REPAIR/MAINTENANCE OF COMPOUND WALL FENCING, PATH, HARDSTANDING AREA, DRAINS ETC AT NAVY UNIT IN KALPAKKAM UNDER AGE(I) NAVY CHENNAI

Amount

Demolition of unreinforced cement Concrete of any description and in any position not otherwise specifically provided for complete all as specified and as directed by Engineer in Charge

Demolition of Reinforced cement Concrete of any description and in any position not otherwise specifically provided for complete all as specified and as directed by Engineer in Charge

M&L for providing Precast RCC 1:2:4, Type B-1 using 20mm graded stone aggregate as in landings, cover slabs [for manholes etc], chullah hoods, chajjas, water troughs, mangers, Shelves and similar articles with plain faces set in cement mortar 1:4 complete all as specified and as directed by Engineer in Charge

S&F Reinforcement TMT steel bars of 10mm dia and over, cut to length, bent to shape required including cranking, bending, spirally for hooping, hooking ends and binding with annealed mild steel wire not less than 0.9mm dia or securing with clips or welded complete all as specified and as directed by Engineer in Charge

Demolition of brickwork or stone/boulder masonry, built in cement mortar or cement lime lime mortar including all quoins, arches, pillars,etc, but excluding ashlar facings, dressed stonework and precast concrete articles complete all as specified and as directed by Engineer in Charge

M&L for Brickwork with fly ash bricks, straight or curved on plan exc 6m mean radius, built in ,built in CM 1:6 complete all as specified and as directed by Engineer in Charge

M&L for Brick work with flyash bricks , straight or curved on plan to any radius in half brick built in cement mortar 1:6 complete all as specified and as directed by Engineer in Charge

M&L for Brickwork with flyash subclass ‘B’ bricks in half brick thick honey comb walling, built in 1:6 CM complete all as specified and as directed by Engineer in Charge

Taking down cement plaster on brick walls including racking out joints, hacking for key, scrubbing down with water etc. complete all as specified and as directed by Engineer in Charge

M&L for rendering 15mm thick with CM 1:4 on fair faces of Brick masonry surfaces finished fair and even complete all as specified and as directed by Engineer In Charge

M&L for Cement concrete of type B1, 1:2:4 of (20 mm aggregate) in Benching/Coping , 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, water troughs and the like including weathering, slightly rounded or chamfered angles and throating, complete all as specified and as directed by Engineer in Charge

Supply only Integral Water Proofing Compound [ISI marked] of approved make.

Desilting of drains and culverts in any condition (including foul conditions) with necessary dewatering and temporary diversion of drain water as required complete and depositing silt at low level area complete all as specified and as directed by Engineer in Charge

M&L for Extra for forming fair finished drain or channel 30 cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred/stopped ends etc. complete all as specified and as directed by Engineer in Charge

Removing and Refixing in CM 1:4 of RCC cover slab for drain complete all as specified and as directed by Engineer in Charge

M&L for Designer cement concrete tiles 30cm x 30cm x 25mm thick, set, jointed and pointed in neat cement slurry with grey and cement pigment in floors over a screed bed of 20mm thick in cement mortar 1:6 complete all as specified and as directed by Engineer in Charge

S&F in repairs Galvanised. 2 strand, steel barbed wire 2.24mm dia barbed with 2mm dia barbs at 75mm spacings 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 in repairs of razor blade barbed concertina coil having minimum weight of 15.2 kgs (+) or (-) 5 % per coil stretched to a length of 10 to 12 mts to achieve 600mm dia as in fencing to steel posts and to another coil/MS nibs including fixing with special galvanized fastners such as clips,c clips,U clips all as specified and directed by engineer in charge. Note Linear length of coil after stretching and fixing shall be measured for purpose of payment.

M&L for preparation of newly plastered surface and applying two coat of Cement based paint over one coat of Primer on external surface of wall etc complete all as specified and as directed

S VENKATESAN

SK Guha and co