Rehabilitation and Restoration of 3_three_ nos bridge at chainages 95.296 km _Jora Pole Bridge_ 99.200 km_Kalnagini Bridge_and km 79.065_Karanjali Bridge_of NH-117_New NH-12_under Reconstruction_ Repair_Rehabilitation of Bridge_Culverts under Annual

Amount

Removal of Unserviceable Soil with Disposal upto 1000 metres Removal of unserviceable soil including excavation, loading and disposal upto 1000 metres lead but excluding replacement by suitable soil which shall be paid separately as per clause 305 (Reference to MoRT&H's specification clause 301). For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Uprooting and removing plants from the surface of walls parapet etc and making good damages. Medium size plant of girth of exposed stem above 75 mm. but not exceeding 150 mm. lift upto 6 mtr. For Jora Pole Bridge and Kalnagini Bridge.

Removal of defective concrete, cleaning the surface thoroughly, applying the shotcrete mixture mechanically with compressed air under pressure, comprising of cement, sand, coarse aggregates, water and quick setting compound in the proportion as per clause 2807.1., sand and coarse aggregates conforming to IS: 383 and table 1 of IS: 9012 respectively, water cement ratio ranging from 0.35 to 0.50, density of gunite not less than 2000 kg/cum, strength not less than 25 Mpa and workmanship conforming to clause 2807.6 (Reference to MORT&H's specification 2807). Average thickness of shortcrete mixture = 40mm. For Jora Pole Bridge and Kalnagini Bridge.

Guniting concrete surface with cement mortar applied with compressor after cleaning surface and spraying with epoxy complete as per Technical Specification (Reference to MORT&H's specification 2807). For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Epoxy bonding of new concrete to old concrete (crack/spalling shall be sealed with epoxy injection/grouting coating of epoxy resin @ 0.80 kg/sqm should be applied) (Reference to MORT&H's specification 2805). For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Patching of damaged concrete surface with polymer concrete and curing compounds, initiator and promoter, available in present formulations, to be applied as per instructions of manufacturer and as approved by the Engineer (Reference to MORT&H's specification 2800). Thickness of patching = 25mm For Jora Pole Bridge and Kalnagini Bridge.

Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary,sorting the dismantled material,disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 metres (Reference to MORT&H's specification clause 202). Scarping Plaster in Lime or Cement Mortar from Brick/ Stone Masonry. For Jora Pole Bridge and Kalnagini Bridge.

Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary,sorting the dismantled material,disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 metres (Reference to MORT&H's specification clause 202) . For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Applying epoxy mortar over leached, honey combed and spalled concrete surface (@ 20-24 kg of Epoxy mortar/sqm) and exposed steel reinforcement complete as per Technical Specification (Reference to MORT&H's specification 2804). Thickness of epoxy mortar = 10mm For Jora Pole Bridge and Kalnagini Bridge.

Stitching crack in brick wall by carefully cutting out face brick 125 mm. deep into the wall, cleaning the gap and filling up the same with precast cement concrete block carefully set in cement mortar (1:3) including mending good damages and finishing the surface to match with adjacent areas complete as per direction. With reinforced cement concrete blocks (1:1½:3) with stone chips and nominal reinforcement. Block size 250 x 125 x 75 mm. For Jora Pole Bridge and Kalnagini Bridge.

