16.97Providing and fixing factory made post of MS Circular Hollow Section (CHS) of grade YST 210-240 as per IS 1161 : 2014 having external diameter of 76.10 mm, thickness 4.0 mm medium grade and having weight 7.11 kg/metre with hot dip galvanised coating of minimum 360 GSM on both side as per IS 4736, IS 2629 and ASTM A123 (as applicable) and thermoplastic powder coating of minimum thickness 250 microns as per coating standard EN 10245 -1 and ISO 12944 (as applicable) of specified colour. The length of post shall be 3400 mm, of which 2700 mm above ground level and 700 mm in the concrete block, provided at a distance of 2.50 m centre to centre placed in predetermined holes either in cast-in-situ cement concrete block of specified grade with 10 mm diameter 300 mm long mild steel anchor rod tied with wire at bottom of post or in precast CC block of specified grade of required size fixed with specified grade cementitious non shrink grout as per direction of Engineer-in-Charge. The cost of precast or cast in situ cement concrete block shall be paid for separately. Coating requirements:- The modular fence manufacturer shall have a facility for surface preparation of (Blast clean SA 2.5) and surface treatment (7 tank or 10 tank process) for better longevity of the coating. Type Test Certificate should be provided by the Fence Manufacturer for the quality of powder coating and thermoplastic coating during supply of fence materials. Type Test Certificate should be from a Government Institution like Central Electrochemical Research Lab. The Fence Manufacturer shall have a valid applicator certificate for thermoplastic powder coating.