Reconstruction of Naya Gaon to Aslampur Bhullan road. (Including 5 Year maintenance period - Construction of granular sub-base by providing well graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavatorat OMC, and compacting with smoothwheelroller to achieve thedesired density, complete as per Technical Specification Clause 401. 2 Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smoothwheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405. 3 Providing, laying, spreading and compacting graded stone aggregate (WMM) after mixing with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying with 1% OPC Cement and 3.5% Emulsion in uniform single layer on sub- base/sub-grade and compacting with Road roller to achieve the desired density. 4 Providing and applying tack coat with bitumen (VG-10)using bitumendistributor at the rate of 0.25 kg per sqm on the prepared granular surfaces treated with primer & cleaned with Hydraulic broom as per Technical Specification Clause 503. 5 Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen or emulsion to 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 three wheel 80-100 kN static roller capacity, finished to required level and grades to be followed by seal coat of either Type B as per Technical Specification Clause 508. 6 Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type B as per Technical Specification Clause 510 7 Construction ofun-reinforced, dowel jointed at expansion and construction joint only, plain cement concrete pavement, thickness as per design, over a prepared sub base, with 43 grade cement or any other type as per Clause 1501.2.2 M30 (Grade), coarse and fine aggregates conforming to IS:383, maximum size of coarse aggregate not exceeding 25 mm, mixed in a concrete mixer of not less than 0.2 cum capacity and appropriate weigh batcher using approved mix design,laid in approved fixed side formwork (steel channel, laying and fixing of 125 micron thick polythene film, wedges, steel plates including levelling the formwork as per drawing), spreading the concrete with shovels, rakes, compacted using needle, screed and plate vibrators and finished in continuous operation including provision of contraction and expansion, construction joints, applying debonding strips, primer, sealant, dowel bars, near approaches to bridge/culvert and construction joints, admixtures as approved, curing of concrete slabs for 14-days using curing compound (where specified) and water finishing to lines and grade as per drawingand Technical Specification Clause 1501 8 Earth work in excavation in ordinary soil in foundation trenches etc. including lifts upto 1.50 M and lead upto 30 M and including filling, watering and ramming of excavated earth into trenches or into space between sides of foundation trenches and removal and disposal of surplus earth as directed by the Engineer in Charge. 9 Cement concrete with 4 cm gauge approved stone aggregate, coarse sand and cement in proportion 8:4:1 in foundation, mechanically mixed and vibrated including supply of all material, labour and T&P etc. required for proper completion of work. 10 R.C.C. work with cement, approved coarse sand and 20mm gauge approved stone grit in proportion of 1:1.5:3 in slabs/C.C. road excluding supply of reinforcement and its bending but including its fixing and binding the same with 24 B.W.G.G.I binding wire and including necessary centering and shuttering etc. required for proper completion of work, binding wire to be supplied by the contractor free of cost. 11 M.S. torsteel in plain work such as R.C.C. or R.B. work including binding for proper shape and including supply of steel and its wastage, bend hooks and autorised overlapping shall be measured. 12 Construction of sub-grade and earthen shoulders with approved material obtained from borrow pits with all lifts & leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table No. 300-2 13 Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom, backfilling the excavation earth to the extent required and utilising the remaining earth locally for road work. 14 Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days. 15 R.C.C. work with cement, approved coarse sand and 20mm gauge approved stone grit in M25 in foundation excluding supply of reinforcement and its bending but including its fixing and binding the same with 24 B.W.G.G.I binding wire and including necessary centering and shuttering etc. required for proper completion of work, binding wire to be supplied by the contractor free of cost. 16 Supplying, Fitting and Placing un-coated HYSD bar Reinforcement in Foundation complete as per Drawing and Technical Specifications complete as per MORTH Specification 1600. As per Sr. No. 15.13 17 Supplying & Fixing PVC pipe for bridge work of pressure 6 kg/cm² of 100mm internal dia including cost of all materials, labour and T&P etc. required for proper completion of work as per item no. 24, ch. 1 of PWD S.O.R.