Electrical Costing (Per Sq.Ft) Quick Reference

 

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%

10.82%

400 Volt

16.77%

Size of Ventilation Shaft:

Height of Building in meterSize of ventilation shaft in sq meterMinimum size of shaft in meter

9.0

1.5

1.0

12.5

3.0

1.2

15 and above

4.0

1.5

 

Rate Analysis (CPWD-2012)

Description

Amount
Sub Station Equipment7000 Rs/ KVA
D.G Set with installation1000 Rs / KVA
UPS with 30min Breakup20000 Rs / KVA add 8000 Rs / KVA additional each 30 min
Solar Power Generation1.25 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 Plant75000 RS / Ton
VRF / VRV System55000 Rs / HP
Air condition System11000 Rs / Ton
CCTV System300 Rs / Sq Meter
Access Control system200 Rs / Sq Meter
Hydropenumatic Water system2000 Rs / LPM
Building Management System300 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 Person544 Kg1.0G+418 Lacs1.25 Lacs

Passenger Lift 

13 Person844 Kg1.5G+422 Lacs1.25 Lacs

Passenger Lift 

16 Person1088 Kg1.0G+428 Lacs1.50 Lacs

Passenger Lift 

20 Person1360 Kg1.5G+430 Lacs1.50 Lacs

 Approximate Load as per Sq.ft Area (As per DHBVN):

Sq.ft AreaRequired Load (Connected)
< 900 Sq.ft8 KW
901 Sq.ft to 1600 Sq.ft16 KW
1601 Sq.ft to 2500 Sq.ft20 KW
> 2500 Sq.ft24 KW
For Flats :100 Sq.ft / 1 KW
For Flats USS /TC: 100 Sq.ft / 23 KVA

Load as per Sq.Ft:

Type of Load

Load/Sq.Ft

Diversity Factor

Industrial

1000 Watt/Sq.Ft

0.5

Commercial

30 Watt/Sq.Ft

0.8

Domestic

15 Watt/Sq.Ft

0.4

Lighting

15 Watt/Sq.Ft

0.8

Contracted Load in case of High-rise Building:

For Domestic Load500 watt per 100 Sq. foot of the constructed area.
For Commercial1500 watt per 100 Sq. foot of the constructed area
Other Common LoadFor lift, water lifting pump, streetlight if any, corridor/campus lighting and other common facilities, actual load shall be calculated
Staircase Light11KW/Flat Ex: 200Flat=200×11=2.2KW

Sanctioned Load for Building

Up to 50 kWThe L.T. existing mains shall be strengthened.
50 kW to 450 kW (500 kVA)11 kV existing feeders shall be extended if spare capacity is available otherwise, new 11 kV feeders shall be constructed.
450 kW to 2550 kW (3000 kVA)11 kV feeder shall be constructed from the nearest 33 kV or 110 kV substation
2550 kW to 8500 kW (10,000 kVA)33kV feeder from 33 kV or 110 kV sub station
8500 kW (10,000 kVA)110 kV feeder from nearest 110 kV or 220 kV sub-station