Page 86 - Industrial Plant 2020
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Figure 2 -                                                   •   Supply  of sandwich  panels, corrugated
          Construction site of                                            sheets, eaves, flashing lights, rainfields, doors
          the gas storage plant                                           and gates;
          “Corneglino Laudense
          Natural Gas”                                                 •   Supply of settling tanks, clarification, rain
                                                                          water,  process  water  treatment  plant  and
                                                                          accessories.

                                                                         Between 2017 and 2018 Monsud
                                                                       S.p.A has carried out the engineering,
                                                                       supply, inspection, testing, packaging
                                                                         and transport of steel structures,
                                                                           including the various surface
                                                                         treatments, as a subcontractor to
                                                                          Saipem S.p.A. , the EPC general
                                                                        contractor responsible for the entire
                                                                          plant’s project, from design and
                                                                        engineering to supply, construction
                                                                                and commissioning


                                                                       Monsud S.p.A. has made use of an internal team
                                                                       of structural technicians and mechanical designers
                                                                       of proven experience to carry out the complementary
                             S.p.A. (EPC), which has taken care of the   engineering and executive design activities.
                             management of  the  entire plant’s project, from   Sophisticated and dedicated softwares were used.
                             design and engineering to supply, construction and   The software Tekla Structures version RELEASE 21
                             commissioning of the plants.              was used for the development of complex
                             Here following a detailed list of activities carried out   structures, allowing the modeling of steel structures
                             by  Monsud  S.p.A.  in  relation  to  the  project   and the creation of shop drawings starting from the
                             “Cornegliano Laudense Natural Gas”:       3D MODEL (Figure 3).
                             •   Detailed executive design, i.e., structural
                                 design of pipe-racks, piping and mechanical   The works supplied by Monsud S.p.A. mainly
                                 components, workshop and assembly     concerned the following structures:
                                 drawings;                             •   Pipe racks: about 998 tonnes;
          Figure 3 - Structures   •   Supply of metal carpentry for Pipe Racks,   •   Process structures: about 200 tonnes;
          modeled with Tekla     Process structures, Shelters, Gangways;  •   Shelters (sheds): about 550 tonnes;
          Structures software
                             •   Provision of stairs, parapets;        •   Gangways and secondary structures: about
                                                                          100 tonnes.

                                                                       The structures were built according to the EXC3
                                                                       execution class, in accordance with EN 1090, and
                                                                       the steel used is quality S275JR, according to EN
                                                                       10025. All the structures were prefabricated at the
                                                                       Monsud factory in Tufo (AV).
                                                                       The sequence of working of steel structures was as
                                                                       follows:
                                                                       •   sandblasting of beams, profiles, sheets and
                                                                          pipes carried out with OMSC blasting machine
                                                                          with 8 turbines, Turbotecnica 16 turbines;
                                                                       •   cutting, drilling and marking operations carried
                                                                          out with GEMINI/FICEP automatic lines with
                                                                          numerical control for L-beams and profiles;
                                                                       •   cutting, drilling and pre-processing of the
                                                                          plates and handkerchiefs for the composition
                                                                          of the knots performed with automatic thermal
                                                                          cut (plasma /oxy-cut) ESAB table 3000 x
                                                                          1600 with numerical control assisted by

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