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 |
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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 | 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 |
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 33 kV or 110 kV sub station |
| 8500 kW (10,000 kVA) | 110 kV feeder from nearest 110 kV or 220 kV sub-station |