NATIONAL ALUMINIUM COMPANY LIMITED - Rites

10.5 DATA SHEET
Capacity (TPH) : 1500 MTPH ( Design)
1200 MTPH ( Rated )
Angle of Installation : Horizontal
Chain Link : Forged alloy Steel
Apron pan : MS fabricated with wear resistant plate or special alloy steel .
Traction wheel : Cast Steel
Rollers : Forged Alloy Steel
11.0 No sizer or crusher is required.
12.0 DRIVE EQUIPMENT
GENERAL
Suitable Drive Chain Equipment’s like electric motors, gearboxes (where applicable), fluid
couplings (where applicable), flexible couplings and other accessories shall be provided for
all the belt conveyor systems, wagon tippler tippler, , side arm charger, apron feeders, various
pumps of dust suppression system, fans for ventilation system, monorail electrical hoists and
other equipment’s specified in this specifications. Various requirements as spelt out in the
Technical Specifications ffor
or individual equipment’s shall be taken into consideration while
designing the associated drive chain equipment’s.
12.1 CODES AND STANDARDS
The design, manufacture, inspection and testing of Drive Equipment shall comply with all the
currently applicable statutes, regulations and safety codes in the locality where the
equipment in to be installed. The Drive Equipment’s shall conform to the latest edition of
the following standards and codes. Other internationally acceptable standards/codes, whic which
ensure equal or higher performance than those, specified, shall also be accepted. Nothing in
this specification shall be construed to relieve the contractor of the required statutory
responsibility. In case of any conflict in the standard and this specif specification, ication, the decision of
the Owner shall be final and binding.
IS:3688 : Dimensions for shaft ends
IS:3681: General plan for spur & helical gears
IS:7403 : Code of practice for selection of standard worm and helical gear boxes
12.2 DESIGN AND CONSTRUCTION REQUIREMENTS
12.2.1 GEAR BOXES
12.2.2 Gear Boxes shall be of sealed type and mounted on machined or ground surfaces.
12.2.3 The gearboxes shall be designed for 24 hours continuous duty and gear boxes shall have
appropriate thermal rating.
Technical Specification:Sec-4,System System Parameters, Operation & Control Philosophy
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