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

Outdoor Luminaire:
The luminaire shall be 250 watt H.P.S.V. with all accessories and shall be deep
drawn aluminium reflector stove enameled grey outside and brightened and
annodised inside lined with felt gasket to prevent insect entry.
Die cast aluminium housing covered with a lid shall be provided to accommodate
all electrical accessories, such as independent ballast, power factor improvement
capacitor, wired upto terminal block.
A clear acrylic cover shall be fixed to the reflector by means of 4 toggles.
The luminaire shall be mounted on the mast arm of 50 mm O.D. Mirror
compartment and tray compartment shall have degree of protection IP 43 and IP 33
respectively. The reflector shall be manufactured of drawn aluminium sheet and be
painted to stove enamel grey outside and brightened and annodised inside.
The housing shall be diecast aluminium - A6 Grade MBV treated covered with
acrylic sheet clear.
15.19 Emergency Light.
Emergency light unit working on 230 volts. A.C. supply shall be self containing
unit with 20 watts 600 mm long florescent lamp type ‘SWITCH ON MAIN
FAILURE’. It shall be electronic automatic fluorescent type which incorporates a
unit trickle charge circuit, which shall prevent overcharging of battery. The battery
shall be maintenance free. The unit shall provide 4 hours illumination following
power failure. The units shall generally conform to IS:9583.
15.20 Earthing.
Earthing in general shall comply with C.P. (Code of Practice) 3043 of Indian
Standards.
Earth electrode either in the form of pipe electrode or plate electrode should be
provided at all premises for providing earthing system.
GTS : General Technical Specification. Page 131