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ELECTRICAL SYSTEM
DESIGN OF GARDEN
PROJECT AT BELHAVEN,
KOWDIAR
Presented by:
Nithya Susan Varghese
Guided by:
Prof M.K. G...
Overview
Introduction
Proposed project
Connected Load
Calculation of Connected Load
Design of Distribution Board
Cur...
Electrical System Design
• Electrical system design is the design of electrical systems.
• Simple systems can be created b...
Electrical System Design For
High Rise Buildings
• High – rise buildings are buildings having 5 floors and above, or
havin...
Design Concept
• For all building construction the owner must first have a
concept for the new design, and then the archit...
HIGH RISE BUILDING POWER SUPPLY
REQUIREMENTS:
1. General Lighting & Power
 light for general illumination, seeing tasks, ...
6. Automatic Doors
 entrance and exit for pedestrians
 garage and freight
7. Central Computer System
 CPU and periphera...
Proposed Project
• The proposed building “Garden Project” at Belhaven
Road, Kowdiar is a 10 storeyed building. It includes...
Site Plan
9
Section
10
Cellar
11
Ground
12
First Floor
13
Second Floor
14
Third Floor
15
Fourth Floor
16
Fifth Floor
17
Terrace Floor
18
Mezzanine
19
Machine Room
20
Connected Load
 DEFINITION :The sum of the continuous power
ratings of all load-consuming apparatus connected
to an elect...
Description Area of the residential building (sq-m)
35 45 55 85 140
Light points 7 8 10 12 17
Ceiling fan 2-2 3-2 4-3 5-4 ...
Units of Electrical Energy Consumed
by common Domestic
Appliances/Equipment
ELECTRICAL APPLIANCES WATTAGE RATING
Incandesc...
ELECTRICAL APPLIANCES WATTAGE RATING
Washing Machine 325W
Television 60-120W
Computer 120-600W
Radio 15W
Stereo System 50W...
Fifth floor
25
Electrical Notations
26
Calculation of Connected Load
(Fifth Floor)
Sl
No
Room Space FL
Tube
4 feet
(40W)
CFL
light
(15W)
6A
socket
(60W)
16A
sock...
Distribution Board
• Total No: of light points= 66
(No. of light points= light+fan+6A socket+exhaust
fan)
• No: of light c...
Calculation of Connected Load
(Third Floor)
Sl
No
Room Space FL
Tube
4 feet
(40W)
CFL
light
(15W)
6A
socket
(60W)
16A
sock...
Calculation of Connected Load
(Fourth Floor)
Sl
N
o
Room Space FL
Tube
4 feet
(40W)
Bell
(60W)
CFL
light
(15W
)
6A
socket
...
Sl
N
o
Room Space FL
Tube
4 feet
(40W)
Bell
(60W)
CFL
light
(15W)
6A
socket
(60W)
16A
socket
(500W)
25A
Socket
(2500
W)
Ex...
Calculation Of Common
Connected Load
Sl.no Room Space FL light 4 ft
(40W)
CFL light
(15W)
Total connected
load
1 Parking (...
Current Status
• Connected Load of all floors (except commercial) has been calculated.
• Distribution Board of one apartme...
References
• Electrical Systems Design by M.K. Giridharan
• Electrical design estimating and costing by K.B
Raina and S.K ...
35
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Electrical system design of garden project at belhaven (10 Storey High Rise Building)

High Rise Buildings require advanced System Design. Electrical System Design was done for a 10 storey building in Trivandrum. It included 2 floors for parking, 2 floors for Commercial purpose, 2 floors for Owner's Penthouse, and the remaining as residential apartments.

