The Braithwaite Burn And Jessop Construction Company Limited Tender

GRIT/ COPPER SLAG BLASTING, METALLIZING AND PAINTING OF GIRDER COMPONENT OF 08X76.2M WELDED SPAN TRUSS GIRDER AT GANGA BRIDGE SITE, PRAYAGRAJ AS PER TECHNICAL SPECIFICATION.

Grit/ Copper Slag Blasting of fabricated girder components, Metalizing girder components with aluminium wire as per IRS-B1-2001 including applying one coat of primer of IS:5666 and followed by one cote of Zinc Chromate primer of IS:104 and one coat of Aluminium paints of IS:2339. Thoroughly cleaned and roughened surface area shall be prepared by Grit/ Copper Slag blasting to a near white metallic surface and the surface preparation shall match to minimum Sa 21/2 to IS: 9954 This rate includes plants, all labour, consumables, machinery, equipment, manpower, safety items, Tools and Tackles, Instruments, metalizing wire, fuel, lubricant, oxygen, LPG, Grit/ Copper Slag for blasting etc. as a complete job except wash/ etch primer, zinc chrome primer and aluminium paint. Copper slag should be a granular shape and free from silica/sand. Wash/ etch primer, zinc chrome primer and aluminium paint will be supplied by BBJ free of cost to the agency. In case electric power from BBJ's site is used for the work for operating electrically operated compressor, metallizing gun, painting gun etc. to the agency, Rs.50/- per sqm. of work done will be recovered from RA bills of the agency. BBJ is not assuring power supply for the work or its backup supply and the agency must maintain its own resources for execution of the work.

Note: BBJ may provide aluminium wire if available at BBJ’s Site Store at Jhunsi at the cost plus 5% above.