REPAIR / MAINTENANCE OF SECURITY WALLS, STEEL GATES, WICKET GATES, FENCING, CONCERTINA COILS, GATE PILLARS, BRICK WORK IN TECHNICAL AREA AND RESIDENTIAL AREA AT NPOL KOCHI

Dismantling wrought iron or mild steel work of any description not otherwise provided for complete all as specified and directed.

S& F rolled sections as in main and cross beams, columns , angles, hip and jack rafters; purlins where connected to common rafters of angle , pipe sections etc complete all as specified and directed.

S&F 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 baluster; walk ways; railings; framed work or water tanks and similar work conforming to Fe 290 Gde E 165 complete all as specified and directed.

M&L painting to new steel and iron surface exc 10 cm width or girth and applying two coats of synthetic enamel paint over 1 coat of primer including preparation of surfaces complete all as specified and directed.

M & L for PCC 1:2:4 type B-1 (121.5 mm gd aggregate) as in filling of post holes, bed block Ditto, in lintels upto 1.5m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs not provided for in Item 04028, water troughs and the like including weathering, slightly rounded or chamfered angles and throating, complete all as specified and as directed.

S & F Galvanised, 2 strand, steel barbed wire 2.24mm dia barbed with 2mm dia barbs at 75mm dia barbs at 75mm spacing’s and straining and fixing to any type of standard rails straining bolts, including, securing or tying at crossings with and provision of galvanised mild steel wire, staples or steel pins, etc. as directed (each line wire to be measured)

S&F concertina coil dia of coil 600mm to be fixed over security wall barbed wire fencing including all necessary fittings and clits coil stretched upto 06 to 08 mtr only over at any height complete all as specified and directed.

M&L for preparation of old painted steel surfaces of any description, over 10 cm width or girth, not otherwise described and applying one coat of synthetic enamel paint on gates, fencing post etc…... all as specified & directed by Engineer-in-charge.

Demolition of brick work or stone boulder masonry built in cement mortar complete all as specified and directed.

M&L pre cast concrete solid block masonry 1:3:6 type C1 (20mm graded aggregate) with solid block exceeding 10 cm in width and setting CM 1:6 complete all as specified and directed.