Construction of Bridge Over Morang Nala at 2nd KM of Borio Bazar Link Road in Sahibganj District.

Amount

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.) (12.1 I B ii) (depth 3 to 6m)

Providing steel liner 10 mm thick for curbs and 6mm thick for steining of wells including fabricating and setting out as per detailed drawing (12.22)

Bored cast-in-situ M35 grade R.C.C. Pile excluding Reinforcement complete as per Drawing and Technical Specifications and removal of excavated earth with all lifts and lead upto 1000 m. (12.25)

Cement Concrete for Reinforced Concrete in Pile Cap complete as per Drawing and Technical Specification (12.38 C(i))

Providing and laying of PCC M15 levelling course 100mm thick below the pile cap. (12.39)

Pile Load Test on single Vertical Pile in accordance with IS:2911(Part-IV) (12.37)

Supplying, Fitting and Placing un-coated HYSD bar Reinforcement in Foundation complete as per Drawing and Technical Specifications. (12.40)

Confirmatory Boring through Core drilling of BX (41mm to 59mm) size by rotary core drilling machine upto 20.0m depth in all kinds of hard rock including finishing, maintenance of core (minimum 80% core recovery in hard rock is essential and sludge for foundation exploration complete as per specification and direction of E/I.

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical Specification.(Granular material) (13.9 A)

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. (13.10)

Providing and laying Cement concrete wearing coat M-30 grade including reinforcement complete as per drawing and Technical Specifications (14.4)

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 (13.8)

Supplying, fitting and placing HYSD bar reinforcement in sub-structure complete as per drawing and Technical Specifications . (13.6)

Furnishing and Placing Reinforced/ Prestressed cement concrete in super-structure as per drawing and Technical Specification. RCC M-30 (14.1C Case I)

Construction of precast RCC railing of M30 Grade, aggregate size not exceeding 12 mm, true to line and grade, tolerance of vertical RCC post not to exceed 1 in 500, centre to centre spacing between vertical post not to exceed 2000 mm, leaving adequate space between vertical post for expansion, complete as per approved drawings and technical specifications. (14.6)

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

Reinforced cement concrete approach slab including reinforcement and formwork complete as per drawing and Technical specification (14.11)

Supplying, fitting and placing HYSD bar reinforcement in super-structure complete as per drawing and technical specifications (14.2)

Drainage Spouts complete as per drawing and Technical specification (14.9)

Providing and laying of a strip seal expansion joint catering to maximum horizontal movement upto 70 mm, complete as per approved drawings and standard specifications to be installed by the manufacturer/supplier or their authorised representative ensuring compliance to the manufacturer's instructions for installation. (14.22)

Supplying, fitting and fixing in position true to line and level elastomeric bearing conforming to IRC: 83 (Part-II) section IX and clause 2005 of MoRTH specifications complete including all accessories as per drawing and Technical Specifications. (13.14)

Providing and applying 2 coats of water based cement paint to unplastered concrete surface after cleaning the surface of dirt, dust, oil, grease, efflorescence and applying paint @ of 1 litre for 2 sqm. (Painting of hand rail) (14.16)

Cutting of Trees, including Cutting of Trunks, Branches and Removal (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 mtrs and earth filling in the depression/pit.) Girth from 300 mm to 600 mm (2.1 a)

Cutting of Trees, including Cutting of Trunks, Branches and Removal (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 mtrs and earth filling in the depression/pit.) Girth from 600 mm to 900 mm (2.1b)

Cutting of Trees, including Cutting of Trunks, Branches and Removal (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 mtrs and earth filling in the depression/pit.) Girth from 900 mm to 1800 mm (2.1c)

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. (By mechanical means in light jungle) (2.3)

Excavation in Soil using Hydraulic Excavator CK 90 and Tippers with disposal upto 1000 metres. (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. 30.00 per Cum. cost of watering, rolling and compaction with vibratory roller. (3.6)

Embankment Construction with Material Obtained from Borrow Pits (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 requirement of table 300-2) including royalty of earth @ Rs.30.00per Cum.Rolling with vibratory roller. (3.16)

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. Rolling with vibratory roller. (3.17)

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 (15.4 A)

Providing and laying Filter material underneath pitching in slopes complete as per drawing and Technical specification (15.5)

Granular Sub-Base with Coarse Graded Material (Table:- 400-2) (Construction of granular sub-base by providing coarse graded material, 1.28 m3/m3 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 clause 401) Grading - I As per MOR&TH specification 401 (5th revision) and direction of E/I. (4.2)

Wet Mix Macadam (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.) all complete job as per relevant clause of M.O.R.T. & H. specification and direction of E/I. (4.12)

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 0.60 kg/sqm using mechanical means.) all complete job as per relevant clause of M.O.R.T. & H. specification and direction of E/I. (SS-I) {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. All complete as per relevant clause of M.O.R.T. & H. specification and direction of E/I. (RS-I) {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. for GradingII(19 mm nominal size) (5.6)

Providing Bituminous Concrete (Providing and laying bituminous concrete with 100-120 TPH batch type HMP producing an average output of 75 tonnes per hour using crushed aggregates of 1.45 times specified grading, premixed with bituminous binder @ 5.20% to 5.40% 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. 508 complete in all respects)for GradingII(10 mm nominal size) as per relevant clause of M.O.R.T & H . specification and direction of E/I. (Grading - ii) (Bulk Bitumen VG-30) {5.8B(ii)}

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.) (8.13)

Providing and erecting Direction and Place Identification retro reflectorised signs as per IRC:67 made of highly intensity grade sheeting vide clause 801.3, fixed over aluminum 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 M-15 grade cement concrete 45 x 45 x 60 cm, 60 cm below ground level as per approved drawing. 60cmx 60cm Rectangular (8.4 vi)

Providing and erecting Direction and Place Identification retro reflectorised signs as per IRC:67 made of highly intensity grade sheeting vide clause 801.3, fixed over aluminum 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 M-15 grade cement concrete 45 x 45 x 60 cm, 60 cm below ground level as per approved drawing. (8.5)

Road Delineators (Supplying and installation of delineators (road way indicators, hazard markers, object markers), 80-100 cm high above ground level, painted black and white in 15 cm wide stripes, fitted with 80 x 100 mm rectangular or 75 mm dia circular reflectorised panels at the top, buried or pressed into the ground and confirming toIRC-79 and the drawings.) (8.15)

Labour cess @ 1%