Construction of Catwalk Bridge

Amount

Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in-Charge.Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead up to 50 m and lift up to 1.5 m, disposed earth to be levelled and neatly dressed.All kinds of soil

Cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 40 mm nominal size ) in pavements, laid to required slope and camber in panels as required including consolidation finishing and tamping complete

Drilling holes for providing anchor /dowel bars varying in depth and diameter in rock or concrete and cleaning the holes, grouting with cement grout (CM 1:2) after fixing dowel bars including cost of all materials, labour etc. complete as per specification and drawings, but excluding cost of steel reinforcement

Providing anchor bars of varying depth using Tor steel, bend, jumped, etc. including cost and conveyance of steel, labour charges, etc. complete as per the specifications and drawing as directed by the departmental officers.

Centering and shuttering including strutting, etc. and removal of form for:Foundations, footings, bases of columns, etc for mass concrete

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level:1:1:5:3 (1 cement 1.5 coarse sand :3 graded stone aggregate 20 mm nominal size

Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete upto plinth levelThermo - Mechanically Treated bars of grade Fe-500D or more

Drilling suitable holes in reinforced or plain cement concrete with power driven drill machine to a minimum depth of 100mm up to 200mm in RCC beams, lintels, columns, piers and slabs to place anchor bolts of suitable size including fixing the bolt in position using high strength materials like Conbextra GP2 or similar materials but excluding cost of bolts all complete as per direction of Engineer in charge.

Fabricating and supplying steel work welded in built up sections/framed work, including cutting, hoisting, fixing in position and painting with epoxy paint two coats over a ready mixed red oxide Zinc chromate primer etc.complete using structural steel etc. as required. In stringers, treads, landings etc. of stair cases, including use of chequered plate wherever required, all complete

Providing and fixing hand rails in G I tubular square hollow tubes including cutting, hoisting, fixing in position and painting with epoxy paint two coats over a ready mixed red oxide zinc chromate primer etc. Complete as per the direction of the deptl. officer at site

12 mm cement plaster of mix:1:4 ( 1 cement : 4 fine sand)

K J JOSE