Providing Concertina Coil and Barbed Wire Fencing from Subway to Kattangal along Calicut-Mukkam Road

Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor etc., up to floor five level, excluding the cost of centering, shuttering and finishing:

1:2:4 (1 Cement : 2 coarse sand (zone-Ill) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

Centering and shuttering including strutting, propping etc. and removal of form work for:

Columns, piers, abutments, pillars, posts and struts

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 2.4m 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 (2.5 mm 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)

Providing and fixing factory made intermediate Y-arms at 2.50 m c/c and straining Y-arms at first post, every 16th post, last end post and corner post, consisting of MS angle 50×50×5 mm as per IS 2062, each arm of length 510 mm angled at 120° having 3 nos. of slots of 6 mm width at an angle of 45° and 12 mm diameter hole at the end of slot at a depth of 25 mm. The Y-arms shall be coated with one coat of primer and two coats of epoxy paint of specified colour.