Construction of 280 m span PSC girder bridge in Km 15 of Bhaniyawala -Rishikesh motor road in Doiwala Block of District Dehradun under CRF

Amount

Excavation for Structures 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 by Mechanical Means.

Up to 3.0 M.

Up to 3.0 - 6.0 M.

Providing and Laying Cutting Edge of Mild Steel weighing 40 kg per metre for Well Foundation complete as per Drawing and Technical Specification.

Sinking of 6 m external diameter well (other than pneumatic method of sinking ) through all types of strata namely sandy soil, clayey soil and rock as shown against each case, complete as per drawing and technical specifications. Depth of sinking is reckoned from bed level. Sandy Soil Abutments 2 no. ( A1 , A2 )

Up to 3.0 M

Beyond 3 m upto 10 m depth

Beyond 10 m upto 20 m

Sinking of 6 m external diameter well (other than pneumatic method of sinking ) through all types of strata namely sandy soil, clayey soil and rock as shown against each case, complete as per drawing and technical specifications. Depth of sinking is reckoned from bed level. Sandy Soil Piers 6 no. ( P1 - P6 )

Depth below bed level upto 3.0 M

Beyond 3 m upto 10 m depth

Beyond 10 m upto 20 m

Plain/Reinforced Cement Concrete, in Well Foundation complete as per Drawing and Technical Specification Concrete to be placed using tremie pipe Using Batching Plant, Transit Mixer and Crane/concrete pump

Well curb RCC M 30 Grade (If curb concrete is carried out within steel liner, cost of formwork shall be excluded.)

Well steining RCC M-30

Bottom plug PCC M-20

Top plug PCC M-15

Well Cap RCC M-30

Sand Filling in Wells complete as per Drawing and Technical Specifications

Sand From Well

Carted Sand

Supplying, fitting and placing un-coated HYSD bar reinforcement in foundation complete as per drawing and technical specifications

Reinforced cement concrete in sub-structure complete as per drawing and Technical Specifications. RCC Grade M 30 Using Batching Plant, Transit Mixer and Concrete Pump

Height Up to 5.0 M.

Height 5.0 to 10.0 M.

Supplying, fitting and placing HYSD bar reinforcement in sub-structure complete as per drawing and technical specifications

Furnishing and Placing Reinforced/Prestressed cement concrete in super-structure as per drawing and Technical Specification Hight 5 to 10 M.

PSC Girder M 45

Supplying, fitting and placing HYSD bar reinforcement in super-structure complete as per drawing and technical specifications

High tensile steel wires/strands including all accessories for stressing, stressing operations and grouting complete as per drawing and Technical Specifications (Type 12 T 13)

Supplying, fitting and fixing in position true to line and level POT-PTFE bearing consisting of a metal piston supported by a disc or unreinforced elastomer confined within a metal cylinder, sealing rings, dust seals, PTFE surface sliding against stainless steel mating surface, completre assembly to be of cast steel / fabricated structural steel, metal and elastomer elements to be as per IRC: 83 part-I & II respectively and other parts conforming to BS: 5400, section 9.1 & 9.2 and clause 2006 of MoRTH Specifications complete as per drawing and approved technical specifications. (Including the Cost of Bearing Assembly)

Drainage Spouts complete as per drawing and Technical specification

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-40 grade concrete with HYSD 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.

Construction of precast RCC railing of M30 Grade, aggregate size not exceeding 12 rm mm, 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, complete as per approved drawings and technical specifications.

Bituminous Concrete (Providing and laying bituminous concrete 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 % 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) for Grading-I (bituminous binder @ 5.2 % of mix )

Mastic Asphalt (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 fine-grained 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 not less than 1000C, protruding 1 mm to 4 mm over mastic surface, all complete as per clause 515.)

PCC M15 Grade leveling course below approach slab complete as per drawing and Technical specification

Reinforced cement concrete (M 30) approach slab excluding reinforcement and formwork complete as per drawing and Technical specification

Providing and laying of 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

Providing weep holes in Brick masonry/Plain/Reinforced concrete abutment, wing wall/return wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V :20H towards drawing foce. Complete as per drawing and Technical specifications

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.

Painting on concrete surface (Providing and applying 2 coats of water based cement paint to unplastered concrete surface after cleaning the surface of dirt, dust, oil, grease, efflorescence and applying paint @ of 1 litre for 2 Sq.m.)

Painting Two Coats on New Concrete Surfaces (Painting two coats after filling the surface with synthetic enamel paint in all shades on new plastered concrete surfaces)

Providing and constructing one span service road to reach island location from one pier location to another pier location

Providing and constructing temporary island 16 m diameter for construction of well foundation for 8m dia. Well. Assuming depth of water 1.0 m and height of island to be 1.25m.

Load test after completion of bridge as per IRC code provision, inclusive of mobilization, loading, field measurement & submission of report complete in all respect.

doon associates