Electrical Thumbs Rules (Part-9)

 

Load in Multi-storied Building (Madhyanchal Vidyut Vitran Nigam)

Type of Load

Calculation

Diversity

Domestic  (Without Common Area)

50 watt / sq. meters

0.5

Commercial  (Without Common Area) 150 watt / sq. meters

0.75

Lift, Water Pump, Streetlight ,Campus Lighting ,Common Facilities,

Actual load shall be calculated

0.75

 

Load in Multi-storied Building (Noida Power Company Limited)

Type of Load

Calculation

Diversity

Domestic (Constructed area) 15 watt / sq. Foot

0.4

Commercial(Constructed area) 30 watt / sq. Foot

0.8

Industrial (Constructed area) 100 watt/ 1 sq. Foot

0.5

Lift, Water Pump, Streetlight ,Campus Lighting ,Common Facilities, 0.5Kw / Flat

 

Voltage Drop: 2% Voltage drop from Transformer to Consumer end.

T&D Losses: 2% T&D Losses from Transformer to Consumer end.

 

Approximate % Cost or Sq.Foot Cost

Project Item

% of Total Project Cost

Rs per Sq.Foot

Articheture (Consultancy)

0.7%

13.1 Rs / Sq.Foot

Structural (Consultancy)

1.2%

21.8 Rs / Sq.Foot

Service Design (Consultancy)

0.4%

7.2 Rs / Sq.Foot

Fire Fighting Work

1.3%

23 Rs / Sq.Foot

Electrical Work (Internal)

4.1%

76 Rs / Sq.Foot

Lift Work

4.4%

82 Rs / Sq.Foot

 

Street Light Costing (CPWD-2012)

Fluorescent Lamp

95 Rs/Sq.Meter

With HPMV Lamp

130 Rs/Sq.Meter

With HPSV Lamp

165 Rs/Sq.Meter

Electrical Sinage

85 Rs/Sq.Meter

 

Other Electrical Cost

Area Required for Solar Light

10 Watt/Sq.Foot

Solar Power Installation

1.5 Lacs Rs/1Kw

HVAC Cost

18 Watt/Sq.Foot

 

Distribution Losses (Gujarat Electricity Board)

Voltage (Point of Injection)

At 11 KV

Point of Energy Delivered

11KV / 22KV / 33KV

10%

1082%

400 Volt

-

16.77%

 

Rate Analysis (CPWD-2012)

Description

Amount
Sub Station Equipment 7000 Rs/ KVA
D.G Set with installation 1000 Rs / KVA
UPS with 30min Breakup 20000 Rs / KVA add 8000 Rs / KVA additional each 30 min
Solar Power Generation 1.25 Lacs / KW
Solar Water System (200Liter/Day) 46000 Rs
Solar Water System (300Liter/Day) 64000 Rs
Solar Water System (1000Liter/Day) 210000 Rs
Central AC Plant 75000 RS / Ton
VRF / VRV System 55000 Rs / HP
Air condition System 11000 Rs / Ton
CCTV System 300 Rs / Sq Meter
Access Control system 200 Rs / Sq Meter
Hydropenumatic Water system 2000 Rs / LPM
Building Management System 300 Rs /  Sq Meter add 100 Rs / Sq Meter additional area beyond 10000 Sq Meter

 

Rate Analysis (Rs per Sq. Meter) (CPWD-2012)

Work

Office/College/Hospital

School

Hostel

Residence

Fire Fighting (with Wet Riser)

500

500

500

500

Fire Fighting (with Sprinkler)

750

750

750

750

Fire Alarm (Manually)

-

-

-

300

Fire Alarm (Automatic)

500

500

500

500

Pressurized  Mechanical Ventilation

650

650

650

650

 

Rate Analysis (% of Total Project Cost) (CPWD-2012)

Work

Office/College/Hospital

School

Hostel

Residence

Internal Water Supply & Sanitary

4%

10%

5%

12%

Internal Electrical Installation

12.5%

12.5% 12.5% 12.5%

 

