I need to mark a buried line

The aim is not to show the line but to stop the digging. The marking must be where and at a distance the excavation crew will see it; an unseen marker does not exist.

The order of the job

The most common mistake on site

The most common mistake is marking only over the line. An excavator operator approaches from the side; if the marker is not visible from that direction, it does not protect the line.

The second common mistake is renewing a damaged post slightly off its original point. The job of the post is to mark a place.

One shifted by a few metres gives false information that the excavation crew trusts. The third is counting a post with an unreadable label as sound.

Tell us these when you ask for a quote

  1. Route length and line type — gas, power, fibre, water
  2. The wording and authority colour for the plate
  3. Terrain: field, rock, roadside
  4. The type of service — the colour code and the label content follow from it.
  5. The route length and the number of points where direction changes.
  6. The ground type and the vegetation height; tall growth needs the tall type.
  7. Who keeps the record of the line and which emergency number goes on the label.
  8. Whether the depth of the line changes along the route; where it does, the posts are set closer.
  9. Who the excavating contractor is; the post layout is discussed together with their work plan.
  10. When the route will be checked again; without records the posts lose their meaning within a few years.
  11. Which authority holds the line in its inventory; the label content and colour code follow that authority’s rule.

With these three, the price and loading plan come in the first reply; without them we have to ask first.

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Quantity, destination country and your specification if you have one. A technical answer on I need to mark a buried line comes back the same day; pricing is prepared by a person, never auto-generated.

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