Description & Challenges

The new Ras-AL-Khair 380 kV evacuation Substation connected to RAK CCPP had been constructed to meet the growing Electric Power demand of Saline Water Conversion Corporation (SWCC) as well as to feed the Maadan industrial consumers of Ras-Al-Khair city. The Substation also provides supply to SWCC water pumping station (PS-2). The new Substation is equipped with Substation Automation System (SAS) and remotely controlled from the Power Control Center (PCC) through SCADA communication system.

During the execution phase, the client surprised us with a new requirement of providing HVAC for cable tunnels to maintain a temperature of less than 40oC inside the tunnel. DAR engineering came up with an innovative to bring down temperature to 40oC without adding any additional air condition units. Our expert team performed” Value Engineering” and provided an innovative solution meeting the requirement without any changes in the existing design. Further value engineering done by introducing trough for EHV cable routing in place of 510m 10m wide tunnel without compromising ampacity and avoiding heavy civil works and dewatering.

Scope:

Complete design and engineering services for Civil, architectural, structural, Electrical works, Protection relay coordination study, Mechanical works, including material B.O.Q. preparation, verifying / technical evaluation of vendor base and detailed design submittals, technical advisory support & preparation of final as built drawings. Also our scope involves performing Insulation coordination study to verify the switching and transient overvoltage surge.