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Electricals

Electricals

1. GENERAL DOCUMENTS

Project Description & Scope of Work
EDB Preparation
Load List Finalization

2. SINGLE LINE DIAGRAM

Key Single Line Diagram

3. CALCULATION

Power Transformer Sizing Calculation
DG Sizing
Short Circuit Calculation
Circuit Breaker Calculation
Cable Sizing Calculation
Voltage Drop Calculation
Power Factor Calculation and APFC Calculation
Earthing Calculation
Load Analysis
Lighting (Fixture) System Calculation
Emergency Power Requirement
Batteries
Redundancy Configurations

4. COMPOSITE TENDER WITH SPECIFICATION

Specification of Power Transformer
Specification of DG
Specification of Electrical Panels
Specifications of APFC Panel
Specification of Switchgear LT/HT
Specifications of Busbar System
Specifications of Circuit Breakers
Specifications of Relays
Specifications of BUCHHOLZ Relays
Specifications of Current Transformers
Specifications of Potential Transformers
Specification of Lightning Arrester
Specifications of Power Cables
Specifications of Control Cables
Specification of Insulation Co-ordination
Specification of Insulators
Specifications of Earthing
Specifications of Lighting Fixtures
Specifications of UPS & Batteries

5. DATA SHEETS

Data Sheet of Power Transformer
Data Sheet of Electrical Panels
Data Sheet of APFC Panel
Data Sheet of Switchgear LT/HT
Data Sheet of Busbar System
Data Sheet of Circuit Breakers
Data Sheet of Relays
Data Sheet of BUCHHOLZ Relays
Data Sheet of Current Transformers
Data Sheet of Potential Transformers
Data Sheet of Lightning Arrester
Data Sheet of Power Cables
Data Sheet of Control Cables
Data Sheet of Insulators
Data Sheet of Earthing System Components
Data Sheet of Lighting Fixtures

6. POWER SYSTEM STUDY

Load Flow Analysis
Short Circuit Analysis
Protective Device Co-ordination
Arc Flash Study
TCC Co-ordination Study

7. BOM

Power Transformer
Electrical Panels
APFC Panels
Switchgears
Circuit Breakers
Power Cables
Control Cables
Lighting (Fixture) System along with Supports Structure
Cable Tray Along with Supports Structure
Earthing System

8. PRE & FINAL LAYOUTS

Substation Layout
Main Cable Routing Layout
Power Plan
Lighting Layout
Cable Tray Layout
Earthing Layout
Interconnection Diagram

9. SPECIAL STUDIES

ATEX – Hazardous Area Classification (Zoning & Equipment Selection)
Lightning Protection
Illumination Study
SAFOP Detailed Report as per BP Standards

10. CONTROL CIRCUIT, DATA & ANY SPECIAL PROCESS LOW VOLTAGE REQUIREMENT

Control Circuit
Data Cabling, Network, Telecom, Audio-Visual, and Critical IT Infrastructure Layout and BOM