ELECTRICAL

ESTIMATION,INSTALLATION,TESTING &COMMISSIONING

Introduction

1. Introduction to construction project management

  • Construction Industry
  • Construction Project
  • Owner(client)
  • Consultant
  • Main/Prime Contractor
  • Subcontractor
  • Construction Services
  • Competitive Bidding
  • Negotiated Contracts
  • Time and Cost Management
  • Planning Scheduling
  • Management of Field Construction

2. Introduction to organization structure of a Company-Roles& Responsibilities

3. Introduction to project initiation documents

  • Specifications
  • Tender Drawings(or)IFC (Issued for construction drawings)
  • BOQ(Bill of quantity)
  • The project Schedule
Site Activities

Installation work flow

  1. Basics& fundamentals
  2. Tools& consumables
  3. Detailed study of shop drawings
  • Legends symbols and Abbreviations
  • Observations(or) Engineers comments
  • Revision number & Status of drawings
  • Co-ordination(or)Reference drawings
  1. Planning schedule& co-ordination with other departments for clearances
  2. Store & material management
  • Material Requisition(MR)
  • Material Indent
  • Proper handling, storage, use & disposal of material as per the specifications& manufacturer’s recommendations
  1. Labor management
  2. Simultaneously follow of various departments like design, purchasing, technical, QS & QA/QC
  3. Supervising, planning, monitoring site activities and resources on day to day basis
  4. Daily/weekly construction progress& work plan meetings
  5. Quality and safety standards
  6. Installation of electrical components & Equipments.
  7. Tendering/ Estimation
  • Detailed study of specification& tender drawings
  • Prepare& maintain data base of unit rates of items useful for bidding
  • BOQ(Bill of Quantity)
  • Quantity take off, sending enquiry to suppliers to get quotations& final bidding
  • Negotiate the final offer with client
Procurement
  • Sending enquiry, negotiating the quotation values with the supplier
  • Preparing quotation evaluation sheets
  • Finalizing the supplier and Issuing the purchase orders
  • Follow-up with the supplier for the delivery of material as per the agreed schedule
QS
  • Details study of tender, IFC, Shop drawings& as built drawings
  • Actually quantity take off from site& as-built drawings
  • Variations and work orders
  • Monthly billings and final BOQ
QC
  • Introduction to quality control as per specifications& standards
  • MIR,RFI
  • Material submittals, delivery notes, PO(purchase order)
  • Method statements (Installation& Testing procedures)
  • Inspection of all materials, equipment’s, site construction activities, testing & commissioning the systems as per applicable standards
  • Proper Documentation
  • Problems during commissioning& its trouble shooting
Handing over of the project
  • Red line and As-built drawings submission
  • Commissioning reports & third party test certificates
  • Operation& maintenance manuals
  • Closing the Snag list(or)punch list
  • Project Completion Certificate

DESIGNING & DRAFTING

Introduction
  • Introduction & Scope of Electrical designing & drafting.
  • Introduction to MEP and other services used in Buildings.
  • Fundamental theories of Electrical.
  • Types & Sources of electricity.
  • Generation, Transmission & distribution of electricity.
  • Legends symbols and Abbreviations.
  • Basic Electrical Terms, Definitions & Units.
  • Important formulas.
  • Codes and Standards : BS, NEC, BIS, IEEE, NEMA, NFPA, IEC etc
Wires, Cables, Circuits & Wiring Accessories
  • Wires & Cables (Types and Applications), Conductors, Armoured Cables, Sheathing, Insulations , Selection of Cables
  • Switches & Sockets ( Types and Applications )
  • Spur, Fused Connection Units etc.
  • Mounting Boxes
  • Isolators, Disconnect Switches & Distribution Boards (DB) 
  • Standard Mounting Heights of Accessories
  • One Way, Two Way & Intermediate Switch Wirings, Radial & Ring Circuits.
  • Lighting & Power Wiring Diagrams.
Cable Management, Lighting & Earthing
  • Electrical Conduit Layout, Cable Trunking, Cable Tray, Electrical Ladder, busduct & busbar trunking Systems.
  • Direct laying of underground cables, Duct Banks & Cable Trenches.
  • Lighting Fixtures ( Types & Applications )
  • Lighting Design- Illumination (Lux) Levels
  • Emergency & Exit Lighting System
  • Earthing System ( Types, Methods & Installation )
  • Lightning Protection System
Major electrical loads & equipments
  • Lighting load – Internal & external
  • Utility power load
  • HVAC loads like Chillers, AHUs, FCUs, CRAC units, Pumps and Fans etc.
  • Plumbing and firefighting loads like Submersible pumps, Circulating pumps, Booster pumps, Fire Fighting main pumps, Jockey pumps etc.
  • Elevator & escalator loads
  • Computer & data centre (Server) loads.
Electrical Design Calculations
  • Branch & Main Feeder Cable Sizing, Selection & Calculation
  • Lighting Illumination Calculations
  • Cable Tray Sizing
  • Circuit Breaker Sizing, Selection & Calculation
  • RCD/ ELCB Sizing & Selection
  • Earthing Cable Sizing & Selection
  • Total Connected Load (TCL) & Peak Demand Calculation based on Diversity Factors
  • Load Distribution Schedules & Load Balancing– Final DB, SMDB, MCC, MDB
  • Transformer Sizing Calculations & selection based on load and losses.
  • Standby Generator Sizing Calculations
  • Capacitor Bank Calculations
  • UPS sizing Calculations
  • Voltage Drop Calculations
  • Short Circuit Calculations
Low Current / ELV systems
  • Fire Alarm & Detection System
  • Closed Circuit Television System (CCTV)
  • Access Control System
  • Public Address System (PAS)
  • Satellite and Master Antenna Television System (SMATV)
  • Communication Systems – Telephone, Data cabling
Electrical Software
  • DIALux – Lighting Design Software.
Electrical Drafting
  • Basic AutoCAD Commands
  • Symbols and Legends
  • Preparation of Lighting Layouts
  • Preparation of Power Layouts
  • Preparation of Single Line Diagrams (SLD) or Power Schematic Riser Diagrams.
  • Preparation of Cable Tray/ Cable Routing Layouts
  • CCTV layout
  • Preparation of Electrical General Installation Details & Sections