Demolition and Reconstruction of Two Lane Bridge at RD 0m of Mungeshpur Drain

Construction of coffer dam made of earth and protected with earth filled gunny bags/ HDPE bags placed on either side slope of coffer dam of suitable dimension as per requirement at site of work to withstand the pressure of standing/flowing water of the drain in order to keep the working area free from incoming water/water coming through any broken water mains and subsequent removal upon completion of work upto DBL of the drain to the satisfaction of the Engineer-in-charge.

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

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.

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.

Extra for every additional lift of 1.5 m or part thereof in excavation /banking excavated or stacked materials.All kinds of soil.

Surface dressing of the ground including removing vegetation and in equalities not exceeding 15 cm deep and disposal of rubbish, lead up to 50 m and lift up to 1.5 m. All kinds of soil

Extra for laying concrete in or under water and/or liquid mud including cost of pumping or bailing out water and removing slush etc. complete.Note for item No. 4.15 :- The quantity will be calculated by multiplying the depth measured from the sub-soil water level up to centre of gravity of concrete under sub-soil water level with quantity of concrete in cum executed under sub-soil water. The depth of centre of gravity shall be reckoned correct to 0.1m. 0.05m or more shall be taken as 0.1m and less than 0.05m ignored.

Providing and laying in position ready mixed plain cement concrete, with cement content as per approved design mix and manufactured in fully automatic batching plant and transported to site of work in transit mixer for all leads, having continuous agitated mixer, manufactured as per mix design of specified grade for plain cement concrete work, including pumping of R.M.C. from transit mixer to site of laying and curing, excluding the cost of centering, shuttering and finishing, including cost of curing, 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 the Engineer-in-charge.”Note : Excess/less cement used than specified in this item is payable/ recoverable separately. M-10 grade plain cement concrete (cement content considered @ 240 kg/cum)All works upto plinth level

Providing and laying in position ready mixed plain cement concrete, with cement content as per approved design mix and manufactured in fully automatic batching plant and transported to site of work in transit mixer for all leads, having continuous agitated mixer, manufactured as per mix design of specified grade for plain cement concrete work, including pumping of R.M.C. from transit mixer to site of laying and curing, excluding the cost of centering, shuttering and finishing, including cost of curing, 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 the Engineer-in-charge.”Note : Excess/less cement used than specified in this item is payable/ recoverable separately. M-10 grade plain cement concrete (cement content considered @ 220 kg/cum)All works upto plinth level

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

Centring and shuttering including strutting, propping etc. and removal of form for.Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Centring and shuttering including strutting, propping etc. and removal of form for.Suspended floors, roofs, landings, balconies and access platform.

Centring and shuttering including strutting, propping etc. and removal of form for.Columns, Pillars, Piers, Abutments, Posts and Struts

Centring and shuttering including strutting, propping etc. and removal of form for.Vertical and horizontal fins individually or forming box louvers band, facias and eaves boards

Centring and shuttering including strutting, propping etc. and removal of form for.Edges of slabs and breaks in floors and walls. Under 20 cm wide

Centring and shuttering including strutting, propping etc. and removal of form for.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 and decentering 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.

Providing and fixing in position 12mm thick bitumen impregnated fiber board conforming to IS: 1838, including cost of primer, sealing compound Grade-A in expansion joints.

Extra for providing richer mixes at all floor levels. Note:- Excess/less cement over the specified cement content used is payable /recoverable separately.Providing M-35 grade concrete instead of M-25 grade BMC/RMC. (Note : Cement content considered in M-35 is @ 350 kg/ cum

Providing and laying in position ready mixed M-25 grade concrete for reinforced cement concrete work, using cement content as per approved design mix, manufactured in fully automatic batching plant and transported to site of work in transit mixer for all leads, having continuous agitated mixer, manufactured as per mix design of specified grade for reinforced cement concrete work, including pumping of R.M.C. from transit mixer to site of laying , excluding the cost of centering, shuttering finishing and reinforcement, including cost of 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 the Engineer-in-charge..(Note :- Cement content considered in this item is @ 330 kg/cum. Excess/less cement used as per design mix is payable/recoverable separately)All works upto plinth level

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in:Cement mortar 1:6 (1 cement : 6 coarse sand)

Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Providing and fixing bolts including nuts and washers complete.

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works.

Chequerred precast cement concrete tiles 22 mm thick in footpath & courtyard, jointed with neat cement slurry mixed with pigment to match the shade of tiles, including rubbing and cleaning etc. complete, on 20 mm thick bed of cement mortar 1:4 (1 cement: 4 coarse sand).Ordinary cement without any pigment

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A including jointing with seal ring conforming to IS : 5382 leaving 10 mm gap for thermal expansion.(i) Single socketed pipes.110 mm diameter

Providing and fixing to the inlet mouth of rain water pipe cast iron grating 15 cm diameter and weighing not less than 440 grams.

