Rehabilitation and strengthening of Nehru Nagar Flyover (ROB) near Ashram on Ring Road, New Delhi

Amount

Centering and shuttering including strutting, propping etc. and removal of form for all heights.

Lintels, beams, plinth beams, girders, bressumers and cantilevers

Columns, Pillars, Piers, Abutments, Posts and Struts

Extra for providing richer mixes at all floor levels. Note:- Excess/less cement over the specified cement content used is payable /recoverable separately. (a) Providing M-40 grade concrete instead of M-25 grade BMC/ RMC.(Note : Cement content considered in M-40 is @ 360 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) (a) All works above plinth level upto floor V level

Supplying and applying pre tested and approved water based concrete curing compound to concrete/ masonry surface, all as per manufacturer’s specification and direction of Engineer-in-charge. (a) Non pigmented wet curing compound.

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

Applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface (a) Water thinnable cement primer.

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade : (a) Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture.

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade (a) One or more coats on old work

Dismantling steel work in built up sections in angles, tees, flats and channels including all gusset plates, bolts, nuts, cutting rivets, welding etc. including dismembering and stacking within 50 metres lead.

Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of (a) G.S. Sheet.

Dismantling aluminum/ Gypsum partitions, doors, windows, fixed glazing and false ceiling including disposal of unserviceable surplus material and stacking of serviceable material with in 50 meters lead as directed by Engineer-in-charge.

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.

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.

Providing and applying tack coat using bitumen emulsion conforming to IS: 8887, using emulsion pressure distributer including preparing the surface & cleaning with mechanical broom (a) With medium setting bitumen emulsion

On W.B.M / W.M.M/ Cement Concrete Pavement @ 0.4kg/sqm

On bituminous surface @ 0.25kg/sqm

Providing and laying Dense Graded Bituminous Macadam 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 as per specifications to achieve the desired compaction and density, complete as per specifications and directions of Engineer-in-Charge. (a) 50 to 100 mm average 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 of 100-120 TPH capacity

Providing and laying Stone Matrix Asphalt (13 mm SMA) using crushed stone aggregates of specified grading, premixed with bituminous binder lime filler and cellulose fibre , 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 (5th revision) clause no. 515, complete in all respect and as per direction ofEngineer-in-Charge. 40/ 50 mm compacted thickness with bitumen of grade VG-40 @ 6% (percentage by weight of total mix) and lime filler @ 6% to 10% (percentage by weight of Aggregate) and bitumen coated cellulose fiber Pellets @0.45% of total mix, prepared in Batch Type Hot Mix Plant of 100-120 TPH capacity. (Cost of using Extra /less bitumen over 6.00% shall be paid/ recovered separately as per approved Job Mix design subject to minimum 5.80% and maximum 6.20%)

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 laying 60mm thick factory made cement concrete interlocking paver block of M -30 grade made by block making machine with strong vibratory compaction, of approved size, 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 at or near ground level factory made kerb stone of M-25 grade cement concrete in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement: 3 coarse sand), including making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5mm), including making drainage opening wherever required complete etc. as per direction of Engineer-in-charge (length of finished kerb edging shall be measured for payment). (Precast C.C. kerb stone shall be approved by Engineer-in-charge)

Providing and erecting 2.00 metre high temporary barricading at site as per drawing/ direction of Engineer-in-Charge which includes writing and painting, arrangement for traffic diversion such as traffic signals during construction at site for day and night, glow lamps, reflective signs, marking, flags, caution tape as directed by the Engineer-in-Charge. The barricading provided shall be retained in position at site continuously i/c shifting of barricading from one location to another location as many times as required during the execution of the entire work till its completion. Rate include its maintenance for damages, painting, all incidentals, labour materials, equipments and works required to execute the job. The barricading shall not be removed without prior approval of Engineer-in-Charge. (Note :- One time payment shall be made for providing barricading from start of work till completion of work i/c shifting. The barricading provided shall remain to be the property of the contractor on completion of the work).

