This article is part of our topic on construction site security.

To prevent tool and machinery theft, start by knowing which equipment is present, who owns it and where it should be stored. Add suitable protection and access management. Monitoring becomes more useful when it builds on these arrangements.

Missing equipment may have been moved, lent, taken by mistake or stolen. A simple procedure clarifies the situation quickly without accusing someone solely because an item is absent from the inventory.

Create a usable inventory before work starts

Valais cantonal police recommend documenting equipment with references, serial numbers, invoices and photographs, and reporting theft. The practical benefit is precise identification instead of simply describing “a yellow machine” or “a box of tools”.

Distinguish company property, subcontractors’ property and rented equipment. The site manager may not have the same rights or supporting records for each. Define where documents are kept and who can access them. Photographs and references should remain accessible if equipment disappears.

Download the equipment inventory template (CSV)

This template is an organisational aid, not a universal statutory register. Adapt its detail to the equipment, contractual responsibilities and any insurer or rental-company requirements.

Prioritise equipment that matters to the project

Purchase value is not the only criterion. A tool essential to a particular stage can stop work even if it costs less than another item. Identify equipment that is hard to replace, moves between teams or remains on site during closures.

Suggested prioritisation without an artificial score
QuestionOrganisational consequence
Is the item essential to an upcoming stage?Assign a responsible person, location and suitable check.
Does it regularly move between teams?Track loans and returns to distinguish movement from disappearance.
Is it rented or entrusted by another party?Review safekeeping, reporting and documentation obligations.
Does it remain on the closed site?Check storage, access and protection of the area.
Do its references identify it?Complete supporting records before an incident.

This prioritisation does not require individual surveillance of every object. It focuses arrangements on items and situations deserving the most attention.

Organise storage, access and loans

Provide suitable storage and a time for returning equipment. Each team should know what it keeps, what it returns and whom to tell about a missing item. Rules that are too burdensome for daily use risk being abandoned; choose a simple process and assign responsibility.

For machinery, review protection and key-management measures specified by the manufacturer, owner or rental company. The method must remain compatible with operations and authorised maintenance. Avoid sharing access credentials in widely distributed documents.

Connect these arrangements to the construction site security plan. When an area or storage location changes, update closing checks and instructions. Equipment moved into temporary storage should not disappear from the procedure unnoticed.

What cameras and tracking devices can contribute

A camera can help document an event in an area if images are useful and retained under defined rules. It does not automatically establish who took a tool and cannot compensate for unrecorded authorised movements. Context matters as much as having a recording.

A location-tracking device may provide further help for some equipment. Its value depends on the product, power, transmission and lawful use of data. A displayed position should not become an instruction to recover an item personally. After a theft, useful information should be passed to the appropriate people.

Temporary construction site cameras need a defined task and arrangements for receiving events. Security surveillance does not authorise monitoring employee behaviour; the FDPIC explains this framework.

What to do when equipment is missing

Prepare a procedure before an incident to avoid improvised searches and lost information. If there are signs of intrusion or danger, do not seek confrontation. Prioritise an appropriate response and preservation of useful evidence.

  1. Check authorised movements, loans and location changes with the relevant people.
  2. Identify the item precisely using the inventory, owner and supporting records.
  3. Have authorised people preserve available information and relevant footage without publishing it to accuse a suspect.
  4. Report confirmed or suspected theft to the authorities as appropriate, and contact the owner, rental company or insurer under the applicable obligations.
  5. Document disruption to the works and arrange necessary replacement.
  6. Review prevention procedures without assuming the cause before checking.

Do not abandon reporting a theft simply because the item seems inexpensive. Police advice highlights documentation and reporting, including their role in identifying recovered property.

Fictional example: a machine shared by two teams

A machine used by several companies is not in its usual place at closing time. Its serial number is recorded, but loans are not. The people responsible spend time searching before discovering another team moved it for planned work.

The useful correction here is movement tracking, not necessarily another camera. If a different item were genuinely stolen, the same identification records would support a more precise report. This constructed example shows how prevention, traceability and monitoring complement one another.

Include inventory preparation, storage and checks in the site security budget. The goal is a process that works every day, with reliable information when needed.

Frequently asked questions

Should only expensive machinery be inventoried?

No. Also consider the equipment’s role in the schedule, ease of identification and movements between teams. A less expensive tool can block important work.

Can a camera replace loan tracking?

No. An image may not show whether a movement was authorised or who was responsible for the item. Movement records provide that context.

What should you retain to identify a tool?

Depending on the item: description, make, model, serial number, photograph and supporting document. The goal is precise, accessible information if it disappears.

Can you recover a tracked machine yourself after theft?

Location information can help the relevant authorities. It does not justify arranging a confrontation or risky recovery yourself.

Sources and method

The inventory sheet, prioritisation and coordination procedure are original editorial tools. The example is fictional; no recent theft statistics are inferred from older police publications. Sources consulted on 23 October 2026.