(for weep hole). 18 Providing and laying boulder apron for bed protection with stone boulders of minimum size and weight as per Table 1300.1, no fragmentweighing less than 25 kg laid dry complete as per drawing and technical specifications Clause 1301 19 Construction of embankment with approved material obtained from borrow pits with all lifts andleads, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300-2. 20 Construction of granular sub-base by providing well graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavatorat OMC, and compacting with smoothwheelroller to achieve thedesired density, complete as per Technical Specification Clause 401. 21 Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smoothwheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening/binding materials to fill-up the interstices of coarse aggregate, watering and compacting to the required density grading 2 as per Technical Specification Clause 405. 22 Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smoothwheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405. 23 Providing and applying primer coat with bitumen emulsion (SS-2) grade on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.70 kg/sqm using mechanical means as per Technical Specification Clause 502 24 Brick soling with straight over burnt bricks laid on edge and dry and edging on both sides including preparation of sub grade to prescribed camber and including supply of brick filling joints with local earth over the entire surface and including labour and T&P etc. required for proper completion of work. As per S.I. No. 762 (b). 25 De-Watering by diesel pumping set of 5 HP capacity during the construction of Bridge & Culverts etc. including hire charges of pumping set and its POL, Labour and T&P etc. required for proper completion of work as directed by the Engineer-in-charge. (New Item No. 2 Chap. 19 Miscellaneous) 26 Providing and laying pitching on slopes laid over prepared filter media as per drawing and technical specifications Clause 1302 27 Providing and laying filter material underneath pitching in slopes complete as per drawing and technical specifications Clause 1302 28 Providing and laying of boulder apron laid in wire crates with 4 mm dia GI wire conforming to IS:280 and IS:4826 in 100 mm x 100 mm mesh (woven diagonally) including 10 per cent extra for laps and joints laid with stone boulders weighing not less than 25 kg each as per drawing and technical specifications Clause 1301 29 Routine Maintenanceof road after completion work (A) Carriageway/Pavement: (a) Potholes,cracks,other surface defects(SWMM & BC), (b) Repair of Edges, Rutting(BC). (B) Road, Embankment, Cuttings, Shoulders, Trees & Plantation: (a) Roads Maintained free of edge drop, inadequate cross fall, undulations, settlement, Ponding (E/W), (b) Deficient slopes, rain cuts in embankments (E/W), (c) Vegetation growth, Loping of tree branches. (C) Bridges and Culverts: (a) De-silting, (b) Clearing vegetation growth (Jungle Clearance), (c) Damaged/disturbed boulder pitching, breast /toe wall retaining wall, apron flooring , guide bunds (Boulder Apron), (d) Parapet, any damage to foundations, (e) Any defects in sub-structures, (f) Any defects in superstructures, raillings, parapets., (g) wearing coat, (h) Approach slab, (i) Painting & lettering of No. plates, repairs. (D) Repair of Roadside Drains: (a) Brick Work in 1:4, (b) Plaster, (c) CC-1:2:4. (E) Road Furniture: (a) Cleaning, Painting & lettering of stones & sign boards, Replacement of damaged/ missing stones & sign boards., (b) 200 m stones, (c) Km stones, (d) 5th km stones,. Maintenance requirement as per above and Mentioned in Special Conditions of Contract for Maintenance.Payment of Maintenance work asPercentage of final Civil Construction Cost. 30 For Ist Year @ 0.00 % for Bituminous (PC) road 31 For IInd Year @ 1.00 % for Bituminous (PC) road 32 For IIIrd Year @ 1.50 % for Bituminous (PC) road 33 For IVth Year @ 2.00 % for Bituminous (PC) road 34 For Vth Year @ 3.00 % for Bituminous (PC) road 35 For Ist Year @ 0.00 % for Cement Concrete road 36 For IInd Year @ 0.25 % for Cement Concrete road 37 For IIIrd Year @ 0.50 % for Cement Concrete road 38 For IVth Year @ 0.75 % for Cement Concrete road 39 For Vth Year @ 1.00 % for Cement Concrete road
