Widening and Strengthening Reconstruction of Sarubera On 26 km of Dumari Nawadih Bermo Road to Pilpilo More Road Total Length 25.832 km for the year 2021-22 under Road Division, Bokaro

Amount

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 material to be used or auctioned, up to a lead of 1000 metres including removal and disposal of top organic soil not exceeding 150 mm in thickness. vide RCD SOR 2.3(ii)A Mechnical Means in area of light jungle.

Cutting of trees, including cutting of trunks, branches and removal of stumps, roots, stacking of serviceable material with all lifts and up to a lead of 1000 metres and earth filling in the depression / pit.(a) Girth 0.3m to 0.6 m vide RCD SOR 2.1(i)

Cutting of trees, including cutting of trunks, branches and removal of stumps, roots, stacking of serviceable material with all lifts and up to a lead of 1000 metres and earth filling in the depression / pit(c) Girth 0.6m to 0.9 m. vide RCD SOR 2.1(ii)

Cutting of trees, including cutting of trunks, branches and removal of stumps, roots, stacking of serviceable material with all lifts and up to a lead of 1000 metres and earth filling in the depression / pit(c) Girth 0.9m to 1.8 m. vide RCD SOR 2.1(iii)

Cutting of trees, including cutting of trunks, branches and removal of stumps, roots, stacking of serviceable material with all lifts and up to a lead of 1000 metres and earth filling in the depression / pit.(d) Girth >1.8 m.vide RCD SOR 2.1(iv)

Removal of telephone/Electric poles including excavation and dismantling of foundation concerned department, disposal with all lifts and up to a lead of 1000 metres and stacking the serviceable and unserviceable material separately (RCD- SOR - 2.14 )

Dismantling of Structures (Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 metres) vide RCD SOR 2.4(i)IA. in cement mortar brick work.

Dismantling of Structures (Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 metres) vide RCD SOR 2.4(ii)B. in cement mortar brick work.

Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 metres. By Mechanical Means for items No. 202( b) & ( c) (NH- SOR -2.4 - i-II ) (A) CEMENT CONCRETE-M15 & 20

Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 metres. (NH- SOR -2:4 - i- II - B ) (B) Prestressed / Reinforced cement concrete grade M-20 & above

Dismantling of Flexible Pavements (Dismantling of flexible pavements and disposal of dismantled materials up to a lead of 1000 metres, stacking serviceable and unserviceable materials separately) (RCD- SOR -2.5-II-A ) By Mechanical Means. Bituminous course

Dismantling of Cement Concrete Pavement (Dismantling of cement concrete pavement by mechanical means using pneumatic tools, breaking to pieces not exceeding 0.02 cum in volume and stock piling at designated locations and disposal of dismantled materials up to a lead of 1000 metres, stacking serviceable and unserviceable materials separately) (RCD- SOR -2.6 )

Excavation for roadwork in soil with hydraulic excavator of 0.9 cum bucket capacity 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 (including Royalty @ Rs. 27.48 per cum , cost of watering, rolling & compaction). vide RCD SOR 3.6(ii)

Construction of embankment with approved materials 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.. vide RCD SOR 3.17(i)Rolling with vibratory roller

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 compactiong with vibratory roller to achieve the desired density, complete as per clause 401. (RCD- SOR -4.2 ) (i) For grading - I material

Providing laying, spreading and compacting graded stone aggregatge to wet mix macadam specification including premixing the material with water at OMC in mechanical mix plant, carriage of mix material by tippers 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. vide RCD SOR 4.12

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 0.60 kg/sqm using mechanical means. (RCD- SOR - 5.1 )

Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg per sqm on the prepared bituminous/granular surface cleaned with mechanical broom. (RCD- SOR - 5.2 )

Dense Graded Bituminous Macadam (Providing and laying dense bituminous macadam with 100-120 TPH batch type HMP producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @4.0 to 4.5% by weight of total mix of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MoRTH specification clause No. 507 complete in all respects.) with VG-30 Grade Bulk Bitumen. (RCD-SOR-5.6-B-II ) for GradingII (19 mm nominal size)

Bituminous Concrete (Providing and laying bituminous concrete with 100-120 TPH batch type hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 5.2 to 5.4 % of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MORTH specification clause No. 509 complete in all respects).with VG-30 Grade Bulk Bitumen (RCD - SOR 5.8(ii)). For grading II ( 10mm nominal size)

