TECHNICAL STANDARDS
Standard number and name
• SHL-CIV-112 Minor Concrete Works
• SHL-CIV-164 Design Requirements for Civil Works
• SHL-ELE-102: Protection Design
• SHL-ELE-103: Pipeline Protection Design
• SHL-ELE-128 Earthing
• SHL-ELE-132 – HV Switchboard Standard
• SHL-ELE-134 – DC and Essential AC Design Philosophy
• SHL-ELE-136 Guidelines for programming SEL RTACs
• SHL-ELE-139 Connection of Portable 3-Phase Generators
• SHL-ELE-143 Guidelines for coding PLCs
• SHL-ELE-144 HMI Software Design Specification
• SHL-ELE-156 Annexure A – Switchrooms• Annexure B – LV Switchboards
• SHL-ELE-156 Annexure C – Electrical Cubicles & Junction Boxes
• SHL-ELE-156 Annexure D – LV Cables & Cable Management Systems
• SHL-ELE-156 Annexure E – General Hardware Requirements• Annexure F – LV Motors
• SHL-ELE-156 Annexure G – Control Systems
• SHL-ELE-156 Annexure H – Instrumentation & Transducers
• SHL-ELE-156 Annexure I – Current & Voltage Transformers
• SHL-ELE-156 Annexure J – DC Battery Supplies
• SHL-ELE-156 Annexure K – LV Earthing
• SHL-ELE-156 Annexure L – Uninterruptable Power Supplies
• SHL-ELE-156 Annexure M – Lighting & Power
• SHL-ELE-156 Annexure O – Asset Identification Requirements
• SHL-ELE-156 Annexure Q – Preferred Suppliers
• SHL-ELE-156 General LV Electrical Requirements
• SHL-ELE-157 Guidelines for Writing Technical Specifications for Hydro Generator Rotor Pole Rewind
• SHL-ELE-405 Operational Display Standard
• SHL-ELE-520 Transformer Oil Supervision and Maintenance
• SHL-ELE-521 Transformer Oil Filling
• SHL-ELE-522 Transformer Oil Topping Up Only
• SHL-GEN-001 Computer Security Standard
• SHL-GEN-119 CAD Standards and Exchange of Electronic Drawings
• SHL-GEN-121 Labelling of Valves and Devices
• SHL-GEN-123 Protective Coatings
• SHL-GEN-131 High Voltage Danger Sign Requirements
• SHL-GEN-133 Substation and Switchyard Fencing Standard
• SHL-MEC-102 Welding Standard
• SHL-MEC-103 Piping and Fittings
• SHL-MEC-104 Valves
• SHL-MEC-115 Threaded Fasteners
• SHL-MEC-116 Flexible Hose Management
• SHL-MEC-117: Pressure Relief Valve Bench Testing
• SHL-MEC-118: Hydraulic and Lubricating Oil Tests and Limits
• SHL-MEC-119 Oil Hydraulic Systems and Components
• SHL-MEC-125 Fire Protection Systems Technical Standard
• SHL-MEC-137 O-Rings
• SHL-MEC-138 Embedded Pipework Refurbishment
• SHL-MEC-165 – NDE of In-service Components Technical Standard
• SHL-MEC-166 Greasing Quantity for Bearing Components