Lift Speed (Indian Army Manual)

No of Floor

Lift Speed

4 to 5

0.5 to 0.7 meter/Sec

6 to 12

0.75 to 1.5 meter/Sec

3 to 20

1.5 to 2.5 meter/Sec

Above 20

 Above 2.5 meter/Sec

 

Lift  Details (CPWD-2012)

Type of Lift 

Persons

Weight

Speed  M/Sec

Travel

Price

Add Rs /Floor

Passenger Lift 

8 Person 544 Kg 1.0 G+4 18 Lacs 1.25 Lacs

Passenger Lift 

13 Person 844 Kg 1.5 G+4 22 Lacs 1.25 Lacs

Passenger Lift 

16 Person 1088 Kg 1.0 G+4 28 Lacs 1.50 Lacs

Passenger Lift 

20 Person 1360 Kg 1.5 G+4 30 Lacs 1.50 Lacs

 

MCB Class according to Appliances

Appliance

Capacity / watt

MCB Rating

MCB Class

Air Conditioner

1.0 Tone

10A

C Class

1.5 Tone

16A

C Class

2.0 Tone

20A

C Class

Freeze

165 Liter

3 A

C Class

350 Liter

4 A

C Class

Oven /Grill

4500 Watt

32 A

B Class

1750 Watt

10 A

B Class

Oven / Hotplate

750 Watt

6 A

B Class

2000 Watt

10 A

B Class

Room Heater

1000 Watt

6 A

B Class

2000 Watt

10 A

B Class

Washing Machine

300 Watt

2 A

C Class

1300 Watt

8 A

C Class

Water Heater

1000 Watt

6 A

B Class

2000 Watt

10 A

B Class

3000 Watt

16 A

B Class

6000 Watt

32 A

B Class

Iron

750 Watt

6 A

B Class

1250 Watt

8 A

B Class

Toaster

1200 Watt

8 A

B Class

1500 Watt

10 A

B Class

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About Jignesh.Parmar
Jignesh Parmar has completed his B.E(Electrical) from Gujarat University. He has more than 11 years experience in Power Transmission-Power Distribution-Electrical energy theft detection-Electrical Maintenance-Electrical Projects(Planning-Designing-coordination-Execution). He is Presently associate with one of the leading business group as a Assistant Manager at Ahmedabad,India. He is Freelancer Programmer of Advance Excel and design useful Excel Sheets of Electrical Engineering as per IS,NEC,IEC,IEEE codes. He is technical Author for "Electrical Mirror" and "Electrical India" Magazines. He is Technical Blogger and Familiar with English, Hindi, Gujarati, French languages. He wants to Share his experience & knowledge and help technical enthusiasts to find suitable solutions and updating themselves on various Engineering Topics.

8 Responses to Electrical Thumbs Rules (Part-9)

  1. DK Sharma says:

    Useful information, Thanks for posting it.
    DK Sharma

  2. s.k.pal says:

    Very Good.

    On Sat, Mar 15, 2014 at 10:36 PM, Electrical Notes & Articles wrote:

    > Jignesh.Parmar posted: ” Load in Multi-storied Building (Madhyanchal > Vidyut Vitran Nigam) Type of Load Calculation Diversity Domestic (Without > Common Area) 50 watt / sq. meters 0.5 Commercial (Without Common Area) 150 > watt / “

  3. arish says:

    thanks for posting

    Arish.p.louis

  4. gourav shrivastava says:

    Thanks for enhanced my knowledge

  5. Junaid says:

    Very useful and knowledgeable information, like it,

  6. Lalduhawma says:

    Thank you so much for your informative posting

  7. Jonryl Novicio says:

    thank you so much

  8. kiran .Desai says:

    Dear ,Jignesh.Parmar.
    Thanks a lot to you at least you made us read once we started. Very very use full information.,
    In our team we are started the week end discussion session on your topics so that knowledge can share among our self and we believe that knowledge is divine . Thanks a lot We request you that please continues this work.

    Thanks a lot

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