Taking out existing kerb stones of all types from footpath/ central verge, including removal of mortar etc., disposal of unserviceable material to the dumping ground, for which payment shall be made separately and stacking of serviceable material within 50 metre lead as per direction of Engineer-in-Charge.

Taking out existing CC interlocking paver blocks from footpath/ central verge, including removal of rubbish etc., disposal of unserviceable material to the dumping ground, for which payment shall be made separately and stacking of serviceable material within 50 metre lead as per direction of Engineer-in-Charge.

Laying old cement concrete interlocking paver blocks of any design/shape laid in required line, level, curvature, colour and pattern over and including 50 mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineer-in-charge. (Old CC paver blocks shall be supplied by the department free of cost).

Laying at or near ground level old kerb stones of all types in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement : 3 coarse sand), including making joints with or without grooves (thickness of joints, except at sharp curve, shall not be more than 5 mm), including making drainage opening wherever required etc. complete as per direction of Engineer-in-charge. (Length of finished kerb edging shall be measured for payment). (Old kerb stones shall be supplied by the department free of cost).

Providing and applying integral crystalline slurry of hydrophilic in nature for waterproofing treatment to the RCC structures like retaining walls of the basement, water tanks, roof slabs, podiums, reservoir, sewage & water treatment plant, tunnels/subway and bridge deck etc., prepared by mixing in the ratio of 5 : 2 (5 parts integral crystalline slurry : 2 parts water) for vertical surfaces and 3 : 1 (3 parts integral crystalline slurry : 1 part water) for horizontal surfaces and applying the same from negative (internal) side with the help of synthetic fiber brush. The material shall meet the requirements as specified in ACI-212-3R-2010 i.e by reducing permeability of concrete by more than 90% compared with control concrete as per DIN 1048 and resistant to 16 bar hydrostatic pressure on negative side. The crystalline slurry shall be capable of self-healing of cracks up to a width of 0.50mm. The work shall be carried out all complete as per specification and the direction of the engineer-in-charge. The product performance shall carry guaranteed for 10 years against any leakage.

For horizontal surface one coat @1.10 kg per sqm

Drilling suitable holes of depth upto 200 mm in abutments, RCC girders, deck slab, piers, etc. with power driven drill machine to introduce steel bars as connectors / anchors 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. (a) Upto and including 16 mm dia.

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 (a) Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved make

Providing, mixing and applying SBR polymer (of approved make) modified Cement mortar in proportion of 1:4 (1 cement: 4 graded coarse sand with polymer minimum 2% by wt. of cement used) as per specifications and directions of Engineer-in-charge. Note: Measurement and payment: The pre-measurement of thickness shall be done just after the surface preparation is completed and 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 and/or the 75mm size cube crushing strength at the end of 28 days to be not less than 30 N/ mm2)

12 mm average thickness

25 mm average thickness in 2 layers

50 mm average thickness in 3 layers

Providing, erecting, maintaining and removing temporary protective screens made out of specified fabric with all necessary fixing arrangement to ensure that it remains in position for the work duration as required by the Engineer-in-charge. (a) Wooven PVC cloth.

Removal of loose concrete, traces of soots, grease, oil etc. from underneath of deck slabs, girder beams, cross girder, pier etc. using impact high frequency hammer/ chisel without damaging the existing concrete (if required) and by wire brush (Metallic Brushes only) including cleaning of existing concrete surface carefully by sand blasting. The item includes all necessary machinery, scaffolding compressor, coarse sand, cleaning the surfaces by air jet, disposal of unserviceable materials etc. complete as per specifications and instructions of Engineer in charge. (Surface area of the members shall be measured for payment purpose).

Providing and placing in position at all depths and heights Thermo- Mechanically Treated (TMT) Fe 500 D grade Reinforcement Bars including cutting, straightening, binding wire of 18 SWG i/c testing of materials complete as per approved drawings, specifications and as per directions of the Engineer-in-Charge. The cost of all taps & splices, testing, welding, stiffners, chairs and spacer bars, mechanical couplers for splicing 25mm and above dia shall be included in the quoted rates as per specifications.

