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
the element and the lubricating oil is to be replaced should
be stated.
c. Intake and Exhaust System
Air is inducted to the engine manifold through.
i) Pre-cleaner
ii) Large capacity air cleaner.
Both filters are required due to severity of dust suspensions in
the air.
The engine exhaust line shall be fitted with flexible fitting
efficient silencer to give efficient silencing with minimum back
pressure and terminated outside the engine room.
8. Ventilation
The following ventilation works are required for the diesel engine
generator room.
a) Metal louvers with metal cleanable filters shall be provided for
outside air intake into the engine room. Filters shall be
permanent heavy-duty metal cleanable type minimum 2"
thickness. Filters to be sized to perform their duty with a face
velocity not more than 350 fpm when engine is running. Filters
to be installed n an appropriate arrangement on the room walls.
Total filter area shall consider air for engine intakes and
radiators cooling. Filters with handles and latches shall be
provided.
9. Governing System
a) The engine shall run steadily at any load within its rating at its
rated speed, and the changes in speed due to change in load
shall comply with BSS 5514/77 for Class A1 or with ISO
3067.
b) The governor should be of the electronic type to comply with
BS 5514/77 Class A1.
10. Coupling and Common Bed
a) The engine and the alternator shall be suitably coupled directly
without interposing gear arrangement.
b) The common bed shall be provided with suitable damping
devices for fixing to the floor.
c) The engine vibration shall be the minimum possible and shall