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SATCON

ISO 9001-2015 Certified

(Design, Engineering and Consultancy Services for
EHV Substations, EBOP of Thermal Power Plants & Large Electrical Systems of Steel plants, Coal & Iron Handling Plants & Misc. Industries

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Our Completed Project within India

Lalmatia

Detail engineering services for electrical, civil & structural & Substn. automation system of 2x500MVA, 400/220/33kV ICT and 1x125MVAR, 400kV Bus reactor at Maithon, 1x500MVA 400/220kV ICT extension at Mujaffarpur and 1x160MVA 220/132kV ICT extns. at Ara S/S of PGCIL (Job awarded by Toshiba T&D)

SL. NO. DESCRIPTION
   
A. ELECTRICAL DRAWINGS :
   
1 SLD
1.1 Key SLD - 400/220/33kV Transformer bay extension and 400kV Bus reactor
1.2 Protection and metering SLD of 400/220/33kV Transformer bay extension
1.3 Protection and metering SLD of 400kV Bus reactor
1.4 Protection and metering SLD of 33kV Tertiary loading system
1.5 SLD - Extension of 415V ACDB
1.6 SLD - 415V Lighting distribution
1.7 SLD - Extension of 220V DCDB
1.8 SLD - Bay Marshalling Kiosk - 400kV 
1.9 SLD - Bay Marshalling Kiosk - 33kV 
1.10 SLD - 415V Sub ACDB at 400kV Switchyard panel room
1.11 SLD - 220V Sub DCDB at 400kV Switchyard panel room
1.12 Overall SLD of LV AC & DC distribution
   
2 ELECTRICAL LAYOUT & ELEVATION, EKD
2.1 400kV Switchyard Layout - Plan and Elevation
2.2 400kV Switchyard Layout - Elevation
2.3 220kV Switchyard Layout - Plan & Elevation
2.4 33kV Switchyard layout - Plan & Elevation
2.5 400kV Switchyard - Erection key diagram - Plan & Elevation
2.6 AL Tube cut length schedule
2.7 Electrical Equipment Layout with cable trench details - Control Building 
2.8 Electrical Equipment Layout with cable trench details - 400kV Switchyard panel room
2.9 400kV Switchyard - Clearance Diagram - Plan & Elevation
   
3 CABLE ROUTING, TRAY & TRENCH LAYOUT AND DETAILS
3.1 400/220/33kV Switchyard - Cable trench layout and sections
3.2 Cabling Notes and cable tray details
   
4 EARTHING LAYOUT & DETAILS
4.1 400/220/33kV Switchyard - Earthing layout 
4.2 Earthing layout - Control building
4.3 Earthing layout - 400kV Switchyard panel room
4.4 Earthing Notes & Details
   
5 LIGHTNING PROTECTION LAYOUT & DETAILS
5.1 400/220/33kV Switchyard DSLP layout 
   
6 ILLUMINATION AND SMALL POWER LAYOUT
6.1 400/220/33kV Switchyard - Illumination layout and SLD 
6.2 Illumination and small power layout, SLD - Switchyard roads 
6.3 Illumination and small power layout, SLD - 400KV Switchyard panel room
6.4 Lighting Notes & Details
   
7 CONTROL SCHEMATICS & BLOCK DIAGRAMS
7.1 400/220KV BMK intelocking scheme and wiring diagram
   
8 CABLE SCHEDULE & INTERCONNECTION DIAGRAMS
8.1 Control Cable schedule and Interconnection Diagrams for 400kV, 220kV & 33kV bays 
8.2 220kV switchyard - Control Cable schedule and Interconnection Diagrams 
8.3 33kV switchyard - Control Cable schedule and Interconnection Diagrams 
8.4 LV Switchgear, ACDB, DCDB, LDB, BMK - Power Cable Schedule and Interconnection Diagram
   
9 SCADA
9.1 SCADA I/O List
9.2 Schematic Block diagram for integration of new bays with existing SCADA system
   
10 BOQ
10.1 Clamps, connectors, hardwares, conductor, Al. tube bus
10.2 Earthing material
10.3 Cable trays
10.4 Lighting material
10.5 Power and control cables
10.6 Cabling material
10.7 SCADA system
   
B ELECTRICAL DESIGN CALCULATIONS
1 400/220/33kV Switchyard DSLP calculation
2 Lighting calculation - 400kV switchyard 
3 Lighting calculation - Switchyard roads
4 Lighting calculation - 400kV Switchyard panel room
5 Bus bar design calculation
6 Short circuit force calculation for Rigid tubular bus - Verification of BPI Strength and critical span calculation
7 Sag & Tension Calculation
8 PS class CT Vk sizing calculation
9 LV power cable sizing calculation
   
C STRUCTURAL DRAWINGS WITH BOM AND WEIGHT AND DESIGN CALCULATIONS :
   
C.1 400KV (Modification of standard structures) :
1 Overall structural layout of 400/220/33kV switchyard
2 Overall structural layout (elevation) of 400/220/33kV switchyard
3 GA drawing of support structure for 400kV Isolator with E/S
4 GA drawing of support structure for 400kV LA
5 GA drawing of support structure for 400kV CVT
6 GA drawing of support structure for 400kV CT
7 GA drawing of support structure for 400kV BPI
   
C.2 220KV (Modification of existing structures) :
1 GA drawing of support structure for 220kV Isolator with E/S
2 GA drawing of support structure for 220kV Isolator without E/S
3 GA drawing of support structure for 220kV LA
4 GA drawing of support structure for 220kV CVT
5 GA drawing of support structure for 220kV CT
6 GA drawing of support structure for 220kV BPI
   
C.3 STRUCTURAL DESIGN CALCULATIONS :
1 Structural design calculations - 400kV
2 Structural design calculations - 220kV
   
D CIVIL CONSTRUCTIONAL DRAWINGS AND DESIGN CALCULATIONS :
   
1 Geotechnical investigation plan drawing showing locations of bore holes, soil resistvity, CBR test locations
2 Oil water separator pit for 500MVA Transformer
3 Details of oil drain pipe for 500MVA Transformer
4 1000KVA Transformer foundation 
5 Extension of cable trench at existing control building
6 Outdoor drainage layout 
7 Fence layout, details and fence gate
8 Rail cum road
9 Overall foundation layout
   
  CIVIL DESIGN CALCULATIONS
   
1 Design calculation for oil water separator pit for 500MVA Transformer 
2 Design calculation for 1000KVA Transformer foundation
3 Design calculation for outdoor drainage system
4 Design calculation for rail cum road construction
5 BOQ of complete civil works
   
E FIRE PROTECTION SYSTEM
   
1 P&I diagram of the fire protection system
2 Extension of fire hydrant piping layout in the switchyard
3 HVW spray system for Transformer (plan, elevation, side view, isometric view and pylon support details)
4 Pylon support locations
5 Hydraulic calculation for HVW spray network for Transformer /Reactor
6 BOQ of Fire protection system
   
F AIR CONDITIONING SYSTEM
   
1 Air conditioning system layout of Switchyard panel room 
2 Design calculation for Air conditioning system of Switchyard panel room
3 BOQ of Air conditioning system
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