
ScheduleAI is audit scheduling software built for testing, inspection and certification (TIC) organisations, with a planner approving every plan.
ScheduleAI plans inspection routes from item-level due dates across regimes, merges jobs by site, checks engineer competence and clusters work by area, with planners approving every change.
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What is inspection route planning?
Building each engineer's daily run of inspections so every item is examined before its due date by a competent person, with the least driving and room for reactive work.
Should inspection routes be planned by site or by item?
By item, then merged by site. Items on one site often have different due dates, so the plan needs item-level dates before it can combine them into one visit.
How far ahead should engineer routes be planned?
Most inspection bodies plan a rolling 8 to 12 weeks and fix the next one to two weeks. Shutdown-dependent PSSR work may be agreed months ahead.
Can an engineer examine items early to fill a route?
Yes, but under LOLER and most regimes the next due date then moves forward, so habitual early visits add extra examinations over time.
How many sites can an engineer visit in a day?
It depends on job length, equipment type and drive times. Size each day from job durations, travel, breaks and report time instead of a fixed count.
How should routes handle urgent examinations?
Hold a reactive slot per area and re-run the route when urgent work arrives. See reactive inspection scheduling.