This article is about MGB Master Ground Bus knowledge and material receiving checking notes for telecommunication inspectors in oil and gas plants of aramco or other industries. Here also explain details of SAIC-T-5113.
The Importance of Master Ground Bus Bar (MGB) in DC System
The Master Ground Bus Bar (MGB) is a critical component of DC systems and plays an important role in ensuring the safety and efficiency of the system. The MGB provides a secure connection between the electrical components and the grounding system, allowing for safe and reliable operation. This article will discuss the importance of the MGB and the materials that must be received in order to ensure a safe and efficient DC system.
What is Master Ground Bus Bar (MGB)?
A Master Ground Bus Bar (MGB) is an insulated metal bar used to provide a secure connection between the electrical components and the grounding system. The MGB is designed to provide the highest level of safety and efficiency for DC systems. It is usually made from copper and is typically 6 mm x 102 mm x 500 mm in size. It is usually furnished with two pre-made holes for grounding connections, allowing for easy installation and maintenance.
MGB Material Receiving of DC System (QC Material Checking)
When receiving materials for a DC system, it is important to check that they are new and unused, and that they match the purchase order and are labeled with part numbers and product descriptions. It is also important to verify that the MGB is made of copper and meets the minimum size requirements. Additionally, the required size and number of insulated standoffs accessories for mounting the MGB should be included with the material list.
It is also important to ensure that the received materials have been inspected for damages and for compliance to applicable requirements. Secure storage areas should be provided to prevent damage or deterioration of the received materials. Additionally, an equipment and materials identification procedure should be implemented for the received items to ensure that they are traceable from the manufacturer and supplier through delivery, storage, fabrication, erection, installation, repair, modification and use.
Conclusion
The Master Ground Bus Bar (MGB) is an important component of any DC system and is essential to ensuring the safety and efficiency of the system. It is important to receive the correct material for the MGB and to ensure that it is properly inspected and stored. Additionally, an equipment and materials identification procedure should be implemented to ensure that the materials are traceable from the manufacturer and supplier. By following these steps, DC systems can be safely and efficiently operated.
REFERENCE DOCUMENTS
- Schedule G – Material, Tools and Equipment (Pro Forma MP-IK-LS Contract)
- Schedule Q – Quality Requirements (Pro Forma Contract)
- SAES-T-795 Communications Facility Grounding Systems