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UNLOADING – SHIPPING – STORAGE - INSTALLATION

UNLOADING – SHIPPING – STORAGE - INSTALLATION

UNLOADING – SHIPPING – STORAGE - INSTALLATION

UNLOADING

  • Packaging varies according to the types of sandwich and trapezoidal panels delivered by land. The packages are separated by EPS (expanded polystyrene) spacers/wedges. These wedges ensure there is proper spacing between the packages so they can be held and moved with a forklift, crane or other lifting devices and they also keep the panels from knocking against each other. 
  • Under Ex Works terms the buyer isİ responsible for equipment and workmanship to unload the packages. A forklift or crane is used to move the goods depending on their dimension and weight. 
  • It is important to protect the edges of sandwich panels and trapezoidal sheets when getting them up on the roof. When using a crane a flat-belt is recommended and, by no means a chain or a wire rope. When lifting the materials up onto a roof the edges must be well-protected. Special care should be taken not to place too much pressure on the sheets.  
  • If possible a device should be used in order to scatter the weight under the packages. 
  • When removing the sheets or panels from a pile they must be pulled sideways to detach them and held upright to avoid scratching the surface of the other panels below. 
  • When unloading the panels from the vehicle or when lifting them to the roof, they should not be held and carried by their edges or corners alone but must be held by different parts

 

SHIPPING

  • Panels up to 6 mt long can be handled with a forklift or a crane. Care should be taken not to damage the panels lying below if a forklift is used to handle the packages and the panel edges should be protected if a lifting beam is used.
  • If the roof panels are up to 15 mt long and the wall panels up to 8 mt long they can be installed manually but if the panels are longer than that then a crane must be used to do the mounting. 
  • When taking the panels out of their packages one by one avoid dragging them on other panels in order to prevent scratching. When moving the panels they should be seized by their edges to avoid warping.
  • If the panels come with a protective film, it must be removed right after the installation. If the panels need to be stored for a long period then it is recommended to keep the protective film on for 2 weeks at most, otherwise it will adhere to the metal sheets due to the effect of sunlight and it will be impossible to remove. 

STORAGE

  • Panels are usually stored for a while at the building site. Storage should be carried out with the following precautions. 
  • Packages must be placed on wooden planks 2 mt away from each other. The EPS spacers that sepatate the packages must be used here as well and special care must be taken so that the planks that go one on top of the other are lined up nicely. 
  • To prevent rainwater from piling up on top of the panels and filtering into them, packages should be placed in a slightly inclined postition, this will allow for eventual water drainage.
  • Materials must be stored indoors.
  • If the materials are not to be stored indoors then they should be put under a waterproof cover in such a way as to avoid puddling.  Also, there must be some space between the panels and the cover so that the goods are appropriately aerated.
  • In spite of all precautions, materials must be checked for water or moisture penetration. 
  • Panels must be stored in a safe place away from roads in order to avoid theft and collision. 
  • Before or after installation, the sheets or panels should not be exposed to and affected by corrosive elements such as soil, lime, mortar, fertilizers, acids, salt or alkali. 
  • Avoid all activity on the panels that might lead to scratching. Panels or sheets should not be left in places where someone might walk on them. 

 

INSTALLATION

  • Sandwich panels of different sizes are delivered to the building site on trucks or semi trailer trucks.
  • Roof materials are generally lifted with the help of a crane. Packages should be spread all over the roof surface so that all their weight does not fall on only one point. The plates or sheets should be tied so they will not be blown away by the wind and if the roof is too sloped then measures should taken so that the sheets do not slip. 
  • All accessories (flat ridges, eaves, purlins, eaves troughs) that will stay under the roof panels must be installed before mounting the panels. 
  • Installation workers are required to wear hand gloves as cutting precaution. 
  • Footwear with soft rubber soles in order to avoid eventual panels’ surface scratching/damaging is also obligatory for installation workers. 
  • If cutting the panels is necessary, a saw or fretsaw must be used. The surface of the saw must be cold in order to avoid damaging the panels’ surface. 
  • Painted surfaces must be protected during welding or cutting.
  • All metal waste from cuttings must be disposed of otherwise this waste material will cause corrosion in a few months time.
  • Wearing shoes with soft rubber soles and walking on planks on the roof is obligatory for installation workers in order to avoid eventual sheet or panels’ surface scratching/damaging. 
  • The number of screws is determined by wind force and by other characteristics. At least 3 screws per square meter must be used on roof panels and 1.5 per square meter on wall panels.