Export packaging of steel structures for sea transport

We carried out a complex project for the export packing of steel structures in Kwidzyn, destined for sea transport. The task required the design and manufacture of dedicated platforms and transport crates, as well as multi-level protection of the cargo against moisture, corrosion and mechanical damage. Due to the nature and dimensions of the steel structures, a number of advanced technical solutions were used, including special substructures and braces transferring the weight to the entire surface of the crate base, which guaranteed maximum protection during sea transport.

Scope of service provided:

Description of the implementation of the order:

Design and manufacture of dedicated IPPC platforms and transport boxes

Based on the dimensions and specifics of the steel structures, Danpol specialists designed and manufactured three wooden transport boxes and dedicated platforms. All wooden elements were made of certified timber compliant with the IPPC/ISPM15 standard, which ensured compliance with international phytosanitary regulations required for maritime transport. The crates were designed with safety requirements and cargo weight distribution in mind, ensuring maximum strength in marine conditions.

Construction of special foundations and shoring

Due to the significant weight and specific shape of the steel structures, it was necessary to design and manufacture special substructures and braces inside the crates. These structural elements were designed to distribute the weight of the cargo evenly over the entire surface of the crate base, preventing local overloading and possible damage during transport. The use of such a solution significantly increased the safety of the entire set during sea transport, especially in difficult weather conditions.

Multi-layer VCI corrosion and moisture protection

The steel structures were protected against corrosion and moisture in multiple layers. First, a bubble film was applied to provide protection against mechanical damage. Next, a VCI anti-corrosion film with volatile corrosion inhibitors was used to create an active chemical barrier to protect the metal from oxidation. Moisture absorbers were placed inside the packaging to minimise the risk of condensation and protect against corrosion. The whole is completed with a vapour-permeable film on the walls and lid of the box.

Vacuum packaging and load stabilisation

After basic protection, the steel structures were vacuum-packed using ALU barrier film, which ensures complete airtightness and insulation from external conditions. This technology is particularly important for shipping at sea, as it eliminates the access of oxygen and moisture to the metal surface. The cargo was then solidly secured to the substrate using high-quality Cordlash straps, which have exceptional tensile strength. A cross lashing system was used, which effectively prevents the cargo from moving in any direction.

Immobilisation of cargo inside crates

In order to ensure maximum stability during transport, the steel structures were immobilised inside the crates by means of a clever system of locks and stays. All free spaces have been filled with cushioning materials, eliminating the risk of cargo shifting. Support points have been carefully selected to ensure even pressure distribution and to avoid stress concentrations on sensitive structural components.