Construction site delivery with crane unloading: how to plan it

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Construction site delivery with crane unloading: how to plan it

A delivery of materials to a construction site succeeds when it is planned around the place, not the truck. We explain how to set the notification and the time window, what to check about access and ground, where to mark the drop zone and how to coordinate the delivery with the assembly crew.

A construction site delivery with crane unloading is planned around the place, not the truck. Agree a time window and notification with the site manager, check the access road and the bearing capacity of the ground, mark a drop zone within the crane reach and make sure a decision-maker is on site. Then the truck unloads in tens of minutes instead of blocking the site and the crew.

The Polish-language version of this article is the reference one. This is an informational translation.

A truck-mounted crane (loader crane, in Poland called HDS) is a crane fitted on a lorry. It unloads materials where there is no ramp and no forklift, and its capacity falls with the outreach: the further from the truck, the less it can lift.

Notification and the time window on site

A construction site is not a warehouse: there is no fixed ramp and no all-day goods reception. Agree a specific unloading window with the site manager and confirm it the day before. Register the truck and the driver in advance if the site requires passes, and provide the phone number of the person who will point out the unloading spot. Without this the driver loses the first half hour looking for anyone with authority, and the window shrinks.

Access and ground: what to check before the truck arrives

  • Whether the access road can take a loaded truck: entries, curves, the gate, tonnage limits
  • Whether the ground at the unloading spot is hardened and will bear the crane outriggers
  • Whether power lines or scaffolding elements hang over the working area
  • Whether there are excavations nearby that rule out setting up the outriggers
  • Whether the truck can turn around or drive out forwards after unloading

The drop zone and the crane reach

Mark the drop zone as close as possible to where the material will be built in, but within the crane reach. Give the carrier the weight of the heaviest package and the distance over which it must be placed: these two numbers decide the choice of vehicle. Material placed straight in the right spot saves double handling, which on a construction site is usually done by hand and costs more than the transport itself.

Coordination with the assembly crew

The most expensive scenario is fitters waiting for material or material lying around the site for weeks. For staged assembly, for example steel structures, it pays to split deliveries into batches following the works schedule and to set the unloading order so that the elements needed first lie on top. Report long and non-standard pieces in advance: they need a different vehicle and different securing, which we also cover under out-of-gauge loads.

How we organise it

At OTSL we run construction site deliveries: from notification and selecting a crane truck to deliveries in step with the crew schedule, including on the hour. Describe the material, the place and the deadline in the contact form and we will propose a delivery plan.

Frequently asked questions

What is crane unloading?
A truck-mounted crane (loader crane, HDS in Poland) is a crane fitted on the lorry. Crane unloading means the truck unloads the materials itself, without a ramp or a forklift, which is the standard on construction sites. The crane capacity falls with the outreach, so the weight of the heaviest package and the placing distance matter for the quote.
What should be prepared on site before a crane delivery?
A confirmed time window, passes for the truck and the driver if the site requires them, a decision-maker with a phone, a hardened unloading spot with space for the crane outriggers, and a clear drop zone within the crane reach, away from power lines and excavations. It is also worth checking that the truck can drive out after unloading.
Can a loader crane unload long loads and steel structures?
Yes, provided the right vehicle is selected and the parameters are reported in advance: the length of the elements, the weight of the heaviest piece and the placing distance. Long elements need different securing and more manoeuvring space, and the largest structures may already count as oversized transport with its own requirements.
What if the site has no hardened access road?
Say so before the quote, not at unloading. Solutions exist: unloading at the edge of the site with the crane placing the material over a distance, a vehicle with lower ground pressure, or a delivery in stages with smaller vehicles. The worst scenario is a truck stuck in the mud or unable to set up its outriggers, because then the delivery goes back or waits for equipment.

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