Strengthening of Concrete Motorable Bridge (Chainage 1.40 Km from Asan Barrage)

Amount

Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion ype or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge.75 mm average thicknes.sIncluding supply of all material, labour, T&P etc required for proper completion of the work.

Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion ype or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge.50 mm average thickness.Including supply of all material, labour, T&P etc required for proper completion of the work.

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.

Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer In charge complete in all respect. Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved make

Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the engineer-in-charge, for the following grades of concrete.: Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 110% of the specified minimum cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement.Concrete of M40 grade with minimum cementcontent of 390 kg /cum.

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

Centering and shuttering including strutting, propping etc. and removal of form for.Lintels, beams, plinth beams, girders, bressumers and cantilevers.

Centering and shuttering including strutting, propping etc. and removal of form for.Lintels, beams, plinth beams, girders, bressumers and cantilevers.Columns, Pillars, Piers,Abutments, Posts and Struts

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

Providing and laying of 20mm compressible board in expansion joint for horizontal movement, complete as per approved drawings and standard specifications to be installed by the manufacturer/supplier or their authorised representative ensuring compliance to the manufacturer's instructions for installation complete work.

Providing and applying 2.5 mm thick road marking strips (retro- reflective) of specified shade/ colour using hot thermoplastic material by fully/ semi automatic thermoplastic paint applicator machine fitted with profile shoe, glass beads dispenser, propane tank heater and profile shoe heater, driven by experienced operator on road surface including cost of material, labour, T&P, cleaning the road surface of all dirt, seals, oil, grease and foreign material etc. complete as per direction of Engineer-in-charge and accordance with applicable specifications.

Providing and fixing drainage spouts complete as per IRC:SP-42 with 150 mm dia PVC pipe and down take length 1m as per engineer-in-charge.

Providing and fixing Glow studs of size 100x20 mm made of heavy duty body shall be moulded ASA (Acrylic styrene Acryloretrite ) or HIP (High impact polystyrene) or ABS having electronically welded micro- prismatic lens with abrasion resistant coating as approved by Engineer in charge. The glow stud shall support a load of 13635 kg tested in accordance with ASTM D4280. The slope of retro- reflective surface shall be 35 (+/-5) degress to base .The reflective panels on both sides with at least 12 cm of reflective area up each side. The luminance intensity should be as per the specification and shall be tested as described in ASTM I: 809 as recommended in BS: 873 part 4 : 1973. The studs shall be fixed to the Road surface using the adhesive conforming to IS, as per procedure recommended by the manufacturer complete and as per direction of Engineer-in-charge.

Providing and applying of anticorrosive treatment to exposed structural reinforcement by two coats of IPNET RB or equivalent with time interval of minimum 8 -10 hours between each coat after the application of two coats of alkaline rust converting primer. The application shall be done by brush or spray after cleaning existing reinforcement with wire / rotary wire brush to make the surfaces free from loose material, dirt, traces of corrosion etc. and throughly washing with water and allowing it to dry inclusive of all labour, materials, equipment etc. complete in all respect as per specifications and instructions of Engineer in Charge.

Providing and painting of Anticorrosive paint on exposed surface of superstructures and complete as per specifications and manufacture's recommendation by approved supplier as per the direction of Engineer-in-Charge.

Cleaning all pier/Abutment cap

Cleaning and removing vegetation as and where required (L/S )

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.

Drilling suitable holes in reinforced or plain cement concrete with power driven drill machine to a minimum depth of 100 mm upto 200 mm in RCC beams, lintels, columns and slabs to introduce steel bars for sunshades/ balconies including fixing the steel bars in position using epoxy resin anchor grout of approved make but excluding the cost of reinforcement, all complete as per direction of Engineer-In-Charge.Upto and including 12 mm dia

Drilling suitable holes in reinforced or plain cement concrete with power driven drill machine to a minimum depth of 100 mm upto 200 mm in RCC beams, lintels, columns and slabs to introduce steel bars for sunshades/ balconies including fixing the steel bars in position using epoxy resin anchor grout of approved make but excluding the cost of reinforcement, all complete as per direction of Engineer-In-Charge.Upto and including 16 mm dia

Drilling suitable holes in reinforced or plain cement concrete with power driven drill machine to a minimum depth of 100 mm upto 200 mm in RCC beams, lintels, columns and slabs to introduce steel bars for sunshades/ balconies including fixing the steel bars in position using epoxy resin anchor grout of approved make but excluding the cost of reinforcement, all complete as per direction of Engineer-In-Charge.Upto and including 20 mm dia

Semi Reflective Traffic Signs Providing and fixing of semi reflective cautionary, mandatory and informatory sign board as per IRC:67 made of 1.5 mm thick MS Sheet duly stove white colour in front and gray colour on back with red reflective border of 65 mm width and required letters and figures with reflective tape engineering grade a per Clause 1701.3.9 of MORD for Rural Roads of required shade and colour supported and welded on 47mm x 47 mm x 12 SWG sheet tube firmly fixed to the ground by mean of properly designed foundations with M-15 grade cement concrete 450x450x600 mm, 600 mm below ground level as per approved drawing Clause 1701.2.2

