Construction of 25.00 mtr span RCC Box Girder bridge over Kholanal Khad on Bakhali Kholanal road at RD 10/980 SH C/o Sub Structure super structure and both side approaches

Amount

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. including carriage of material with in all leads and lifts and other incidentals and as per the direction of the Engineer-in Charge.

Earth work in excavation for structure as per drawing and technical specification clause 305.1 i/c setting out construction of shoring and bracing removal of stumps and other deletarious material and disposal up to any lead dressing of sides and bottom and back filling in trenches with excavated suitable material ordinary soil including carriage of material with in all leads and lifts and other incidentals and as per the direction of the Engineer-in Charge.

Providing and laying plain concrete 1:3:6( 1 cement : 3 sand :6 graded stone aggregate 25mm nominal size) in open foundation complete as per drawings and technical specification ncluding carriage of material within all leads and lifts and other incidentals and as per directions of Engineer-in-charge.

Providing and laying Plain cement concrete 1:3:6 (one cement : three sand : six aggregate) nominal mix in foundation with crushed stone aggregate 40 mm (forty millimetre) nominal size mechanically mixed, placed in foundation and compacted by vibration including curing complete including carriage of material with in all leads lifts or other incidentals or as per the direction of the Engineer-in Charge clause 2100

Plain/Reinforced cement concrete Grade M-20 (Twenty) in sub-structure complete as per drawing and MORTH technical specification clause 1500, 1700 & 2200and compacted by vibration and curing complete ,including carriage of material with in all leads and lifts and other incidentals and as per the direction of the Engineer-in Charge.

Plain reinforced cement concrete M-25 in substructure complete as per drawing and technical specification ( using concrete mixer ) RCC grade , including carriage of material with in all leads and lifts and other incidentals and as per the direction of the Engineer-in Charge. .

Supplying, fitting and placing HYSD bar reinforcement in sub-structure complete as per drawing and technical specifications including carriage of material with in all leads lifts and other incidentals or as per the direction of the Engineer-in Charge clause 1600 and 2200

Supplying, fitting and placing HYSD bar reinforcement in super-structure complete as per drawing and Technical specification including curing complete and carriage of material with in all leads and lifts and other incidentals or as per the direction of the Engineer-in Charge

Supplying, fitting and placing High tensile steel wire/ strands including all accessories for stressing, stressing operation and grouting complete as per drawing and technical specifications clause 1800.

Supplying, fitting and fixing in position true to line and level cast steel rocker bearing conforming to IRC: 83(Pt.-1) section IX and clause 2003 of MoRTH specifications complete including all accessories as per drawing and Technical Specifications including carriage of material with in all leads and lifts other incidentals or as per the direction of the Engineer-in Charge clause 2000 and 2200

Supplying, fitting and fixing in position true to line and level forged steel roller bearing conforming to IRC: 83(Pt.-1) section IX and clause 2003 of MoRTH specifications complete including all accessories as per drawing and Technical Specifications including carriage of material with in all leads and lifts and other incidentals and as per the direction of the Engineer-in Charge clause 2000 and 2200

Furnishing and placing Reinforced /Prestressed cement concrete in super structure for Box Girder as per technical specition clause 1500, 1600 & 1700 (M-35) . For box girder and balance cantilever.

Construction of precast RCC railing of M-30 (thirty) Grade, aggregate size not exceeding 12 mm (twelve millimetre), true to line and grade, tolurence of vertical RCC post not to exceed 1 in 500 (one in five hundred), centre to centre spacing between vertical post not to exceed 2000 mm (two thousand millimetre), leaving adequate space between vertical post for expansion, complete as per approved drawings and technical specifications including carriage of material with in all leads lifts and other incidentals or as per the direction of the Engineer-in Charge clause 2703,1500,1600 & 1700 .

Reinforced cement concrete approach slab M-20 ( Twenty) grade mechaniocal mixed and vibration including reinforcement and form work complete as per drawing and Technical specification including curing complete and carriage of material with in all leads and lifts and other incidentals or as per the direction of the Engineer-in Charge.clause 1500,1600 and 1700

Providing and fixing 6 mm (Six millimetere) thick mastic asphalt wearing course on top of deck slab excluding prime coat with paving grade bitumen VG-10 meeting the requirements given in the 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 fine grained hard stone chipping of 9.5 mm (Nine point five millimetre) nominal size at the rate of 0.005 cum. (Zero point Zero Zero Five Cubic metre) per 10 sqm. (Ten square metre) and at an approximate specing of 10 cm. (Ten centimetre) center to center in both directions, pressed in to surface when the tempreture of the surface is not less than 100 (Hundred) degree centigrade protruding 1mm to 4mm over mastic surface all completeas per clause 515 and 2702. including curing complete and carriage of material with in all leads and lifts and other incidentals or as per the direction of the Engineer-in Charge.

Providing and fixing 50 mm (Fifty millimetre) thick mastic asphalt 25 mm (Twenty millimetre) each wearing course with paving grade bitumen meeting the requirements given in the 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 fine grained hard stone chipping of 13.2 mm (Thirty point two millimetre) nominal size at the rate of 0.005 cum. per 10 sqm. (ten square metre) and at an approximate specing of 10 cm. (Ten centimetre) center to center in both directions, pressed in to surface when the tempreture of the surface is not less than 100 degree centigrade protruding 1mm to 4mm over mastic surface all complete as per clause 1500, 1600,1700. including curing complete and carriage of material with in all leads and lifts and other incidentals or as per the direction of the Engineer-in Charge.

Providing and laying of a strip seal expansion joint catering to maximum horizontal movement upto 70 mm (seventy millimetre), 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 including carriage of material with in all leads lifts and other incidentals or as per the direction of the Engineer-in Charge clause 2607

Drainage Spouts complete as per drawing and Technical specifications including carriage of material with in all leads,lifts and other incidentals or as per the direction of the Engineer-in Charge clause 1705

Back filling with Granular material behind abutment, wing wall and return wall complete as per drawing and Technical specification including carriage of material with in all leads and lifts other incidentals or as per the direction of the Engineer-in Charge clause 710.1.4 of IRC 78 and 2200

Providing weep holes in Brick masonry/Plain/Reinforced concrete abutment, wing wall/return wall with 100 mm (hundred millimetre) dia AC pipe, extending through the full width of the structure with slope of 1V :20H towards drawing foce. Complete as per drawing and morth Technical specifications including carriage of material with in all leads lifts and other incidentals or as per the direction of the Engineer-in Charge.clause 2000 and 2200

Back filling behind abutment wing wall and retainling wall complete as per drawing & technical specification clause 1204.3.8 and including carriage of material with in all leads and lifts and other incidentals and as per the direction of the Engineer-in Charge.

Providing weep hole in brick masonry/ stone masonry / plain reinforced concrete abutment , wing wall, return wall with 100mm dia.(one hundred millimetre diametre) PVC pipe extending through the full width of the structures with slope of 1V:20H (one vertical isto twenty horizontal) towards drawing face complete as per drawing and technical specifications clauses 614,709,1204.3.7 including carriage of material with in all leads and lifts and other incidentals and as per the direction of the Engineer-in Charge.

Vijay Kumar Sharma