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 27 of 63
Bidder shall also furnish soft copies of all the drawings indicated below
and drawings of technological layout/units.
All design, engineering and manufacturing drawings shall be required to
be approved by Purchaser/Consultant.
Work shall be carried out exactly as indicated on the approved drawings
and specification. No alterations shall be made without prior written
approval by purchaser / his consultant.
The bidder shall check all the drawings prepared by them and/or
received from their vendors/supplier/sub-supplier and satisfy
themselves about the correctness of drawings before issuing to
Purchaser/Consultant. After checking, properly stamped drawings shall
be sent to Purchaser/Consultant for approval / clearance.
Comments on all drawings will be forwarded to the successful bidder for
incorporation and resubmission.
The approval of drawings by purchaser or their authorized
representative does not absolve or relieve the supplier from any of his
obligations under this contract and he shall be wholly and solely
responsible for the satisfactory operation and guaranteed performance
of equipment / system / plant.
(a) Information/data/drawings to be furnished by the Bidder along
with the Tender. (Electrical)
1. List of equipments considered for supply (Unpriced copy).
2. General description of equipment offered specifying the important
features, make, technical parameters, materials of construction, etc. to
enable the owner to have proper understanding of the equipment
offered and its operation. Technical details shall be supported by
manufacturer’s.
3. Literature/ catalogues of offered equipment.
4. List of Basic Engineering drawings.
5. Drive list indicating kW ratings.
6. HT and LT Motor data sheet as per enclosed format.
7. Feeder requirements from purchaser at 6.6 kV indicating maximum
demand of each feeder, overall maximum demand of each LT substation
and total connected load and maximum demand of the plant.
8. Power supply distribution scheme indicating numbers of HT/LT
substations, transformers, HT motors etc. and CL/MD.
9. Proposed location of electrical premises such as LT substations, electrical
rooms, control room, cable tunnels/Overhead Cable Structures/Bridge
etc.
10. Single line diagrams for Power Control Centres, Motor Control Centres/
Control Panels, Power Distribution Boards, Main Lighting Distribution
Boards, Lighting distribution boards etc.
11. Typical control scheme of a DOL/RDOL feeder indicating inputs &
outputs considered.
12. Basic power and regulation diagram of VVVF converters for AC drives.