Maintenance of the Road of NH-216 from km. 3.800 to 90.460 (Raigarh to Saraipali section) Under Cost and Risk.

Amount

Excavation in Soil using Hydraulic Excavator and Tippers with disposal upto 1000 metres. (Excavation for roadwork in soil with hydraulic excavator including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross sections, and transporting to the embankment location within all lifts and lead upto 1000m as per relevant clauses of section 300)

Scarifying Existing Road Surface to a Depth of 50 mm (II) Scarifying existing bituminous surface to a depth of 50 mm by mechanical means ( using Hydraulic excavator) (Scarifying the existing bituminous road surface to a depth of 50 mm and disposal of scarified material with in all lifts and lead upto 1000 metres as per clause 305.4.3)

Construction of Embankment with Material Deposited from Roadway Cutting (Construction of embankment with approved materials having effective CBR > 5 ( unless specified otherwise in contract ) deposited at site from roadway cutting and excavation from drain and foundation of other structures graded and compacted to meet requirement of table 300-2) as per clause 305.

Granular Sub-base with Close Graded Material (Table:- 400-1) A) Plant Mix Method with Mechanically crushed stone only(Construction of granular sub-base 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 clause 401 ) (V) for grading-V Material

Wet Mix Macadam / Interlocking layer laying(Wet Mix Macadam / Interlocking layer laying using by Grader (Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density.) as per clause 406.

Construction of Median and Island with Soil Taken from Borrow Areas (Construction of median and Island above road level with approved material brought from borrow pits, spread, sloped and compacted as per clause 408)

Dressing of side shoulder/Scrapping the road side shoulder by Mechanical means (By JCB/DOZER) including excavation of raised side shoulders upto 15cm depth including remooving/cutting bushes, grass and dressing shoulder to desired camber and disposing of excavated stuff up to road boundary etc complete. as directed by Engineer In Charge.

Prime coat A) Prime Coat over WMM/WBM (Providing and applying primer coat with bitumen emulsion or cutback bitumen 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 as per clause 502 & 112) (i) with bitumen emulsion (SS-1, grade confirming to IS:8887) @0.85 kg/sqm

Tack coat (Providing and applying tack coat with bitumen emulsion RS-1, grade confirming to IS:8887 using emulsion pressure distributor on the prepared bituminous surface cleaned with mechanical broom) as per clause 503 & 112. (i) on Bituminous surfaces @ 0.25 kg per sqm

(ii) on Granular surfaces treated with primer @ 0.30 kg per sqm

Bituminous Macadam (Providing and laying bituminous macadam as per clause 504 with mixed prepared in minimum 40-60 TPH capacity hot mix plant using crushed aggregates of specified grading premixed with bituminous binder VG-30, transported to site, laid over a previously prepared surface with paver finisher to the required grade, level and alignment and rolled to achieve the desired compaction) (A) With mechanical paver finisher (ii) for Grading II (19.00 mm nominal maximum size, bitumen content minimum 3.40%)

Close Graded Premix Surfacing/Mixed Seal Surfacing (Mechanical means using minimum 40-60 TPH capacity of HMP. Providing, laying and rolling of close-graded premix surfacing material of 20 mm thickness using bitumen VG-30 to the required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a Smooth wheeled roller 8-10 tonne capacity, and finishing to required level and grade, complete as per clause 508. With mechanical paver finisher (A) With bitumen (ii) Type A (11.2 mm to 0.09 mm size aggregates)

Providing & Fixing Delineator made of M.S. Hollow Rectangular Pipe (Conforming to IS: 4923) of cross section 100 mm x 80 mm, thickness 4mm, of 1.10 meter length. The top of the hollow pipe, welded and closed with 16 gauge M.S. Sheet. The height of the Delineator above ground level should be between 0.8 meter and 0.9 meter and 0.20 to 0.30 m below ground. The bottom of the delineator should be provided with holdfast of length 15cm on each side. Delineator should be painted with coat of Zinc Chromate stoving Prime and two coats of Black Stove Enamel (Oven Baked) paint with 3nos. 15 cm bands of white Retro-reflective Sheeting of Engineering Grade pasted around the pipe and 2 Nos. High intensity Grade Retro-reflective Sheeting of size 8 cm x 10cm pasted on the top of each side of Delineator and treated With HLVA & fixing the same in M-15 grade concrete block of size 45x43x30cms including transportation etc. complete. The construction and placement of the delineator must be as per IRC: 79.

Providing & Fixing Hazard Marker Type-2 Partial Retro Reflective Size 0.30 x 0.90M made of 16 gauge (1.6 mm) thick mild steel sheet Confirming to IS:2062 Painted with one cast of Zinc Chromate Stoving Primer and two coats of Black Stove Enamel (Oven Baked) paint with 10 cm bands of yellow Retro- Reflective Sheeting of Engineering Grade pasted a per IRC:79 including one MS angle Iron post of size 50x50x5 mm of 1.65 meter long duly painted with synthetic enameled paint block including bolts and fixing the same in M-15 concrete black of size 30x30x30cm, including transportation etc. Complete.

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 (iii) Above 6 m depth

Providing 1st class bedding below pipes with graded sand or other granular materials passing through 5.6 mm sieve as per clause 2904.

Laying Reinforced Cement Concrete Pipe NP4/prestrssed concrete pipe on first class bedding in single row . (Laying Reinforced cement concrete pipe NP4/prestrssed concrete pipe for culverts on first class bedding of granular material in single row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets . )

Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications. A ) PCC Grade M15 Case II) With Batching Plant, Transit Mixer and Manual placing

PCC Grade M20 Case II) With Batching Plant, Transit Mixer and Manual placing

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical Specification A) Granular material

Plain/Reinforced cement concrete in substructure complete as per drawing and technical specifications G) RCC Grade M30 (i) Height upto 5m With Batching Plant, Transit Mixer and Concrete Pump

Supplying, fitting and placing HYSD bar reinforcement in sub-structure complete as per drawing and technical specifications

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

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 pecification.

Cast in Situ Cement Concrete M20 kerb (Construction of cement concrete kerb with top and bottom width 115 and 165 mm respectively, 250 mm high in M 20 grade PCC on M-10 grade foundation 150 mm thick, foundation having 50 mm projection beyond kerb stone, kerb stone laid with kerb laying machine, foundation concrete laid manually, including transportation of concrete through transit mixer etc. complete) A) Using Concrete Batching and Mixing Plant (ii) PCC M20 for Kerb (Cast in Situ)

Construction of RCC open drain (i) Construction of RCC open drain with minimum size of 1m x 1m inside dimension and size varying as per site requirement lined with 150 mm thick RCC M-20 walls ,150 mm thick RCC, M-20 foundation, over 100 mm thick ( Av) levelling course in PCC M-15 including excavation, dressing of sides and bottom , providing HYSD reinforcement consisting of 10mm dia horizontal bars @ 150 mm c/c and L-shaped 10 mm dia vertical bars @ 150 mm c/c ( L= 1400 m ) including cutting,bending and binding wires, placing in position, providing shuttering and concreting by using cocrete mixer, compaction by vibration etc complete as per drawings and technical specifications.

Construction of RCC drain/ Cover/ Chamber (ii) Construction of RCC drain/chamber cover, placing in position, providing shuttering and concreting by using concrete mixer, compaction by vibration etc complete as per drawings and technical specifications excluding reinforcement. with RCC M-20

Supplying, Fitting and Placing un-coated HYSD bar Reinforcement in drain/cover/chamber complete as per Drawing and Technical Specifications.