STEEL BOX GIRDER BRIDGE COMPONENT TRACEABILITY SYSTEM USING TREE STRUCTURE DIAGRAM AT PT BUKAKA TEKNIK UTAMA

The International Organization for Standardization (ISO) through ISO 9001:2015requires every product to have traceability. In response these challenges, PT Bukaka Teknik Utama developes the Traceability System in Steel Box Girder Bridge products. built by adopting Tree Structure Diagram Concept describe production system process currently runs. start from identify raw material, cutting process, sub-assembly and assembly process. This concept is then translated into Relational Database applying Parent-Child Concept. result of this able issue a list traceability including material information, sub-contractor/employee who work on them, etc, quickly accurately. testing was carried out using black box method, where 37 items tested all functioned properly. Tests were also determine accuracy speed compared manual method. Of 10 tests out, exactly same as method with an average processing time 3 seconds, which 97.6 seconds.