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| 1 | App (A) - Design , Supply, Installation andCommissioning of Iron Removal plant, Pressure Sand filter & Chlorine Dosing system |
| 2 | Supply, erection and commissioning of 8 L P S capacity pressure filter as per technical demand and site condition using mild steel epoxy coated filter vessel with 1400mm dia and HOS 2200 mm minimum and maximum thickness should not be less than 6 mm with man hole and cover for easy inspection at top and an opening provision for media removing arrangement at bottom side with dummy arrangement capable of discharging water at 8L P S with a capacity to with stand the operating head which is necessary to deliver water to OH Tank at 12.0 m height, with best quality suitable size Butterfly / MULTIPORT Valve for easy back washing ,rinsing and filtering. The unit should withstand a internal pressure if 10 kg/cm2 . The container should have a manhole with cover at top for easy inspection of the unit, provision for door / dummy at the bottom for media removal. The scope of work includes all related civil work like solid staging pass arrangement suitable weather protection arrangements with MS fabrication and traffod sheets as per specification etc using suitable pipe materials. All the metallic parts should be painted with approved quality anti-corrosive paint. The unit should be so installed at suitable point that the operation and maintenance is easy. Details of filter media are - The supporting media include Pebbles of 1.5 inch - 1 inch, Pebbles 0.75 inch-0.5 inch Pebbles 3/8 inch - 1/4 inch, Silex Coarse 1/2 mm - 1/4 mm, Silex Medium - 1/4 mm - 1/8 mm The filter media includes Silex Fine 8/16 mm and Quartz Sand 16/32 mm. The filter media should have good performance life for a minimum period of 3 yrs. The system should be compatible as per the site condition and other units including motor pump sets.The whole installed system will be under guarantee for 3 years from the date of commissioning. The technical details including drawing and specifications of the filter unit and accessories, O&M manual with guide lines for trouble shooting shall also be submitted in two set and trial run should be conducted as per the direction of Deptl officers. |
| 3 | Design, manufacturing, installing and commissioning as per the technical demand and the site conditions and as directed by the engineer in charge for 1 No of Iron removal plant using mild steel epoxy coated Filter Vessel with 1400 mm dia & hos 2200 mm minimum & minimum thickness should not be less than 6mm with manhole and cover for easy inspection at top and an opening provision for media removing arrangement at bottom side with dummy arrangement, capable of discharging water at 8 L P S with a capacity to with stand the operating head of 25 meters with best quality suitable size Butterfly/MULTIPORT Valve fore easy back washing rinsing and filtering. (Characteristics :- Effective size of iron removal media- 1.4mm - 0.6mm - Uniformity co efficient- 1.5 -2.0 The supporting media include Pebbles of various sizes as mentioned under pressure sand filter... depth 20 cm ; Grit of size-6.35 mm- 3.2 mm- depth 20 cm). The type of iron removal media includes either a combination of Katalox Light or MnO2 or a combination of BIRM; MnO2 (NSF approved) media based on the water characteristics. The filter media should have good performance life for a minimum period of 3 yrs. The scope of work include all related civil works like solid staging pass arrangement, suitable weather protection arrangement with MS fabrication and trafford sheets as per specification and trial run should be conducted as per the direction of Departmental Officers |
| 4 | Design, Supply and installation based on site conditions and as directed by the Engineer charge and commissioning of 1 No of Chlorine Dosing System with all necessary accessories. The chlorine solution shall be directly injected to the system at suitable point by using suitable chemical closing pump (mechanical; diaphragm pump ) having adjustable discharge up to 10 ltrs/ Hr at a delivery pressure of 15 kg/cm2 so as to maintain, required residual chlorine in the treated water as per the norms including all accessories such as suitable angle stand;to fix the pump set, best quality 100 ltrs PVC Tank to the correct alignment and wiring from existing panel board to the pump set by using power cables encased in PVC Conduit and trail running |
