WBPWD/SEWC-II/NIT6/2026-27

ROAD WORK Construction of embankment with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300-2 & 300-1 .The size course material in the mix of earth ordinarily shall not be exceed 75mm.(Reference to MoRT&H's specification clause 305). Carriage upto 5KM Using Govt. Land

Construction of embankment with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300-2 & 300-1 .The size course material in the mix of earth ordinarily shall not be exceed 75mm.(Reference to MoRT&H's specification clause 305). Using Private Land

Dismantling of Flexible Pavements Dismantling of flexible pavements and disposal of dismantled materials up to a lead of 1000 m, stacking serviceable and unserviceable materials separately By mechanical means : Bituminous Courses

Water Bound Macadam Sub Base Water 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). For Construction of Sub Base by consolidating Jhama metal (63 mm to 45 mm) with moorum screening

Wet Mix Macadam Base Course Providing, laying, spreading and compacting graded stone aggregate conforming to the grading of Table 400-13 revised vide Table 2 of IRC:109 (2015) 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. The thickness of a single compacted layer shall not be less than 75 mm. (Reference to MoRTH's Specification 406.)

Primer Coat Providing and applying primer coat with cationic bitumen emulsion CSS-1 grade conforming to IS:8887 on prepared porous granular surface including clearing of road surface and spraying primer using mechanical means. (Reference to MoRTH's Specification Clause 502). For WBM / WMM Surface: (with primer @ 0.85 kg/ sqm)

Bituminous Macadam Providing and laying bituminous macadam with 100-120 TPH hot mix plant using crushed aggregates of specified grading premixed with approved bituminous binder @ 3.3% (min) for Grading -1 and 3.4% (min) for Grading -2 by weight of total mix , transported to site, laid over a previously prepared base 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 (Reference to MORT&H's specification clause 504). For Grading II (19 mm nominal maximum aggregate size) Layer Thickness 50-75mm.

Tack Coat Providing and applying tack coat with Cationic Bitumen Emulsion (RS1) complying with IS:8887 using emulsion pressure distributor on the prepared bituminous/granular/cement concrete pavement surface cleaned with mechanical broom and high-pressure air jet. (Reference to MoRTH's Specification Clause 503). On Bituminous Surface: (Using Bitumen Emulsion at the rate of 0.25 kg per sqm.)

Tack Coat: Providing and applying tack coat with Cationic Bitumen Emulsion 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 treated with primer (Using Bitumen emulsion at the rate of 0.25 to 0.30 kg per sqm.) Using emulsion type CSS-1 type

Providing & laying Semi-dense Bituminous Concrete (SDBC) as wearing coarse by Hot Mix Plant, using coarse aggregates, fine aggregates, filler materials and binder of required specification and grading as per approved job mix formula, over thoroughly cleaned surface coated with tack coat, including screening, cleaning of aggregates, mixing the components as per approved Job Mix Formula with hot binder, carrying the mixture by tipper truck or any other approved suitable arrangements, laying the mixture uniformly, maintaining the specified laying temperature, thorough rolling with power roller with necessary hand packing and pinning to give an uniform surface to achieve the desired density of at least 98% of that of Laboratory Marshall specimen, including the cost and carriage of aggregates, filler and binder, heating the binder, preheating the aggregates, and filler to the specified temperature, including the hire charges of Hot Mix Plant and other machineries, pay of operators, cost of fuel and lubricants and all other incidental charges complete. For Grading 2 (10 mm nominal size, 25 mm thick.). Using Batch Type HMP of minimum capacity 100-120 TPH.