Construction of Bhejji to chintaguffa Road Km. 21.00 to 22.00 In Sukma (Balance Work) District in Chhattisgarh Under L.W.E. Project.

Amount

Granular Sub-base as per Table:- 400-1 Construction of granular sub-base by providing close graded Material, , carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface watering, rolling and compacting with vibratory power roller at OMC to achieve the desired density, complete as per clause 401. By Mix in place method Disintegrated rock i.e moorum having CBR value not less than 20 and P.I. and L.L. not more than 6 and 20 respectively.

Water Bound Macadam (Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density.) Grading- II (Using Screening Crushable type such as Moorum or Gravel) Using Screening Crushable type such as Moorum or Gravel

Prime coat (Providing and applying primer coat with bitumen emulsion on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.85 kg/sqm using mechanical means)

Tack coat Providing and applying tack coat with bitumen using pressure distributor on the prepared bituminous/ granular surface cleaned with mechanical broom. (ii) Granular surfaces treated with primes @ 0.45 kg / Sqm

Open-Graded Premix Surfacing (By manual means) (Providing, laying and rolling of open-graded premix surfacing of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates using bitumen to required line, grade and level to serve as wearing course on a previously prepared base, including mixing, laying and rolling with a smooth wheeled roller 8-10 tonne capacity, finished to required level and grades.)

Seal Coat Type-B (By manual means) (Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type-B seal coat using crushed stone chipping 6.7 mm size and bitumen.)

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

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

Providing and fixing guard stones 200 x 200 x 900 mm made of precast RCC M20 grade fixed at 300 mm into the ground in P.C.C. 1:3:6 blocks of size 400 x 400 x 400 mm and given two coats of paint with white and black bands including excavation.

Kilo Meter Stone (Reinforced cement concrete M15grade kilometer stone of standard design as per IRC:8-1980, fixing in position including painting and printing etc) Ordinary Kilometer stone (Precast)

Hectometer stone (Precast)

Road Marking with Hot Applied Thermoplastic Compound with Reflectorizing Glass Beads on Bituminous Surface (Providing and laying of hot applied thermoplastic compound 2.5 mm thick including reflectorizing glass beads @ 250 gms per sqm area, thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35 .The finished surface to be level, uniform and free from streaks and holes.)

Type A : Village boards ( 600 mm long, 300 mm wide at bottom & 100 mm wide at top, and height 600 mm above 500 mm thick block of size 700 x 400 x 500 mm with both faces inclined )

Type B : Destination boards ( 700 mm long, 300 mm wide at bottom & 100 mm wide at top, and height 800 mm above 500 mm thick block of size 800 x 400 x 500 mm with one face vertical )

Type C : Cautionary boards (500 x 500 x 500 mm at bottom & 500 x ( 500+100)/2 x 500 mm at top over 300 mm thick block of size 500 x 500 x 300 mm with one face vertical )

Boundary pillar (Reinforced cement concrete M15 grade boundary pillars of standard design as per IRC:25-1967, fixed in position including finishing and lettering but excluding painting)

Excavation for structure (earth workin excavation of foundation of sructure as per drawing and technical specification including setting out.construction of shoring and bracing removal of stumps and other bottom and backfilling with approved material) (A) Ordinary soil (I) Up to 3.0 M depth blow G.L. Ordinary rock (not required blasting )

Providing & laying Plain Reinforced cement concrete in sub structure complete as per drawing and technical specificationsection 1500,1700 and 2200 Height upto 5 m using concrete mixer P.C.C. grade M-15

Furnishing and placing reinforced /presteased cement concrete in super structure as per drawing and techanical specification section 1500,1600 and 1700 (A) RCC Grade M-25 (i) For Solid slab super structure (a)using concrete mixer (i) Height upto 5 m 5

Supply fitting and placing HYSD bar reinforce cement in super structure complete as per drawing and technical specificarion

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

Providing and filling 37/40 mm wide expansion joint between spans in wearing coat with premoulded joint filler,primer coat and joint sealing compound as per most standard drawing No. BD/1.69 " B" and specification as per section 2600 in . (a) R.C.C. 75 mm deep wearing coat

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 specifications 710.1.4 of I.R.C. 78 and 2200

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification 710.1.4 of I.R.C. 78 and 2200 Granular material

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 section 2706 and 2200

Plain/Reinforced cement concrete in open foundation complete as per drawing and technical specifications Using concrete mixer PCC Grade M15

Filler joint Providing and fixing in position 20 mm thick premoulded joint filler ( 12 m long x 30 cm deep ) in expansion joint for fixed ends of simply supported spans not exceeding 10 m to cater for a horizontal movement upto 20 mm, covered with sealant complete as per drawing and technical specifications.

PCC M-15 grade travlling course below approach alab complete as per drawing and technical specification as per relevant section -2700

Vinod Singh Rathore