Strengthening work for bridge along Dakpathar Barrage and its Head Regulator bridge at Dakpathar, Dehradun

Amount

Chipping of unsound/weak concrete material fromslabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type 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.

75mm average thickness (CPWD DSR 2023 26.28.1)

50mm average thickness (CPWD DSR 2023 26.28.2)

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 meters lead as per direction of Engineer - in- charge. (CPWD DSR 2023 15.3)

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 2.20sqm/kg of approved make (CPWD DSR 2023 26.31.2)

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.

Providing & Laying Design M-40 grade concrete (Note : Min Cement content considered in M-40is @390 kg/ cum) (CPWD DSR 2023 5.33.2.4)

Centering and shuttering including strutting, propping etc. and removal of form work for :

Wall (any thickness) including attached pilasters, buttresses, plinth and string coursesetc.(CPWD DSR 2023 5.9.2)

Lintels, beams, plinth beams, girders, bressumers and cantilevers. (CPWD DSR 2023 5.9.5)

Column , pillars, Pier, Abutments, Posts and struts .(CPWD DSR 2023 5.9.6)

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 Fe-500Dormore. (CPWD DSR 2023 5.22A.6)

Providing and laying of a strip seal expansion joint catering to maximum horizontal movement up to 40 mm, complete as per approved drawings and standard specifications to be installed by the manufacturer/supplier or their authorized representative ensuring compliance to the manufacturer's instructions for installation complete work. (NSI)

Providing and applying 2.5mm thick roadmarking 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. (CPWD DSR 2023 16.62)

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

Providing and fixing Glow studs of size 100x20mm 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. (CPWD DSR 2023 16.5)

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 thoroughly 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 Engineerin Charge. (NSI)

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. (NSI)

Cleaning of all Pier/Abutmen. (NSI)

Cleaning and removing vegetation as and where required. (NSI)

Disposal of building rubbish / malwa / 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. (CPWD DSR 2023 15.6)

Drilling suitable holesin reinforced or plain concrete with power driven drill machine to a minimum depth of 100 mm to 200mm 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.

Up to and including 12mmdia. (CPWD DSR 2023 26.30.1)

Up to and including 16mmdia. (NSI)

Up to and including 20mmdia. (NSI)

Providing and fixing retro reflecting sign bords. (NSI)

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 12mm diameter.(CPWD DSR 2023 26.29.2)

Shotcreting inlayers 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.

75 mm thick in Grade M 25 with cement content not less than 330 kg per cum. (CPWD DSR 2023 26.38.3)

Painting on Railing complete work as per Engineer-in-Charge (NSI)

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) as per specifications. The micro concrete mix shall be prepared by mixing non shrink pre-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 concrete powder: one part stone aggregate) by weight for repairing excessively damaged area of structural elements excluding reinforcement but including scaffolding, curing inclusive of all labour, materials, equipment etc. complete as per specifications and instructions of Engineer-in-Charge. (NSI)

Providing and inserting 12mm dia galvanised steel injection nipple in honey comb area and along crack line including drilling of holes of required diameter (20mm to 30mm)up to depth from 30mm to 80mm at required spacing making the hole & cracks 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-incharge. (CPWD DSR 2023 26.39)

Providing and inserting 12mm dia galvanised steel injection nipple in honey comb area and along crack line including drilling of holes of required diameter (20mm to 30mm) up to depth 150 mm at required spacing making the hole & cracks 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. (NSI)

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)

Epoxyinjection groutin concrete/RCC work of approvedmake. (CPWD DSR 2023 26.35.3)

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 saturate after min. 12hrs, rectify air voids if any paste the river sand on it to make surface rough to take any further finishes . (NSI)

Providing anchor for laminates ends complete work with plates, fastner, labour, epoxy resin, drillingetc ( 2nos in one laminates) (NSI)

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

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 Engineerin-charge complete work. (NSI)

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)

25mm thick. (CPWD DSR 2023 16.37.1)

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. (total thickness for removal considered 150mm). (CPWD DSR 2023 15.59)

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 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. (CPWD DSR 2023 16.57.1)

Providing and fixing in position and level Elastomericbearings of size 500mm x 360 x 100 mm thick confirming to IRC:83 (Part-II) complete with all respect and as per drawing/as directed by Engineer-in-charge. (NSI)

Providing and fixing jacks/steel structure arrangement for replacing the bearings of bridge as required. (NSI)

