KAM/GRC/SOPD(G)/ 2020-21/105.

Amount

Bridge Proper Work

Construction of cold weather Bamboo bridge met overall width of 3.70m and clear road way 3m with jungle wood post 20cm to 25cm dia 5nos. In each rows and rows being 2.1m. apart except for the navigable span which should be 3m. Post to be driven at least 180cm. or more below ground level including providing 20cm to 25cm center to center and placed over 20 cm dia, jungle wood dham, 15cm dia. jungle wood bracing collar fixed by bolts and nuts, straps etc. mature bholuka Bamboo cross groth all closely packed and tied 75cm wide track way made from 38mm thick 1st class local plank fixed on 75mmx100mm first class local wood battens 120cm apart and 3 lines of jati bamboo horizantal railing fixed in bholuka bamboo post placed at 210cm apart and white washed including all necessary nuts and bolts, coir ropes, struts, nails etc. complete with a layer of brushwood to exposed portion out-side trackway with earth topping complete as per direction of the department.

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,backfilling the excavated earth to the extent required and utilising theremaining earth locally for road work.)Ordinary soil Manual Means (Depth upto 3 m)

Bored cast-in-situ M35 grade R.C.C. pile & 1700 excluding reinforcement complete as per drawing and technical specifications and removal of excavated earth with all lifts and lead upto 1000 m. (Pile diameter-1000 mm)

Pile load test on single vertical pile in accordance with IS:2911(Part-IV). Initial and Routine load test.

Cement concrete for reinforced concrete in pile cap complete as per drawing and Technical Specification.Without Plasticiser A. RCC Grade M25 Using concrete mixer.

Levelling course for Pile cap

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

Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification and steel shuttering formwork , RCC Grade M25 , Height upto 5m, Using concrete Mixer

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

Supplying, fitting and fixing in position true to cubic 5.13 line and level elastomeric bearing conforming centimetre to IRC: 83 (Part-II) section IX and clause 2005 of MoRTH specifications complete including all accessories as per drawing and Technical Specifications.

Furnishing and Placing Reinforced/ Prestressed cement concrete in superstructure as per drawing and Technical Specification’ including steel shuttering formwork. RCC Grade M25 Case I Using Concrete Mixer For T-beam & slab , Height upto 5m

Reinforcement in Super Structure: Supplying, fitting and placing TMT conforming to IS:1786 Fe 500 D reinforcement in super-structure including splicing complete as per drawing and technical specifications . TMT-IS 1786 ( Fe-500 D) Primary Producer tonne 80072.00 (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, aggregate size not exceeding 12 mm, 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 adequat space between vertical posts 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.)

Protection Work

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

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

Boulder apron laid in wire crates (Providing and laying of boulder apron laid in wire crates made with 4mm dia GI wire conforming to IS: 280 & IS:4826 in 100mm x 100mm mesh (weaved diagonally) including 10% extra for laps and joints laid with stone boulders weighting not less than 40Kg each.)

Approach Road Work

Clearing and Grubbing Road Land .(Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and Trees girth up to 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable materials to beused or auctioned up to lead of 1000metres including removal and disposal of top organic soil not exceeding 150mm thickness. (i) By Manual Means: B In area of thorny jungle

Construction of embankment with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirment of table 300-2 (Including cost of testing of materials at site and laboratory as directed by the deptt.) (a) from private land

Construction of Subgrade and Earthen Shoulders 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 1000m as per Technical Specification Clause 303.1. (i) Private Land

(Construction of granular subbase by providing close graded Material, mixing in a mechanical mix plant at OMC, carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density,complete as per cl. 401( Including cost of testing of materials at site and laboratory as directed by the deptt.) (ii) for grading- II Material

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber,applying and brooming, stone screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405. (A) By Manual Means

Providing and laying Interlocking Concrete Block Pavement (ICBP) conforming to IS:15658-2006 including all lead and lift complete as per technical specification and as directed. (a) 80mm thick interlocking precast blocks having compressive strength of 40N/sq.mm.

Providing and laying interlocking concrete block pavement (M40) having thickness 80mm as per technical specification clause 1504 complete including carriage. a) Including Edge block/ Edge restraints

Supplying, fitting and fixing RCC guard post 150cm long erected 75cm above the ground and 75cm below the ground with M-15 grade (nominal mix 1:2:4 with broken stone aggregate up to 20mm size) of cement concrete and required reinforcement tied in position with annealed black wire including centering, moulding the top, curing including painting concrete surfaces in 23cm strips upto 0.75m from the top alternately in black and white and having 2 nos. reflective band of desired shade etc. complete as per design and as directed. (a) 30 cm dia. RCC guard post with reinforcement of 6nos. 12mm dia TMT main steel bars and 6mm TMT/ MS stirrups at 15cm c/c.

Bikash Kr Dutta