• Engineering Consultant for Design, Engineering and Consultancy Services for Extra High Voltage Substations, Transmission Lines, Electrical Balance of Plant (EBOP) of Thermal Power Plants, Large Electrical Systems (HV/MV) of Steel plants, Coal & Iron Handling Plants & Misc. Industries, Electrical System studies using ETAP 2019.

  • Engineering Consultant for Design, Engineering and Consultancy Services for Extra High Voltage Substations, Transmission Lines, Electrical Balance of Plant (EBOP) of Thermal Power Plants, Large Electrical Systems (HV/MV) of Steel plants, Coal & Iron Handling Plants & Misc. Industries, Electrical System studies using ETAP 2019.

Jharkhand - Detail engineering for 2 x 132kV line bay extension at existing 220/132kV Ulijhari substation of JUSNL (On behalf of Udayan Heavy Electricals Pvt. Ltd.)

Scope of Work :

SL. NO. DESCRIPTION
   
A. ELECTRICAL DRAWINGS :
   
1 SLD
1.1 Key SLD
1.2 132kV Line - Protection & Metering SLD
1.3 SLD - 415V Bay Marshalling Kiosk for 132 kV Line
1.4 SLD - 415V Main ACDB
1.5 SLD - 220V DCDB
   
2 ELECTRICAL LAYOUT & ELEVATION, EKD
2.1 132kV Switchyard Layout - Plan & Elevation 
2.2 132kV Switchyard - Erection key diagram -Plan & Elevation 
2.3 Equipment and Cable trench layout of Control room extension
   
3 CABLE ROUTING, TRAY & TRENCH LAYOUT AND DETAILS
3.1 Cable Trench Layout and BOM of Cable Trays, racks for the
132kV line bay extension
   
4 EARTHING LAYOUT & DETAILS
4.1 Earthing Layout and BOM for the 132kV line bay extension
4.2 Earthing layout and BOM of Control room extension
   
5 LIGHTNING PROTECTION LAYOUT & DETAILS
5.1 Lightning  Protection Layout and BOM for the 132kV line bay extension
5.2 Lightning  Protection Layout and BOM for Control room extension
   
6 LIGHTING LAYOUT & DETAILS
6.1 Lighting Layout and BOM for the 132kV line bay extension
6.2 Lighting layout and BOM of Control room extension
   
   
7 CONTROL SCHEMATICS & BLOCK DIAGRAMS
7.1 132 kV Interlocking Logic Diagram at BMK
7.2 Block architecture for new PLCC system and interfacing with existing PLCC, EPAX
7.3 Block architecture for interfacing with existing SCADA system
7.4 132kV CT/CVT/PT JB terminal plan
   
8 CABLE SCHEDULE & INTERCONNECTION DIAGRAMS
8.1 Control Cable Schedule and Interconnection Diagram
8.2 LV Power Cable Schedule and Interconnection Diagram
8.3 Instrument cable schedule for interconnection of the line bay extension with existing SAS and Meter reading console.
   
B. ELECTRICAL DESIGN CALCULATIONS :
   
1 Earthing calculation of 132kV line bay extension
2 Lightning protection calculation for 132kV line bay extension
3 Lightning protection calculation for the control room extension
4 220V Battery sizing calculation
5 220V Battery charger sizing calculation
6 132kV CT & CVT/PT sizing calculation
7 Lighting calculation for Switchyard
8 Lighting calculation for Control room extension
9 Short circuit force calculation on ACSR conductor for steel structure design
10 Sag & tension calculation in ACSR conductor
   
C. CIVIL DRAWINGS :
   
1 Foundation Details of all Support Structure :
1.01 132kV LA
1.02 132kV CT
1.03 132kV PT
1.04 132kV CVT
1.05 132kV Isolator
1.06 132kV Tandem Isolator
1.07 132kV CB
1.08 132kV Post Insulator (1 PH.)
1.09 132kV Line Gantry Tower
1.10 132kV Bus Gantry Tower
1.11 Construction Details of Outdoor Cable Trenches
1.12 Overall foundation layout for Line Bay Extension
1.13 Civil and Architectural drawings for Control building extension
1.14 Drainage system layout and constructional details
   
D. CIVIL DESIGN CALCULATIONS :
   
1 Design Calculation for Equipment and Tower Foundations
2 Design Calculation for Cable Trenches
3 Design calculation for Control building extension
   
E. STRUCTURE DRAWINGS :
   
1 GA of Structures including BOM and Weight of each individual member for :
1.1 132kV Normal Isolator
1.2 132kV Tandem Isolator
1.3 132kV CT
1.4 132kV PT
1.5 132kV LA
1.6 132kV P.I - single phase
1.7 132kV Line Gantry Tower
1.8 132kV Line Gantry Beam
1.9 132kV CVT
1.10 132kV Bus Gantry Tower with peak 
1.11 132kV Bus Gantry Tower without peak 
1.12 132kV Bus Gantry Beam
   
F. STRUCTURE DESIGN CALCULATION :
   
1 Design Calculation for Tower & Equipment support structures

 


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