Rehabilitation of Birsa Bridge at Km. 39.90 on NH-218 in the State of Jharkhand in the Year 2023-24.

Amount

Dismantling guard rails by manual means and disposal of dismantled material with all lifts and up to a lead of 1000 metres, stacking serviceable materials and unserviceable materials separately as per MORT & H specification and direction of E/I.

Dismantling of flexible pavements and disposal of dismantled materials up to a lead of 1000 metres, stacking serviceable and unserviceable materials separately as per MORT & H specification and direction of E/I.

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 as per MORT & H specification and direction of E/I.

Labour for Site Cleaning of Foundation ---do---as per MORT & H specification and direction of E/I.

Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material as per MORT & H specification and direction of E/I.

Plain/Reinforced cement concrete in super-structure PCC Grade M20 complete as per drawing and Technical Specifications as per MORT & H specification and direction of E/I.

Providing and laying rigid crash barrier in reinforced cement concrete, semi-rigid crash barrier with metal beam and flexible crash barrier with wire ropes have been made and included in chapter-8 on Traffic and Transportation. IRC-5 or Fig-2 as per MORT & H specification and direction of E/I.

Drainage Spouts complete as per drawing and Technical specification as per MORT & H specification and direction of E/I.

Replacement of Expansion Joints complete as per drawings as per MORT & H specification and direction of E/I.

Providing and laying of a strip seal expansion joint catering to maximum horizontal movement upto 70 mm, 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 as per MORT & H specification and direction of E/I.

Painting Two Coats on New Concrete Surface Painting two coats after filling the surface with synthetic enamel paint in all shades on new plastered concrete surfaces as per MORT & H specification and direction of E/I.

Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer's specifications including appropriate priming coat, preparation of surface and concrete surface etc. complete as per MORT & H specification and direction of E/I.

Providing and laying bituminous concrete Grading II with 100-120 TPH batch type hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 5.4 to 5.6 per cent of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MORTH specification clause No. 509 complete in all respects as per MORT & H specification and direction of E/I.

Providing and laying 25 mm thick mastic asphalt wearing course with paving grade bitumen meeting the requirements given in table 500-29, prepared by using mastic cooker and laid to required level and slope after cleaning the surface, including providing antiskid surface with bitumen precoated finegrained hard stone chipping of 13.2 mm nominal size at the rate of 0.005cum per 10 sqm and at an approximate spacing of 10 cm center to center in both directions, pressed into surface when the temperature of surfaces is not less than 100 0C, protruding 1 mm to 4 mm over mastic surface, all complete as per clause 515 as per MORT & H specification and direction of E/I.

Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg per sqm on the prepared bituminous/granular surface cleaned with mechanical broom as per MORT & H specification and direction of E/I.

Supplying, fitting and fixing in position true to line and level elastomeric bearing conforming to IRC: 83 (Part-II) section IX and clause 2005 of MoRTH specifications complete including all accessoriesas per MORT & H specification and direction of E/I.

Replacement of bearings complete as per Technical specification ( Lifting of Superstruture span by Jcaking from below I,e by placing the jack on pier & abutment Cap for span length of 30m & above as per MORT & H specification and direction of E/I.

Direction and Place Identification signs upto 0.9 sqm size board. (Providing and erecting direction and place identification retro-reflectorised sign asper IRC:67 made of encapsulated lens type reflective sheeting vide clause 801.3, fixed over aluminium sheeting, 2 mm thick with area not exceeding 0.9 sqm supported on a mild steel single angle iron post 75 x 75 x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45 x 45 x 60 cm, 60 cm below ground level as per approved drawing) as per MORT & H specification and direction of E/I.

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 as per MORT & H specification and direction of E/I.

Add 18% GST (in Basic Rate must fill 0.18)

Add 1% Labour cess (in Basic Rate must fill 0.01)

Hercules Structural Systems Pvt. Ltd.