All rotating parts (if any) shall be provided with anti-friction bearing type
AWS B3.0 Specification Requirement shall be confirmed for Base Material and Welding procedure
The welds shall be carried out by welders who have passed the qualification tests
Bolt holes shall be made by drilling or by a punch Machine
Bolt shank length should be grather than part which is to be tightened and washer shall use.Sand Sa 2.1/2 and uniform inorganic galvanizing coating shall be considered for bolted joints
British Standards specifications BS3643 Part 1 & 2, ISO Metric screw threads shall be considred
Steel as Defined in the ASTM standards or similar shall be used
Supplier shall furnish complete lubrication instruction including types and grade of lubricants
Bolts shall be placed such that bolt and nut may be easily handled
Walkway and gratings shall be Galvanized carbon steel
The equipment shall be coated/painted in accordance with buyer standards with client approval. For more information, please see attachment II (PAINTING AND RUBBER LINING SPECIFICATION). Large iron components shall be galvanized or properly paint-coated. Small items such as screws, washers, etc. shall be of non-corrosive metal such as stainless steel or bronze or shall be protected by cadmium-plating, nickel-plating or silver-plating. Machined surfaces and bright parts normally left unpainted shall be coated with corrosion protective compounds which shall be easily removable during installation. Note: Supplier shall present painting procedure offer contract and get client`s approval
All supports shall be in steel or spherical cast iron with rolling bearing
Minimum life time for bearings shall be 50000 hours
More basic design requiremens for Wire rope,Equalizer Sheaves,Load