Cleaning of reinforcement from rust from the reinforcing bars to give it a total rust free steel surface by using alkaline chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry, all complete as per direction of Engineer In-Charge. Bars above 12 mm diameter

Shotcreting R.C.C. columns, beams and slabs etc. in layers with approved design mix concrete having the specified minimum characteristic compressive strength [with ordinary portland cement, coarse sand and graded stone aggregate of 10 mm maximum size in proportion as per design criteria] including the cost of centering and shuttering at edges and corners etc. as directed by Engineer- in-Charge Note: Rates shall include the providing necessary ground wires etc. The levelling gauges, if used, shall be paid for separately. Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding/tapping with a blunt metal instrument.75 mm thick in Grade M25 with cement content not less than 330 kg per cum

Providing and placing high strength non shrink pre- packed free flow micro concrete having compressive strength of 60 Mpa at 28 days (compressive strength of one day should not be less than 25MPa) as per specification. the micro cncrete mix shall be prepared by mixing non shrink per-packed free flow micro concrete powder with well graded cleaned crushed, aggregate 10mm &down (aggregate should be less than 10mm but retained on 3.36mm )in proportion of 2:1 (two part pre pack micro damaged area of structural elements excluding reinforcement but including scaggolding cuting including of all labour,material,equipment etc. complete as per specification and instruction of Engineer in charge.

Providing and inserting 12 mm dia galvanised steel injection nipple in honey comb area and along crack line including drilling of holes of required diametre (20 mm to 30 mm) up to depth from 30 mm to 80 m at required spacing and making the hole & crack dust free by blowing compressed air, sealing the distance between injection nipple with adhesive chemical of approved make and allow it to cure complete as per direction of Engineer In-Charge.

Providing and inserting 12 mm dia galvanised steel injection nipple in honey comb area and along crack line including drilling of holes of required diametre (20 mm to 30 mm) up to depth from 150mm at required spacing and making the hole & crack dust free by blowing compressed air, sealing the distance between injection nipple with adhesive chemical of approved make and allow it to cure complete as per direction of Engineer In-Charge.

Providing and injecting grout in proportion recommended by the manufacturer into cracks/honey-comb area of concrete/masonry by suitable gun/pump at required pressure including cutting of nipples after curing etc. complete as per directions of Engineer-in-Charge. (The payment shall be made on the basis of actual weight of approved grout injected.)Epoxy injection grout in concrete/RCC work of approved make

Applying epoxy mortar over leached, honeycombed and spalled concrete surface and exposed steel reinforcement complete as per Engineer-in charge complete work.

Patching of damaged concrete surface with polymer concrete and curing compounds, initiator and promoter, available in present formulations, to be applied as per instruction of manufacturer and as directed by the Engineer-in-charge complete work.

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). 25 mm thick

Dismantling of flexible pavement (bituminous courses) by mechanical means and disposal of dismantled material up to a lead of 1 kilometre, as per direction of Engineer-in-charge

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 equiped with electronic sensor to the required grade, level and alignment and rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction and density as per specification, complete and as per directions of Engineer-in-Charge.40/50 mm compacted thickness with bitumen of grade VG-30 @ 5.5% (percentage by weight of total mix) and lime filler @ 3% (percentage by weight of Aggregate) prepared in Batch Type Hot Mix Plant of 100-120 TPH capacity.

Providing and applying cement grout in stone masonry about 100mm thick complete work as per drawing/engineer in charge. (Qnty considered for estimate purpose actual qnty will be as per actual work)

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. Including supply of all material, labour, T&P etc required for proper completion of the work.

Removing dry or oil bound distemper, water proofing cement paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete. Including supply of all material, labour, T&P etc required for proper completion of the work.

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade: Two or more coats on new work Including supply of all material, labour, T&P etc required for proper completion of the work.

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade : One or more coats on old work.Including supply of all material, labour, T&P etc required for proper completion of the work.

Finishing walls with Acrylic Smooth exterior paint of required shade : New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/10 sqm)

Finishing walls with Acrylic Smooth exterior paint of required shade : Old work (Two or more coat applied @ 1.67 ltr/ 10 sqm) on existing cement paint surface Old work (One or more coat applied @ 0.90 ltr/10 sqm).

