PACKAGE : I Bid Document VOLUME : II - Public Health Engineering

15.4 Requirement of statutory authorities.
The electrical equipment/installations shall comply with the requirements of
Rules/Regulations as amended up-to-date, required by Statutory Acts or
Authorities.
- The Indian Electricity Rules, 1956
- The Indian Electricity Act.
- The Indian Electricity (Supply) Act, 1948
- The requirements of Inspectorate of Electricity, Government of Meghalaya.
15.5 Voltage regulation.
During starting of heavy equipment the voltage may drop by a maximum of 15%
for period of 45-60 seconds depending upon the duty of the driving equipment. All
the electrical equipment shall, therefore, be suitable for trouble free and
uninterrupted operation even during such voltage variation at the time of starting of
heavy equipments.
15.6 Frequency regulation.
As experiences, frequency of power supply is highly fluctuating. Frequency dips as
low as 47.50 Hz. and shoots as high as 51.50 Hz.. All plant and machineries are to
be designed taking into consideration the highest fluctuating frequency of power
supply.
15.7 Ambient temperature.
Where the equipment is installed outside and exposed to direct sunrays, these shall
be suitable for operation at higher ambient temperature and rigorous weather
conditions under which they are required to operate.
15.8 Power factor.
Suitable rating capacitors shall be provided to each individual motor above 1.5 KW
rating along with discharge device of appropriate rating to improve the power factor
above 0.95.
GTS : General Technical Specification. Page 106