The client required a big free space inside the warehouse shed, because there will be a lot big truck moving inside the building and working, so we suggest client use space frame structure as building frame. Another point is that this type structure is light, the cost is not very high like heavy structure, the shed area is so big, if we made it by heavy structure, it will cost much more, not a economic solution.
All support is made by pipe, the connection between the pipe is high strength bolt, it ensure the full support safety. Also the support part is made by special strength steel, which is safety enough for the entire building.
Purlin: galvanized squre steel, the steel get galvanized manufacture treatment will get a longer life time.
Roof sheet: use glass wool temperature insulation materials at the roof, which can against cold temperature out the building.
Sky light sheet: there is transparent sheet at every 20m, so that the light inside the building is good.
Rain gutter: gutter made by steel, in order to extend the gutter life time and prevent rust when it touched with rain water, we galvanized the steel gutter.
Downpipe: use 110mm diameter PVC pipe as rain water down channel.
Door: The workshop require a luxury looking, and electric power there is stable, so we use auto motor drive door, which looks beautiful.
Normal bolt use 25*45
Foundation bolt use M24 specification, which is the standard bolt for small workshop.