|
| 1 | The agency have to evaluate the proposed scheme / technique and finalization of scheme with NALCO with required soil test and submit the detailed study report. Design and detailed Engineering, including submission of all Engineering drawings, detailed design including submission of finalized layout scheme. |
| 2 | Earth work in rough excavation, banking excavated earth in layers not exceeding 20 cm in depth, breaking clods, watering, rolling each layer with ½ tonne roller or wooden or steel rammers, and rolling every 3rd and top-most layer with power roller of minimum 8 tonnes and dressing up in embankments for roads, flood banks, marginal banks and guide banks or filling up ground depressions, lead upto 2.00KM and lift upto 1.5 m in all kinds of soil |
| 3 | Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30cm in depth. 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50m and lift upto 1.5m, disposed earth to be levelled and neatly dressed in all kinds of soil. For box cutting) |
| 4 | Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. in all kinds of soil. |
| 5 | Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m to 3.00 mincluding getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. in all kinds of soil (Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials in all kinds of soil) |
| 6 | Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 3.00 m to4.50 mincluding getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. in all kinds of soil (Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials in all kinds of soil) |
| 7 | Back filling with selected excavated earth or any other materials around the foundations, under floors, pavements or any other places in layers not exceeding 15 cm, watering and ramming, consolidating etc. complete. |
| 8 | Supplying and fillingwith stone dust under floors, abutments etc. including watering, ramming, consolidating and dressing complete |
| 9 | Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth upto 30 cm measured at a height of 1m above ground level and removal of rubbish upto a distance of 50 m outside the periphery of the area cleared |
| 10 | Felling trees of the girth (measured at a height of 1 m above ground level), including cutting of trunks and branches, removing the roots and stacking of serviceable material and disposal of unserviceable material. Beyond 30 cm girth upto and including 60 cm girth |
| 11 | Felling trees of the girth (measured at a height of 1 m above ground level), including cutting of trunks and branches, removing the roots and stacking of serviceable material and disposal of unserviceable material. Beyond 60 cm girth upto and including 120 cm girth |
| 12 | Felling trees of the girth (measured at a height of 1 m above ground level), including cutting of trunks and branches, removing the roots and stacking of serviceable material and disposal of unserviceable material. Beyond 120 cm girth upto and including 240 cm girth |
| 13 | Providing and laying in position cement concrete of 1:3:6 (1 Cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) specified grade as per following excludingthe cost of centering and shuttering - All work up to plinth level(CEMENT SHALL BE ISSUED FREE OF COST FROM NALCO\"S STORE / ISSUE POINT) |
| 14 | Providing and laying cement concrete 1:2:4 (1 Cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) in kerbs, steps and the like at or near ground level excluding the cost of centering, shuttering and finishing. |
| 15 | Reinforced cement concrete work 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size)in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement. (REINFORCEMENT STEEL AND CEMENT SHALL BE ISSUED FREE OF COST FROM NALCO\"S STORE / ISSUE POINT) |
| 16 | Reinforced cement concrete work in M-250 grade design Mix in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement :(REINFORCEMENT STEEL AND CEMENT SHALL BE ISSUED FREE OF COST FROM NALCO\"S STORE / ISSUE POINT) |
| 17 | Providingandfixing, centeringand shutteringincludingcurved,hexagonal andsuchothershapedshuttering for following asdirectedincludingstrutting,bracing,proppingetc. keeping thesame inposition during concreting andremoval of the same after specified periodetc. complete for all depths in foundations, footings, bases of columns, etc up to plinth |
| 18 | Providingandfixing, centeringand shutteringincludingcurved,hexagonal andsuchothershapedshuttering for following asdirectedincludingstrutting,bracing,proppingetc. keeping thesame inposition during concreting andremoval of the same after specified periodetc. complete for all depths and heights inColumns, Pillars, Piers, Abutments, Posts and Struts |
| 19 | Bending / Binding and placing in position high yield deformed bars reinforcement conforming to IS:1139 or cold twisted deformed bars reinforcement conforming IS:1786 for R.C.C. work at all height and depths, carting the same from store / issue points to site of work, straightening, cleaning, bending to required shape and lengths as per details, including supplying and binding with contractor\"s own 16 SWG soft annealed binding wire and placing with proper cover blocks, supports, chairs, spacers and return of unused / scrap / unserviceable steel to owner\"s storagepointetc.allcomplete. [REINFORCEMENT STEEL / TOR STEEL SHALL BE ISSUED FREE OF COST AT NALCO\"S STORE] |
