What this covers
- Load schedules — connected and demand load, diversity, and the growth allowance the installation is sized for.
- Distribution design — MV and LV distribution architecture, switchboard and MCC arrangement, and essential versus non-essential segregation.
- Cable sizing and routing — current capacity, voltage drop, short circuit withstand and derating for installation conditions.
- Switchboard and MCC specification — form of separation, ratings, and the technical schedule issued to manufacturers.
- Control and protection schematics — schematic, wiring and termination drawings, and control cubicle layout.
- Small power, lighting and earthing — installation earthing, bonding and the LV distribution supporting them.
- Hazardous area considerations — equipment selection and protection concepts where classified zones apply.
What you receive
- Load schedule and distribution single-line diagram
- Cable schedule with sizing calculations
- Switchboard and MCC technical specifications
- Schematic, wiring and termination drawings and panel layouts
- Equipment datasheets and material take-off
Standards and references
Design follows IEC 60364 for low-voltage installations, IEC 61439 for switchgear assemblies, IEC 60287 and IEC 60364-5-52 for cable sizing, IEC 61936-1 above 1 kV, and IEC 60079 where hazardous areas are involved.
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