WBPWD/PW(R)/SE/SHC/NIT NO 31 OF 2025-2026(Sl no-01)

Box cutting or filling in Road embankment in all sorts of soil including spreading the spoils properly over the flank as necessary or on berm to approximate grade & camber and rolling the sub-grade with power roller to proper camber and grade as per direction and satisfaction of Engineer-in-charge including uprooting and removing plants and jungles when and where necessary. Consider depth upto 1500mm.

Box cutting or filling in Road embankment in all sorts of soil including spreading the spoils properly over the flank as necessary or on berm to approximate grade & camber and rolling the sub-grade with power roller to proper camber and grade as per direction and satisfaction of Engineer-in-charge including uprooting and removing plants and jungles when and where necessary. Consider depth upto 450mm.

Supplying, spreading and compacting Sand (Fine sand) to required thickness, in layers not exceeding 150 mm to proper gradient and camber, inundating each layer by water and packing and ramming layer by layer to achieve desired compaction, including lighting, guarding, barricading and making adequate earthen bundh where necessary, curing with water as per direction, mending cracks and depressions by ramming wherever necessary.

Granular Sub-base with Graded Material,A. Plant Mix Method:Construction of granular sub-base by providing graded material, mixing in Wet Mix Plant at OMC, carriage of mixed material to work site, spreading in uniform layers with Motor grader on prepared surface in proper grade and camber, compacting with vibratory power roller to achieve the desired density, including lighting, guarding, barricading, including cost of all materials, machinery, tools and plants and cost of quality control complete as per Clause 401 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).(v) Grading V

Wet Mix Macadam Base CourseProviding, laying, spreading and compacting graded stone aggregate to Wet Mix Macadam specification including screening of aggregates and granular materials, premixing the material with water at OMC in Wet 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, including supply of all materials, machinery, fuel and lubricants, including incidental costs for lighting, guarding, barricading, making earthen bundh to protect the edges including cost of quality control complete as per Clause 406 of Specifications for Road & Bridge Works of MoRT&H(5th Revision).

Providing and applying primer coat with Cationic Bitumen Emulsion of approved grade conforming to IS: 8887-1978 and requisite quantity on prepared surface of granular base including cleaning of road surface and spraying primer using Mechanical means including cost and carriage of bitumen emulsion and all other incidental costs of work complete as per Clause 502 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).(i) For WBM / WMM Surface: (with primer @ 0.70-1.0 kg/sqm)

Dense Bituminous MacadamProviding and laying dense bituminous macadam with Hot Mix Plant using crushed aggregate of specified grading, filler(Cement /hydrated lime / Rock dust) premixed with bituminous binder of approved grade @4.0% (min) for Grading -1 and 4.5% (min) for Grading -2 by weight of total mix as per table 500-1 O and mix design done as per table 500-11 and job mix formula as per clause 505.3.3 of MoRT&H (5th Revision), including screening, cleaning of chips , transporting the hot mix to work site, laying the mixed materials at specified layfng temperature, as specified In Table 500-2 with o hydrostatic paver finisher with sensor control to the required grade, level and alignment over prepared surface coated with tack coat, rolling with smooth wheeled and vibratory or tandem rollers or with a pneumatic tyre roller of 12 to 15 tonne weight with a tyre pressure of at least 0.56 MPa, to achieve the desired density as per clause 505.3.5, all includlng cost and carriage of bitumen, crushed aggregates, filler materials and hire charges of machinery and equipment for construction ond quality control complete as per Clause 505 of Specifications for Rood & Bridge Works of MoRT&H (5th Revision). B. For Grading 2 (26.5 mm nominal size, 50-75 mm thick.)(i) Using Batch Type HMP of minimum capacity 100-120 TPH.

Bituminous Concrete Providing and laying bituminous concrete with Hot Mix Plant using crushed aggregates, filler materials (Cement /hydrated lime /Rock dust) and premixed with bituminous binder of specified grading @5. 2% (min) for Gr.-1 & @5.4% (min) for Gr.-2 , as per table 500-17 and mix design done as per table 500-10 and job mix formula as per cl. 505.3.3, including screening, cleaning of chips and preparing a uniform and quality mix, transporting the hot mix to work site, laying the mixed materials at specified Joying temperature as specified In Table 500-2 with a hydrostatic paver finisher with sensor control to the required grade, level and alignment over prepared surface coated with tack coat, rolling with smooth wheeled and vibratory or tandem rollers or with a pneumatic tyre roller of 12 to 15 tonne weight with a tyre pressure ol at least 0.56 MPa, to achieve the desired density as per clause 505.3.5, including cost and carriage of bitumen, crushed aggregates, filler materials and hire charges of machinery ond equipment for construction and quality control, complete os per Clause 507 of Specifications for Road & Bridge Works of MoRT&H (5th Revision}. B. For Grading 2 (13.2 mm nominal size, 30mm/40 mm thick.)(i) Using Batch Type HMP of minimum capacity 100-120 TPH.

Water Bound Macadam Sub BaseWater Bound Macadam Sub Base by consolidating Jhama metal / Laterite chelly or stone metal / shingles of specific size in hard crust to requisite thickness (measured after compaction) in layers including screening of metals etc. as necessary, hand packing, sweeping, watering and rolling in stages with power roller to proper line, grade and camber, lighting, guarding & barricading and making necessary earthen bundh of one metre width on each side where necessary to protect edges and preparing the bed by necessary cutting or filling and rolling all complete including the cost of all materials and hire and labour charges of all men and machineries and compacting to the required density, as per Clause 404 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).(i) For Construction of Sub Base by consolidating Jhama metal (63 mm to 45 mm) with moorum screening :

Road Marking with Hot Applied Thermoplastic Compound with Reflectorising Glass Beads on Bituminous SurfaceProviding 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 complete as per Clause 803 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

Supplying & fixing of Raised Pavement Markers / Road Studs / Cats Eye made of polycarbonate moulded body and reflective panels with micro prismatic lens capable of providing total internal reflection of the light entering the lens face which shall support a load of 13635 kg tested in accordance to ASTM D 4280 Type H and complying to clause no 804 of MoRT&H's specification for Road &Bridge Works (Fifth Rev.). Marker height shall not be less than 10 mm and shall not exceed 20 mm, width shall not exceed 130mm and with minimum reflective area of 13 sq.cm. on each side and slope to the base shall be 35 ± 5 degree. Fixing will be without nails but by using epoxy resin based adhesive as per manufacturer's recommendation including site clearance etc. and complete as directed by the Engineer in Charge .The contractor will have to provide a test certificate from a reputable national/international laboratory conforming the above specifications.

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