Hire charges of welding machine with single phase with welder, helper and electrodes etc. for repair and welding of gates, door, window etc. for 8 hrs. in a day complete with all material labour, T&P etc. required for proper completion of work.(As per previous approved Argreement/copy attached)

Engaging & of one no Hydraulic excavator cum loader machine (preferably JCB) having capacity 75 BHP with one operator and one helper .including cost of lubricants and repair maintenance etc. For removal of slip/landslide/excavation in dry and wet condition complete in all respect as per direction of I/C(As per approved analysis)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - 1:3:6 (1 Cement :3 coarse sand : 6 graded stone aggregate 40 mm nominal size). Including supply of all material, labour, T&P etc required for proper completion of the work

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 (zone-III): 3 graded stone aggregate 20 mm nominal size

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation7.5 in foundation and plinth in Cement mortar 1:6 (1 cement : 6 coarse sand). Including supply of all material, labour, T&P etc required for proper completion of the work.

Random rubble masonry with hard stone in superstructure above plinth level and upto floor five level,including leveling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20mm nominal size) at window sills, ceiling level and the like with Cement mortar 1:6 (1 cement : 6 coarse sand)Including supply of all material, labour, T&P etc required for proper completion of the work.

Pointing on stone work with cement mortar 1:3 (1 cement : 3 fine sand) :Raised and cut pointing.Including supply of all material, labour, T&P etc required for proper completion of the work.

Cement plum Masonry with 40% plum & 60% 1:3:6 cement concrete including supply of all material, labour, T&P etc. required for proper completion of the work. As per drawings and technical specifications Clause 802, 803, 1202 & 1203 of MORD Specifiction

Median Markers: Supply and fixing of Median markers made of tough high impact resistance injection moulded thermoplastic body having isosceles trapezoidal shape with dimensions not less than 120 mm X 100 mm X 100 mm and thickness not less than 18 mm. The marker must have fluoroscent yellow colour Type XI retroreflective sheeting (with a warranty of 10 years by the original sheeting manufacturer) fixed on both sides with size not less than 85 mm X 85 mm fixed with epoxy adhesive and grouting to the surface complete in all respect as per IRC accreditation and the direction of Engineer in Charge.

Providing and fixing post delineators made of ABS round body fitted with 2 nos 100 mm dia high reflective reflectors and mounted on MS pipe of 65 mm dia duly powder coated anti-rust and anti theft steel to be installed as per direction of Engineer-in-charge.

Metal Beam Crash Barrier Type - A, "W" : Metal Beam Crash Barrier (Providing and erecting a "W" metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 70 cm above road/ground level, fixed on ISMC series channel vertical post, 150 x 75 x 5 mm spaced 2 m centre to centre, 1.8 m high, 1.1 m below ground/road level, all steel parts and fitments to be galvanised by hot dip process, all fittings to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a spacer of channel section 150 x 75 x 5 mm, 330 mm long complete as per clause 810)

Providing and fixing double scaffolding system (cup lock type) on the exterior side of building/structure, upto 25 metre height, above ground level, including additional rows of scaffolding in stepped manner as per requirement of site, made with 40mm dia M.S. tube, placed 1.5 metre centre to centre, horizontal & vertical tubes joint with cup & lock system with M.S. Tubes, M.S. tube challis, M.S. clamps and staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for execution of work of cleaning and/ or pointing and/ or applying chemical and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connecting with the building etc, wherever required, if feasible, for inspection of work at required locations with essential safety features for the workmen etc., complete as per directions and approval of Engineer-in-charge.

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, for all lift, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.All kinds of soil.

12 mm cement plaster of mix : 1:6 (1 cement: 6 fine sand). Including all T&P etc. complete required for proper completion of the work as per direction of Engineer in charge

Providing and fixing G.I. chain link fabric fencing of required width in mesh size 50x50 mm including strengthening with 2 mm dia wire or nuts, bolts and washers as required complete as per the direction of Engineer-in charge Made of G.I. wire of dia 4 mm Including all T&P etc. complete required for proper completion of the work as per direction of Engineer in charge

Providing & Applying Pre- stressed carbon fiber laminates (1.2 mm thick and 100 mm wide) with compatible structural adhesive including. Grinding concrete substrate, cleaning it with wire brush removing oil, laitance if present, etc. complete. Applying compatible primer on prepared substrate, Filling the holes and uneven surface with thixo-tropic putty etc. complete. Marking the application area on structural element, cutting the plate to require size, applying compatible structural adhesive on plate in parabolic manner by adhesive laminating machine, paste the laminate on desire area by using tamping roller to avoid any air voids etc. complete. Applying second coat of saturant after min. 12hrs, rectify air voids if any paste the river sand on it to make surface rough to take any further finishes . (Mode of measurement: Per running Mt.)

Providing anchor for laminates ends complete work with plates, fasteners, labour, epoxy resin, drilling etc ( 2 nos in one laminates) as required as per drawing/Engineer-In-Charge complete work.

Y K Jain Company (BID ID -393805)

Parag Jain (BID ID -393615)

M/S V.P.S ENTERPRISES (BID ID -393793)

SUNSHINE ENGINEERING SOLUTIONS (BID ID -393335)