Construction of Isolation B...

Amount

[11.78]Painting two coats excluding priming coat with synthetic enamel paint in all shades on new wood work or metallic or plastered or concrete surfaces to give an even shade.

[17.10.1]Excavation for Roadway in Soil by Mechanical means and Tippers with Disposal up to 1000 metres. 1. Excavation for roadwork in soil by mechanical means including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross sections, and disposal within all lead and lift as per technical clause 301 of MORT&H specifications.

[17.15.1]Granular Sub-Base with Coarse Graded Material - Grading-I or II or III (Table:- 400-2) Construction of granular sub-base by providing coarse graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with Rotavator at OMC, and compacting with vibratory roller to achieve the desired density, complete as per clause 401.of MORTandH specifications 1. Grading I material

[17.22.2]Water Bound Macadam Gr I 2. Water Bound Macadam Grading I with screening Type A Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with 3 wheeled steel/ vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density complete as per technical clause 404 of MORT&H specifications

[17.24]Wet Mix Macadam Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the Material with water at OMC in mechanical 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 as per technical clause 406 of MORT&H specifications

[17.25]Prime Coat @ 0.85kg per sqm Providing and applying primer coat with bitumen emulsion on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.85 kg/sqm using mechanical means as per technical clause 503 of MORT&H specifications

[17.30.2]Dense Graded Bituminous Macadam with Batch Type HMP 2. Dense Graded Bituminous Macadam 50 mm to 75 mm thickness (Grading II) Providing and laying 50mm - 75 mm dense graded bituminous macadam with 100-120 TPH batch type HMP producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder VG 30 @ 4.5% by weight of total mix and filler, transporting the hot mix to work site, 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 desired compaction complete, as per technical clause No. 505 of MORT&H specifications

[17.31.1]Bituminous Concrete with Batch type HMP 1. Bituminous Concrete 50 mm to 65 mm thickness (grading I) with 100-120 TPH batch type HMP Providing and laying 50 mm - 65 mm bituminous concrete with 100-120 TPH batch type hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder VG - 30 @ 5.2% per cent of mix and filler, transporting the hot mix to work site, 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 desired compaction complete in all respects as per technical clause 507 of MORT&H specifications as per MORTH specification

[17.31.2]Bituminous Concrete with Batch type HMP 2. Bituminous Concrete 30 mm to 45 mm thickness (grading II) with 100-120 TPH batch type HMP Providing and laying 30mm - 45 mm bituminous concrete with 100-120 TPH batch type hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder VG - 30 @ 5.4% per cent of mix and filler, transporting the hot mix to work site, 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 desired compaction complete as per technical clause 507 of per MORTH specifications

[17.44]Dry Lean Cement Concrete Sub- base Construction of dry lean cement concrete Sub- base over a prepared sub-grade with coarse and fine aggregate conforming to IS: 383, the size of coarse aggregate not exceeding 25 mm, aggregate cement ratio not to exceed 15:1, aggregate gradation after blending to be as per table 600-1, cement content not to be less than 150 kg/ cum, optimum moisture content to be determined during trial length construction, concrete strength not to be less than 10 Mpa at 7 days, mixed in a batching plant, transported to site, laid with a paver with electronic sensor, compacting with 8-10 tonnes vibratory roller, finishing and curing, as per clause 601 of MORT&H specifications

[17.45]Cement Concrete Pavement Construction of un-reinforced M-40 grade concrete pavement with dowel jointed, over a prepared sub base with 43 grade OPC cement concrete coarse and fine aggregate conforming to IS 383, maximum size of coarse aggregate not exceeding 25 mm, mixed in a fully computerised batching and mixing plant as per approved mix design, transported to site in transit mixer with a fixed form or slip form paver, spread, compacted and finished in a continuous operation including provision of contraction, expansion, construction and longitudinal joints, joint filler, separation membrane, sealant primer, joint sealant, debonding strip, dowel bar, tie rod, admixtures as approved, curing compound, finishing to lines and grades as per drawing, complete as per clause 602 of MORT&H specifications.

[17.5.3]Compacting Original Ground 3. Compaction of Earthwork Compaction of & preparation of sub grade including loosening, levelling of earth 225 mm thick top layer, rough dressing of soil, final dressing of earth to give level, camber, watering, rolling with road roller, compacting the bed to achieve minimum dry density as given in the Table 3000-2 as per technical clause 305 of MORT&H specifications

[17.7]Construction of Embankment with Material Deposited from Roadway Cutting or Excavation Construction of embankment with approved materials deposited at site from roadway cutting and excavation from drain and foundation of other structures graded and compacted to meet requirement of table 300-2.as per technical clause 305 of MORT&H specifications (Use Excavated Earth)

[2.RM130] RM130. RCC Pipe NP 4 heavy duty non pressure pipe 300 mm dia

[21.44.6]Lowering plain and reinforced concrete pipes and specials into trenches for all depths and laying out the same to correct alignment gradients levels etc., including all dressing and trimming and cutting of concrete beds and joint holes, supporting the pipes and specials in correct position in a suitable rigid manner while the same are being jointed and until the surrounding benching haunches and envelope are completed. The pipes shall rest on the beds at all points throughout their lengths and to ensure this they shall be grouted in where necessary as described in item no.21.38 including carriage from the stores of the Engineer-in-charge and safe delivery thereof at site of works. This includes, loading, unloading, stacking at convenient points adjacent to the works ready for lowering as may be found most convenient in the interest of work. (For NPI or NP2 and NP3 or NP4 pipes) 6. 300 mm internal diametre of sewer (Class NP1 to NP2)

