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
2.04 COMMISSIONING
A. Simulated Power Failure Test
Engine - generator shall be made ready for automatic operation and started
by means of the test transfer switch on the automatic transfer switch. Unit
shall run for the duration of all time delays and then automatically
shut-down. This test shall be made with unit operating, and twice with unit
simulated for a starting failure.
B. Testing of the Set
1. Engine
a) The engine shall be tested at sire before and after erection to
BS 649 and amendments or equivalent including items, which
are said to be subject to mutual agreement. The test shall
include inspection, after testing the following parts:
b) Subsequent running test of eight hours shall be carried out of
the set.
c) The engine shall be subjected to vigorous performance tests at
sire under the worst environmental conditions prevailing here
to the satisfaction of the Engineer and the main items shall
include:
i) Output characteristics.
ii) Temperature rise.
iii) Checking of valve clearance, fuel pump setting,
governor setting, pipeline connections, exhaust
piping, and flexible connections.
iv) Checking the base and set are level in all directions,
checking alignment of engine and generator and
vibration isolators location and proper installation.
i) Checking or proper operation of engine safety
devices.
ii) Checking of fuel pipelines, fuel pumps, tank level
gauges and level control switches operation.
2. Alternator and Exciter
a) The alternator and exciter shall be tested to BS 5000 P.99
amendments thereof.
b) Tests at sire before erection and after erection prior to
handing over shall be carried out to the satisfaction of the
Engineer. The main items of tests deemed necessary by the