Provision of Concertina Coil Existing Boundary Wall at Brichgunj Mil Stn, Sri Vijaya Puram

Taking down cement plaster on brick masonry walls built in cement mortar including raking out joints, hacking for key, scrubbing down with water etc and removing from site complete all as specified and directed by Engr-in-Charge..

S&F mild steel angles, bars, flats etc as in posts and struts in fencing incl cutting tops to shape as specified and directed by Engr-in-Charge., drilling holes, notching for wire, etc.; flat iron fillets (for securing wire mesh etc.) incl all necessary drilling, bolting or riveting, etc. and similar work conforming to Fe-290 Gde E-165 all as specified and directed by Engr-in-Charge. (Note : The angle shall be welded with existing columns/ beams reinforcement).

M&L for preparation of new or previously untreated steel surfaces & applying two coats of synthetic enamel paint over a coat of red oxide primer over 10cm in width or girth, not otherwise described etc complete all as specified and directed by Engr-in-Charge.

S&F galvanised, 2 strand, steel barbed wire 2.24mm dia barbed with 2mm dia bars at 75mm spacings and straining and fixing to any type of standard rails straining bolts, including securing or tying at crossing with and provision of galvanised mild steel wire, staples or steel pins, etc (each line of wire to be meassured) complete all as specified and directed by Engr-in-Charge.

S&F punched type concertina coil, 1A with wire spiral of 50 turns having a core wire high carbon spring steel of high tensile strength and a low carbon steel strip of 19mm wide 0.50mm thick having series of sharp barbs punched all along the core wire dia of the coil when opened to 15mtrs with height of 915mm +50mm tolerance with weight of one coil not less than 15.20kg (+/-) 5%. Normal dia of uncoated wire shall be 2.60mm with permissible variation of (+/-) 0.035mm, minimum tensile strength of wire 167 N/mm2 as per IS-1608, minimum torsion shall be 22 as per IS 1717 and weight of zinc coating 230 g/mm2. The concertinal coil straining and fixing over barbed wire supported with Y angle including securing or tying at crossing with and provn of galvanized mild steel wire staples or steel pins etc complete all as specified and directed by Engr-in-Charge.. (Note : GI barbed wire and MS angle are paid separately)

M&L Mild steel TMT bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and directed by Engr-in-Charge.

Ditto, but 5mm dia and over up to and including 10mm dia as in stirrups, spacers, binders complete all as specified and directed by Engr-in-Charge.

M&L for MS framed work such as grills, gratings, etc.. with ends of bars shouldered and/or riveted, or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work conforming to Fe.290.Gde-E-165 complete all as specified and directed by Engr-in-Charge.

M&L 15mm thick rendering in two layers of 10mm thick backing coat in CM 1:6 and 5mm thick floating coat in CM 1:4 mixed with water proofing compound (3% by wt of cement) on all external wall surfaces finished even and smooth without using extra cement complete all as specified and directed by Engr-in-Charge. (Note : Water proofing compound shall be measured and paid seperately)

M& L for preparation of newly plastered surfaces of wall and applying two coats of weather proof exterior acrylic emulsion paint with anti fungal property over a coat of primer complete all as specified and directed by Engr-in-Charge.

M& L for preparation of old surfaces of wall and applying two coats of weather proof exterior acrylic emulsion paint with anti fungal property over a coat of primer including complete removal of existing treatment of any description etc complete all as specified and directed by Engr-in-Charge.