| 20 | Random rubble masonry in Cement mortar 1:6 (1 cement : 6 coarse sand) with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) upto plinth level with :(CEMENT SHALL BE ISSUED FREE OF COST FROM NALCO\"S STORE / ISSUE POINT) |
| 21 | Providing and fixing stainless steel ( Grade 304) railing made of Hollow tubes, channels, plates etc., including welding, grinding, buffing, polishing and making curvature (wherever required) and fitting the same with necessary stainless steel nuts and bolts complete, i/c fixing the railing with necessary accessories & stainless steel dash fasteners , stainless steel bolts etc., of required size, on the top of the floor or the side of waist slab with suitable arrangement as per approval of Engineer-in-charge, ( for payment purpose only weight of stainless steel members shall be considered excluding fixing accessories such as nuts, bolts, fasteners etc.). |
| 22 | Providingandlaying 15mm thick cement plaster in cement mortar 1:6 (1cement: 6sand) on the rough sides of single or half brick wall or masonary work using approved type sand including curing etc. all complete for all heights.( CEMENT WILL BE ISSUED FREE OF COST AT NALCO\"S STORE ) |
| 23 | Providingand applying arcylic paintNew work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/ 10 sqm), togivean even shadeafterremovingtheforeign particlewithwire brushetc.( where ever required) onnewwork specified at all heights includingalllabour , tools , tackles scaffolding , consumablesand materials required for theworkand asdirected by the Engineer-in-charge. |
| 24 | Painting two or more coatswith synthetic enamel paint of approved brand and manufacturein all shades on all types of surface like steel/wood/concrete/plaster/for lettering etc. all complete up to the direction of Engineer-in-Charge. |
| 25 | Demolishing cement concrete Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix) manually / by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. |
| 26 | Preparation and consolidation of sub grade with power road roller of 8 to 12 tonne capacity after excavating earth to an average of 22.5 cm depth, dressing to camber and consolidating with road roller including making good the undulations etc. and re-rolling the sub grade and disposal of surplus earth with lead upto 50 metres. |
| 27 | Dry stone pitching 22.5 cm thick including supply of stones and preparing surface complete. |
| 28 | Providing and fixing 15 cm dia at top, 20 cm at bottom and 90 cm high precast reinforced cement concrete 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size) boundary stone as per standard design, including finishing smooth with cement mortar 1:3 (1 cement : 3 fine sand) (cost of excavation, refilling and concreting to be paid for separately). (CEMENT SHALL BE ISSUED FREE OF COST FROM NALCO\"S STORE / ISSUE POINT) |
| 29 | Providing fitting & fixing expansion joints with M.S. Angles 75mm. X 75 mm. X 6 mm. at the edges of the slab with suitable anchoring arrangements by 12mm. M.S. Bars as per MOST design & drawing including fitting, fixing & welding with 6 mm. plates & filling joints of wearing coat with bitumen joint filler 12 mm. thick & joint sealing compound at top including painting of exposed surface of M.S. covered plates with anticorrosive bitumanstic paint etc. with cost, conveyance taxes of all materials labour & T&P etc. complete in all respects as per specification & direction of the Engineer-in-Charge. |
| 30 | Providing and applying tack coat using hot straight run bitumen of grade VG - 30, including heating the bitumen, spraying the bitumen with mechanically operated spray unit fitted on bitumen boiler, cleaning and preparing the existing road surface as per specifications :On W.B.M. @ 0.75 Kg / sqm.(BITUMEN SHALL BE PROCURED BY THE CONTRACTOR AT HIS OWN COST) |
| 31 | Providing and applying tack coat using bitumen emulsion conforming to IS: 8887, using emulsion pressure distributer including preparing the surface & cleaning with mechanical broomOn W.B.M / W.M.M. @ 0.4kg/sqm etc. complete in all respects as per specification & direction of the Engineer-in-Charge. |
| 32 | 50 mm average thick premix carpet surfacing with paving Asphalt grade VG - 30 with no solvent using 2.25 cum and 1.12 cum of stone chippings of 13.2 mm and 11.2 mm size respectively per 100 sqm and 52 kg and 56 kg of hot bitumen per cum of stone chippings of 13.2 mm and 11.2 mm size respectively, including a tack coat using bitumen emulsion conforming to IS: 8887, using emulsion pressure distributer, including consolidation with road roller of 6 to 9 tonne capacity etc. complete (tack coat to be paid for separately).(BITUMEN SHALL BE PROCURED BY THE CONTRACTOR AT HIS OWN COST) |
