National Highways Authority Of India Tender

b) Depth from 3.00 to 6.00

c) Depth above 6.00 Metre

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

Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications. (PCC Grade M15)

Providing weep holes in Brick masonry/Plain/ Reinforced concrete abutment, wing wall/ return wall with 100 mm dia PVC pipe, extending through the full width of the structure with slope of 1V :20H towards drawing foce. Complete as per drawing and Technical Specifications

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical Specification

Construction of granular sub-base by providing material as per grading-III ( Table 400-I of MORT&H 5th revision), mixing in a mechanical mix plant at OMC, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per technical clause 401 of MORT&H specifications

Providing and applying primer coat with bitumen emulsion SS on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.85kg/sqm complete as per technical clause 502 of MORT&H specifications

Tack Coat @ 0.25kg per sqm(A) Providing and applying tack coat with bitumen emulsion RS using emulsion pressure distributor at the rate of 0.25 kg per sqm on the prepared bituminous surface/granular surface treated with prime coat after cleaning the surface complete as per technical clause 503 of MORT&H specifications

Providing and laying dense graded bituminous macadam 50mm to 75mm thick with batch type HMP using crushed aggregates of specified grading, premixed with bituminous binder VG-30 @ 4.5%, 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 505 of MORT&H specifications

Providing and laying bituminous concrete 30mm to 45mm thick with batch type hot mix plant using crushed aggregates of specified grading, premixed with bituminous binder VG-30 @ 5.4%, 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 MORT&H specifications

Loosening, leveling and compacting original ground up to a level of 500mm below road crust, mixed with water at OMC, levelled, graded and compacted in layers by rolling so as to achieve minimum dry density as given in Table 300-2 for sub grade construction as per technical clause 305 of MORT&H specifications

Supplying, fitting and placing HYSD bar reinforcement in substructure complete as per drawing and Technical Specifications.

Clearing grass and removal of rubbish up to a distance of 50 meters outside the periphery of the area as per technical clause 201 of MORT&H specifications

Construction of embankment with earth obtained from roadway cutting or excavation including spreading, grading to required slope and compacting to meet requirement of table 300-2 as per technical clause 305 of MORT&H specifications

Compaction b (i) Extra for laying earth/fly ash as per specifications in 20 cm. Layers and dressing but excluding cost of rolling.

b (ii) Extra for watering the earth/fly ash laid in 20 cm layers as per specifications for compaction.

Removal of Existing Cracked Surface by Milling: Milling of existing BC layer including disposal of milled material and stacking of serviceable material as per direction of Engineer-in-charge and disposal of un serviceable material within all leads and lifts.

Providing and applying tack coat with bitumen emulsion RS using emulsionpressure distributor at the rate of 0.25 kgper sqm on the prepared bituminous surface/granular surface treated with prime coat after cleaning the surface complete as per technical clause 503 of MORT&H specifications

Providing and laying bituminous macadam 50mm to75mm thick with batch type hot mix plant using crushed aggregates of specified grading premixed with bituminous binderVG-30@3.4%, laid over a previously prepared surface with hydrostatic paver finisher with sensor control to the required grade, level and alignment and rolled to achieve the desired compaction complete as per technical clause 504 of MORT&H specifications

Providing and laying bituminous concrete 30mm to 45mm thick with batch type hot mix plant using crushed aggregates of specified grading, premixed with bituminous binderVG-30@5.4%, 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 clause507of MORT&H specification

Road marking with hot applied thermoplastic compound 2.5mm thick including reflectorising glass beads @ 0.25kg per sqm area as per IRC:35 1997 complete as per technical clause 803 of MORT&H specifications

Total no.

Recovery for milled material which shall be made for retrieved milled material at the rates specified herein ( i.e. @ 20% of rate quoted for item of BC).Note:- Material obtained from dismantling of existing bituminous layer has been calculated @ 60% of the retrieved material as per theoretical calculation. The agency shall take away this material at the fixed rate @ 20% of quoted rate of BC. If actual material after dismantling is found on lesser side, no claim of agency on this score will be entertained and full recovery on the basis of quoted rate and quantity exhibited in the BOQ shall be made. The dismantled material can be used in any of the items for the work after modification (bringing it to required specifications) so as to fulfil requirements of MoRTH specification clause 519 and after approval from the employer. In case it is not possible to use this material on the work the agency can take away this material. However, recovery of material shall be made for the quantity exhibited in the BOQ and at the rates specified herein irrespective of the fact that material is used in the work or not. Bidder/Agency may visit site before quoting rates and make his assessment for the extent of retrieved material.