Rehabilitation of Dimapur ROB at Km 108.240 on NH-29 in the state of Nagaland under Annual Plan 2022-23

ROB Super Structure

Furnishing and Placing Reinforced/Prestressed cement concrete in super-structure as per drawing and Technical Specification RCC grade M30 Using Concrete Batching and mixing Plant For solid slab super-structure, Height upto 5m

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

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)

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-15 grade foundation 150 mm thick, foundation having 50 mm projection beyond kerb stone, kerb stone laid with kerb laying machine, foundation concrete laid manually, all complete as per clause 409) Using Concrete Batching and mixing Plant PCC M20 for Kerb cast in situ

Drainage Spouts complete as per drawing and Technical specification

Foothpath Slab Plain/Reinforced cement concrete in sub-structure complete as per drawing and technical specifications RCC Grade M20,Using Concrete Batching and mixing Plant height upto 5m

Crash Barrier for Bridge Provision of Reinforced cement concrete crash barrier at the bridges deck & approaches to bridge structures constructed with RCC with HYSD reinforcement conforming to Morth Specification and as per details given in IRC-5 including dowel bars, expansions joints filled with pre moulded asphalt filler board etc approved drawing and at location directed by the Engineer all as specified. Crash barrier for bridge (hieght 1100mm) as per detail given in IRC-5

Utility Pipe Double Row for one utility service

POT cum PTFE Bearing Supplying, fitting and fixing in position true to line and level POT-PTFE bearing consisting of a metal piston supported by a disc or unreinforced elastomer confined within a metal cylinder, sealing rings, dust seals, PTFE surface sliding against stainless steel mating surface, completre assembly to be of cast steel/fabricated structural steel, metal and elastomer elements to be as per IRC: 83 part-I & II respectively and other parts conforming to BS: 5400, section 9.1 & 9.2 and clause 2006 of MoRTH Specifications complete as per drawing and approved technical specifications.

Shotcreteing Removal of defective concrete, cleaning the surface thoroughly, applying the shotcrete mixture mechanically with compressed air under pressure, comprising of cement, sand, coarse aggregates, water and quick setting compound in the proportion as per clause 2807.1., sand and coarse aggregates conforming to IS: 383 and table 1 of IS: 9012 respectively, water cement ratio ranging from 0.35 to 0.50, density of gunite not less than 2000 kg/cum, strength not less than 25 Mpa and workmanship conforming to clause 2807.6.

Wire mesh

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)

Mild Steel Railing Providing, fitting and fixing mild steel railing complete as per drawing and Technical Specification

Dismantling of Strucutres

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) Lime /Cement Concrete By Manual Means,Cement Concrete Grade M-15 & M-20

RE Wall

Reinforced Earth Retaining Wall (Reinforced earth retaining walls have four main components as under: a) Excavation for foundation, foundation concrete and cement concrete grooved seating in the foundation for facing elements (facia material). b) Facia material and its placement. c) Assembling, joining with facing elements and laying of the reinforcing elements. d) Earthfill with granular material which is to be retained by the wall.) Facing elements of RCC

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification Sandy material

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.

Reinforced Cement Concrete Crash Barrier Provision of Reinforced cement concrete crash barrier at the edges of the bridge, approaches to bridge structures constructed with M-40 grade concrete with TMT reinforcement conforming to IRC:21 as per dimensions in the approved drawing and as directed by the Engineer-in-Charge

Friction slab for RCC Crash Barrier Plain/Reinforced cement concrete in open foundation complete as per drawing and technical specifications RCC grade M25, using batching plant & manual placing

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

PCC under friction slab for RCC Crash Barrier Plain/Reinforced cement concrete in open foundation complete as per drawing and technical specifications PCC grade M15, using batching plant & concrete pump height upto 5m

Pavement

Prime coat over WMM/WBM Providing and applying primer coat with Cutback MC 30 bitumen emulsion on prepared surface of granular base including clearing of road surface and spraying primmer at the rate of 0.60 kg/cum using mechanical means.

Quantity of Tack coat 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.

Mastic Asphalt (Providing and laying 25 mm thick mastic asphalt wearing course with paving grade bitumen meeting the requirements given in table 500-29, prepared by using mastic cooker and laid to required level and slope after cleaning the surface, including providing antiskid surface with bitumen precoated fine-grained hard stone chipping of 13.2 mm nominal size at the rate of 0.005cum per 10 sqm and at an approximate spacing of 10 cm center to center in both directions, pressed into surface when the temperature of surfaces not less than 1000C, protruding 1 mm to 4 mm over mastic surface, all complete as per clause 516.)

Dense Graded Bituminous Macadam grading-II 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. 505 complete in all respects.

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.) Laying using grader

Granular Sub-base with Close Graded Material 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 clause 401

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 No. 300-2

M/s Affluent Enterprises and Services

M/S. Prakalpa

M/s.MULTI BUILDERS