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 30 of 63
13. Interplant cable route drawings.
14. Layout of cable trays in cable cellars inside the substation & other
electrical premises, cable channels, cable tunnel, overhead cable
structures, cable shafts etc.
15. Cable layout drawings in cable tunnel, cable channels, overhead cable
structure (as applicable), and incoming cable route etc.
16. Power & control cable schedules
17.GA drawing for erection accessories like cable trays, supporting
structures etc.
18. Installation drawings of all equipment with layout of equipment, cables.
19. Illumination layout of all the indoor & outdoor premises. Layouts at each
floor of Electrical/Technological building with details and numbers &
locations of light fittings, Lighting distribution boards etc. SLDs of
Lighting distribution board.
20. Earthing and lightning protection scheme and layout of earthing and
lightning protection network with calculations including special
electronics earthing
21. Relay settings with calculations for total network to ensure proper co-
ordination.
22. Communication cable (Field bus) routing and procedure for laying of
communication cable.
23. QAP for all items covered in this specification
(d) For Reference/Erection purposes (Electrical)
1. Schedule of electrics, and their location.
2. HT/LT feeder requirement with individual maximum demand.
3. Control circuit diagrams.
4. Static and dynamic loading of all major equipment
5. External connection diagram (panel wise and scheme wise).
6. Composite drawings showing circuitry of switch-gear remote panels, and
other items pertaining to complete circuit for its proper functioning.
7. Power & regulation schemes for AC drives, UPS, soft starter including
FCMA type.
8. Motors & field devices.
9. Speed-torque, current vs. time, thermal withstands characteristics for
motors.
10. List of interfaces between successful Bidder’s equipment and Purchaser’s
equipment.
11. Cable termination plans with terminal block arrangement and markings.
12. Interconnection diagrams.
13. Internal wiring diagrams of equipment.
14. Fire detection systems: layout & cable list.
15. Motor and electric consumer list.
16. Consolidated Bill of materials and volume of work for erection.
17. Procedure for testing and commissioning of the entire plant, electrical &
automation equipment. This shall also be furnished in soft copy.
18. Erection specification with bill of materials of erection materials, earthing
materials, junction box, GI conduits etc. This shall also be furnished in
soft copy.
19. Spare part list and drawings.
20. Instruction for storage /erection, testing & commissioning.