NLCPR/BW/Morigaon/01 Construction of RCC Br. No. 29/1(At Bridge Gap) on Kuhimari Borduwa Road (SH-15) including approaches and protection work under NLCPR (Balance work) in PWD Morigaon District Territorial Road Division.

Amount

Bridge Proper : Levelling course for approach slab/ Pile cap- Providing and laying of PCC M-15 levelling course 100mm thick below the pile cap as per drawing and technical specification of MORTH section

Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification and steel shuttering formwork Without plasticiser RCC Grade M25 Height 5m to 10m Using concrete mixer

Supplying, fitting and placing uncoated TMT IS:1786 (Fe 500) bar reinforcement in sub-structure complete as per drawing and technical specifications TMT-IS 1786 ( Fe-500 D) Clause 1002,1005,1010 and 1202

Supplying, fitting and fixing in position true to line and level cast steel rocker bearing conforming to IRC: 83(Pt.-1) section IX and clause 2003 of MoRTH specifications complete including all accessories as per drawing and Technical Specifications.

Supplying, fitting and fixing in position true to line and level forged steel roller bearing conforming to IRC: 83(Pt.-1) section IX and clause 2003 of MoRTH specifications complete including all accessories as per drawing and Technical Specifications.

Furnishing and Placing Reinforced /Prestressed cement concrete in super-structure as per drawing and Technical Specification' including steel shuttering formwork. Without Plasticiser RCC/PSC Grade M40 Using Batching Plant, Transit Mixer and Concrete Pump For Solid slab super-structure Height 5m to 10m.

Reinforcement in Super Structure: Supplying, fitting and placing uncoated TMT bar reinforcement conforming to IS:1786 Fe 500 D reinforcement in super-structure including splicing complete as per drawing and technical specifications. TMT-IS 1786 ( Fe-500 D) Clause 1002,1005,1010 and 1202

High tensile steel wires/strands including all accessories for stressing, stressing operations and grouting complete as per drawing and Technical Specifications

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

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

Drainage Spouts complete as per drawing and Technical specification

Strip Seal Expansion Joint (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 instruction for installation).

Protection Work: 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.

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. Clause 1302 Stone/Boulder

Providing and laying Filter material underneath pitching in slopes complete as per drawing and Technical specification. Clause 1302

Bridge Approach: 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 requirment of table 300-2 ( Including cost of testing of materials at site and laboratory as directed by the deptt.) (a) from private land

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) (a), ( Including cost of testing of materials at site and laboratory as directed by the deptt.) a) from private land

Plant Mix Method (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 cl. 401( Including cost of testing of materials at site and laboratory as directed by the deptt.) for grading- II Material

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 material to fillup the interstices of coarse aggregate,watering and compacting to the reqd. density ( with all lead) By Manual Means Grading- II Using Screening Type-B (11.2mm Agg.)

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 material to fillup the interstices of coarse aggregate,watering and compacting to the reqd. density ( with all lead) By Manual Means Grading- III Using Screening Type-B (11.2mm Agg.)

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 1.00 kg/sqm using mechanical means.)( Including cost of testing of materials at site and laboratory as directed by the deptt.) (i) With bitumen emulsion-CSS-1 (IS-8887-2004)

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.( Including cost of testing of materials at site and laboratory as directed by the deptt.) (I)With Bitumen emulsion CSS-1h (c) Granular surface treated with primer

Open - Graded Premix Surfacing (Providing, laying and rolling of open - graded premix surfacing of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen to required line, grade and level to serve as wearingcoarse on a previously prepared base, including mixing in a suitable plant laying and rolling with a smooth wheeled roller 8-10 T capacity to yhe reqd. level and grade. (including carriage of mixed materials up to 10.0 Km initial lead from mixing plant )( Including cost of testing of materials at site and laboratory as directed by the deptt.) Mechanical method using crumb rubber modified bitumen (CRMB) 55 and HMP of appropriate capacity not less than 75 tonnes / hour .

Seal Coat (Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A,B and C seal coats as per technical specification Clause 510. Type-B (iii) crumb rubber modified bitumen) ( Including cost of testing of materials at site and laboratory as directed by the deptt.)

Supplying, fitting and fixing RCC guard post 150cm long erected 75cm above the ground and 75cm below the ground with M-15 grade (nominal mix 1:2:4 with broken stone aggregate up to 20mm size) of cement concrete and required reinforcement tied in position with annealed black wire including centering, moulding the top, curing including painting concrete surfaces in 23cm strips upto 0.75m from the top alternately in black and white and having 2 nos. reflective band of desired shade etc. complete as per design and as directed. 15 cm dia. RCC guard post with reinforcement of 4nos. 12mm dia TMT main steel bars and 6mm TMT/ MS stirrups at 15cm c/c.