Substation Design Engineer Al-Sharif Group & KEC LTD. CO

For Electrical Secondary Engineer.

Analyze RFQs, tender specifications, and client documents for control, protection, and automation requirements.

· Prepare preliminary overall SLDs, protection SLD, and SCADA/communication architecture diagrams.

· Estimate control & protection scope including:

· Control relay Panel counts.

· Relay types or models & quantities

· Power, control and FO cable quantity estimation as per voltage level of Substation.

· Terminal and I/O card requirements.

· Identify typical schematics and wiring philosophies based on prior standards or project experience.

· Interface with proposal, costing, and procurement teams to support technical input for BOQ and bid pricing.

· Provide relay and protection scheme selection recommendations based on voltage level, technical specification, grid codes, and cost-efficiency.

· Suggest design optimizations to reduce cost while maintaining technical compliance.

For Primary Electrical Engineer:

· Prepare primary design drawings including:

· Overall SLD and PSLD.

· Single Line diagram LVAC & DC Distribution System.

· General Overall Equipment Layout (OEL) arrangement for AIS and GIS Substation.

· ERT layout.

· Indoor and Outdoor Equipment layout plans and Sectional views.

· Equipment foundation layout.

· All type of Cable sizing and routing layout diagrams

· Earthing mat sizing calculation and layout with BOM details.

· DSLP calculation for indoor and outdoor with layout and BOM.

· Battery bank, Charger and UPS sizing calculation.

· Busbar calculations and drawings.

· Cable schedule and termination schedule with BOM of Glands and lugs.

· Short circuit force calculation and stringing chart as per IEC standard,

· CT/VT Sizing Calculation.

· Indoor, Outdoor and Road Lighting calculation and circuit diagram & layout.

· HV equipment connection and interconnection details, (EKD) erection Key diagram.

· Conduct equipment sizing and selection (circuit breakers, isolators, CTs, PTs, surge arresters, DG set, Auxiliary Transformer, NGR, etc.)

· Perform clearance studies (electrical & mechanical) as per IS/IEC/IEEE standards.

· Develop and review substation grounding (earthing) design calculation and layout.

· Support the preparation of bill of quantities (BOQ) and material specifications

· Ensure designs are compliant with relevant standards (IEC, IEEE, IS, CBIP, etc.)

· Coordinate with secondary design, civil, Structural, Architecture, BIM, Mechanical, Fire protection, Firefighting, CCTV surveillance and protection teams for interface clarity.

· Support proposal and estimation teams during bidding stages with design input

· Participate in design reviews, client meetings, and technical discussions.