1. Since the Switchgear BUS is considered as a single ended bus, only one spare and one space feeder breakers are needed and this set up complies with Saudi Aramco Material System Specification (SAMSS) requirements and IFB drawing electrical one line diagram.
2. Only tie breaker will be considered additional to comply with Consulting Services Division (CSD) comment.
3. IC/SCEC has to revised the drawing and must show the following quantities
* 3 -1200 Amp Breakers
* 3- 600 Amp Breakers
* 1- Space
