Technical data
CHAP-04.10 ELECTRICAL POWER DISTRIBUTION, DRIVES, CONTROL &
ILLUMINATION ELECTRICAL
Page 33 of 50
interlocking and other schematics.
7. Shop/Unit wise Maximum Demand calculations
8. Relay settings with calculations for total network to ensure proper
co-ordination.
9. Busbars sizing calculation with respect to temperature rise & short
circuit withstand capacity.
10. Design Calculations for selection of main equipment such as
transformers drive motors, AC drives, bus bars, cables, batteries
etc.
11. Typical schemes of DOL, RDOL feeders indicating inputs & outputs
applicable to the various feeders indicated in SLDs.
12. Power and regulation schemes of AC drives.
13. Calculation for temperature rise of busbars.
14. Layout of substations, electrical rooms and control rooms including
ventilation and air-conditioning rooms, handling facilities. The layout
drawings indicating cable trench, wall openings, conduit inserts,
plate inserts, Minimum clearances from electrical panels for
installation of panels, cable trays, conduits for concealed wiring etc.
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).










