Electrical Design

ELECTRICAL DESIGN & DRAFTING COURSE

1.         GENERAL

2.         CODES & STANDARDS TO BE FOLLOWED

•           Indian electricity Standards

•           National electrical code of India (NEC)

•           National building code of India (NBC)

•           Applicable standards issued by Bureau of Indian standards (BIS)

•           Regulations of local fire authorities

•           Requirements stipulated by Pollution control Board for Noise & Air

3.         ELECTRICAL EQUIPMENT’S & ITS APPLICATION IN INSTALLATION

•           Electronic Devices

•           Transformers

•           Diesel generators

•           Capacitors

•           Bus ducts, Bus-bars, Cables (HT/LT) & wires

•           Motors & Pumps

•           Luminaries – General & Emergency

•           Isolators & socket outlets

•           UPS/Inverter & Battery banks

•           Earthing or Grounding

•           Lightning arrestor

4.         MEANS OF ELECTRICAL DISTRIBUTION FOR INSTALLATION

•           Panels (LT)/Switch Board/Motor control centers (MCC’s)/Final Distribution boards (DB’s)

•           Cable trays, trunking or raceways, conduits & underground Pipes (Concrete/PVC)

5.         MAJOR ELECTRICAL LOADS USED IN THE INSTALLATION

•           Lighting load – Internal & external

•           Utility power load

•           HVAC loads like FCU’s, Fans etc

•           PHE & FF loads like Water transfer pumps, Booster pumps, Fire Fighting pumps, Jockey pumps etc

•           Lifts (Elevator) load

•           Computer & data centre (Server) loads for office building

6.         ELECTRICAL DESIGN CALCULATIONS

•           Load & maximum demand calculation

•           Transformer sizing calculation

•           DG sizing calculation

•           Short circuit calculation

•           Voltage drop calculation

•           Capacitor sizing calculation

•           Cable sizing calculation

•           Earthing calculation

•           Lightning calculation

•           UPS/Inverter sizing calculation

•           Battery sizing calculation

7.         DESIGN SEQUENCES & STANDARDS

•           Understanding the building plans, elevations & sections

•           Gathering specific data from the utilities(Electricity board)

•           Understanding clients specific requirements

•           Preparation of basis of design which should include the cost estimate.

Schematic design

•           Preparation of Load calculation to arrive maximum peak demand

•           Sizing of all Equipments, cables, cable trays

•           Electrical design calculations

•           Preparation of single line schematic of electrical distribution system with metering options

•           Preparation of lighting, small power, earthing & miscellaneous layouts

•           Preparation of technical specification

Detailed design

•           Preparation of detail layouts including sectional details wherever required

•           Coordination with other services like HVAC,PHE & FF layouts

•           Preparation of bill of quantities(BOQ)

•           Preparation of shop drawings based on the tender drawings will be issued