Providing and applying of anticorrosive treatment to exposed structural reinforcement by two coats of IPNET RB or equivalent application with time interval of minimum 8 -10 hours between each coat after application of two coats of alkaline rust converting primer confirming to ASTM-B-117. 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 etc. inclusive of all labour, materials, equipment etc. complete as per specifications and instructions of Engineer in Charge. (Surface area of member shall be measured for payment purpose).

Sealing of the crack, voids porous concrete by injecting epoxy grout under a pressure of 4-5 MPa including providing nozzles/nipples of appropriate length, drilling of holes, inserting and fixing of nozzles/ nipple’s with approved fixing compound and epoxy putty in deck slabs, girders, piers caps etc. subsequently cutting/ removal of nozzles/nipples as necessary after completion of grouting as per technical specification \MoRT&H specifications (section 2800 and 2803) inclusive of all labour, materials, equipment etc. complete as per direction and instructions of Engineer-in-charge.

Sealing of the cracks voids and porous concrete by injecting ready mix prepacked polymer modified cementious grout under a pressure of 4-5 MPa including providing nozzle/nipples of appropriate length, drilling of holes, inserting and fixing of nozzles/nipples with approved fixing compound or epoxy putty in deck slabs, girder, pier, pier caps and sheathing of prestressed duct etc subsequently cutting removal of nozzles/ nipples as necessary after completion of grouting as per technical specifications including MORT&H specifications section 2800 and 2806 inclusive of all labour, materials, equipment etc. complete as per instruction of Engineer-in-charge.

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 25 MPa) . The micro concrete mix shall be prepared by mixing high strength, non shrink, pre-packed, free flow micro concrete powder with well graded cleaned crushed aggregates of 10mm & down size (Aggregates should be less than 10mm but retained on 3.36mm) in proportion of 2:1 (Two part pre-packed micro concrete powder : one part stone aggregates) by weight for repairing excessively damaged area of structural elements/Jacketing work/expansion joint repair etc. excluding reinforcement but including scaffolding, curing as per manufacturer's specifications inclusive of all labours, materials, equipment’s etc. all complete as per directions of Engineer-in-Charge. (Note:-High strength, Non shrink, prepacked, free flow micro concrete powder content considered in this item is 1450 kg/cum).

Supplying and applying non metallic composite Carbon fiber Low Modulas Prefabricated CFRP Strip 100 mm wide, 1.4mm thick (having dry fibre properties, modulus of elasticity not less than 160 GPa, tensile strength not less than 2800 MPa and density not less than 1.60 gm/cm3) including surface preparation by Grinding /moulding concrete, cleaning it with wire brush, removing oil, laitance etc.if present, rounding sharp edges to min 25mm. radius etc. complete, Profiling by applyng compatible epoxy adhesive @600 gms per metre (minimum) on the prepared surface, filling the holes and uneven surfaces with thixotrophic putty etc. complete, fixing the strip by tamping to avoid any air voids etc The same procedure shall be adopted for multiple layers with interval of 8 hrs between consequtive layers, rectifing air voids if any, complete as per the specifications, design and drawings and the direction of the Engineer-in-charge. The scope of work in the item includes: 1. The quantities are approximate and may vary as per the approved structural design for reinforcement of the structures using CFRP laminates for strengthening the structure. The structural design and drawings shall be provided by the department. 2. The item includes the cost of all operations involved to complete the job as per the Specifications and Conditions of Contract including the cost of arrangement of all material, machinery, Tools & Plants, manpower of all categories as per the directions of the Engineer-in-charge. 3. The item includes the cost of testing of all materials involved in the execution of the item as per the requirement given in the tender document. 4. The item includes all other incidental expenditures for completing the job as per the directions of the Engineer-in-charge.