[21.90.11.1]Construction of rectangular standard brick masonry manhole chambers to standard drawings on S.W. pipe sewers or other circular pipe sewers up to the required depth in 1.5 cement sand mortar, lime concrete in bed and sides of pipe sewer and cement concrete 1:2:4 in benching, 12 mm thick water tight 1:2 cement sand plaster with a floating coat of neat cement and finished with 2 coats of sodium silicate on interior surface where required, reinforced cement concrete slab 180mm thick fixing 560 mm internal diameter C.I. manhole cover and frame weight not less than 2.5 quintal painted with 3 coats of black bitumen paint, fixing galvanised malleable iron steps embedded in 1:2 cement sand mortar complete. the rate covers the cost of M.S. steel for R.C.C. slab labour for fixing and carriage of C.I. manhole frame and cover and malleable iron steps from the stores of the Engineer-in-charge of the works to the site of works. The rate also include the cost of accurately planned and fitted centring, supports for all works as well as for all curves and special work, cleaning out their beds etc. sodium silicate shall be supplied free of cost at the stores of the Engineer-in-charge. 11.1. On 450 mm internal diameter pipe sewer - for 2.40 meters depth below ground level

[21.90.7.1]Construction of rectangular standard brick masonry manhole chambers to standard drawings on S.W. pipe sewers or other circular pipe sewers up to the required depth in 1.5 cement sand mortar, lime concrete in bed and sides of pipe sewer and cement concrete 1:2:4 in benching, 12 mm thick water tight 1:2 cement sand plaster with a floating coat of neat cement and finished with 2 coats of sodium silicate on interior surface where required, reinforced cement concrete slab 180mm thick fixing 560 mm internal diameter C.I. manhole cover and frame weight not less than 2.5 quintal painted with 3 coats of black bitumen paint, fixing galvanised malleable iron steps embedded in 1:2 cement sand mortar complete. the rate covers the cost of M.S. steel for R.C.C. slab labour for fixing and carriage of C.I. manhole frame and cover and malleable iron steps from the stores of the Engineer-in-charge of the works to the site of works. The rate also include the cost of accurately planned and fitted centring, supports for all works as well as for all curves and special work, cleaning out their beds etc. sodium silicate shall be supplied free of cost at the stores of the Engineer-in-charge. 7.1. On 300 mm internal diameter pipe sewer - for 2.40 meters depth below ground level

[22.170.1]Providing and laying Non Pressure NP-4 class (Heavy duty) R.C.C. pipes including collars/spigot jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete 1. 450 mm dia RCC pipes.

[6.1.6]Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work below plinth level and up to Floor IV level: 6. 1:4:8 (1 Cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size)

[6.25.1]Providing and laying in position machine batched and machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centering, shuttering, finishing and reinforcement, including admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer-in-charge. 1. All works up to plinth level

[6.26.1]Extra for providing richer mixes up to plinth and at all floor levels. 1. Providing M-30 grade concrete instead of M-25 grade BMC/ RMC. (Note:- Cement content considered in M-30 is @ 340 kg/cum)

[6.26.3]Extra for providing richer mixes up to plinth and at all floor levels. 3. Providing M-40 grade concrete instead of M-25 grade BMC/ RMC.(Note : Cement content considered in M-40 is @ 360 kg/ cum)

[6.29.1]Centering and shuttering including strutting, propping etc. and removal of form work for : 1. Foundations, footings, bases for columns

[6.33.6]Steel reinforcement for R.C.C. work, where not included in the complete rate of RCC, including straightening, cutting, bending, placing in position, binding, wastage, overlaps, welded joints, spacer bars, chairs, stays, hangers and annealed steel wire etc. complete in all respect below plinth level 6. Thermo-Mechanically Treated bars of grade Fe-500D or more.

Providing and applying tack coat using hot straight run bitumen of grade VG-10, 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 bituminous surface @ 0.35 Kg/sqm. (NS) Based on HSR 17.26.2)

Providing and filling in position Poly sulphide sealant of approved make conforming to BS-5212-1990 or IS: 11433-1995 in expansion/ construction / dummy joints including rounding off edges, applying 2 coats of approved primer compatible with the brand of Poly sulphide and preparing the surface and applying masking tape along the edge of joint to prevent accidental spillage of sealant on top surface and to give neat finish to the sealant and removing the masking tape after application of sealant etc.

Providing, laying and spreading soil on a prepared sub grade, pulverizing, adding the designed quantity of cement (Minimum 1.50%) to the spread soil, mixing in place with rotavator, grading with the motor grader and compacting with the road roller at OMC to achieve the desired unconfined compressive strength and to form a layer of sub-base/base. (NS) Note 1: The agency has to achieve minimum 15% CBR as per the requirement of Airfield Pavement Requirements.