Provn of security fencing (chain link fencing) at COBs Chenmoho and S/ Chingnyu of 35Assam Rifles

Earth work in surface excavation not exc 30 cm depth but exceeding 1.5 m in width as well as 10 sqm on plan including disposal of excavated earth upto 50 m and lift upto 1.5 m, disposal soil to be leveled and neetly dressed all kinds of soil.

Excavating holes more than 0.10 cum and upto 0.5 cum including getting out the excavated soil, then returning the soil as required in layers not exc 20 cm in depth, including consolidating each deposited layers by ramming, watering etc, disposing of surplus excavated soil, as directed within a lid of 50 m and lift upto 1.5 m all kinds of soil.

providing and laying in posstion cement concrete of specified grade excluding the cost of centering and shuttering - All work upto plingth level 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size).

Providing and fixing strutural steel work riveted, bolted or welded in built up section for angle iron of size 75X75X6mm incl cutting drilling making holes notching wire with bolting etc.

Providing and fixing strutural steel work riveted, bolted or welded in built up section for angle iron for making Y angle top of size 65x65x6 mm incl cutting, drilling & making holes for bolting etc .

Providing and fixing MS flat iron strip 50x6mm size for seuring wire mesh incl necessary drilling & bolting etc.

Providing and fixing MS screw bolts (machine made) with hexagonal head at one end and screwed the other end to be fitted with one washer and one hexagonal nut 12 mm dia & 60 mm long.

Painting anti corrosive bitumastic paint of approved brand and menufacture to given an even shade (Two or more coats including priming coat on new work).

Providing and fixing G.I. chain link fabric fencing of required width inmesh size 50x50 mm including strengthening with 2 mm dia wire or nuts, bolts and washers as required complete as per the direction of Engineer-in-charge. Made of G.I. wire of dia 4 mm.

Providing and fixing concertina coil fencing with punched tape concertina coil 600 mm dia 10 metre openable length ( total length 90 m), having 50 nos rounds per 6 metre length, upto 3 m height of wall with existing angle iron 'Y' shaped placed 2.4 m or 3.00 m apart and with 9 horizontal R.B.T. reinforced barbed wire, stud tied with G.I. staples and G.I. clips to retain horizontal, including necessary bolts or G.I. barbed wire tied to angle iron, all complete as per direction of Engineer-in-charge, with reinforced barbed tape(R.B.T.) / Spring core (2.5mm thick) wire of high tensile strength of 165 kg/ sq.mm with tape (0.52 mm thick) and weight 43.478 gm/ metre (cost of M.S. angle, C.C. blocks shall be paid separately).

Reinforcement concrete cement work 1:1.5:3 (1 Cement : 1.5 greded stone aggregate: 3 coarse sand with 20 mm nominal grade) for tie beaam of size 200 x 200 mm.

Steel reinforcement TMT bar 16 mm dia 04 Nos & 8 mm dia stirrups @ 150 mm c/c for tie beam.

Centering and shuttering including strutting , propping etc and removal of form for tie beam.

Fencing with angle iron post placed at required distance embedded in cement concrete blocks, every 15th post, last but one end post and corner post shall be strutted on both sides and end post on one side only and provided with horizontal lines and two diagonals interwoven with horizontal wires, of barbed wire weighing 9.38 kg per 100 m (minimum), between the two posts fitted and fixed with G.I.staples, turn buckles etc. complete. (Cost of posts, struts, earth work and concrete work to be paid for separately). Payment to be made per metre cost of total length of barbed wire used. With G.I. barbed wire.