| 5 | App (B) : Construction of platform for fixing pressure filter and iron removal plant |
| 6 | 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 up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.All kinds of soil |
| 7 | Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) |
| 8 | Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level:1:1:5:3 (1 cement 1.5 coarse sand :3 graded stone aggregate 20 mm nominal size |
| 9 | Centering and shuttering including strutting, etc. and removal of form for:Foundations, footings, bases of columns, etc for mass concrete |
| 10 | Centering and shuttering including strutting, etc. and removal of form for: |
| 11 | Centering and shuttering including strutting, etc. and removal of form for:Columns, Pillars, Piers, Abutments, Posts and Struts |
| 12 | Centering and shuttering including strutting, etc. and removal of form for: |
| 13 | Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete upto plinth levelThermo - Mechanically Treated bars of grade Fe-500D or more |
| 14 | Solid block masonry using pre cast solid blocks (Factory made) of size 40x20x10 cm or nearest available size confirming to IS 2185 part I of 1979 for super structure up to floor two level for 10 cm thick wall in: CM 1:6 ( 1 cement : 6 coarse sand) including cost of scaffolding complete |
| 15 | 12 mm cement plaster of mix: |
| 16 | Finishing walls with water proofing cement paint of required shade:New work (Two or more coats applied @ 3.84 kg/10 sqm) |
| 17 | Supplying and fixing rolling shutters of approved make, made of required size M.S. laths, interlocked together through their entire length and jointed together at the end by end locks, mounted on specially designed pipe shaft with brackets, side guides and arrangements for inside and outside locking with push and pull operation complete, including the cost of providing and fixing necessary 27.5 cm long wire springs manufactured from high tensile steel wire of adequate strength conforming to IS: 4454 - part 1 and M.S. top cover of required thickness for rolling shutters.80x1.25 mm M.S. laths with 1.25 mm thick top cover |
| 18 | Bailing out water with5 HP engine and pumpset including conveyance to the site, errection, dismantling and taking back of engine and pump, cost of fuel lubricating oil and other stores pay of staff etc. complete.NEW DATA (Prepared based on PHED SDB - Item No.1070 |
| 19 | App (C) : Supply, erection and testing of Pump set |
| 20 | Supply, erection, testing and commissioning ofkwa qualified suitable brand ISI marked new Submersible electric driven motor pump set suitable for 150mm dia Borewell working at 3 phase voltage (400/440 v) with bronze impeller and stainless steel shaft having 6 lps discharge against 125 m head with suitable ISI marked accessories such as starter, main switch, capacitor, ELCB, adequate length of copper cable, reflux valve, Sluice valve, Foot Valve, Pressure gauge, earthling materials, ammeter, voltmeter, selector switch, flickering lamps, dry running preventer cum no voltage release, M.S. Panel board to mounting KSEB Meter, control switches, starter etc. completely wired, then conveying & Erecting the motor pump set and panel board and giving all connections, earthling etc. as per KSEB / EI rules & regulations. Trial run should be given for 7 days. Any documentation required for proper electric connection shall be arranged by the contractor at their own cost |
| 21 | ADDITIONAL WARRANTY OF 1 YEAR BEYOND 2 YEAR WARRANTY OF PUMP SET TOTAL 3 YEAR WARRANTY |
| 22 | Providing and fixing G.I. pipes complete with G.I fittings including trenching and refilling etc. External work80 mm dia nominal bore |
| 23 | Supply of 80 mm GI Coupling (heavy) |
| 24 | Supply of additional 3 x 6 mm sq submersible cable having ISI mark |
| 25 | App (D) : Providing Ferocement Pump house |
| 26 | Construction of pump house with 1.65 m dia 0.60 m heigh ferocement ring filling by earth consolidation, cement concreting 1:4:8, 10 mm thick using 40 mm broken stone, Ferocement ready-made wall (shell type) 1.50 m dia, having thickness of 25 mm and height 2.10 m, Ferocement ready-made Dome type roof, MS Door of size 2.10 x 0.9 m with necessary fittings including best quality padlock and painting with synthetic enamel 2 coat after a priming coat of approved quality primer., MS Ventilator with grill of size 0.9 x 0.4 m, painting with synthetic enamel paint 2 coat over a priming coat of approved quality primer, White washing with water proof cement paint 2 coat on all side of the pumphouse including roof. |
