Specifications

Enquiry Specification for Wagon Tippler with Side Arm Charger and Associated works
NRO/CON/WT/533
EPI – New Delhi Volume-2B, Rev.0 Page 23 of 63
6.0 ELECTRICAL POWER DISTRIBUTION, DRIVES, CONTROL &
ILLUMINATION FOR WAGON TIPPLER & SIDE ARM CHARGER
(A) General
This section covers major features of Power Distribution System, Shop-
Electrics, Drives, Control, Automation and Illumination System to be supplied
by bidder for the Ore Handling Plant Part-B Complex.
The Bidder shall refer to General Technical Specification (GTS) for Electrics
and Illumination for detailed specification of equipment / components. This
Technical Specification (TS), General technical Specification (GTS) including
Preferred Makes for Equipment and other attached documents considered, as
a whole shall comprise the complete Tender 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 Tender specification as a
whole. In case of conflict between the Technical specification and GTS, the
Technical specification (TS) shall prevail.
(1) Complete electrics for Wagon tippler and Side Arm charger (SAC).
· Motors with necessary accessories and brakes.
· Conventional type Control panel, VVVF drive panels, PLC panel at Electrical
room and Control panel on SAC.
· Control desk both at control room and on SAC. Provision in control desk for
control of Dust Suppression system for Wagon Tippler.
· Weighing facility with load cells for recording and transmitting data of
incoming materials to Despatchers D1 & D2 and central control room.
· Local Control Station and Field devices such as actuators, valves, photo-
electric sensor/relay, limit switches, proximity switches, encoders, position
transducer, isolators, safety switches, speed sensors, junction boxes;
warning hooters, Rail Clamp, Earth shoes etc.
· Plastic Power cable carrier system and necessary Flexible cables.
· Air Conditioning / Ventilation facility for Electrical panel room and Control
room.
· All power, control and special / instrument cables, cabling, terminations etc.
· Complete earthing of machine including rail earthing.
(B) TECHNICAL SPECIFICATION FOR WAGON TIPPLER & SIDE ARM
CHARGER (ELECTRICS & AUTOMATION)
(1) General
GTS shall be referred for technical specification of various electrical equipment.
However for specific application following TS shall be considered.