◊ Erection engineering by launching trusses, cables, hydraulic lifting  and other methods
 (precast girder erection, steel box girder erection, roof lifting, slip-forms)
  ◊ Crane and lifting equipment design, modifications, load rating and certifications, components and their supports and foundations
  
  (tower-cranes, jib-cranes, monorails, gantry cranes, floating cranes, rigging, under-crane lifting devices, hoists, spreader beams)
   
 
◊ Formwork and scaffold for residential buildings and bridge reinforced concrete cast-in-place slabs
 
◊ Erection, working  and access platforms, stairwells, temporary tower supports, gays and guyed towers
◊ Excavation retaining structures