permenant flood damage restoration ( fdr ) to nh-56 at km 668 / 200 in the satate of gujarat. -dismantling of structures ( 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 ) cement concrete grade m-15 & m-20 3 excavation in ordinary rock by manual means ( excavation in ordinary rock using manual means including loading in a truck and carrying of excavated material to embankment site with in all lifts and leads upto 1000 metres ) 4 plain / reinforced cement concrete in open foundation complete as per drawing and technical specifications ( a ) for m-15 grade concrete. 5 plain / reinforced cement concrete in open foundation complete as per drawing and technical specifications ( a ) for m-20 grade concrete 6 plain / reinforced cement concrete in open foundation complete as per drawing and technical specifications ( b ) for m-25 grade concrete 7 reinforced cement concrete crash barrier ( provision of an reinforced cement concrete crash barrier at the edges of the road, approaches to bridge structures and medians, constructed with m-20 grade concrete with tmt reinforcement conforming to irc:21 and dowel bars 25 mm dia, 450 mm long at expansion joints filled with pre-moulded asphalt filler board, keyed to the structure on which it is built and installed as per design given in the enclosure to most circular no. rw / nh - 33022 / 1 / 94-do iii dated 24 june 1994 as per dimensions in the approved drawing and at locations directed by the engineer, all as specified ) m 20 grade concrete. 8 providing weep holes in abutments, wing walls, retaining walls, return walls etc. complete as per drawing and technical specifications clause 2706. 9 supplying, fitting and placing tmt bar reinforcement in sub-structure complete as per drawing and technical specifications 10 providing and laying of filter media with granular materials / stone crushed aggregates satisfying the requirements laid down in clause 2504.2.2. of morth specifications to a thickness of not less than 600 mm with smaller size towards the soil and bigger size towards the wall and provided over the entire surface behind abutment, wing wall and return wall to the full height compacted to a firm condition complete as per drawing and technical specification. 11 plain / reinforced cement concrete in open foundation complete as per drawing and technical specifications ( a ) for m-30 grade concrete 12 back filling behind abutment, wing wall and return wall complete as per drawing and technical specification { i } sandy material 13 providing and laying pitching on slopes laid over prepared filter media including boulder apron laid dry in front of toe of embankment complete as per drawing and technical specifications - stone / boulder 14 flexible apron: construction of flexible apron 1 m thick comprising of loose stone boulders weighing not less than 40 kg beyond curtain wall. 15 painting two coats on new concrete surfaces ( providing two coats after filling the surface with syntetic enamle pait in all shades on ne plaster / concrete surfaces ) including throughly brushing the surface to remove all dirt, dust, mortar drops and other foreign matter. 16 earth work for embankment including breaking clods, dressing with all lead and lift and includingwatering, rolling and consolidation of subgrade in layers at o.m.c. to required dry density, including filling the depressing, which occurs during the process using power roller of 8 tonne to 10 tonne all as per specification. 17 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 ) 18 providing temporary all weather diversion suitable for double lane traffic during the construction period of box culvert including providing earthwork for embankment as per site requirement, supplying, spreading and compacting m.c. metal 40 to 63 mm size for 150 mm thick wbm grade ii & providing 75 mm thick bsg. in single layer with providing all safety measures including red lamps / signals at night for traffic and maintaining the diversion in condition till completion of work etc.complete as directed