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 29 of 63
15. Electrical Equipment Layout of all electrical rooms, control rooms
indicating panel dimensions, space available for future expansion with
building dimensions.
16. General arrangement of equipment with plan, front view and sectional
views, comprehensive bill of materials with description, quantity, make
and type.
17. Cable layout drawings in cable tunnel, cable channels, overhead cable
structures/bridge and incoming cable route etc.
18. Interplant cable route drawings.
19. Type tests certificates of all major equipment like transformers,
switchgear etc.
20. Level-1 automation system configuration & I/O lists, Belt Scale, Belt
Weigh feeder, UPS & VVVF single line diagrams.
21. Functional description, control philosophy for the plant indicating start
up, shut down, control locations, interlocking and annunciation system,
mimic pages, report/data formats (for reference).
22. Sizes, ratings & locations of various LDBs & SLDBs.
23. Tentative Dimensions of panels.
24. Earthing and lightning protection scheme and layout of earthing and
lightning protection network with calculations.
25. Quality assurance plan for various electrical equipment.
(c) Detailed engineering drawings (Electrical)
1. Civil/Structural engineering design drawings of Electrical buildings,
Electrical rooms, Control rooms, Motor foundations, Cable tunnels,
Overhead cable structures/Bridge etc.
2. General arrangement of all electrical equipment/electronic
panels/controllers with plan, front view and sectional views,
comprehensive bill of material with description, quantity, make and
type.
3. Equipment and cable layout drawings in LT Substation, Electrical
premises, Control rooms etc.
4. Schematic drawing of different feeders, control, alarm, indications,
interlocking, inputs/outputs to PLC and other schematics.
5. Single line diagrams of all PCCs, MCCs/ Control Panels, PDBs, MLDBs,
LDBs, SLDBs, UPS, other equipment Control panel for sump pump,
magnet and other auxiliary system etc. Module wiring diagrams
indicating all interlocks, terminal numbers. Wiring terminal plan
drawings with cable connections.
6. Single line diagram of VVVF Drives, Soft Starter etc.
7. GA, BOQ, Layout drawings, dimensional details for LT switchgear
equipment, MCCs/Control Panel, PDBs, MLDB, LDBs, SLDBs, Main fire
detection and alarm panel etc. with rating of components, cable sizes
and details of protection and metering etc.
8. Level-1 automation system software and graphic displays.
9. I/O listing in specified format to be finalised during engineering.
10. Sizing calculation of the UPS and the backup battery. UPS panel wiring
diagram and circuit diagrams.
11. Wiring terminal plan drawings with cable connections.
12. Technical data sheets for Motor, Brake, Proximity switches & all field
mounted electrics, GA drawings.