| 33 | Providing and laying 6 mm average thckness with seal coat of premixed fine aggregate (passing 2.36 mm and retained on 180 micron sieve) with bitumen using 128 kg of bitumen of grade VG - 30 bitumen per cum of fine aggregate and 0.60 cum of fine aggregate per 100 sqm of road surface, including rolling and finishing with road roller all complete.(BITUMEN SHALL BE PROCURED BY THE CONTRACTOR AT HIS OWN COST) |
| 34 | Providing and fixing Glow studs of size 100x20 mm made of heavy duty body shall be moulded ASA (Acrylic styrene Acryloretrite ) or HIP (High impact polystyrene) or ABS having electronically welded micro- prismatic lens with abrasion resistant coating as approved by Engineer in charge. The glow stud shall support a load of 13635 kg tested in accordance with ASTM D4280. The slope of retro- reflective surface shall be 35 (+/-5) degress to base .The reflective panels on both sides with at least 12 cm of reflective area up each side. The luminance intensity should be as per the specification and shall be tested as described in ASTM I: 809 as recommended in BS: 873 part 4 : 1973. The studs shall be fixed to the Road surface using the adhesive conforming to IS, as per procedure recommended by the manufacturer complete and as per direction of Engineer-in-charge |
| 35 | Providing Retro-reflective regulatory sign board of size 900 mm dia meter made out of 2 mm thick aluminium sheet, face to be fully covered with high intensity encapsulated lens type retro -reflective sheeting as approved by Engineer-in-charge . Letter, symbols, borders etc. will be as per IRC - 67 with required colour scheme on the boards and with the high intensity grade A. The aluminium sheet to be riveted to M.S. frame of angle iron of size 40x40x4 mm. The boards will be fixed to 1 No. 50x50 mm square post made of M.S. angle 50x50x4 mm, 4 m long welded to the frame with adequate anti-theft arrangement .Sheet work to be painted with two or more coats of synthetic enamel paint over an under coat (primer) and back side of aluminium sheet to be painted with two or more coats of epoxy paint including appropriate priming coat complete in all respects as per direction of Engineer-in-charge. |
| 36 | Providing and applying 2.5 mm average thick road marking strips (retroreflective) of specified shade/ colour using hot thermoplastic material by fully/ semi automatic thermoplastic paint applicator machine fitted with profile shoe, glass beads dispenser, propane tank heater and profile shoe heater, driven by experienced operator on road surface including cost of material, labour ,T&P, cleaning the road surface of all dirt, seals, oil, grease and foreign material etc. complete as per direction of Engineer-in-charge and accordance with applicable specifications |
| 37 | Construction of granular sub-base by providing close graded Material conforming to Grade-I (size range 75 mm to 0.075 mm) having CBR Value-30conforming to specifications, mixing in a mechanical mix plant at OMC, carriage of mixed material by tippers to work site, for all leads & lifts, spreading in uniform layers of specified thickness with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per specifications and directions of Engineer-in-Charge. |
| 38 | Construction of granular sub-base by providing close graded Material conforming to Grade-II (size range53 mm to 0.075 mm) having CBR Value-25 conforming to specifications, mixing in a mechanical mix plant at OMC, carriage of mixed material by tippers to work site, for all leads & lifts, spreading in uniform layers of specified thickness with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per specifications and directions of Engineer-in-Charge. |
| 39 | Providing, laying, spreading and compacting graded stone aggregate (size range 53 mm to 0.075 mm ) to wet mix macadam (WMM) specification including premixing the material with water at OMC in mechanical mix plant, carriage of mixed material by tipper to site, for all leads & lifts, laying in uniform layers with mechanical paver finisher in sub- base / base course on well prepared surface and compacting with vibratory roller of 8 to 10 tonne capacity to achieve the desired density, complete as per specifications and directions of Engineer-in- Charge |
| 40 | Providing and laying factory made coloured chamfered edge Cement Concrete paver blocks of required strength, thickness & size/shape, made by table vibratory method using PU mould, laid in required colour & pattern over 50mm thick compacted bed of fine sand, compacting and proper embedding/laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using plate vibrator, filling the joints with jamuna sand and cutting of paver blocks as per required size and pattern, finishing and sweeping extra sand in footpath, parks, lawns, drive ways or light traffic parking etc. complete as per manufacturer\"s specifications & direction of Engineerin-Charge. 60mm thick C.C. paver block of M-35 grade with approved colour, design & pattern. |
| 41 | Providing & laying Elastomeric Bearing Pad Top & Bottom Layers of pad 3 mm thick, Intermediate steel plates- 3 Nos. of 5 mm thick, Rubber pad-4 Nos. of 10 mm thick as per specifications & drawings with Polythene and adhesive including testing of size 630 mm x 220 mm x 61 mm as per IRC (83 Part-II) 1987 |