12 mm cement plaster of mix :1:6 (1 cement : 6 Coarse sand)

Finishing walls with water proofing cement paint of required shade :New work (Two or more coats applied @ 3.84 kg/10 sqm)

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade :Two or more coats on new work

Pumping out water caused by springs, tidal or river seepage, broken water mains or drains and the like.

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable 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)

Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge.In cement mortar

Providing and fixing at or near ground level factory made RCC pavement slab of M-30 grade of size 450x450x50 mm, including reinforcement with 6 mm dia M.S. bars 4 nos on each side, including setting in position in footpath to the required level and line over a bed of 20 mm average thick cement mortar 1:5 (1 cement : 5 coarse sand), having joint thickness not more than 5mm except on curve, including filling of joints with same cement mortar and making grooves etc. complete as per direction of Engineer-in-charge.

75 mm thick back filling for pitching including supplying of required materials and consolidation etc. complete with :Moorum

75 mm thick back filling for pitching including supplying of required materials and consolidation etc. complete with :Stone aggregate 20 mm nominal size

75 mm thick back filling for pitching including supplying of required materials and consolidation etc. complete with :Stone aggregate 40 mm nominal size

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

Boring, providing and installation bored cast-in-situ reinforced cement concrete piles of garde M-25 of specified diameter and length below pile cap, to carry a safe working load not less than specified, excluding the cost of steel reinforcement but including the cost of boring with bentonite solution and temporary casing of appropriate length for setting out and removal of same and the length of the pile to be embedded in the pile cap etc. by Crawler mounted, telescopic boom hydraulic pilling Rig all complete, including removal of excavated earth with all its lifts and leads (length of pile for payment shall be measured up to bottom of pile cap).Note: Truck Mounted rotary/TMR/Tube well boring machine shall not be used.1000 mm dia piles

Providing and fixing neoprene bearing of approved brand and manufracture as per specification & approved drawings.

Supply of earth including royalty excavation, loading, unloading and carriage by mechanical transport and banking the same in layer not exceeding 20cm in depth breaking clods watering rolling each layer with ½ tone roller or wooden or steel rammer sand dressing up in embankment for roads, flood banks, marginal banks and guide banks or filling up ground depressions with all lead & lifts in all kind of soil.

Providing and laying factory made Precast concrete solid blocks of 200 mm thickness of grade M10 made of C&D waste from approved manufacturer in foundation and plinth in:Cement mortar 1:6 (1 cement : 6 coarse sand)

Vertical load testing of piles in accordance with IS 2911 (Part IV) including installation of loading platform by Kentledge/Anchor piles method and preparation of pile head or construction of test cap and dismantling of test cap after test etc. complete as per specification & the direction of Engineer in-charge. Note: 1. Initial and Routine Load Test shall not be carried out by Dynamic method of testing. Note: 2. Testing agency shall submitt the design of loading platform for the approval of Engineer-in-charge. Group of two or more piles upto 50 tonne Safe capacity : Routine test (Test Load 1.5 times the Safe capacity)

Providing and applying two coats for anti corossive treatment of reinforcement bars of corrosion inhibitor solution of approved quality and manufacture (manufacture having valid license from CECRI) Pattern No.109784/67), Kodaikamal, Tamilnadu) including making slury of cement byadding inhiibitor solution to ordinary portland cement in the ratio of 0.6:1 (i.e. 600 cc of inhibitor 1 kg of cement) as specified by the manufacturer , applying first coat of slurry uniformly on surface of reinforcement steel bars by brushing of dipping in sheds area and removing rust and iron oxide remanants etc from the bars using brush before applying the slurry and drying the coated bars on drying platform from 12-24 hours before cutting and bending and then applying second coat in the ratio of 0.45 : 1 9 i.e. 450 cc of inhibitor : 1 Kg. of cement) and drying in the same manner before placing in position.

Preparing the surface to ensure complete removal of mill scale by grit blasting confirming to SA 2.5 to achieve rust free surface specification and providing & applying inorganic zinc silicate & Epoxy Zine phosphate primer and Acrillic polyurethane paint finish as per specification.

Providing and laying (RMC) of M-30 grade by using minimum 400kg of cement (43 grade O.P.C.) per cum of concrete, in roads/streets using manufactured in automatic RMC using coarse sand and graded stone aggregate of 20mm nominal size in appropriate as per approved design criteria, including transportation to site transit mixer, including cost of so mixture in recommended proportion as per IS 9103 to accelerates/ retard setting of concrete to improve workablity with out impairing strength and durablity as per specification including spreading and compacting mechanically using needle and surface vibrators, 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 (10mm wide x 50mm deep) by groove cutting machine providing and filling joints with approved joint filler and sealants, complete all 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 @ 400kg/cum. less cement used as per design mix is / Recovery separately M-30 @ 400kg/Cum cement manufactured in automatic batching plant (RMC plant) including transpotation to site in transit mixture.