Improvement of Riding Quality of existing flexible pavement from Km 357/000 (Bagori) to Km 377/000 (Panbari) (L 17.647Km) in stretches including Thin White Topping and Rigid pavement in vulnerable stretches

Amount

Construction of subgrade and Earthen shoulders with approved materials 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 (including compensation of earth)(a) (Including cost of testing materials at site and laboratory) and as directed by the deptt). (a) 'From private land

Providing and laying 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. (Including cost of testing of materials at site and laboratory and as directed by the deptt. (a) Normal Bituminous surface,

Bituminous Macadam of thickness not less than 50mm: Providing and laying bituminous macadam with 100-120 TPH hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading premixed with bituminous binder, transported to site, laid over a previously prepared surface with paver finisher to the required grade, level and alignment and rolled as per clauses 501.6 and 501.7 to achieve the desired compaction) (including all leads & lifts) (Including cost of testing of materials at site and laboratory) and as directed by the deptt. (a) Without anti stripping agent (I) VG-40 grade paved bitumen, (i) for Grading II (19 mm nominal size)

Dense Graded Bituminous Macadam of not less than 50mm (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 MoRT&H specification clause No. 507 complete in all respects) ( including all leads & lifts) (Including cost of testing of materials at site and laboratory) and as directed by the deptt. With hydrated lime / cement as filler (refer table 500-9 of MoRT&H specification) & anti stripping agent as per IS:14982 (Refer Appendix-5 of MoRT&H specification) VG-40 grade Bitumen (msa>30) For GradingII (19 mm nominal size)

Bituminous Concrete of thickness not less than 30mm (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 @ 5.4 to 5.6 % 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 MoRT&H specification clause No. 509 complete in all respects) (including all leads & lifts )( Including cost of testing of materials at site and laboratory) and as directed by the deptt. With hydrated lime / cement as filler (refer table 500-9 of MoRT&H specification) & anti stripping agent as per IS:14982 (Refer Appendix-5 of MoRT&H specification) VG-40 grade Bitumen (msa>30) For Grading-II (13 mm nominal size)

Wearing course on existing bridges 'Providing & laying Bituminous wearing course comprising of tack coat with bitumen emulsion CSS-1h as per APWD SOR item no. 5.2 & MoRT&H specification nos. 503, 6 mm thick Asphalt concrete as per APWD SOR item no. 14.5 & MoRT&H specification nos. 515 & 2702 and 69mm thick Asphalt concrete laid in two layers including of close graded Premix surfacing (CGPS) materials with Type- a aggregates as per APWD SOR item no. 5.11 & MoRT&H specification nos. 512 including all lead and lift and as directed by the deptt.

Slurry Seal Providing and laying slurry seal consisting of a mixture of fine aggregates conforming to specification of Table 500-33 of MoRT&H specifiactionfor road & bridge works (4th revision,2001), portland cement filler, bituminous emulsion as per specification and water on a road surface including cleaning of surface, mixing of slurry seal in a suitable mobile plant/ concrete mixer or using hand mixing as per specification at Clause 516.2.1 of MoRT&H specifiactionfor road & bridge works (4th revision,2001), laying and compacting with a pneumatic tyred roller having an invidual wheel load between 0.75 and 1.5 Tonne to provide even riding surface complete as per specication and as directed by Engineer-in-Charge/ deptt. (i) 5 mm thickness

By Mix in Place Method (GSB) of thickness not less than 150 mm Construction of granular sub-base by providing close graded material, 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 cl. 401( with all leads & lifts)( Including cost of testing of materials at site and laboratory) and as directed by the deptt. For grading- II Material

Dry Lean Cement Concrete Sub- base of thickness not less than 150mm: 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 concrete not to be less than 150kg/cum, optimum moisture content to be determined during the trial length construction, concrete strength not to be less than 10Mpa at 7 days, mixed in a batching plant, transported to the site, laid with a paver with electronic sensor, compacting with 8-10 tonnes vibratory roller, finishing and curing and as directed by the deptt. (Including all leads & lifts.)