| 27 | App (E) : Supplying & Laying of Clear water pumping main from Bore well to tank |
| 28 | Supply of uPVC Pipe, IS 4985:2000 , 10kg/cm2, 90mm Dia. |
| 29 | Providing and fixing G.I. pipes complete with G.I fittings including trenching and refilling etc. External work80 mm dia nominal bore |
| 30 | Supply of PVC specials@ 3 % of cost of pipe |
| 31 | Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Hand Wheel PN 1.6, Size 80mm. |
| 32 | Supply of CI Air Valve, Conforming to IS 14848 - 2000, Single Orifice, Small Orifice Type S1, Size 40mm. |
| 33 | Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5 m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidatingeach deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m :All kinds of soil (Ref. Item No. 2.10.1 of DSR) |
| 34 | Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5 m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidatingeach deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m :\"Ordinary Rock.(Ref. Item No. 2.13.1 of DSR) |
| 35 | Cutting the bituminous / concrete roads with cutting machine for a minimum depth of 200mm along the sides of proposed alignment of the pipe to be laid without causing any damage to other utilities, including the charges for hire and conveyance of tools and plant, cost of consumables and charges for lighting, watching, ribbon fencing, caution boards, traffice diversion, and as per the direction of departmental officers etc. complete, before carrying out the demolition of bituminous / concrete road by mechanical means and carrying out the excavation. |
| 36 | Fencing one side of trenches, 1.50 m height with two rows of 10 cm plastic caution tape in vertical casuarina pole (girth 15cm to 24cm) fixed at 2 m intervals. (Data Prepared based on PWD SDB - Item No.1009) |
| 37 | Laying UPVC pipesof class 2 to class 6 andspecials, lowering to the trenches already made, placing in position aligning the pipe line to the lines and levels and jointing the pipes and specials with solvent cement and testing the pipe line with water to the required test pressure(excluding cost of pipes and specials). 90 mm nominal outer dia pipes.\" |
| 38 | \"Conveying and fixing C.I. sluice valves (with cap)by providing complete with bolts, nuts, rubber insertions etc. excluding the cost of valve (the tail pieces if required will be paid separately) :80 mm diameter. Class I\"Observed Data derivedfrom item no.18.31.of DAR |
| 39 | Conveying and fixing C I Single acting AirValve of approved qualitywith bolts,nuts,rubber insertions etc . excluding the cost of airvalve(the tail pieces if required will be paid seperately): 40 mmSingle acting Air Valve Observed Data derivedfrom item no.18.59.of DAR |
| 40 | Providing protection tube for 80 mm sluice valve using 140 mm PVC pipe (6kg/cm2) |
| 41 | Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) |
| 42 | App (F) : Construction of frame for fixing PVC tank |
| 43 | Excavation work 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 up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 50 m.Ordinary rock |
| 44 | Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) |
| 45 | Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level:1:1:5:3 (1 cement 1.5 coarse sand :3 graded stone aggregate 20 mm nominal size |
| 46 | Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. up tot floor five level excluding cost of centering, shuttering, finishing and reinforcement :1:1.5:3( 1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size) |
| 47 | Reinforced cement concrete work in beams, suspended floors, roofs, having slope up to 150 landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases up to floor five level excluding the cost of centering, shuttering, finishing and reinforcement, with1:1.5:3 (1 cement : 1.5 coarse sand (Zone III) : 3 graded stone aggregate 20 mm nominal size). |
| 48 | Centering and shuttering including strutting, etc. and removal of form for:Foundations, footings, bases of columns, etc for mass concrete |
| 49 | Centering and shuttering including strutting, etc. and removal of form for: |
| 50 | Centering and shuttering including strutting, etc. and removal of form for:Columns, Pillars, Piers, Abutments, Posts and Struts |
| 51 | Centering and shuttering including strutting, etc. and removal of form for: |
