NATIONAL ALUMINIUM COMPANY LIMITED - Rites

LIGHTING MAST
General
1. Make
:
2. Material of construction :
3. Cross section of mast in polygon (No. of sides) :
4. Thickness in mm (bottom/middle/top sections) :
5. Length of individual sections (mm) :
6. Base dia & top diameter (OAF) :
7. Type of joints
:
8. Length of overlap (joint at site mast Section in mm):
9. Thickness of galvanization (minimum) :
10. Size of opening door at base (mm) :
11. Type of locking arrangement & door construction:
12. Weights in kgs of 30 mtrs high mast :
13. Dynamic loading as prevailing actual at site :
14. Maximum wind pressure (Basic wind speed) :
15. Maximum gust speed ed time :
16. Factor of safety for wind load :
17. Factor of safety for other loads :
Lantern Carriage
1. Diameter of carriage ring (mm) :
2. Load carrying capacity :
3. Total weights of assembly with fittings :
4. Number of fittings
:
Winch
1. Make of winch, number of drums per winch :
2. Capacity
:
3. Operating speed
:
4. Method of operation
:
5. Tested load per drum (kg)
Wire Rope
:
1. Grade
:
2. Number of ropes/thickness :
3. Construction
:
4. Breaking load capacity :
5. Factor safety
:
Cable
1. Type
2. Make
3. Current carrying capacity
4. Cable size
3. Current carrying capacity :
:
Technical Specification:Sec-9,Miscellaneous
:
:
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