Supplying and applying non metallic composite Carbon fiber wrapping system comprising of unidirectional fiber sheet 450 GSM (having dry fibre properties, modulus of elasticity not less than 230 GPa, tensile strength not less then 3700 MPa and density not less than 1.80 gm/cm3) and compatible saturant, including surface preparation by Grinding /moulding concrete, cleaning it with wire brush, removing oil, laitance etc.if present, rounding sharp edges to min 25mm. radius etc. complete, Profiling by applyng compatible primer on prepared surface, filling the holes and uneven surfaces with thixotrophic putty etc.complete, wrapping the fiber sheet by tamping to avoid any air voids etc. i/c fixing with required number of fiber anchors of minimum 10 mm diameter along the length of girder (both side) as per the drawing, driving and fixing the same upto minimum 75mm into parent concrete. Complete with respect to driving holes, cleaning with pressure air, making them free of dust and dirt, fibre sheet reinforcement shall be saturated by not less then 1.25 kg/sqm of saturating resin. The same procedure shall be adopted for multiple layers with interval of 8 hrs between consequtive layers, rectifing air voids if any, pasting the river sand on it to make surface rough to add any further finishes as per the specifications, design and drawings and the direction of the Engineer-in-charge. Overlaps and wastage will not be paid. Note : Carbon Fibre Shear Anchor shall be paid separately under item no.39. The scope of work in the item includes: 1. The quantities are approximate and may vary as per the approved structural design for reinforcement of the structures using CFRP wrapping system for strengthening the structure. The structural design and drawings shall be provided by the department. 2. The item includes the cost of all operations involved to complete the job as per the Specifications and Conditions of Contract including the cost of arrangement of all material, machinery, Tools & Plants, manpower of all categories as per the directions of the Engineer-in-charge. 3. The item includes the cost of testing of all materials involved in the execution of the item as per the requirement given in the tender document. 4. The item includes all other incidental expenditures for completing the job as per the directions of the Engineer-in-charge.

Supplying and applying non metallic composite Carbon fiber wrapping system comprising of unidirectional fiber sheet 600 GSM (having dry fibre properties, modulus of elasticity not less than 230 GPa, tensile strength not less then 3700 MPa and density not less than 1.80 gm/cm3) and compatible saturant, including surface preparation by Grinding /moulding concrete, cleaning it with wire brush, removing oil, laitance etc.if present, rounding sharp edges to min 25mm. radius etc. complete, Profiling by applyng compatible primer on prepared surface, filling the holes and uneven surfaces with thixotrophic putty etc. complete, wrapping the fiber sheet by tamping to avoid any air voids etc. i/c fixing with required number of fiber anchors of minimum 10 mm diameter along the length of girder (both side) as per the drawing, driving and fixing the same upto minimum 75mm into parent concrete. Complete with respect to driving holes, cleaning with pressure air, making them free of dust and dirt, fibre sheet reinforcement shall be saturated by not less then 1.25 kg/sqm of saturating resin. The same procedure shall be adopted for multiple layers with interval of 8 hrs between consequtive layers, rectifing air voids if any, pasting the river sand on it to make surface rough to add any further finishes as per the specifications, design and drawings and the direction of the Engineer-in-charge.Overlaps and wastage will not be paid. Note : Carbon Fibre Shear Anchor shall be paid separately under item no.39. The scope of work in the item includes: 1. The quantities are approximate and may vary as per the approved structural design for reinforcement of the structures using CFRP wrapping system for strengthening the structure. The structural design and drawings shall be provided by the department. 2. The item includes the cost of all operations involved to complete the job as per the Specifications and Conditions of Contract including the cost of arrangement of all material, machinery, Tools & Plants, manpower of all categories as per the directions of the Engineer-in-charge. 3. The item includes the cost of testing of all materials involved in the execution of the item as per the requirement given in the tender document. 4. The item includes all other incidental expenditures for completing the job as per the directions of the Engineer-in-charge.

Providing shear anchor of 10mm dia and 100mm long of high strength carbon firbre mesh with filling of hole with EPOXY, removing/ drawing out of the entrapped air etc. from the drilled hole all complete as per manufacture's specifications and directions of the Engineer-in-Charge. It shall include labour for mixing EPOXY resin, saturating the anchor with EPOXY, drilling the RCC/PSC members and inserting the saturated anchor inside the drilled hole.

