NATIONAL ALUMINIUM COMPANY LIMITED - Rites

3.1.13 Air conditioning of Wagon Tippler control room room, PLC room and battery room room, complete with
all electrical, civil & structural works etc.
3.1.14 Exhaust fans for all toilets complete with electrical, civil & structural works etc. Exhaust fans
along with required ducting shall also be provided for all underground structures/Transfer
Points.
3.1.15 Minimum of four (4) Nos. sump pumps in Wagon Tippler house complete with motors, local
control panel, level switches, individual discharge piping with fittings and valves to nearest
plant drain etc.
3.1.16 A complete dust suppression system for contr control ol of fugitive dust at Wagon tippler, apron
feeder, transfer points, complete with enclosed pump houses, water tanks, pumps, drives,
hoisting arrangements, piping, valves etc. electrical, accessories, civil and structural works as
briefly specified below:
a) Plain water dust suppression through fogging nozzles for control of dust during Wagon
Tippler operation.
b) Dry fog type dust suppression system at all Transfer Points both at discharge and
loading points including all electrical and accessories.
c) Compressor units, Pump houses & water tanks for dust suppression, service water and
cooling water system.
3.1.17 Cooling water system for scoop coupling, Service water system for Wagon Tippler Package
System shall be taken from nearest header located at new track ho hopper pper area.
3.1.18 An E.O.T crane for installation & maintenance of equipment in wagon tippler complex
complete with all electrical and control including the covered structural steel shed.
3.1.19 Monorails and electrically operated hoist blocks as well aas
s hand operated chain pulley blocks
for servicing/installation/easy replacement of drive machinery, different types of pulleys for
all conveyors, GTU and other equipment.
3.1.20All All buildings in contractor’s scope shall be complete with all electrical, civ civil, structural,
architectural works, cable trenches, fire safety walls, foundation / fencing / earthing earthingfor all
equipments, structures, transformers etc. . All cables / duct banks, trenches, cable trestles
shall be complete with associated civil/ structural wwork
ork and necessary civil foundations.
3.1.21 Drainage of Wagon Tippler hoppers, tunnels, conveyor galleries, TPs, upto nearest existing
CHP drain including all civil & structural works.
3.1.22 All equipment/fittings, supporting structure, along with inser insert t plates, bolts, accessories, MS
sleeves, base plates, grouting as may be required and proper alignment etc.
3.1.23 A complete set of all special tools and tackles, which are necessary or convenient for
erection, commissioning and overhauling of any equipment, covered under the scope.
Technical Specification Sec-2,:Intent :Intent of Specifications
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