Public Works Department Tender

providing and laying cement concrete in retaing walls, return walls.walls (any thickness)incl-uding attached pilasters, columns, piers, abutments, posts, strutts, butresses string or lacing the cost of centring and shuttering .All works upto plinth level. course, parapets, copying, bed locks, anchors block, plain windowsills, filets etc upto floor v levelincluding curring but excluding the cost of centring, shuttering and finishing with 1:2:4 (1 cement :2coarse sand:4 graded stone aggregates 20mm nominal size)

Centering and shuttering including strutting, propping etc. and removal of form workfor foundation.footing,bases of columns

Retaining walls, return walls, walls of any thickness including attached pillasters, buttresses, plinth and string course fillets kerbs and steps etc.

suspended floors, roofs, landings, balconies and acess platforms

providing and laying in position machine batched and machine mixed design mix m-25 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 admixture in recommended propertions as per IS:9103 to accelerate, retard setting of concrete.improve workability without imparing strength and durability as per direction of engineer in-charge. Note : Cement in this item is @330kg/cm. Excess or less cement used as per design mix is content considered payable or revoverable seperately.

Providing M -30grade concrete instead of M-25 grade BMC/RMC( cement content considered in M-30 is @340 kg/cm

Providing M-40 grade concrete grade instead of M-25 grade Note: cement content considered in M-40 is @360kg/cum)

steel reinforcement for RCC work including straightening, cutting bending, placing in position and binding all complete upto plinth level i) thermo-mechinically treated bars of grade Fe-500D

providing and laying filter media behind abutment walls with granular material /stone crushed aggregates satisfying the requirements laid down in clause 2504.22 as per drawing and technical specifications to a thickness not less than 600mm with smaller size towards soil and bigger size towards wall and provided over entire surface behind abutment wing/return wall to the full height compacted to a firm condition complete.

providing and fixing in position to girders 50mm nominal bore GI pipe as rails with all clamps and painting complete as per drawing and technical specifications.

providing,fabricating of steel truss girders and bridge structural frame work in superstructure of bridge as per drawing and codal requirements, transporting,hoisting and fixing in position complete with all temporary supports as required structural steel for trusses, Girders and beams using structural steel of Grade E-250 conforming to IS 2062. the cost includes all weldings,nut bolts of m-24 of 8.8 HSFG Grade as perdetailed drawings. Allfabricated sections shall be provided with one coatof approved primer in the shop. enamel paint of approved shade and colour shall be applied at siteover second coat of approved primer-wrought iron and mild steel welded work (using angles, squarebars, tees and chanelsgrills, grattings frames, gates, tree guards of any size and design etc.) including cost of screens & welding rods or bolts and nuts and studs as shear connectors complete fixing in position as per drawings/morth specifications

labour charges for assembling partially fabricatedquantity of steel trussed girder as per drawing (for span No. 6) including cutting, welding and making holes for M-24 bolts of 8.8HSFG grade incl. hoisting, launching complete & cleaning of rust & buffing incl. one coat of approved primer in the shape enamel paint of approved shade and colour. colour shall be applied at site over second coat of approved primer wrought iron and mild steel work incl.cost of welding rods but excluding cost of material.

P/F of nut/bolts of 8.8 HSFG grade/as per drawing (for already fabricated quantity

providing and fixing in position 250mmx250mm and 200mm deep drainage boxes with 600mm long, 100mm dia pipe with grating at top in galvinised iron rain water collection boxes-drainage spouts complete as per drawing and technical specifications.

construction of granular sub-base by providing close graded material confirming to specifications, mixing in a mechanical mix plant at OMC, carriage of mixed material by tippers to work site, for all leads & lifts, spreading in uniform layers of specified thickness with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete asper specifications and directions of Engineer -in-charge with material confrming to grade-I(size range 75mm to 0.075mm) having CBR value -30

supplyand and laying, spreading and compacting stone aggregates of specified sizes to WBM specifications in uniform thickness, hand picking, rolling with 3 wheeled road/vibratory roller 8-10 tonne capacity in stages to proper grade and camber, applying and brooming requisite type of screening/ binding material to fill up interstices of coarse aggregate, watering and compacting to the required density.

