تقنية رفع اسقف الخزانات باستخدام الهواء Roof air rising Fepco Egypt Campany
تقنية رفع اسقف الخزانات باستخدام الهواء Roof air rising Assembling procedure of the roof and suspended deck After installation of the outer bottom plate simultaneously with the installation of the outer shell, deck plates installed on bottom plates and after checking their dimension, welding procedure initiated. After completion of the deck assembly and welding, central ring was assembled on a temporary column and by means of temporary support around the internal circumference of the shell, ring girder and all of rafters and gusset plates were erected and welded. Afterwards, roof plate’s installation commenced according to sketch plate erection and then roof plates welded to each other. At the next step, hanger clips on the rafter, girder and stiffener of deck, were installed and finally suspended deck hanger was erected (see fig.1-4). Also six nozzles were cut and then welded on roof plates on proper position Necessary accessories for air rising In order to perform air rising correct