Road widening and providing heavy guard wall protecting both sides of Rangirkhal(Part-B) at Silchar under CIDF for the year 2019-20

Amount

RCC Retaining Wall

Earthwork in excavation for foundation trenches of walls, retaining walls, footings of column, steps, septic tank etc. including refilling (return filling) the quantity as necessary after completion of work, breakingclods in returnfilling, dressing, water in gandramming etc. and removal of surplus earth with all lead and lifts as directed and specified in the following classification of soils including bailing out water where necessary as directed and specified.

PCC 1:3:6 in foundation (Plain cement Concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed,placed in foundation and compacted by vibration including curing for 14 days)

Providing and laying plain/reinforced cement croncrete works cement,coarse sand & 20 mm down graded stone aggregate including dewatering if necessary, and curing complete but excluding cost of formwork and reinforcement for reinforced cement concrete work (formwork and reinforcement will be measured and paid separately). Using Mixer Machine and Without using admixture, plasticiser. M25 grade concrete or Prop. 1:1.5:3

Steel Shuttering for vertical surface such as walls (any thickness), Liftshafts, partitions and the like including attached pilasters, butresses, plinth and string courses and the like.

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (From Primary Producer: TATA/SAIL/Esser Steel/ Jindal steel/Shyam steel/RINL) in foundation complete as per drawings and technical specifications Clauses 1000 and 1202

Stone Pitching Work

Earthwork in excavation of foundation structures as per drawing and technical specification,including setting out,construction of shoring and bracing,removal of stumps and other deieterious matter,dressing of sides and bottom,backfilling the excavated earth to the extent required and utilising the remaining earth locally for road work. (V)(A) Marshy Soil by Manual means with dewatering

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

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 (A) Stone/Boulder,

Providing and Laying Filter material underneath pitching in slopes complete as per drawing and Technical specifications

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

Earthwork in de-siltation of drainage channel to proper grade and slope up to required section including excavation of side slopes and bed of the channel in marshy/muddy soil,removal of all debris like decomposed organic matters,plastic garbage,aquatic plants,water hyacinth etc., dewatering by manual means if necessary etc. and removing of the excavated soil and garbage/spoils up to a distance of 100 m etc.including all lead and lift complete as directed.

Roadwork Estimate

Construction of Subgrade and Earthen Shoulders (Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts & leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table (300-2 ( Including cost of testing of materials at site and laboratory as directed by the deptt.) (a) from govt 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 cl. 401( with an initial lead of 5 Km.) (II) for grading- II Material

(Providing, laying, spreading and compacting graded stone aggregate of specifuc sizes to water bound mecadam specificationincluding spreading in uniform thickness,hand packing,rolling with vibratory roller 8010 tonnes in stages to proper grade and camber,applying and brooming requisite type of screeing/binding material to fill up the interstices of coarse aggregate,watering and compacting to the reqd density ( with an intial lead of 5.0 km)

Providing and laying shaded interlocking concrete block pavement having thickness 80mm as per IS 15658 2006(Compressive strength 40 N/mm sq.

Direction and place identification sign upto 0.9sqm size board. Providing and erecting direction and place identification retro- Reflectrorised sign as per IRC:67 made of encapsulated lens type reflective sheeting vide clause 801.3 fixed over aluminium sheeting, 2mm thick with area not exceeding0.9sqm fixed on an angle iron of 25x25x4mm supported on a mild steel angle iron post 75mm x 75mm x 6mm firmly fixed to the ground by means of properly design foundation with M-15 grade Cement concrete 45cm x 45cm x 60cm, 60cm below ground level as per approved drawing and sign. (All the Steel work must be Tata/Sail/or any other approved brand)

Footpath-Dry Lean Cement Concrete Sub- base (Construction of dry lean cement concrete Sub-base over a prepared sub-grade with coarse and fine aggregate conforming to IS: 383, the size of coarse aggregate not exceeding 25 mm, aggregate cement ratio not to exceed 15:1, aggregate gradation after blending to be as per table 600:1 , cement concrete not to be less than 150kg/cum, optimum moisture content to be determined during the trial length construction, concrete strength not to be less than 10Mpa at 7 days, mixed in a batching plant, transported to the site, laid with a paver with electronic sensor, compacting with 8-10 tonnes vibratory roller, finishing and curing.)(Including carriage of mixed materials up to 10.0 Km initial lead from mixing plant.)

Construction of precast RCC Railing of M 30 Grade…......

Street Lighting (Providing and erecting street light mounted on a steel circular hollow pole of standard specifications for street lighting. 9 m high spaced 40 m apart, 1.8 m overhang on both sides if fixed in the median and on one side if fixed on the footpath, fixed on the concrete foundation.

Earthwork in excavation for foundation trenches of walls, retaining walls, footings of column, steps, septic tank etc. including refilling (return filling) the quantity as necessary after completion of work, breakingclods in returnfilling, dressing, water in gandramming etc. and removal of surplus earth with all lead and lifts as directed and specified in the following classification of soils including bailing out water where necessary as directed and specified.

PCC 1:3:6 in foundation (Plain cement Concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed,placed in foundation and compacted by vibration including curing for 14 days)

Providing and laying plain/reinforced cement croncrete works cement,coarse sand & 20 mm down graded stone aggregate including dewatering if necessary, and curing complete but excluding cost of formwork and reinforcement for reinforced cement concrete work (formwork and reinforcement will be measured and paid separately). Using Mixer Machine and Without using admixture, plasticiser. M25 grade concrete or Prop. 1:1.5:3

Steel Shuttering for vertical surface such as walls (any thickness), Liftshafts, partitions and the like including attached pilasters, butresses, plinth and string courses and the like.

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (From Primary Producer: TATA/SAIL/Esser Steel/ Jindal steel/Shyam steel/RINL) in foundation complete as per drawings and technical specifications Clauses 1000 and 1202

Construction of Subgrade and Earthen Shoulders (Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts & leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table (300-2 ( Including cost of testing of materials at site and laboratory as directed by the deptt.)

Construction of dry lean cement concrete sub base over a prepared sub-grade with coarse and fine aggregate conforming to IS:383, the size of coarse aggregate not exceeding 25 mm, aggregate cement ratio not to exceed 15:1, aggregate gradation after blending to be as per specifications, cement content not to be less than 150 Kg/cum, optimum moisture content to be determined during trial length construction, concrete strength not to be less than 10 Mpa at 7 days, mixed in a batching plant, transported to site, for all leads & lifts, laid with a mechanical paver, compacting with 8-10 tonne vibratory roller, finishing and curing etc. complete as per direction of Engineerin- charge.

Cement concrete pavement with 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size), including finishing complete.

Anup Kumar Nandy