90mm to 45 mm

63mm to 45mm

53mm to 22.4mm

providing and applying tack coat using hot straight run bitumen of grade-vg-30, including heating the bitumen, sraying the bitumen with mechanically operated spray unit fitted on bitumen boiler, cleaning and preparing the existing road surface as specifications on W.B.M @0.75 Kg/sqm

providing and laying bituminous macadam using crushed stone aggregates of specified grading premixed with bituminous binder,transported to site by tippers,laid over a previously prepared surface with paver finisher equipped with electronic sensor to the required grade,level and alignment and rolling with smooth wheeled, vibratory and tandem rollers as per specifications to acheive the desired compaction and density, complete as per specifications and directions of Engineer I/c 50 to 100mm average compacted thickness thickness with bitumen of grade VG-30@3.5%(percentage by weight of total mix)prepared in Batch type hot mix plantof 100-120 TPH capacity.

Providing and laying semi dense bitumens concrete using crushed stone aggregate of specified grade, pre-mixed with bitumunous binder and filler, transporting the hot mix to work site by tippers, laying with pavour finisher equiped with electronic sensor to the required grade, level and alignment and rolling with smooth wheeled, vibratory and tandom rollers to achieve the desired compaction and density as per specifications, complete and as per direction of Engineer I/c. 25mm compacted thickness with bitumen of grade VG-30@5%(percentage by weight of total mix)and lime filler@2%(percentage by weight of aggregate) prepared in batch type hot mix plant 100-120 TPH capacity.

providing and laying seal coat of pre mixed fine aggregate (passing 2.36mmand retained on 180micron sieve)with bitumenusing 98 kg of bitumen of grade VG-30 bitumen per cum of fine aggregate and 0.60cum of fine aggregate per 100 sqm of road surface including rolling and finishing with road all complete.

Providing and laying Bituminous concrete using crushed stone aggregates of specified grading, premixed with bituminous binder and filler,transporting the hot mix to work site by tippers, laying with paver finisher,equipped with electronic sensor to the required grade,level and alignment and rolling withsmooth wheeled, vibratory and tandem rollers to acheive the desired compaction and density as per specifications,complete and as per directions of engineer-in-charge. 40/50mm compacted thickness with bitumen of grade VG-30 @5.5%(percentage by weight of total mix) and lime filler @3.3(percentage by weight of aggregate) prepared in batch type hot mix plant of 100-120TPH capacity.

providing weep holes in abutment walls/wing walls/retaining walls using 100mmdia PVC pipe with filter media in full width of structure with slope 1v:20H towards drawing face complete as per drawing and technical specifications

providing and laying Non-pressure of specified class RCC pipes including collars/spigot jointed with stiff mixture of cement mortar in the propertions of 1:2(icement:2 fine sand)including testing of joints etc complete (NP3 ,1200MMDia)

providing and fixing of wire-crate of 4mm dia G.I wire mesh 100x100mm weaved diagonally,complete including cost of material, carriage,stretching and binding top after filling with stone boulders but including cost of weaven wire crates.providing and laying of boulder apron laid on wire crates made with 4mmdia wire conforming to IS-280&IS-4826 in 100mm mesh (weaved diagonally)including 10% extra for laps &joints laid with stone boulders weighing not less than 40 kgs each

Providing,Filling and laying,hand packed nallah boulders in crate work including loading ,unloading,cost of material and carriage upto site of work complete as per directions of Engineer I/c

Diversion of flowing river using mechanical excavator for excavation in nallah and making guide bund/cofferdams at pier location for fabrication, hoisting and launching of steel truss girders

Note : Departmental materialif used by contractor i.e strutural steel lying at site shall be deducted @ Rs 75/Kg