Technical data

CHAP-04.10 ELECTRICAL POWER DISTRIBUTION, DRIVES, CONTROL &
ILLUMINATION ELECTRICAL
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concrete cable trenches, MCC Rooms, Despatchers/Control rooms,
Electrical premises etc. including their associated utility areas like
Ventilation rooms, Stairs, Toilet etc.
2. Control for the proposed Coal Handling Plant will be from Despatcher
(D2) building being arranged by EMPLOYER under separate
package (62). The Contractor will furnish space requirement and
assignment to the EMPLOYER for making the provision in the
Despatcher-D2.
3. Control of Augmentation in Flux - Fuel Preparation and Plant Return
Fines Handling for SP III will be done from existing Control Room
1(CR-1). Necessary modification, if required for laying of cables and
mounting equipment in the existing control room, the same will be
provided by the Contactor.
4. Control of Coke Sorting Plant will be done from a new control room/
despatcher under the scope of Contract.
5. Cable Tunnels / Structures for overhead cable bridge as required.
6. Intelligent, microprocessor based, addressable type automatic fire
detection and alarm system for all MCC rooms, Electrical Premises,
Cable cellar, Despatcher cum Control room using smoke detectors,
heat detectors with cross zoning.
7. Air conditioning system for Control rooms cum Despatchers (housing
Operator control/HMIs, Servers, Engg. stations, Instrument panels,
UPS etc).
8. Air conditioning system at (35 deg C max.) for premises housing
Intelligent MCCs, MCPs & VVVF panel rooms and other local control
rooms complete with instruments, electrics, controls etc.
9. Ventilation system for substation building, Cable tunnels, Cable
basement / cellar consisting of suitable capacity fan, Pumps, GI
ducting etc.
10. Exhaust ventilation system for toilets, storerooms, Battery rooms etc.
11. Excavation, back filling, and leveling of cable trenches within battery
limits.
12. Cable cellar for all Electrical premises/ LTSS/ MCC room etc.
13. MCC room and LTSS can be combined building with a separation
wall and with a door for interconnection .
14. Cable supporting structures in the Electrical Premises, Despatchers /