WBPWD/EE/NIT-12/25-26/Sl-3

Dressing and chilchalling Road flanks including cutting and filling with earth up to 150 mm average thickness finished with outward cross grade of 1 in 30. (Extra quantity of earth for filling shall be obtained from road side borrow pits.)

Dismantling of flexible pavements and disposal of dismantled materials upto a lead of 100 m, stacking serviceable and unserviceable materials separately as per Technical Specifications Clause 202 for Rural Roads of MORD. by Mechanical Means. a) Bituminus Courses

Dismantling of flexible pavements and disposal of dismantled materials upto a lead of 100 m, stacking serviceable and unserviceable materials separately as per Technical Specifications Clause 202 for Rural Roads of MORD. By Manual Means a) Granular Courses

Providing, 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 laying Bituminous Profile Corrective Course using Mobile Hot Mix Plant (Light Duty) and using aggregates of Grading-2 of Table-33 premixed with 75kg of bitumen per cum, transported to site laid over a previously prepared surface at specified laying temperature to the required grade, level and alignment, 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 direction of Engineer-incharge. Included the are of Pathing Zone. Included the are of Pathing Zone.

Providing & Laying 20 mm thick Mix Seal Surfacing (MSS) Providing, laying and rolling of close graded premix surfacing using materials of 20 mm thickness composed of 11.2mm to 0.09mm (For Type – A) or 13.2mm to 0.09mm ( For Type – B) aggregates using penetration grade bitumen to the required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a smooth wheeled roller 8 – 10 tonne capacity and finishing to required level and grade etc. including all other incidental charges, quality control as per clause 508 of specifications for Road & Bridge Works of MoRT&H (5th Revision) complete. (b) Type – B : Using 1.9 kg bitumen per square meter surface area : i) Using Hot Mix Plant not less than 75 T / Hr.

Supplying and mixing stable anti- stripping agent of approved quality conforming to Table -A 5 - 1 of Appendix-5 of specification for Road & Bridge Works of MORT&H(Rev-4) to the binder @ 0.5% to 1% by weight of binder (depending up on size & stripping value of the aggregates ) and allowing 15 to 30 minutes of circulation or stirring in the hot bitumen tank to ensure a homogeneous mix of binder and anti- stripping agent for different bituminous works as per Technical Specifications in given n Appendix -5 of specification for Road & Bridge Works of MoRT&H (Rev-5) and direction of Engineer-in- Charge complete

Prime Coat 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). For WBM / WMM Surface: (with primer @ 0.85 kg/sqm). Using SS-1 Type packed bituminous emulsion.

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).(ii) On Granular surfaces treated with primer (Using Bitumen emulsion at the rate of 0.25 to 0.30 kg per sqm.)

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 Bituminous surfaces treated with primer (Using Bitumen Emulsion at the rate of 0.275 kg per sqm). Using RS-1 Type packed bituminous emulsion.(i) On Bituminous Surface (Using Bitumen Emulsion at the rate of 0.20 to 0.30 kg per sqm.)

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