Providing and fixing in position single strip seal expansion joints catering to horizontal movement upto 80 mm. The expansion joints shall contain single cell assembly comprising of edge beams, poly chloroprene seal, anchorage elements, support and control system, all steel sections protected against corrosion, welded with suitable anchoring arrangement as per MORTH/manufacturer’s specifications and approved design and drawing. Poly chloroprene seal shall be a preformed/extruded single strip of such a shape as to promote self- removal of foreign material during normal joint operation. All complete as per direction of Engineer-in-Charge. Note: (i) cost of design and drawing shall also be borne by the contractor for expansion joints and temporary arrangement for covering gap of expansion joint. (ii) The item includes the cost of providing and welding additional reinforcement steel where required and cost of shuttering, thermocol etc. (iii) Dismantling of existing damaged joints and concreting shall be paid separately. (iv) Expansion joint shall be provided with a warranty of trouble free maintenance of 15 years

Lifting of superstructure span by deploying appropriate Lifting System for span length up to 45 M with centralized power jack to facilitate for removing of existing bearing without damaging the girders, cleaning and removing the damaged bearings including its stacking. After completion of restoration of bearings at supports, lowering of deck shall be carried out to its original position without causing any damage to the deck and girder as per approved method statement and standard practice. The item includes all labour, materials equipment’s etc. complete as per specification and instructions of Engineer in Charge including MORT&H specification (5th Revision) clause 2810.

Providing , fitting and fixing in position true in line and level elastomeric bearings (conforming to IRC: 83 (Part-II) section IX and clause 2005 of MORTH specifications) on pedestals from pier cap / abutment cap for vertical loads, complete in all respect with all components including grouting with non-shrink cementatious grout as per specification. Item includes preparation of design and drawing and its approval from the Engineer-in-charge, manufacturing, testing, transportation to site, storage with all handling, lead, lift etc. and placing the permanent bearings in position. Cost of providing temporary bearings / supports as required and other incidental expenses (if any) shall also be included. Bearings shall be provided with a warranty of trouble free maintenance of 15 years.

Providing and fixing HDPE pipe of dia 160 mm as per specification including removal of existing dilapidated spouts/ pipes carefully without damaging the concrete surface, fixing with micro concrete with application of cementatious bonding coat inclusive of all labour, materials, equipment etc complete as per Clause 2705 of MORT&H specifications (5th revision) and direction and approval of Engineer-in-charge

Providing and painting with approved quality two or more coats of anti-carbonation paint, single component, flexible, elastomeric coating based on acrylic co-polymer coating and compatible primer coat as per manufacturer’s specifications and the direction of Engineer-in-Charge over un-plastered concrete surface of piers and superstructures after cleaning and removing dirt, dust, oil, grease, efflorescence to obtain an even surface and applying paint @0.44 kg per sqm and primer @ 0.22 kg per sqm, total dry film thickness (DFT) of the coating shall not be less than 150 microns including all scaffolding, testing of materials etc necessary tools, plants, machinery with all leads, lifts and depths and all related operations as required to complete the work as per drawings, specifications and directions of Engineer- in-Charge. Note:- The work shall be carried out only through approved applicator of manufacturer. The manufacturer/ applicator shall provide a guarantee of satisfactory performance of anti carbonation coating for 5 years through contractor.

Dismantling the existing strip seal expansion joint i/c structrual steel edge beam anchor plate etc. of the existing damaged expansion joint by cutting with gas cutter and breaking of concrete by mechanical means i/c disposal of rubbish & malba etc. complete as per the direction of the Engineer-in-Charge.

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.

Refixing of dismantled "W" metal beam crash barrier on railing beam including re-assembling and re-erecting all of its components like ISMC channel vertical posts, spacer channels and other fitments as required per direction of the Engineer-in-Charge.

