RCC Bridge No. 1/1 on Gormora to Solmari

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. i. Ordinary soil: Mannual Means ( With out dewatering): Depth upto 3m

providing PCC M15 as per Drawing and technical specification

Plain/Reinforced cement concrete in Open-foundation complete as per drawing and technical specifications and steel shuttering formwork as per specification A. PCC Grade M25: Height upto 5m : Case I Using concrete Mixer

Reinforcement in Foundation: Supplying, fitting and placing TMT IS:1786 Fe500 D bar reinforcement in foundation complete as per drawing and technical specifications a. TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser Steel/ Jindal panther steel/ Shyam steel or equivalent)

providing PCC/RCC in Sub structure M25 as per Drawing and technical specification

Supplying, fitting and placing a. TMT IS:1786 Fe500 D bar reinforcement in Foundation complete as per drawing and technical specifications a. TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser Steel/ Jindal panther steel/ Shyam steel or equivalent)

Providing weep holes in Brick asonry/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 specification

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification II) Sandy material

Furnishing and placing Reinforced/Prestressed cement concrete in super-structure as per drawing and technical specifications including steel shuttering formwork. i. without plasticiser (A)RCC Grade M 25 CASE-(I), Using Concrete mixer (i) For T -Beam and slab, (a) Height upto 5.0m

Supplying, fitting and placing a. TMT IS:1786 Fe500 D bar reinforcement in superstructure complete as per drawing and technical specifications a. TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser Steel/ Jindal panther steel/ Shyam steel or equivalent)

Providing and laying Cement concrete wearing coat M-30 grade including reinforcement complete as per drawing and Technical Specifications

Construction of precast RCC railing of M30 Grade in situwith 20mm nominal size aggregate true to line and grade, tolurence 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

Drainage Spouts complete as per drawing and Technical specification.

Burried Joint (Providing and laying a burried expansion joint, expansion gap being 20 mm, covered with 12 mm thick, 200 mm wide galvanised wieldable structural steel plate as per IS: 2062, placed symmetrical to centre line of the joint, resting freely over the top surfaces of the deck concrete, welding of 8mm dia, 100mm long galvanized nails spaced 300mm C/C along the center line of the plate , all as specified in clause 2604.)

Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, saplings and trees of girth upto 300 mm, removal of stumps of such trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per Technical Specification Clause 201.

Embankment Construction with Material Obtained from Borrow Pits(Construction of Embankment with approved materials obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300.1 and 300.2 ( including compensation of earth)(Including cost of testing of materials at site and laboratory as directed by the deptt. as per technical specification (A) From private land

Construction of Sub grade and Earthen Shoulders (Construction of Sub grade and Earthen Shoulders with approved materials obtained from borrow pits, with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table 300.2 ( including compensation of earth)(Including cost of testing of materials at site and laboratory as directed by the deptt. as per technical specification i. From private land

Granular Sub-Base with Coarse Graded Material ( Table:- 400- 2):( Construction of granular sub-base by providing coarse graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with vibratory roller to achieve the desired density, complete as per clause 401 ( including all lead , transporting to site) Material as per technical specification 401: (I) for grading- II Material

Supplying, fitting and fixing RCC guard post size 15cm dia 150cm long, 75cm above ground and 75cm below ground, with 4-12m Tor steel main steel and 6mm MS stirrups at 30cm c/c/ tied in position with annealed black wire, cement concrete proportion 1:2:4 with broken stone aggregate up to 20mm size including cantering moulding the top, curing, painted black and white alternately in 23cm strips up to 0.75m from the top having reflective band 2 nos. of desired shade etc. as per design and direction complete

Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3, fixed over aluminium sheeting, 1.5 mm thick supported on mild dteel angle iron post75 mm x 75mm x 6mm firmly fixed to the ground by means if properly designed foundation with M-15 grade cement concrete 450 mm x 450 mm x 600 mm, 600mm below ground level as per drawings and Technical Specification Clause 801 iv)80 cm x60 cm rectangle

Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. I. Ordinary soil (i) Up to 3 m depth

Providing and laying of boulder apron laid in wire crates with 4 mm dia GI wire conforming to IS:280 and IS:4826 in 100 mm x 100 mm mesh (woven diagonally) including 10 per cent extra for laps and joints laid with stone boulders weighing not less than 25 kg each as per drawing and technical specifications Clause 1301

Providing and laying pitching on slopes laid over prepared filter media as per drawing and technical specifications Clause 1302

Providing and laying filter material underneath pitching in slopes complete as per drawing and technical specifications Clause 1302

Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. I. Ordinary soil (i) Up to 3 m depth

Plain/Reinforced cement concrete in Open-foundation complete as per drawing and technical specifications and steel shuttering formwork as per specification A. PCC Grade M10:

Brick masonry work in cement mortar 1:3 in foundation complete excluding pointing and plastering as per drawing and technical specifications Clauses 600, 1202 & 1203

Brick masonry work in cement mortar 1:3 in Sub structure complete excluding pointing and plastering as per drawing and technical specifications Clauses 600, 1202 & 1204

Providing and laying reinforced cement concrete pipe NP3 for culverts on first class bedding of granular material in double row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets as per Clause 1106. 1200 mm dia pipe

Plastering with Cement Mortar (1:4), 15 mm thick on brickwork in substructure as per technical specification

Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead upto 1000 m as per Technical Specification Clause 303.1.5. I) private land

Fillling in foundation trenches as per drawing and technical specification Clause 305.3.9 Sand filling

Sri Sagar Gohain