Specifications

NAIROBI OPERATIONAL HUB
UNOPS Building, UN Lane, Off UN Avenue Tel: [phone]
P.O Box 783,Village Market, 00621 E-mail: [e-mail]
Nairobi, Kenya Website: www.unops.org
UNOPS is ISO 9001 certified
2. All discharge luminaires used in external applications shall comply with the
requirements of Standards and shall be minimum of IP 54 unless indicated
otherwise in the following Luminaires Data Sheets.
3. All luminaires shall be designed for operation from a 230 volt 50 Hz single
phase supply, unless specifically indicated otherwise on the Drawings.
4. all luminaires shall incorporate, within the base, a cable connector suitable for
accepting 6.0 sq.mm conductors. Luminaire factory wiring shall be rated at
155
o
C.
5. Luminaires body, housing and reflector shall be of the shape and size as
indicated in g Luminaire Data Sheets.
6. Control gear shall be quiet in operation and no part of any luminaire shall
rattle when subjected to normal internal building environmental vibrations.
Ballasts shall be high power factor type not less 90%.
7. Luminaires shall be manufactured to enable simple and efficient cleaning.
The external surfaces of all luminaires shall be smooth and devoid of
apertures of crevices. Seams and joints shall be continuously welded and
ground smooth.
8. Luminaires, body, reflectors, wiring channels & castings shall be formed so as
to prevent buckling or distortion.
9. When aluminium is placed in contact with dissimilar metal, the contact
surface shall be separated with a gasket of coating to prevent corrosion.
10. All luminaries latches or other securing means shall be of captive type and
made of stainless steel for luminaires mounted externally.
11. All luminaires shall be suitable for starting, and operating continuously,
within the following ambient temperature range.
12. Minimum Temperature -2 Deg. C.
Maximum Internal Temperature 46 Deg. C
Maximum External Temperature 50 Deg. C
13. All discharge luminaires shall incorporate power factor correction to not less
than 0.9 lagging.
E. Emergency Conversion Module
Where shown on drawings, emergency lights shall be equipped with emergency
conversion modules. The module shall be a 3 hours, maintained type, sealed with
rechargeable Nickel - Cadmium battery, rated for use at 50
o
C ambient.
Charger/inverter unit shall have red LED charger monitor.
Mains Voltage - 230V +6% or -10%