Providing and laying of 20mm compressible board inexpansion jointfor horizontal movement , complete as per approved drawings and standard specifications to be installed by the manufacturer/supplier or their authorized representative ensuring compliance to the manufacturer's instructions for installation complete work. (NSI)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources) Including supply of all materials, labour and T&P etc. required for proper completion of the work.(CPWD DSR 2023 4.1.2)

Road Studs / Cat Eye: Providing and fixing of single mould twin shank reflective road studs of ‘category A’ Raised pavement markers made out of poly carbonate/ABS moulded body. Two cylindrical Polymer Shanks of not less than 20 mm diameter and not less than 30 mm length shall be molded in the RPM body. The reflective raised pavement markers shall also confirm to the MORTH circular No RW/ NH. 33023/10/ 97-DO.III and the length ,height and width of the body shall not be less than 100 mm, 15 mm and 90 mm and base marker shall be flat within 1.3 mm and outermost faces of configuration of marker shall not deviate more than 1.3 mm from a flat surface. The marker shall support a load of 13635 Kg tested in accordance with ASTM D4280. The area of each etro reflectory surface shall not be less than 13.0 sq.cm. The slope or retro reflectory surface shall be 35 + 5 degree to base. (PWD SOR Miss- FY- 2022-23, Code No. 5-2)

Solar Road Studs:Providing and fixing Solar Powered Road Studs (Rectangular) of size not less than 100mm x 100 mm x 10 mm or (Circular) of dia 130+/- 6mm and height 30 +/- 2mm (with 8 super bright LEDs for long visibility from distance greater than 800 m) having twin shank and body made of aluminium alloy and poly carbonate material which shall be absolutely weather resistant and strong enough to support a load of 13635 kg tested in accordance with ASTM D 4280 and water resistance as per IP 65 in accordance with IS 12063:1987, fixed to the road surface using adhesives and the procedure recommended by the manufacturer as per Clause No. 804.6 and 804.7 of MORTH specifications. (PWD SOR FY- 2022-23, Code No. 5-3)

Attending minor type of repair for full day by engaging and supplying one suitable Helper/Mali/Beldar/ mazdoor/Labour for carrying simple type of repairing of all work including all T&P etc. complete but excluding cost of material. (NSI)

Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement, with 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) : 3 graded stone aggregate 20 mm nominal size).. (As per DSR 2023, Code No- 5.3)

Centring and shuttering including strutting,ropping etc. and removal of form for Shelves etc.(Cast in situ) (As per DSR 2023, Code No- 5.9.4)

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete: (CPWD DSR 2023,Building Works, Code No- 10.2)

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 (As per DSR 2023, Code No- 16.70.1)

Providing and fixing stainless steel ( Grade 304) railing made of Hollow tubes, channels, plates etc., including welding, grinding, buffing, polishing and making curvature (wherever required) and fitting the same with necessary stainless steel nuts and bolts complete, i/c fixing the railing with necessary accessories & stainless steel dash fasteners , stainless steel bolts etc., of required size, on the top of the floor or the side of waist slab with suitable arrangement as per approval of Engineer-incharge, (for payment purpose only weight of stainless steel members shall be considered excluding fixing accessories such as nuts, bolts fasteners etc.) (CPWD DSR 2023,Building Works, Code No- 10.28)

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 surfac (As per DSR 2023, Code No- 13.111.1)

Painting Steel work with Deluxe Multi Surface Paint to give an even shade. Two or more coat applied @0.90 ltr/10 sqm over an under coat of primer applied @ 0.80 ltr/ 10 sqm of approved brand or manufacture. ( As per DSR 2023, No-13.48.3)

Providing Ultra-Violet resistant, fiber reinforced, non shrink, abrasion resistant, high strength, Cementitious repair mortar confirming to E 1504-3 Class 4 for pointing and resurfacing treatment of masonary/concrete surface, confirming technical parameter as specified in technical specification. Including supply of all material, labour, T&P etc required for proper completion of the work as per direction of Engineer-in-Charge. (NSI)

Fabrication work in built up sections/ framed work,chain link fencing etc. including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using old structural steel etc. as required In gratings, frames, guard bar, ladder,railings, brackets, gates and similar works (excluding cost of steel ).(NSI)

THE FREYSSINET PRESTRESSED CONCRETE COMPANY LIMITED (BID ID -377047)