Electrical Building Services
Course Content as given below:
Electrical Design manual for commercial & residential projects Upto 33KV voltage level
1. General : Fundamentals of electricals
· Types of electricity
· Source of electricity
· Generation, Transmission & distribution of electricity
· Ohms law
· Symbols
· Definitations, Terms & terminologies
· Important formulas
2. Codes & Standards to be followed
· Indian electricity rules
· National electrical code of India (NEC)
· National building code of India (NBC)
· Applicable standards issued by Bureau of Indian standards (BIS)
· Institute of Electrical & Electronics Engineers (IEEE)
· Regulations of local fire authorities.
· Requirements stipulated by Pollution control Board for Noise, Air &
· Water Pollution
3. Electrical equipments and it’s application used in the installation
· Control devices
· Measuring devices
· Circuit protection devices
· Transformers
· Diesel generators
· Capacitors
· Bus ducts, Busbars, Cables (HT/LT) & wires
· Motors & Pumps
· Luminaries – General & Emergency
· Isolators & socket outlets
· UPS/Inverter& Battery banks
· Earthing or Grounding
· Lightning arrestor
· Building Management Systems(BMS)
4. Means of electrical distribution for installation
· Panels(HT/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 Chillers, AHU’s, FCU’s, Pumps, 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
· Lighting calculation
· UPS/Inverter sizing calculation
· Battery sizing calculation
7. Various design stages & Sequence of electrical design procedure
Concept design stage:
· Understanding the building plans, elevations & sections
· Gathering specific data from the utilities(Electricity board)
· Understanding clients specific requirements
· Assessment of the type of installation like outdoor/indoor substation(Point of supply)
· Preparation of basis of design which should include the cost estimate.
Schematic design stage:
· 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 equipment layouts like Substation, plant rooms.
· Preparation of lighting, small power, earthing & miscellaneous layouts
· Preparation of technical specification
Detailed design stage:
· Preparation of detail layouts including sectional details wherever required
· Coordination with other services like HVAC,PHE & FF layouts
· Preparation of bill of quantities(BOQ)
· Issue for tender
Construction design stage:
(Generally this stage is performed by electrical Contractors)
· Preparation of shop drawings based on the tender drawings issued by
Electrical consultants for installation.
· After installation the entire installation shall be tested & commissioned with the respective authorities.
· As built drawings shall be prepared and handed over to client’s representative.
Two Live Project Works
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