Energy Conservation in Sachivalaya Complex Gandhinagar Part 1

By Er Uresh MehtaPast Chairman, GSC & Chief Engineer(Electrical) (retd)

Roads & Building Department

Vitthalbhai Patel Bhavan, Vidhansabha

Sector No. 10, Gandhinagar Gujarat

Building Details

• Vitthalbhai Patel Bhavan, Vidhansabha Building, 2 Floors with Double Height 2 Floors with Single Height

• Sardar Patel Bhavan, Sachivalaya 10 Nos. of 10 storied building 4 Nos. 2 storied building

Energy Consumption Details (July’2001 to June’2002)

Approx. Annual consumption in Units = 7868550

Annual Consumption in Rs. 3,58,78,269/-

Electricity Details • Source of Electricity :-

M/s Torrent Power A.E.Co. Ltd. Ahmedabad • Supply Voltage:-

11 Kv • Contract Demand :-

3400 KVA • Average monthly consumption :-

(July'2001 to June'2002) 655713 Units and Rs.2989856/-

• Average P.F.:- 0.93

Information regarding Electrical Installations

at Sachivalaya Complex

Gandhinagar

Electrical Utility Details

• No. of transformers 8 Nos. Each 1000 KVA

• No. of pump, motors for water supply – 41 Hp 2 Nos., 25 HP-4 Nos

• Central A.C. Plant – 1050 Ton

• No. of Window Type / Split A.C. Machine 1.5 Tons – 500 Nos

• No. of Water Coolers - 150 Ltrs. – 125 Nos

• No. of Lifts – 46 Nos. (2.5Mt/ Second , 1.5Mt/ Second, 1Mt/ Second Speed)

Electrical Utility Details• No. of Escalators –

4 Nos • No. of Ceiling Fans :-

12000 Nos • No. of Tube Light Fittings :-

27000 Nos • No. of Computers :-

3000 Nos • No. of Compound Light Poles :-

210 Nos• No. of Helogen Fittings in Assembly Hall –

48 Nos

Energy Savings in Lighting Loads:-

Application of T/5 Tube lights by replacement of conventional tube lights

Total 17500 Nos. of Tube Lights replaced in Different Blocks and Vidhansabha Building

Project cost is NIL for 7500 nos.

The above project is taken upon hand and completed in

demand side management project. So the initial expenditure incurred in the

project is

NIL

Advantages for Replacement of conventional Tube Lights by

T/5 Tube Lights

• The Consumption reduced by approx. 44%

• Reduction in total no. of Tube Lights

• Reduction in maintenance cost