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 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, laid with a paver with electronic sensor, compacting with 8-10 tonnes vibratory roller, finishing and curing.)(RCD- SOR - 6.1 )

Cement Concrete Pavement (Construction of un-reinforced, dowel jointed, plain cement concrete pavement over a prepared sub base with 43 grade cement @ 400 kg per cum, coarse and fine aggregate conforming to IS 383, maximum size of coarse aggregate not exceeding 25 mm, mixed in a batching and mixing plant as per approved mix design, transported to site, laid with a fixed form or slip form paver, spread, compacted and finished in a continuous operation including provision of contraction, expansion, construction and longitudinal joints, joint filler, separation membrane, sealant primer, joint sealant, debonding strip, dowel bar, tie rod, admixtures as approved, curing compound, finishing to lines and grades as per drawing (RCD- SOR - 6.2 )

Providing and fixing of retro- reflectorised cautionary, mandatory and informatory sign as per IRC :67 made of high intensity grade sheeting vide clause 801.3, fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing. (RCD- SOR -8.4 ) (i) 90 cm equilateral triangel

Providing and fixing of retro- reflectorised cautionary, mandatory and informatory sign as per IRC :67 made of high intensity grade sheeting vide clause 801.3, fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing. (RCD- SOR -8.4 ) (iii) 60 cm circular

Providing and fixing of retro- reflectorised cautionary, mandatory and informatory sign as per IRC :67 made of high intensity grade sheeting vide clause 801.3, fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing. (RCD- SOR -8.4 ) (v) 60 cm x 60 cm square

Providing and fixing of retro- reflectorised cautionary, mandatory and informatory sign as per IRC :67 made of high intensity grade sheeting vide clause 801.3, fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing. (RCD- SOR -8.4 ) (vi)90 cm high octagon

Direction and Place Identification signs upto 0.9 sqm size board. (Providing and erecting direction and place identification retro-reflectorised sign asper IRC:67 made of encapsulated lens type reflective sheeting vide clause 801.3, fixed over aluminium sheeting, 2 mm thick with area not exceeding 0.9 sqm supported on a mild steel single angle iron post 75 x 75 x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45 x 45 x 60 cm, 60 cm below ground level as per approved drawing).(RCD- SOR -8.5 )

Road Marking with Hot Applied Thermoplastic Compound with Reflectorising Glass Beads on Bituminous Surface (Providing and laying of hot applied thermoplastic compound 2.5 mm thick including reflectorising 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.)(RCD- SOR -8.13)

Reinforced cement concrete M15 grade kilometre stone of standard design as per IRC:8-1980, fixing in position including painting and printing etc. (RCD- SOR -8.14 ) (i) 5th kilometre stone (precast)

Reinforced cement concrete M15 grade kilometre stone of standard design as per IRC:8-1980, fixing in position including painting and printing etc. (RCD- SOR -8.14 ) (ii) Ordinary Kilometer stone (Precast)

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)

Road Markers/Road Stud with Lense Reflector (Providing and fixing of road stud 100x 100 mm, die cast in aluminium, resistant to corrosive effect of salt and grit, fitted with lense reflectors, installed in concrete or asphaltic surface by drilling hole 30 mm upto a depth of 60 mm and bedded in a suitable bituminous grout or epoxy mortar, all as per BS 873 part 4:1973)

Planting of Trees and their Maintenance for one Year (Planting of trees by the road side (Avenue trees) in 0.60 m dia holes, 1 m deep dug in the ground, mixing the soil with decayed farm yard/sludge mannure, planting the saplings, backfilling the trench, watering, fixing the tree guard and maintaining the plants for one year).(RCD- SOR -11.9 )

Metal Beam Crash Barrier Type - A, "W" : Metal Beam Crash Barrier (Providing and erecting a "W" metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 70 cm above road/ground level, fixed on ISMC series channel vertical post, 150 x 75 x 5 mm spaced 2 m centre to centre, 1.8 m high, 1.1 m below ground/road level, all steel parts and fitments to be galvanised by hot dip process, all fittings to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a spacer of channel section 150 x 75 x 5 mm, 330 mm long complete as per clause 810) culvert (RCD SOR - 8.23 A)

Earthwork in excavation of foundation trenches of foundation of structures as per drawing & tehnical specification, including setting out, construction of shoring & bracing, removal of stumps & other deleterious matter, dressing of sides and bottom and backfilling with approved material. Mechanical Means Depth up to 3Mt.vide RCD SOR 12.1(B-i)