Supplying, binding, fixing etc. including initial straightening, cutting to requisite length, hooking and bending to correct shape, placing in proper postion of uncoated HYSD reinforcement barin super-structure complete as per drawing and technical specifications (Reference to MORT&H's specification 1600). For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Furnishing and Placing Reinforced cement concrete in super-structure all including vibrating and compacting, finishing, curing, sampling, testing etc. by mechanically mixed as per clause1719 of MoRTH but excluding the cost of materials as per drawing and Technical Specification (Reference to MORT&H's specifications 1500, 1600, 1700 & 1800) RCC Grade M 30, Using Concrete Mixer, For solid slab super-structure, Height upto 5m. For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Providing and inserting nipples with approved fixing compound after drilling holes for grouting as per Technical Specifications including subsequent cutting/removal and sealing of the hole as necessary of nipples after completion of grouting with Cement/Epoxy (Reference to MORT&H's specification 2800). For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Sealing of crack/porous concrete with Epoxy Grout by injection through nipples complete as per clause 2803.1 (Reference to MORT&H's specification 2803) For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Dismantling and removing of Damaged Concrete Railing. For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Construction of pre cast RCC railing of M30 Grade, aggregate size not exceeding 12mm, true to line and grade, tolerance of vertical RCC post not to exceed 1 in 500, centre to centre spacing between vertical post not to exceed 2000 mm, leaving adequate space between vertical post for expansion, with a minimum 10 days curing complete as per approved drawing sand technical specifications (Reference to MORT&H's specifications 2703, 1500, 1600 & 1700). For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Drainage Spouts not less than 100 mm dia of corrosive resistance material, spacing not exceeding 10m. Complete as per drawing and Technical specification (Reference to MORT&H's specification 2705). For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Supplying & fixing of Hazard Markers of size :30cm X 90 cm as per IRC :79-1981 ( The above is inclusive of vertical post). For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Dismantling of Flexible Pavements and disposal of dismantled materials up to a lead of 1000 metres, stacking serviceable and unserviceable materials separately (Reference to MoRT&H's specification clause 202) By Manual Means. For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Providing and applying tack coat with Cationic bitumen emulsion (MS) complying with IS:8887 using emulsion pressure distributoron the prepared bituminous/granular /cement concrete pavement surface cleaned with mechanical broom and high pressure air jet (Reference to MORT&H's specification clause 503). For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Repairing Pot-holes with Bituminous Macadam (Grading-II, for compacted thickness of up to 75 mm) Filling Pot Holes with Bituminous Macadam using Mobile Hot Mix plant (6-10 TPH) with approved crushed aggregates of specified grading premixed with bituminous binder @3.4% by wt. of the total mix, transported to site and laid in the pot hole prepared before hand by cutting the edges to get a firm vertical face and by removing all the failed and loose materials including dust and applying tack coat evenly on the sides and on the surface as per specification, rolling the filled depression with 8-10 tonne smooth wheeled roller to achieve the desired compaction, including the cost and carriage of stone aggregates and bitumen, hire charges of machinery and equipment, cost of fuel and lubricants and wages of all operational staff, quality control except the cost of tack coat complete as per direction of Engineer-in-charge. Payment to be made on the basis of the loose net volume of the stone aggregates used in the work. For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Providing and laying 25mm thick Mastic asphalt wearing course with paving grade bitumen meeting the requirements given in table 500-39,prepared by using mastic cooker and laid to required level and slope after cleaning the surface, including providing antiskid surface with bitumen precoated fine grain hard stone chipping of 13.2 mm nominal size at the rate of 0.005 cum per 10 sqm and at an approximate spacing of 10 cm center to center in both directions,pressed into surface when the temperature of the surface is not less than 100* C,protruding 1 mm to 4 mm over mastic surface,all complete as per clause 516 (Reference to MORTH's specification clause 516) For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Steel Structure of Bridge Plate Girder/Semi Through Girder Supplying of all types of structural steel conforming to Fe 410 B / Fe 490 of IS 2062, fabrication, assembling, erection/slewing/end launching of steel girders (not requiring traffic block) upto 45.7m span on sub structure including provision of trolley refuges, if required complete as per approved drawing including one coat of zinc chrome primer to IS:104& one coat Zinc Chrome Red Oxide to IS 2074 and painting as per IRC-B- 1 on all members (detailed fabrication and erection drawings & lunching methodology will be prepared and got approved by the contractor from NH authority ). Rate includes fabrication of all types of battens bracings, ties, stiffeners, packing diaphragms, shop rivets/ welding, T&F bolts,drafts, shop welds templates , jigs, fixtures, back up supports, accessories, transporting various components from fabrication shop to site including loading, unloading, lift and taxes complete, assembly of girders on drifts/bolts. field riveting/welding, assembling of temporary support for side slewing, raising of girders to the bed block level, providing sliding arrangements and slewing the girder in position, lowering of girder on bearings and bed plates grouting holes in the bed block for fixing of HD bolts/anchor pins of bed plates. All tempporary arrangements, load testing may be done. The bearing sets to be provided with the girder will be paid separately . For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Road Marking with Hot Applied Thermo plastic Compound with Reflectorising Glass Beads on Bituminous Surface: Providing and laying of hot applied thermplastic compound 2.5 mm thick including reflectorising glass beads @ 250 gms. / sqm. area, thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35. The finished surface to be level, uniform and free from streaks and holes. (Reference to MORT&H's specification 803). For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