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Electrical system design of garden project at belhaven (10 Storey High Rise Building)

  1. 1. ELECTRICAL SYSTEM DESIGN OF GARDEN PROJECT AT BELHAVEN, KOWDIAR Presented by: Nithya Susan Varghese Guided by: Prof M.K. Giridharan
  2. 2. Overview Introduction Proposed project Connected Load Calculation of Connected Load Design of Distribution Board Current Status and Work to be completed. 2
  3. 3. Electrical System Design • Electrical system design is the design of electrical systems. • Simple systems can be created by one person. Large systems require large teams of people, simulation software and many paper and electronic records. • The design should assure proper functioning of the installation. • The design should provide safety. 3
  4. 4. Electrical System Design For High Rise Buildings • High – rise buildings are buildings having 5 floors and above, or having a height of 15m and above. • They normally refer to occupancy for:  General offices  Commercial establishments  Hotels /Condominiums 4
  5. 5. Design Concept • For all building construction the owner must first have a concept for the new design, and then the architect or designer can produce a set of building plans. • An electrical design goes through several important stages or development. • Every electrical design has unique requirements, depending upon the scope of the project. The project scope is determined by the customers’ requirements and the type of structure. 5
  6. 6. HIGH RISE BUILDING POWER SUPPLY REQUIREMENTS: 1. General Lighting & Power  light for general illumination, seeing tasks, decorative features, hallways and stairways, others  power for appliances and office machines 2. Heating, Ventilation & Air-conditioning (HVAC) System  air-conditioning for temperature control  blowers and fans ventilation  heaters for humidity control 3. Transport System  elevators and escalators  conveyors, dumbwaiters, others 4. Water Pumps  potable and non-potable water supply  water sprinkle (fire suppression)  pumps / drainage  sewage ejectors 5. Communication System  PABX telephone system  Intercom 6
  7. 7. 6. Automatic Doors  entrance and exit for pedestrians  garage and freight 7. Central Computer System  CPU and peripherals  Terminals 8. Auxiliaries  intrusion and hold-up control system  fire fighting & alarm system  background music and paging  sound reinforcement and video facilities  noise masking and acoustics, others 7
  8. 8. Proposed Project • The proposed building “Garden Project” at Belhaven Road, Kowdiar is a 10 storeyed building. It includes a cellar for parking purpose, and 10 floors of which 2 floors are for commercial purpose, 1 for parking and the remaining for residential purpose. It has a total plinth area of 4948.34 sq. m. 8
  9. 9. Site Plan 9
  10. 10. Section 10
  11. 11. Cellar 11
  12. 12. Ground 12
  13. 13. First Floor 13
  14. 14. Second Floor 14
  15. 15. Third Floor 15
  16. 16. Fourth Floor 16
  17. 17. Fifth Floor 17
  18. 18. Terrace Floor 18
  19. 19. Mezzanine 19
  20. 20. Machine Room 20
  21. 21. Connected Load  DEFINITION :The sum of the continuous power ratings of all load-consuming apparatus connected to an electric power distribution system or any part thereof.  Connected load for electricity is the maximum amount of wattage that is allocated to a building.  Calculation of Connected Load is done by engineers from the utility from which the connection is taken. 21
  22. 22. Description Area of the residential building (sq-m) 35 45 55 85 140 Light points 7 8 10 12 17 Ceiling fan 2-2 3-2 4-3 5-4 7-5 6A sockets 2 3 4 5 7 16A sockets - 1 2 3 4 Call Bell - - 1 1 1 Description Socket Outlets 6A 16A Bed rooms 2-3 1 Living rooms 2-3 2 Kitchen 1 2 Dining room 2 1 Garage 1 1 For Refrigerator - 1 For Air Conditioner - 1 Verandah 1 for every 10 sq m - Bathrooms 1 1 22 Min no. of socket outlets Min no. of points to be provided on the basis of plinth area
