Specifications

NAIROBI OPERATIONAL HUB
UNOPS Building, UN Lane, Off UN Avenue Tel: +254 20 7621120
P.O Box 783,Village Market, 00621 E-mail: info@unops.org
Nairobi, Kenya Website: www.unops.org
UNOPS is ISO 9001 certified
additional valves that may be required by local
regulations.
iii) All piping shall be provided with ground joint
unions at piece of apparatus to facilitate connecting
and disconnecting.
iv) All piping, unless otherwise specified, shall be
schedule 40 standard weight black wrought iron
pipe.
v) Steel vent pipelines shall run from the fuel oil
storage tanks, carried to the proper height within
building construction and terminating with vent
fittings. Fitting as required.
5. Lubricating System
a) The lubricating oil system shall be forced fed type. The
details of the system shall be included in the offer. The
shaft bearing lubricating shall be directly fed from the
lubricating oil pump and not through the main bearings.
b) The lubricating oil shall be of a type readily available
internationally.
c) The lubrication system shall be positive displacement type.
By-pass arrangement should be provided in case of filter
clogging.
d) A heat-exchanger shall be provided for cooling the
lubricating oil and this shall be of long-life type i.e. the
system shall not require constant cleaning or other
maintenance work. A valve for taking oil sample shall be
provided. The coolant for the above shall be jacket water of
the engine. That is, the cooling system of the engine and
the lube-oil heat-exchanger cooling system shall work in
parallel or in series. If the lube-oil pressure reaches low
value, the engine shall be shut down automatically and also
immediately should give audible alarm together with visual
at important points at the engine-monitor panel.
e) Suitable manual-pumping arrangement for easy draining of
the whole quantity of lube-oil into a drum shall be
provided.