Cement Concrete Pavement of thickness not less than 280mm 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 mixed design, transported to the site, laid with a fixed form or slip form paver, spread , compacted and finished in a continuous operation includuing provision of contraction, expansion, construction and longitudinal joints, joint filler, seperation membrane, saw cutting, sealent primer, sealent joint , debonding strips dowel bar, tie rod, admixured as approved, curing compopund, finishing to lines and grades as per drawing and as directed by the deptt. (Including all leads & lifts)

Cement Concrete Pavement of thickness not less than 190mm 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 mixed design, transported to the site, laid with a fixed form or slip form paver, spread , compacted and finished in a continuous operation includuing provision of contraction, expansion, construction and longitudinal joints, joint filler, seperation membrane, saw cutting, sealent primer, sealent joint , debonding strips dowel bar, tie rod, admixured as approved, curing compopund, finishing to lines and grades as per drawing and as directed by the deptt. (Including all leads & lifts)

Construction of Longitudinal RCC Covered Drains Work of Size 1.00 x 1.00, (At Kohora CH 367/950 to 368/230 (RHS))

Surface Drains in Soil (Construction of unlined surface drains of average cross sectional area 0.40 sqm in soil to specified lines, grades, levels and dimensions to the requirement of clause 301 and 309. Excavated material to be used in embankment within a lead of 50m ( Average lead 25m ) Mechanical means

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 and conforming to the MoRt&H specifications.

Retro reflectorised Traffic sign: Providing and erecting of Retro-Reflectrorised cautionary, mandatory & informatory sign as per IRC: 67 made of high intensity encapsulated lens type reflective sheeting vide clause 801.3, fixed over aluminium sheeting, 2 mm thick fixed on an angle iron of 25x25x4mm supported on a mild steel angle iron post 75mm x 75mm x 6mm firmly fixed to the ground by means of properly design foundation with M-15 grade Cement concrete 45cm x 45cm x 60cm, 60cm below ground level as per approved drawing and sign. ( All the Steel work must be Tata/Sail/or any other approved brand) 90cm equilateral traingle

Retro reflectorised Traffic sign: Providing and erecting of Retro-Reflectrorised cautionary, mandatory & informatory sign as per IRC: 67 made of high intensity encapsulated lens type reflective sheeting vide clause 801.3, fixed over aluminium sheeting, 2 mm thick fixed on an angle iron of 25x25x4mm supported on a mild steel angle iron post 75mm x 75mm x 6mm firmly fixed to the ground by means of properly design foundation with M-15 grade Cement concrete 45cm x 45cm x 60cm, 60cm below ground level as per approved drawing and sign. ( All the Steel work must be Tata/Sail/or any other approved brand) 60cm circular

Direction and place identification sign upto 0.9sqm size board. Providing and erecting direction and place identification retro-Reflectrorised sign as per IRC:67 made of encapsulated lens type reflective sheeting vide clause 801.3 fixed over aluminium sheeting, 2mm thick with area not exceeding 0.9sqm fixed on an angle iron of 25x25x4 mm supported on a mild steel angle iron post 75mm x 75mm x 6mm firmly fixed to the ground by means of properly design foundation with M-15 grade Cement concrete 45cm x 45cm x 60cm, 60cm below ground level as per approved drawing and sign. ( All the Steel work must be Tata/Sail/or any other approved brand)

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 2m center to center, 1.8 m high, 1.1m below ground/road level, all steel parts and fitments to be galvanized by hot dip process, all fitting to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a spacer of channel section 150mmX75mmX5mm, 330mm long complete as per clause 810.

Providing ‘Sparkle Solar Road Studs, manufactured by Tata B.P. Solar India Ltd. Of size (125mmx125mm), 90mm height (from bottom of shank to the top of stud) with detachable battery, m6LEDs-three on each side for Bi-directional studs/3 LEDs on one side for unidirectional studs, ultra bright LED in amber and red colour, weight per stud 700+25 gms, flash rate of 50-65 times per minute completely water resistant and weather proof with replacement warranty and free maintenance for one year from the date of installation of stud on road-(installation should be made using adhesives and procedures recommended by manufacturer under the supervision of their competent technician). (a) 'Bi-directional Stud.

Supplying and installation of Road indicators, Deliniators 80-100cm high above ground level, epoxy powder coated on all open surface, fitted with 2mm retro-reflectorised high intensity aluminum sheeting at the top framed in 25x 25x 3 mm MS angle and provided with post of 40x 40x 5 mm MS angle painted in 15 cm bands of black and white conforming to IRC: 79 and the drawings.

Construction of RCC railing of M30 Grade in-situ with 20 mm nominal size aggregate, 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.

Providing reflective pavement marker with Micro prismatic lens in both direction having thermoplastic body adhering to the specification and guidelines of MoRT&H’s fixed to the road surface using the adhesives and the procedures recommended by the manufacturers with three months replacement warranty and free maintenance.

Tree reflector made of heigh intensity grade retro-reflectorised sheeting fixed over aluminium sheeting of 2mm/0.28mm thick firmly fixed with necessary galvanized nail. b)150mm dia/150mmx150mm.

DHARIWAL BUILDTECH LIMITED