| 52 | Extra additional height in centering, shuttering where ever required with adequate bracing, propping etc. including cost of de-shuttering and decentering at all levels, over a height of 3.5m, for every additional height of 1 metre or part thereof (Plan area to be measured).Suspended floors, roofs, landing, beams and balconies (Plan area to be measured) |
| 53 | Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete upto plinth levelThermo - Mechanically Treated bars of grade Fe-500D or more |
| 54 | Filling with contractor\"s own earth ( excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m as per direction of site Engineer-in-charge |
| 55 | 12 mm cement plaster of mix: |
| 56 | Finishing walls with water proofing cement paint of required shade:New work (Two or more coats applied @ 3.84 kg/10 sqm) |
| 57 | Providing and fixing hand rail of approved size by welding etc. to steel ladder railing, balcony railing, staircase railing and similar works, including applying priming coat of approves steel primer. |
| 58 | App (G) : Supplying and Fixing 5000 L capacity PVC tank |
| 59 | Providing and placing on terrace / elevated platform /polyethylene water storage tank :ISImarked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank. |
| 60 | Supplying and fixing suitable tank connectors, inlet and outlet, over flow pipes of PVC Tank, including cost of PVC pipes, connecting to the existing pumping line , Distribution line, clamping the pipes at suitable intervals ,cost of fittings labour charges Etc complete. |
| 61 | App (H) : Supplying & Laying of Distribution |
| 62 | Supply of uPVC Pipe, IS 4985:2000 , 6kg/cm2, 63mm Dia.. |
| 63 | Supply of uPVC Pipe, IS 4985:2000 , 6kg/cm2, 75mm Dia.. |
| 64 | Supply of PVC specials - 3 % |
| 65 | Supply of CI Air Valve, Conforming to IS 14848 - 2000, Single Orifice, Small Orifice Type S1, Size 25mm. |
| 66 | Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5 m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidatingeach deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m :All kinds of soil (Ref. Item No. 2.10.1 of DSR) |
| 67 | Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5 m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidatingeach deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m :\"Ordinary Rock.(Ref. Item No. 2.13.1 of DSR) |
| 68 | Cutting the bituminous / concrete roads with cutting machine for a minimum depth of 200mm along the sides of proposed alignment of the pipe to be laid without causing any damage to other utilities, including the charges for hire and conveyance of tools and plant, cost of consumables and charges for lighting, watching, ribbon fencing, caution boards, traffice diversion, and as per the direction of departmental officers etc. complete, before carrying out the demolition of bituminous / concrete road by mechanical means and carrying out the excavation. |
| 69 | Fencing one side of trenches, 1.50 m height with two rows of 10 cm plastic caution tape in vertical casuarina pole (girth 15cm to 24cm) fixed at 2 m intervals. (Data Prepared based on PWD SDB - Item No.1009) |
| 70 | Laying UPVC pipesof class 2 to class 6 andspecials, lowering to the trenches already made, placing in position aligning the pipe line to the lines and levels and jointing the pipes and specials with solvent cement and testing the pipe line with water to the required test pressure(excluding cost of pipes and specials).75 mm nominal outer dia pipes. |
| 71 | Laying UPVC pipesof class 2 to class 6 andspecials, lowering to the trenches already made, placing in position aligning the pipe line to the lines and levels and jointing the pipes and specials with solvent cement and testing the pipe line with water to the required test pressure(excluding cost of pipes and specials).63 mm nominal outer dia pipes. |
| 72 | Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :65 mm nominal bore |
| 73 | Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :50 mm nominal bore |
| 74 | Conveying and fixing C I Single acting AirValve of approved qualitywith bolts,nuts,rubber insertions etc . excluding the cost of airvalve(the tail pieces if required will be paid seperately): 25 mmSingle acting Air Valve Observed Data derivedfrom item no.18.59.of DAR |
| 75 | Providing protection tube for 80 mm sluice valve using 140 mm PVC pipe (6kg/cm2) |
| 76 | Restoration of tar/concrete cut portion by providing and laying in position cement concrete 75mm thick of specified grade 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) |
| 77 |
