Irrigation And Flood Control Department Tender

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. All kinds of soil.

Providing and laying 60mm thick faciory made cement concrete interlocking paver block of M -30 grade made by block making machine with strong vibratory compaction, of approved s;ze, design & shape, laid in required colour and pattern over and including 50mm thick compacted bed of coarse sand, filling the joints with line sand etc. all complete as per the direction of Engineer-in-charge.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:2:4 (1 Cement : 2 coarse sand : 4 graded stone aggregate 40 mm nominal size).

Providing and laying in position machine batched and machine mixed design mix M-35 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centering, shuttering, finishing and reinforcement, including admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer-in-charge.“(Note :- Cement content considered in this item is @ 430 kg/cum.“Excess/ less cement used as per design mix is payable/recoverable separately).All works upto plinth level

Providing and fixing in position 12 mm thick bitumen impregnated fibre board conforming to IS: 1838, including cost of primer, sealing compo-und in expansion joints.

Providing and fixing 100 mm dia G.I. drainage spouts as per details given in the complete as per drawing

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

Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Suspended floors, roofs, landings, balconies and access platform.

Edges of slabs and breaks in floors and walls Above 20 cm wide.

Extra for additional height in centering, shuttering where ever required with adequate bracing, propping etc., including cost of de-shuttering anddecentering at all levels, over a height of 3.5 m, for every additional height of 1 metre or part thereof (Plan area to be measured). Suspended floors, roofs, landing, beams and balconies (Plan area to be measured).

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

Providing and laying RMC of M-30 grade By using minimum 400kg of cement(43 grade, OPC) per cum of concrete in roads / streets manufactured in automatic RMC plant using coarse sand and graded stone aggregate of 20mm nominal size in appropriate proportion as per approved design criteria including transportation to site in transit mixer, including cost of admixture in recommended proportion as per IS9103 to accelerate/ retard setting of concrete to improve workability with out impairing strength and durability as per specification including spreading and compacting mechanically by using needle and surface vibratos, leveling to required slope & camber, finishing by floating & brooming with wire brushes etc. and curing including making provision for contraction / expansion, construction of cross / longitudinal joints of size 10mm wide 50mm deep by groove cutting machine, providing and filling joints with approved joint filler and sealants, etc. complete, as per direction of Engineer in-charge. (Cost of joint filler & sealants shall be paid for separately under relevant items). Note:- Cement content considered in M-30 is @ 400 kg/cum. Excess/less cement used as per design mix is payable/ recoverable separately M-30 RMC by using minimum cement @400 kg/cum. Cement concrete manufactured in automatic batching plant (RMC plant) including transportation to site in transit mixer.

Providing and applying tack coat using hot straight run bitumen of grade VG - 10, including heating the bitumen, spraying the bitumen with mechanically operated spray unit fitted on bitumen boiler, cleaning and preparing the existing road surface as per specifications : On W.B.M. @ 0.75 Kg I sqm.

Providing and laying bitumen mastic wearing course (as per specifications) with industrial bitumen of grade 85/25 conforming to IS : 702, prepared by using mastic cooker and laid to required level and slope, including providing antiskid surface with bitumen precoated fine grained hard stone chipping of approved size at the rate of 0.005 cum per 10 sqm and at approximate spacing of 10 cm centre to centre in both directions, pressed into surface protruding 1 mm to 4 mm over mastic surface, including cleaning the surface, removal of debris etc. all complete. (Considering bitumen using 10.2% as per MORTH specification). 40 mm thick.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m.