NATIONAL ALUMINIUM COMPANY LIMITED - Rites

4. A/C & ventilation RRoom
5. Peripheries of buildings
6. Coal conveyor galleries
7. Dust suppression MCC room
8. Junction houses and transfer towers
9. Wagon Tippler System
10. Control room of WT
11. MCC room for WT
12. Roads/streets within battery limit
13. Area/sub areas within battery limit
14. Any other premise coming under the battery limit
The illumination system shall include the following in required quantities:
• Lighting DBs/ Sublighting DBs • Steel tubular poles
• Light fittings with lamps • Switches
• Lighting fixtures and accessories • Conduits & brackets
• Cables and wiring • Hangers & clamps
• Ceiling fans
• JBs
• Receptacles • Timers/photocell
• For street light LED lamps preferable
• High mast system should have Metal Halide Lamps
All lighting in outdoor area such as ccWT
areas, road/street and area lighting as well as
peripheral lighting shall have auto ON/OFF facility with suitable 24 hrs timer. All the light
fittings shall be dust and weather proof.
Illumination levels envisaged for different areas will be as indicate indicated d below:
S.N. Area
1 Switchgear room 250 FTL AC normal lighting DC
emergency lighting
2. Battery room 100 FTL AC normal lighting DC
emergency lighting
3. Transformer room 200 FTL AC normal lighting
4. MCC room 250
lighting
5. WT Control Room 250 FTL AC normal lighting DC
emergency lighting
6. Junction house 200 MH AC normal lighting
7. Conveyor gallery 100 MH AC normal lighting
8. Peripheral lighting 20 MH AC normal lighting
9. Street / road / area lighting 20 SV AC normal lighting
Technical Specification:Sec-6, Electrical
Lux Fitting type Remarks
FTL AC normal lighting DC
emergency
Page 51 of 97