CATS EYE Supplying & fixing of Raised Pavement Markers/RoadStuds/Cats Eye made of polycarbonate moulded body and reflective panels with micro prismatic lens capable of providing total internal reflection of the light entering the lens face which shall support a load of 13635kg tested in accordance to AS TMD4280 Type H andc ompling to Specifications of Category A of Mo&TH Circular No.RW/NH/33023/10-97-DO III Dt.11.06.1997 &MoRT&H's specification for Road&Bridge Works (FifthRev.) .Marker heights hall not be less than 10mm and shall not exceed 20mm, width shall not exceed 130mm and with minimum reflective area of 13 sqcm on each side and slope to the base shall be 35±5 degree. Fixing will be with out nails but by using epoxy resin based adhesive as per manufacturer's recommendation including site clearence etc and complete as directed by the Engineerin Charge. The contractor will have to provide a test certificate from a reputable national/international laboratory comforming the above specifications. For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Hire and labour charges for staging with sal bullah for super structure of bridge (Major and Minor) including stripping off and removing clearing on completion of work as per design and drawing approved by the Engineer-in-charge. For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Uplifting of Superstructure span by jacking up from below by placing the jacks on pier / abutment caps for span weight as below: Upto 240MT For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Labour for M.S. work in Rolled steel joists, channels, angles. Tees, plates etc. including hoisting, placing in position including providing staging and removing after completion of works and cutting to sizes as required. For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Welding by gas / electric plant including transportation of welding plant at site including cutting, forging & drilling to required shape. For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Cleaning the concrete surface by removing dirt and debris, marking defective locations and removing loose concrete by careful stripping untill hard surface is exposed, cutting the concrete to regular shape, wire brushing the exposed surface and removing debris from site complete as per direction of the Engineer - in - Charge. For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Cleaning the exposed corroded Reinforcement as well as worn out concrete by sand blasting with air compressor including all materials , hire charges of machineries and labour etc. all complete as per technical specification and direction of the Engineer-in-Charge. For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Applying Exterior grade Acrylic primer of approved quality and brand on plastered or cencrete surface old or new surface to receive decorative textured(matt finish) or smooth finish acrylic exterior emulsion paint including scraping and preparing the surface throughly, complete as per manufacturer's specification and as per direction of the EIC. Two coats. For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Applying Acrylic Emulsion Paint of approved make and brand on walls and ceiling including sand papering in intermediate coats including putty. Two coats. Standard Quality For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Providing and Painting of structural steel surfaces of bridge members by grit blast cleaning or centrifugal blasting with a suitable abrasive materials like crushed slag in accordance with clause-III of IS 6586 : 1989 immediately before painting , to make the surface free from grease, oil, rust and other foreign materials. The rate includes supply of abrasivesand, fuel, cost of paint including all transportation, lead, lift and labour charges, consumables, tools & plants complete in all respect but exclusive of cost for staging/scaffolding. Painting of approved Zinc-phosphate primer of DFT 65 micron followed by finish coat of Micaceous iron oxide pigmented drying oil type paint of DFT 75 micron. For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Providing anti-corrosive protective coating to inhibit the corrosion to HYSD reinforcements including two coats of anti-corrosive coatings of consumption as per manufacturer's specification, cleaning etc. complete as per the direction of the Engineer-in Charge. For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Replacement of damaged Concrete Railing. For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Anti carbonation Coating for protection of concrete surface from Carbonation by with two coats of single component solvent free, cold applied, pure acrylic polymer, (Anticarbonation Coating) breathable, elastomeric on a water based priming coat [Total 3 (three) coats including priming coats] having 50% elongation property, UV resistant capacity, non-toxic with asthetic view, eco friendly and low VOC (Volatile Organic Compound) material. The product complies with the requirements as laid out in as per ASTM D822. Recomended DFT (Dry Flim Thickness): 100-110 microns per coat. Top coat may have with 5% - 10% dilution if required and anti carb primer with 100% dilution with approx. DFT : 20 microns. Total system DFT should not be less than 230 microns for getting better anticarbonation property on concrete surface as per direction of Engineer in charge. For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Supplying. preparing and placement of ready mix non shrink cementious microconcrete having no metalic aggregate or chlorides for repairing and \iackting of damagedR.C.C.members. Themicro concrete should achieve a compressive strength not-- less than 10 MPaafter 24 hours. 40 Mpa after 7 days~3 and 50 Mpa aftre 28 days at 300C.It should have ~ unrestrained expansion in between 1 to 4%. flexural~ strength shall not be less than 5MPaafter 28 days. Micro concrete should have a co-efficient of thermal expansion similar to that of the host concrete. For Jora Pole Bridge and Kalnagini Bridge.

For Karanjali Bridge.

Dismanteling of existing concrete and providing, supplying, laying of New R.C.C. Grade- M-30 for Replacement of Expansion Joints complete as per drawings. For Karanjali Bridge.

Providing and laying of a strip seal expansion joint catering to maximum horizontal movement upto 80 mm manufactured by MORT&H ,GOI Approved/Empanelled manufacturer and 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 (Reference to MORT&H's specification 2606) For Karanjali Bridge.

M/S A.T. MANDAL & SONS (BID ID -3233804)