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
PART 2 - PRODUCTS
2.01 EMERGENCY GENERATOR SET
A. The set shall be of rugged reliable design and built for long trouble free
service under the worst specified climatic conditions and made by an
approved reputable manufacturer.
B. The rated output shall be (as indicated on drawings) at 0.8 PF 240/415
Volts, 3 phase and 50 Hz. The rated output shall mean the net full
continuous derated output in Palestine at ambient temperature up to 45
Degree C, at relative humidity 50%. The set shall also be capable of 110%
load for one hour under these conditions at the rated speed without undue
heating of the engine or alternator and without mechanical or electrical
troubles. A manufacturer’s deration calculation shall be enclosed along
with the tender documentation.
C. Diesel Engine
1. The diesel engine shall be of the stationary heavy duty and EU
stage II emissions compliant, turbo charged compression/ignition,
multi cylinder 4 stroke operation. The steel base frame shall be
provided with spring type vibration isolators. The engine shall be
able to deliver full load in the shortest possible time after start. The
engine speed shall not exceed 1500 r. p. m.
The engine construction shall be in such a way as to allow for
dismantling of any engine component for inspection or repair
without undue complication i.e. without dismantling of other non--
defective parts. The crank-case shall be provided with inspection
windows.
2. Starting System
The diesel engine shall be equipped with starting system detailed
hereunder and as per Engineer's approval.
a) Battery Starting System
i) The engine shall be started by a 24V, D.C. starting motor
automatically engaging with engine flywheel and
positively dis-engaging on engine starting.