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                        MANUFACTURING SPECIFICATIONS      

                  ALL RIVITSWADE LTD PRODUCTS ARE PRODUCED TO      STRICTLY CONTROLLED PROCEDURES APPROVED TO ISO 9001 : 2002

                                   DUCTILE IRON

                              PIPE TO BS EN 545 / 598                                                      FITTINGS TO BS EN 545/598                                                                    FLANGES TO BS 4504                                                             WELDING APPROVAL TO BS 4879 pt1                                     


                              STEEL FABRICATIONS                                          

                             FABRICATION TO BS 534                                                                       PIPE TO BS 3601 API 5L                                                                        FLANGES TO BS4504                                                         WELDING APPROVAL TO BS EN 288 pt1                                                          WELDER APPROVAL TO BS EN 287 pt3


ALL FABRICATED ITEMS MANUFACTURED BY RIVITSWADE SUBJECTED TO HYDROSTACTIC PRESSURE TESTING TO THE RELEVANT TEST PRESSURES