Taking connection from the line of size mm upto 80/90 mm for connecting to the branch line using PVC/GI/MS Saddle or Tee and specials including cost of saddle / Tee, all labour charges, necessary earth work excavation and refilling, bailing out water, providing fencing and caution boards etc. but excluding cost of CID/CIR joints tail pieces and specials. |
| 78 | App (I) : PWD road restoration - BM &BC |
| 79 | :Excavation for roadwork in soil with hydraulic excavator of 0.9 cum bucket capacity including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross sections, and transporting to the embankment location within all lifts and lead upto 1000m |
| 80 | Construction of granular sub- base by Providing close graded Material 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.With Material conforming to Grade - I ( size range 75 mm to 0.075 mm) having CBR Value- 30 |
| 81 | 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. |
| 82 | :Providing and applying primer coat with bitumen emulsion ( SS) on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.70 - 1.0 kg/sqm using mechanical means |
| 83 | Supplying and stacking 36mm size hard broken stone in standard heaps for measurement |
| 84 | :Providing bitumen leveling coarse between 40mm and 150mm with 36mm deptl metal by spreading the metal to line and levels and rolling until the compacted coarse aggregate has a firm surface and applying hot bitumen with pressure sprayer at the rate of 20 Kg per M3 metal including all cost of bitumen
conveyance heating mixing spreading in appropriate locations to proper levels compacting with power
roller and other sundry stores. |
| 85 | :Providing and applying tack coat with bitumen emulsion( RS) using emulsion pressure distributor at the rate of 0.20 - 0.30 kg per sqm on the prepared bituminous surface cleaned with mechanical broom |
| 86 | Providing and laying bituminous macadam with 80-100 TPH hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading premixed with a bituminous binder (VG 30), transported to the site, laid over a previously prepared surface 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 For Grading II - (19 mm nominal size) |
| 87 | Providing and laying bituminous concrete with 80-100 TPH hot mix plant producing an average
output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with abituminous binder( NRMB) @ 5.4 percent of mix and filler, transporting the hot mix to worksite, laying with a hydrostatic paver finisher with sensor control to the required grade, level, and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desiredcompaction as per MORTH specification clause No. 507 complete in all respects For Grading -II (13.2 mm Nominal Size) |
| 88 | App (J) : Road restoration- Chipping carpet |
| 89 | :Excavation for roadwork in soil with hydraulic excavator of 0.9 cum bucket capacity including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross sections, and transporting to the embankment location within all lifts and lead upto 1000m |
| 90 | Construction of granular sub- base by Providing close graded Material 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.With Material conforming to Grade - I ( size range 75 mm to 0.075 mm) having CBR Value- 30 |
| 91 | 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. |
| 92 | :Providing and applying primer coat with bitumen emulsion ( SS) on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.70 - 1.0 kg/sqm using mechanical means |
| 93 | Supplying and stacking 36mm size hard broken stone in standard heaps for measurement |
| 94 | :Providing bitumen leveling coarse between 40mm and 150mm with 36mm deptl metal by spreading the metal to line and levels and rolling until the compacted coarse aggregate has a firm surface and applying hot bitumen with pressure sprayer at the rate of 20 Kg per M3 metal including all cost of bitumen
conveyance heating mixing spreading in appropriate locations to proper levels compacting with power
roller and other sundry stores. |
| 95 | :Providing and applying tack coat with bitumen emulsion( RS) using emulsion pressure distributor at the rate of 0.20 - 0.30 kg per sqm on the prepared bituminous surface cleaned with mechanical broom |
| 96 | 2.5 cm premix carpet surfacing with 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 with hot straight run bitumen, including consolidation with road roller of 6 to 9 tonne capacity etc. complete ( tack coat to be paid for separately):With Refinery Modified Bitumen CRMB 55 conforming to IRC:SP:53 - 1999 |
