Technical data

CHAP-04.10 ELECTRICAL POWER DISTRIBUTION, DRIVES, CONTROL &
ILLUMINATION ELECTRICAL
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04.10 ELECTRICAL POWER DISTRIBUTION, DRIVES, CONTROL &
ILLUMINATION
04.10.01. General
This section covers major features of Power distribution System, Shop-
Electrics, Drives, Control, Automation and Illumination System to be
supplied by Contractor for the Coal Handling Plant (CHP) & Coke
Sorting Plant (CSP), Augmentation in Flux - Fuel Preparation and Plant
Return Fines Handling for SP III (FFP).
The Contractor will refer to General Technical Specification for Electrics
(GS-03) for detailed specification of equipment/components. This
Contract Specification (CS), General Technical Specification (GTS)
including Preferred Makes for Equipment and supplies (GS-13) and
other attached documents/ Annexure E-01(Tools & Tackles), E-
02(Commissioning Spares), E03, E-04, E-05 considered, as a whole will
comprise the complete Contract Specification. These are
complementary and anything laid down in one and not in other will be
deemed as binding, as though laid down in the Contract specification as
a whole. In case of conflict between the Contract specification and GTS,
the Contract specification (CS) will prevail.
04.10.02. HT Power Supply System & Battery Limit
Power supply for the Coke Sorting Plant and Coal Handling Plant will be
made available from the 11/6.6 kV switchboards proposed to be installed
at HT substations (HTSS) near COB#11(HTSS-48), under a separate
package by EMPLOYER (package no. 071).
Power supply for the Augmentation in Flux - Fuel Preparation And Plant
Return Fines Handling for SP III of SP-3 Complex will be made available
from the 11/6.6 kV HTSS for SP-III -HTSS-43 and HTSS-45 (beside
HTSS-42) Complex under a separate package by EMPLOYER
(package no. 071).
Refer typical power distribution drawing no.MEC/S/9101/11/E1/06/00/00/
064.01/R1 for HTSS
The scope of work of the Contractor will commence from the outgoing
terminals of 11/6.6 kV switchboard located at HTSS-48, HTSS-45 and
HTSS-43 Complex for the respective facilities.
This 11/6.6 kV Switchboards at HTSS will be used to supply power to all
LT substations (LTSS) and all 6.6 KV HT Motors under the scope of this
package. Supply, laying and termination (at both ends) of all HT &
Control Cables from HT switchboard to LTSS & HT motors will be in the