Friday, January 9, 2015

GENERATING SET PROTECTION:

ENGINE INSTRUMENTATION:
Incorporated in the control panel or mounted on a separate engine mounted panel, our option, shall be the following engine instrumentation:-
1-            Oil Pressure gauge.
1-            Water Temperature gauge.
1-            Hours run recorder.
BONNET & SOUND PROOF CANOPY:
Should be fabricated by heavy duty steel structure covering with steel sheet. The inner side of the steel enclosure should be lined with sound absorbing materials which should be covered by perforated steel sheet. The sound reducing level should be 82 dBA @ 1 meter from the canopy.   
GENERATING SET PROTECTION:
The unit shall be arranged to automatically shutdown and indicate the same in the event of:
Fail to start
Low oil pressure
High engine temperature
Engine over speed
Overload
Over/under voltage protection
FINISH:
The generating set would be finished in Hammer blue/Yellow and the control panel in grey/Yellow.
HAND BOOKS:
The equipment would be supplied with:          i. Operation & maintenance manual.
                                                                 ii. Engine & alternator parts catalogue.
TOOLS:
One set of standard routine maintenance tools would be supplied in a tool box.
AUTO CHANGE OVER SWITCH:
At the event of mains failure, an energy stop switch should be attached with the Alternator body, the generator shall start or if supply voltage goes below specific level or single phasing automatically and change over to the load. With restoration of main supply the generator shall shunt down automatically as well as the load shall be transferred to the normal supply. The bidder must mention the change over time in seconds.
The supply and installation of generators with automatic change over switch shall be on “turnkey basis” and shall include the cost of:
a)            Taking necessary permission from the relevant of authority.
b)            All pipe works.
c)             all inter connecting power and control cable works.
d)            Daily and reserve fuel tank including the transfer pump.
 Source PWD Schedule Book2014

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