WBPW(ROADS)/Sr. SE/ NHC /NIT-09 /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. [Tack coat is to be considered separately] With premixed Chips or Bajrees with 54 kg of bitumen per m3 of loose net volume of stone chips using concrete mixer machine. (The payment is to be made on the basis of loose net volume of stone materials consumed in the work) Using Mobile HMP (Light duty). Using Pakur Variety stone aggregates and Packed Bitumen (VG-30)

Providing and applying primer coat with SS-1 grade Cationic Bitumen Emulsion (PACKED) 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). over WBM / WMM Surface @ 0.85kg/sqm)

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 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 Granular surfaces to be treated with primer @ 0.275 kg per sqm.)

Patching of potholes by draining water, cutting the pothole area to rectangular shape with vertical edges, removing all loose materials, screening and stacking the same for reuse with new materials as per requirement, filling the pothole area with additional volume of crushed stone materials / laterite / Jhama / broken shingles / coated stones of Pakur variety etc. and screenings as applicable, and compacting the same with static roller as per Water Bound Macadam Specification, including cost of all materials and machineries. Using Pakur Variety stone aggregates.

Providing and laying bituminous macadam with Mobile Hot Mix Plant (Light Duty) using approved crushed aggregates of specified grading as per Table 500.7 premixed with bituminous binder, transported to site laid over a previously prepared surface at specified laying temperature by means of approved and suitable arrangements to the required grade, level and alignment and rolled with suitable power roller for break down, inter-mediate and finished rolling as per specification to achieve the desired compaction including cost and carriage of stone materials and bitumen, hire charges of machinery and equipment, cost of fuel and lubricants and wages of operational staff, quality control complete as per Specifications for Road & Bridge Works of MoRT&H (5th Revision). For Grading 1 (40 mm nominal size, 80-100 mm thick.) Using Pakur Variety Stone Aggregates and IOCL's VG-30 (Packed) Grade Bitumen.

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 Grading –1 and @ 5.4% (min) for Grading –2 as per table 500-17 and mix design done as per table 500-10 and Job Mix Formula as per clause 505.3.3 of MoRT&H (5th Revision), including screening, cleaning of chips and preparing a uniformed 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 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 , 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 Road & Bridge Works of MoRT&H (5th Revision). For Grading - 2 : (13.2 mm nominal size). Using Batch Type HMP of minimum capacity 100-120 TPH. Using Pakur Variety Stone Aggregates and IOCL's VG-30 (Bulk) Grade Bitumen. 40mm Compacted Thinkness.

Providing and laying Mastic asphalt wearing course with paving grade bitumen meeting the requirements given in table 500-29 using approved coarse aggregate, fine aggregate, filler material and bitumen, prepared by using Mastic cooker including cost and carriage of all ingredients, cost of heating aggregates and binder, mixing in specified proportions conforming to approved Job Mix Formula and laid to required level and slope after cleaning the surface, compacting, sealing the construction joints and surface finishing conforming to specifications including providing antiskid surface with bitumen pre-coated fine-grained hard stone chipping of 13.2 mm nominal size at the rate of 0.005 cum 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 100°C, protruding 1 mm to 4 mm over mastic surface, including the hire charges of all tools and plants and machinery, pay of operators, cost of fuel and lubricants and all other incidental charges and quality control all complete as per Clause 516 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). 25 mm Compacted thickness. Using Pakur Variety Stone Aggregates and IOCL's VG-30 (Packed) Grade Bitumen and 10/20 (Packed) Bitumen.

Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 for Rural Roads of MORD. (Mode of measurement: pre works and post works)