Electrical Costing (Per Sq.foot) Quick Reference

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 meter Size of ventilation shaft in sq meter Minimum 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 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

Fire Fighting (with Sprinkler)

750

Fire Alarm (Manually)

–

300

Fire Alarm (Automatic)

500

Pressurized Mechanical Ventilation

650

RATE ANALYSIS (% OF TOTAL PROJECT COST) (CPWD-2012)

Work

Office/College/Hospital

School

Hostel

Residence

Internal Water Supply & Sanitary

10%

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

APPROXIMATE LOAD AS PER SQ.FT AREA (AS PER DHBVN):

Sq.ft Area Required Load (Connected) < 900 Sq.ft 8 KW 901 Sq.ft to 1600 Sq.ft 16 KW 1601 Sq.ft to 2500 Sq.ft 20 KW > 2500 Sq.ft 24 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 Load 500 watt per 100 Sq. foot of the constructed area. For Commercial 1500 watt per 100 Sq. foot of the constructed area Other Common Load For lift, water lifting pump, streetlight if any, corridor/campus lighting and other common facilities, actual load shall be calculated Staircase Light 11KW/Flat Ex: 200Flat=200×11=2.2KW

Sanctioned Load for Building

Up to 50 kW The 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…