WBPW(ROADS)/SE/ NHC /NIT-06 /2025-2026/01

Repairing pot-holes and making up small depressions with ramming or power rolling including screening, cleaning chips or metals and washing, drying as necessary and heating the chips or metal where necessary, cutting pot holes to regular shapes with vertical edges, cleaning the disintegrated materials, heating matrix and applying tack coat (including sides), finishing the top of repaired surface levelled with adjoining area, including cost and carriage of stone aggregates and matrix, excluding cost of applying tack coat. With premixed Pakur Variety Stone Chips with 54 kg of bitumen (VG-30) per m3 of loose net volume of stone chips using Mobile HMP (Light Duty). (The payment is to be made on the basis of loose net volume of stone materials consumed in the work)

Providing and applying tack coat with RS-1 grade Cationic Bitumen Emulsion (PACKED) of approved grade conforming to IS: 8887-1978 on the prepared surface cleaned with Hydraulic broom, moistening the surface including cost and carriage of emulsion, hire charges of machinery and labour, cost of fuel and lubricants all complete as per Clause 503 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). On Bituminous surfaces to be treated with primer @ 0.250 kg per sqm.)

Providing 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) or Grading -1 and 4.5% (min) for Grading -2 by weight of total mix as per table 500-10 and mix design done as per Table 500- 11 and job mlx formula as per clause 505.3.3 of MoRT&H (5th Revision), including screening, cleaning of chips , transporting the hot mlx to work site, laying the mixed materials at specified laying 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 tock coat, rolling with smooth wheeled and vibratory or tandem rollers or with a pneumatic tyre roller of 12 to t5 tonne weight with a tyre pressure of at least 0.55 MPa, to achieve the desired density as per clause 505.3.5, all including cost and carriage of bitumen, crushed aggregates, filler materials and hire charges of machinery and equipment for construction and quality control complete as per Clause 505 of Specifications for Rood & Bridge Works of MoRT&H (5th Revision). For Grading 2 (26.5 mm nominal size, 50 mm Compacted thick.) Using Batch Type HMP of minimum capacity 100-120 TPH With Pakur Variety Stone Aggregates and IOCL's Bitumen (VG-30)

Providing and laying bituminous concrete with Hot Mix Plant using crushed aggregates, fillers 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 laying 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 tock 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, Including cost and carriage of bitumen, crushed aggregates, filler materials and hire charges of machinery and equipment for construction and quality control, complete as per Clause 507 of Specifications for Rood & Bridge Works of MoRT&H (5th Revision). For Grading 2 (13.2 mm nominal size, 30 mm Compacted thick.) Using Batch Type HMP of minimum capacity 100-120 TPH With Pakur Variety Stone Aggregates and IOCL's Bitumen (VG-30)

Providing and fixing of retro- reflectorised cautionary, mandatory and informatory sign as per IRC :67 made of high intensity grade sheeting vide clause 801.3, fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing and Clause 801 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). 90 cm equilateral triangle.

Providing and fixing of retro- reflectorised cautionary, mandatory and informatory sign as per IRC :67 made of high intensity grade sheeting vide clause 801.3, fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing and Clause 801 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). 90 cm high octagon.

Providing and erecting direction and place identification retro- reflectorised sign as per IRC :67 made of high intensity grade sheeting vide clause 801.3, fixed over aluminium sheeting, 2 mm thick with area exceeding 0.9 sqm supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm, 2 Nos. firmly fixed to the ground by means of properly designed foundation with M 15 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing and Clause 801 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

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 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.