Providing and Inserting of sustained release Corrosion inhibiting caplets which protect both anodic & cathodic sites and reduces Corrosion potential Ecorr by minimum 80 mV in conductive medium, including drilling 20mm holes into the concrete at a depth of 30-40 mm and inserts to be filled by polymer cement Putty. Spacing of capsules shall be- a) For RCC Columns- 1 Unit/ RMT from two opposite faces in staggered fashion b) For RCC Beams- 1 Unit/RMT from two faces in staggered manner or as per the direction of Engineer- in-charge. Material make: POWRTHROW of Krishna Conchem or ZERUST COR-TAB of Zerust Excor, CORTEC.

Providing and Fixing Embedded sacrificial Galvanic Anode for corrosion protection of reinforcement in concrete to corroding steel at 750mm center to center for the entire exposed area. Installation as per manufacturer’s specification. i. Remove loose concrete from around and behind of corroding reinforcement ii. Cleaning corroding steel thoroughly with wire brush to remove loose rust and rust stains iii. Soak the units in clean water for 20-30 minutes iv. Fasten the tie wires of Canode using pliers on the side or beneath the rebar to prevent free movement. Material: GALVASHIELD XP of FOSROC or CANODE of Krishna Conchem or MASTER PROTECT® 8065CP of BASF

Grouting Injecting low viscosity high molecular weight thermoset monomer by pressure and using injector with accessories till nozzles refused to accept the grout, Including, Mixing of materials: Mixing material components part a and part b in required quantities as per mfg. instruction by weigh batching Grouting: Fill the grouting gun with monopol .Maintain desired pressure in the gun by air compressor maintain the pressure at exit (3 to 4 kg/cm2) by monitoring pressure gauge at exit. Grout the material through prefixed nozzles in the structural elements still its refusal. Seal the nozzle with EPCO 1010 putty after the refusal. Monitor leakages through other nozzles while injecting grouting and seal them as per the requirement. Material: MONOPOL 250 H of Krishna Conchem or MASTERINJECT 1333 of BASF, FOSROC

Providing and applying of concrete penetrating, organic, water based, bipolar, calcium nitrate free, migratory corrosion inhibitor having pH of about 9.5 on concrete surface and having a migratory ability to a virtual extent of 100 mm inside concrete through pores to inhibit corrosion process on embedded steel at both cathodic and anodic ends by depassivating the electrochemical reaction in that region, thereby protecting reinforcement on all sides; application as per manufacturers specification. Rate should be inclusive of scaffolding at any height. (Mode of Measurement: RCC Surface Area of Application) Material: EPCO KP100 of Krishna Conchem or MASTERPROTECT 8000 CI of BASF, CONPLAST CN of FOSROC

Establishing exact location of Insitu reinforcement, foundation bolts, insert plates on RCC elements before repairs/ Anchoring/ Grouting/ core cutting etc. by using GPR scan including conducting adequate Nos. of reinforcement scanning in linear pattern of 100mm width for the Girder or Slabs to detect the steel reinforcement/ prestress tendons, conduits etc in existing RCC elements by using Ground/ Wall penetrating radar system comprising of three antennas for marking their locations. Providing reports of the same to consultant during the work.

Conducting Pre & Post repair testing of RCC structure by Conducting residual life analysis of RCC structures by measuring rate of corrosion ICor value for the given RCC element by Conducting adequate Nos. of tests for the condition assessment of RCC elements by non-electrical connection to rebar type, high precision sensor based, wireless testing tool for detail corrosion evaluation which will provide insitu details of - (1) Measurement of corrosion rate in Reinforcement, (2) Measurement of Real insitu Electrical resistivity of Concrete, (3) Measurement of accurate insitu Corrosion potential of Rebar, (4) Clear cover of Concrete, (5) Residual Life analysis, (6) Rate of loss of cross section of steel rebar’s inside concrete, (7) Contours of corrosion potential in RCC Element. (Mode of Measurement: Per point comprising of mapping of size max 1000 X 1000) mm. Consolidated Note : 1. Test report shall be submitted to Engineer-in-Charge after vetting from third party Govt. Institute. 2. Nothing extra shall be payable on A/c of engaging third party Govt. institute for testing of repaired RCC structures.

Credit for cost of scrap/salvage value of dismantled mild steel materials received from site, which will be the property of the contractor.

SANFIELD INDIA LIMITED