Repair and Rehabilitation work of Minor Bridge of Tulungia-Jogighopa (3rd Call)

Amount

Bituminous Concrete work

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.)-Ordinary soil:Mechanical Means with dewatering: Depth upto 3 m

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.)-Ordinary soil:Mechanical Means with dewatering: Depth 3 m to 6 m

Plain/Reinforced cement concrete in open foundation complete as per drawing and technical specifications including steel shuttering forrmwork: Without plasticiser: PCC Grade M15

Plain/Reinforced cement concrete in open foundation complete as per drawing and technical specifications including steel shuttering forrmwork: Without plasticiser:RCC Grade M30: Using Batching Plant, Transit Mixer and Concrete Pump

Reinforcement in foundation :Supplying, fitting and placing un-coatedTMT bar reinforcement in foundation complete as per drawing and technical specifications : From primary sources: TATA/SAIL/Esser Steel/Jindal steel/Shyam steel: TMT Corrosion Resistance Steel (CRS) reinforcement bar of Fe-500 N/mm2

Plain/Reinforced cement concrete in sub-structure complete as per drawing and technical specificationsRCC Grade M30: Height upto 5m:With Batching Plant, Transit Mixer and Concrete Pump

Supplying, fitting and placing TMT bar reinforcement in sub-structure complete as per drawing and technical specifications :From primary sources: TATA/SAIL/Esser Steel/Jindal steel/Shyam steel: TMT Corrosion Resistance Steel (CRS) reinforcement bar of Fe-500 N/mm2

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

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification : Granular material

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification : Sandy material & Earth From Private Land

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.

Providing and laying boulders apron on river bed for protection against scour with stone boulders weighing not less than 40 kg each complete as per drawing and Technical specification.

Providing and laying Filter material underneath pitching in slopes complete as per drawing and Technical specification

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.

Plain/Reinforced cement concrete in open foundation complete as per drawing and technical specifications including steel PCC Grade M15 For Toe Wall

Seeding and Mulching (Preparation of seed bed on previously laid top soil, furnishing and placing of seeds, fertilizer, mulching material, applying bituminous emulsion at the rate of0.23 litres per sqm and laying and fixing jute netting, including watering for 3 months all as per clause 308)

Providing and laying 12 mm thick mastic asphalt wearing course on top of deck slab excluding prime coat 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 9.5 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 100 deg. C, protruding 1 mm to 4 mm over mastic surface, all complete as per clause 515.

Providing and laying Bituminious wearing course comprising of tack coat with bitumen emulsion CSS-1 h as per APWD SOR item no 5.2 & MoRT&H Specification Nos 503,6mm thick mastic asphalt as per APWD SOR item no 14.5& MoRT&H Specification no 515 &2702 and 2 layer of 25 mm thick asphalt concrete including of close Graded Premix Surfacing (CGPS) material with Type -a aggregate as per APWD SOR item no 5.11 & MoRT &H Specification Nos 512 including all lead and lift as directed.

Tack coat 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.(Including cost of testing of materials at sitfe and laboratory as directed by the depttt.)

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

Replacement of Reinforced cement concrete approach slab including reinforcement and formwork complete as per drawing and Technical specification: With TATA make TMT CRS(Fe-500) grade rebar

Removal of existing asphaltic wearing coat comprising of 50 mm thick asphaltic concert laid over 12 mm thick mastic asphalt including disposal with all lift and lead upto 1000 m.

Replacement of Damaged RCC railing

Replacement of Expansion Joints complete as per drawings

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)

M/S. Prakalpa