Outdoor Substation Design & Engineering services :
We provide the following Design and Drawings services for EHV Substations (Outdoor AIS) :
1. Site visit & data collection, Topographical contour survey by DGPS / Total station.
2. Geotechnical investigation to determine Soil bearing capacity, Soil resistivity and CBR value
3. Electrical Key SLD,
4. Protections & metering SLD
5. Controls, Interlocking, Alarm & Indications schematics
6. Survey drawings, Topographical contour layout
7. Overall site layout plan
8. Switchyard layout plan & elevation.
9. Indoor and outdoor Cable trench layout, trench sectional details and cable tray BOM 9. Earthing calculation, layout, BOM and earthing details.
10. DSLP calculation and layout drawing.
11. Control schematics and terminal plans of Bay marshalling kiosks.
12. Cable schedule and interconnection diagram for LV Power and control cables
13. Technical specification of all EHV, HV, LV equipment and materials
14. Lighting calculations by Dialux software, SLD, layout and BOM
15. Bill of materials for cables and cabling accessories like cable glands and lugs
16. Short circuit force calculation for strung bus and rigid tubular bus
17. Fault level calculation by ETAP
18. CT & VT sizing calculations
19. Battery and battery charger sizing calculations
20. Vendor drawing review and approval
21. Civil drawings and calculations for gantry tower & equipment support foundations, cable trenches, culverts, drains, Control bldg., DG room, Store shed, Security room, Switchyard panel room (AC Kiosk), Pump house, Fire water reservoir, Staff quarters, GS structure drawings for gantry towers, beams and equipment supports.
22. SCADA architecture diagram, Input-Output list, BOM, Cable schedule
23. PLCC / F.O communication Block Architecture diagram, Input-Output list, BOM, Cable schedule
24. Schematic diagrams, specifications and BOM for Fire detection and alarm system
25. Drawings for approval of Electrical inspectorate.
