Repair/ Maintenance to fencing, barbed wire, concertina coil, painting over boundary walls and compound wall and other Misc B/R works at tech area at AF Stn Tezpur

Dismantling fencing wire mesh, any type, complete all as specified and as directed.

Dismantling security post or struts (mild steel or RCC) of any section, including taking out embedded portion and making good disturbed ground, complete all as specified and as directed.

Dismantling Barbed wire galvanised ,2 strand ,2mm dia barbed at 75mm spacing, complete all as specified and directed.

Supply and fix in repairs for galvanized 2 strand steel barbed wire 2.24mm dia barbed with 2.00mm dia barbs at 75mm spacings and straining, tightening and fixing to MS nibs embedded in pre-cast RCC fencing post or angle iron post, struts, etc. securing and tying at crossings with and provision of galvanized mild steel wire complete all as specified and as directed. Note: Each line wire shall be measured separately.

Fixing only galvanized steel wire chain link fencing any size or type fixed to mild steel fencing post with bolts etc, complete all as specified and as directed. Note:- (a) Supply of galvanized steel wire chain link fencing and S&F of mild steel round bars, mild steel flats, nuts, bolts & washers will be measured and paid separately.

Supply only galvanized steel wire chain link fencing any size or type, including binding wire / line wire etc., complete all as specified and as directed.

Dismantling concertina coil 600/700/900/1050 mm dia having 50-53 turns and apprixoimate wt 8.50-15 kg stretched to cover a distance of 5-7 running meter from existing mild steel fencing post complete all as specified and as directed.

S&F Concertina coil (reinforced punched barbed tape single layer) for fencing work complete all as per following specification and as directed : (i) Diameter of concertina coil: 1050mm. (ii) Number of turns in one concertina coil: 50 to 53 turns. (iii) Minimum weight of each coil: 15 kg. (iv) Coverage per coil: 6 RM. (v) Central core wire: Made from high tensile spring steel core wire conforming to IS-4454 dut hot dipped galvanished (conforming to IS-2629) with dia 2.59 mm (+/- 5%), UTS 145-160 Kg/Sq mm, Zinc Coating 250-300 gms/Sqm. (vi) Strips : Electro galvanished steel strip 0.5 mm (+/- 0.02 mm) thick conforming to IS-1573, Zinc coating- 120 gm/ Sqm and bituminished dipped, width or barbs 11 mm (+/- 5%), pitch of barbs 24 mm (=/- 0.5 mm). (vii) Clips : AISI 304-1.5 mm thick C and U clips 'C' Special type for fixing coil and RBT wire, 'U'clips special type for joining one coil to another coil and RBT wire to RBT wire jointing. (viii) No. of clips 125 for each coil. (ix) Handle and spikes to be provided as required.

M&L for PCC 1:3:6, type C-2 (using 40mm graded stone aggregate) as in foundation, filling and mass concrete including demolition of cement concrete of any description and in any position, complete all as specified and directed.

Supply and fix rolled mild steel as in joist, channel, angle or tee section, fixed independently with connecting base plate etc. as in fencing post, bend to shape, holes drilled/ notches cut out to receive MS bolts and barbed wire, embeded to concrete including tarring to steel work embeded to concrete, complete all as specified and as directed.