Plain/Reinforced cement concrete in open foundation complete as per drawing & technical specifications.PCC Grade M15 vide RCD SOR12.8(A)

Stone masonry work in cement mortar 1:3 in foundation complete as drawing and Technical Specification RCD SOR12.7(B)Random Rubble Masonry

Stone masonry work in cement mortar 1:3 for substructure complete as per drawing and Technical Specifications vide RCD SOR13.4(A)Random Rubble Masonry

Deck slab & Drain cuver-Furnishing and Placing Reinforced/Prestressed cement concrete in super-structure as per drawing and Technical Specification. RCC Grade M25 (RCD SOR No 14.1 (B)-case-II(i-p)

Providing and laying Cement concrete wearing coat M-30 grade including reinforcement complete as per drawing and Technical Specifications .vide RCD SOR 14.4

Plain/Reinforced cement concrete in sub-structure complete as per drawing and technical specifications.PCC Grade M20. vide RCD SOR 13.5(B-p)

a) Culvert, bridge, & drain- Supplying, fitting and placing HYSD bar reinforcement in super-structure complete as per drawing and technical specifications . vide RCD SOR 14.2

Brick masonry work in 1:3 in foundation complete excluding pointing and plastering, as per drawing and technical specifications. vide RCD SOR 13.1

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. vide RCD SOR 13.8

Plastering with cement mortar (1:3 ) on brick work in sub-structure as per Technical specifications . vide RCD SOR 13.3

Painting Two Coats on New Concrete Surfaces (Painting two coats after filling the surface with synthetic enamel paint in all shades on new plastered concrete surfaces) RCD SOR NO - 8.8

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 specification. (RCD SOR no 13.10 )

Filler joint-Providing and fixing in position 20 mm thick premoulded joint filler 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. (RCD SOR no 14.18-iii )

Filler joint-Providing and filling joint sealing compound as per drawings and technical specifications with coarse sand and 6% bitumen by weight. (RCD SOR no 14.18-iv )

Box culvert-Plain/Reinforced cement concrete in sub-structure complete as per drawing and technical specifications.( RCD SOR-13.5 F-P-case-ii)- RCC-M25.With Batching Plant, Transit Mixer and Concrete Pump

Providing and laying Flooring complite as per drawing and techinical specification laid over cement concrete bedding..RCD SOR 15.8(A) Rubble stone laid in cement motar 1:3

Flexible Apron :Construction of flexible apron 1 m thick comprising of loose stone boulders weighing not less than 40 kg beyond curtain wall.RCD SOR 15.11

PCC M15 Grade leveling course below approach slab complete as per drawing and Technical specification RCD SOR 14.10

Reinforced cement concrete approach slab including reinforcement and formwork complete as per drawing and Technical specification M-30. RCD SOR 14.11

Drainage Spouts complete as per drawing and Technical specification RCD SOR 14.9

Reinforced Cement Concrete Crash Barrier (Provision of an Reinforced cement concrete crash barrier at the edges of the road, approaches to bridge structures and medians, constructed with M-20 grade concrete with HYSD reinforcement conforming to IRC:21 and dowel bars 25 mm dia, 450 mm long at expansion joints filled with pre-moulded asphalt filler board, keyed to the structure on which it is built and installed as per design given in the enclosure to MOST circular No. RW/NH - 33022/1/94-DO III dated 24 June 1994 as per dimensions in the approved drawing and at locations directed by the Engineer, all as specified)M 20 grade concrete. RCD SOR-8.22

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.)

Plain/Reinforced cement concrete(RCC M20) in sub-structure complete as per drawing and technical specifications VIDE RCD SOR-13.5(P)CASE 2

Furnishing and Placing Reinforced/Prestressed cement concrete(RCC Grade M 30) in super-structure as per drawing and Technical Specification

Plain/Reinforced cement concrete(PCC Grade M15) in sub-structure complete as per drawing and technical specifications VIDE RCD SOR-13.5A(P)

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 Boulder laid dry without wire crates.. VIDE RCD SOR-15.1(A)

Providing and inserting nipples with approved fixing compound after drilling holes for grouting as per Technical specifications including subsequent cutting/removal and sealing of the hole as necessary of nipples after completion of grouting with Cement/Epoxy

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