  23. 23. Units of Electrical Energy Consumed by common Domestic Appliances/Equipment ELECTRICAL APPLIANCES WATTAGE RATING Incandescent Bulb 25W,60W,100W Fluorescent Tube light (4feet) 40W Fan 60W Air Conditioner (1-1.5 ton) 1500-2500W Refrigerator 100W Mixer/Blender/Juicer 450W Toaster 800W Oven 450-700W Electric kettle 1000/2000W Iron 450/700W Geyser(1.5-2 litre) 3000W Vacuum Cleaner 700-750W 23
  24. 24. ELECTRICAL APPLIANCES WATTAGE RATING Washing Machine 325W Television 60-120W Computer 120-600W Radio 15W Stereo System 50W CFL 15W 24
  25. 25. Fifth floor 25
  26. 26. Electrical Notations 26
  27. 27. Calculation of Connected Load (Fifth Floor) Sl No Room Space FL Tube 4 feet (40W) CFL light (15W) 6A socket (60W) 16A socket (500W ) 25A Socket (2500 W) Exhaust Fan (60W) Ceiling Fan (60W) Chandelier (200W) Total CL of room space 1 Living Room + Balcony 2 4 1 2 2 1 1520 2 Dining Room +Balcony 1 4 2 2 2 1340 3 a Bedroom 1 + Balcony 1 4 3 2 1 1 3840 b Dressing Room 1 2 1 90 c Toilet 1 2 1 1 590 4a Bedroom 2 1 4 3 2 1 1 3840 b Toilet 2 2 1 1 590 5a Bedroom 3 1 3 3 2 1 1 3825 b Toilet 3 2 1 1 590 6a Kitchen+ Work Area 1 3 2 3 1 1 1825 b Toilet 1 1 75 7 Foyer 2 30 TOTAL=18155W 27
  28. 28. Distribution Board • Total No: of light points= 66 (No. of light points= light+fan+6A socket+exhaust fan) • No: of light circuits= 66/8 = 8.25 ~9 • Total No: of power points = 19 • No: of power circuits = 19/2 = 9.5~ 10 • Total No: of sub-circuits = 10+9 = 19 • Therefore we choose 8 way 3 phase DB which has 24 (i.e. 3x8) sub-circuits. 28
  29. 29. Calculation of Connected Load (Third Floor) Sl No Room Space FL Tube 4 feet (40W) CFL light (15W) 6A socket (60W) 16A socket (500W) 25A Socket (2500 W) Exhaust Fan (60W) Ceiling Fan (60W) Chandelier (200W) Total CL of room space 1 Living Room+ Balcony 1 10 3 1 1 2 1 3690 2 Toilet 4 3 1 168 3 Hall 1 4 6 1 1 2 1 3920 4 Family Living+Dining 1 7 3 1 1 2 3445 5 Foyer 4 60 6 Kitchen 2 2 5 3 1 1 1 4530 7 Work Area 1 2 2 1 1 750 8 Store 1 1 55 9 Serva t’s Roo 1 2 1 195 10 Serva t’s Toilet 1 1 75 11a Bedroom +Balcony 1 5 2 5 1 1 5295 b Dressing Room 1 1 75 c Toilet 2 1 1 1 650 TOTAL=22908W29
  30. 30. Calculation of Connected Load (Fourth Floor) Sl N o Room Space FL Tube 4 feet (40W) Bell (60W) CFL light (15W ) 6A socket (60W) 16A socket (500W ) 25A Socket (2500 W) Exhaust Fan (60W) Ceiling Fan (60W) Chandelier (200W) Total CL of room space 1 Family Living Room 3 1 9 1 6 1 2 1 6195 2a Bedroom1 +Balcony 1 5 1 6 1 2 5795 b Dressing Room 1 15 c Toilet 2 2 1 1090 3a Bedroom 2 1 1 6 1 2 5720 b Dressing Room 2 30 c Bathroom 2 2 1 1090 4a Bedroom 3 1 7 1 3 1 2 4325 b Dressing 3 45 c Toilet 3 2 1 1105 5a Bedroom 4 1 3 1 8 1 2 6765 b Dressing Room 2 30 c Toilet 2 2 1 1090 30
  31. 31. Sl N o Room Space FL Tube 4 feet (40W) Bell (60W) CFL light (15W) 6A socket (60W) 16A socket (500W) 25A Socket (2500 W) Exhaust Fan (60W) Ceiling Fan (60W) Chandelier (200W) Total CL of room space 6 Yoga Room 2 4 2 2 1260 7 Internal stairs 1 15 8 Lift(10) 10000 TOTAL=34555W 31
  32. 32. Calculation Of Common Connected Load Sl.no Room Space FL light 4 ft (40W) CFL light (15W) Total connected load 1 Parking (Second floor) 55 825 2 Lobby 24(6 floors) 360 3 Stairway 12(7 floors) 480 4 Terrace floor 12 180 5 Mezzanine 6 90 6 Machine room 4 60 7 Lift(10) 10000 8 Stretcher lift(18) 15000 8 External lights 20 300 9 Water lifting pump 5000 32
  33. 33. Current Status • Connected Load of all floors (except commercial) has been calculated. • Distribution Board of one apartment has been decided. • Supplementary drawings were completed. Work to be Completed DB of commercial floors and Common CL, Cabling, Metering Panel Design, Transformer Design, Emergency Power Supply, Earthing and extensive electrical drawings have to be completed. 33
  34. 34. References • Electrical Systems Design by M.K. Giridharan • Electrical design estimating and costing by K.B Raina and S.K Bhattacharya • National Electric Code, Bureau of Indian Standards publications, 1986. 34
  35. 35. 35

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