WBPWD/PWR/SE/EHC/NIeT-12/25-26

Removal of Unserviceable Soil with Disposal upto 1000 metres Removal of unserviceable soil including excavation, loading and disposal upto 1000 metres lead but excluding replacement by suitable soil which shall be paid separately as per Technical Specification Clause 302.3.11 for Rural Roads of MORD. (Mode of measurement: pre works and post works)

Supplying, spreading and compacting 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.

Water Bound Macadam Sub Base Water Bound Macadam Sub Base by consolidating Jhama metal 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 :

Picking up and removing old bituminous layer or sand sealing coat from old black topped surface and cleaning the exposed surface by scraping and stacking the material as directed. (a) By mechanicall means :(without milling machine) : (ii) From 50 mm to 100 mm thick.

Dismantling of Flexible Pavements Dismantling of flexible pavements and disposal of dismantled materials upto a lead of 1000 m, stacking serviceable and unserviceable materials separately as per Technical Specifications Clause 202 for Rural Roads of MORD. (I) By Manual Means b) Granular Courses

Granular Sub-base with Graded Material (Table:- 400-1) A. Plant Mix Method : Construction of granular sub-base by providing graded material, mixing in Wet Mix Plant atOMC carriage of mixed material to work sitespreading in uniform layers with Motor grader on prepared surface in proper grade and camber, Compacting with vibratory roller to achieve the desired density, including lighting, guarding, barricading, including cost of all materials, machinery, tools and plants including cost of quality control complete as per Clause 401 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (iIi) Grading – III

Granular Sub-base with Graded Material (Table:- 400-1) A. Plant Mix Method : Construction of granular sub-base by providing graded material, mixing in Wet Mix Plant atOMC, spreading in uniform layers with Motor grader on prepared surface in proper grade and camber, Compacting with vibratory roller to achieve the desired density, including lighting, guarding, barricading, including cost of all materials, machinery, tools and plants including cost of quality control complete as per Clause 401 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (iIi) Grading – V

Wet Mix Macadam Base Course 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 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: (Using Catonic Bitumen Emulsion @ 0.850 kg/sqm)

Providing and applying tack coat with Cationic Bitumen Emulsion of approved grade onforming to IS: 8887-1978 on the prepared surface leaned with Hydraulic broom, oistening 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). i) On Granular surfaces treated with primer (Using Bitumen Emulsion at the rate of 0.275 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). (i) On Bituminous Surface (Using Bitumen Emulsion at the rate of 0.250 kg per sqm.)

Dense Bituminous Macadam Providing and laying dense bituminous macadam with Batch Mix Plant (100-120 TPH) using crushed aggregate (Pakur variety) of specified grading, filler (Hydrated lime) premixed with bituminous binder (VG-30,Bulk)of approved grade @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 mix formula as clause 505.3.3 of MorRT&H(5th Revision), including screening cleaning of chips, 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 vibatory or tandem rollers or with a pneumatic tyre roller of 12 to 15 tonne weight with a pressure of at least 0.56 MPa, to achieve the desired density as per clause 505.3.5 all including cost and carriage of bitumen, crushed aggregates, filler mateials and hire charges of machinery and equipment for construction and quality control complete as per Clase 505 of Specifications for Road & Bridge Works of MoRTH&H(5th Revision). For Grading 2; (26.5 mm nominal size. ) Using Batch Type HMP of minimum capacity 100-120 TPH. (Before execution of DBM, Mix design shall be approved by the EIC)

Bituminous Concrete Providing and laying bituminous concrete with Hot Mix Plant using crushed aggregates (Pakur Variety), filler materials (Hydrated Lime ) and premixed with bituminous binder (Bulk, VG-30) of specified grading @ 5.20% (min) for Grade - 1 & @ 5.40% (min) for Grade - 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 temparature as specified in Table 500-2 with 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 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. (Before execution of BC, Mix design shall be approved by the EIC)

Road Marking with Hot Applied Thermoplastic Compound with Reflectorising Glass Beads on Bituminous Surface: 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.

Protection of embakement nearly 3600 mm away from new carriageway by closely driven 150 mm. dia single row eucalyptus ballah each of 5000 mm total length,driven 3000 mm into ground or bed of pond/water body in standing water condition @ 350mm centre to center with 2000 mm exposed height with Tie Post 100 mm. dia of length 1800 mm (driving length 1600 mm) @ 2500c/c complete with 2 coat coal tarring including supplying & driving U.C. Bullah complete in all respect as per drawing and direction of Engineer-In-Charge.

SUB TOTAL

GST @ 18% over Sl. No. 1 to 15 (Sl.No.16)

Labour Welfare Cess @ 1% over Sl. No. 1 to 16

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