Upgradation by Widening and Strengthening of Jorhat Airforce Station Guwahati Gate to NH under Jorhat Dergaon and Titabor Territorial Road Division under SOPD (G) for the year 2022-23

Amount

Clearing and Grubbing Road Land .(Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable materials to beused or auctioned up to lead of 1000metres including removal and disposal of top organic soil not exceeding 150mm thickness. In area of non thorny jungle

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 em

Scarifying existing bituminous surface to a depth of 50 mm by mechanical means (Scarifying the existing bituminous road surface to a depth of 50 mm and disposal of scarified material with in all lifts and lead upto 1000 metres.)

Construction of embankment with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirment of table300.1 and 300-2 with a lead upto 1000 m as per Technical Specification Clause No 301.5

Construction of Subgrade and Earthen Shoulders (Construction of subgrade 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 (300-2) with a lead upto 1000 m as per Technical Specification Clause No 303.1

Construction of granular sub-base by providing well graded material, spreading in uniform layers on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with vibratory roller to achive the desired density, complete as per clause 401 (with an initial lead of 5 km) (Including cost of testing of materials at site and laboratory as directed by the deptt.) (i) for grading -II Material

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 sb-base/base course on well prepared surface and compacting with vibratory roller to achieve the desired density (including carriage of mixed materials up to 10.0 Km initial lead from mixing plant )

Prime coat (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 1.00 kg/sqm using mechanical means.)( Including cost of testing of materials at site and laboratory as directed by the deptt.)

Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg per sqm on the prepared bituminous/granular surface cleaned with mechanical broom.( Including cost of testing of materials at site and laboratory as directed by the deptt.)

Dense Graded Bituminous Macadam (Providing and laying dense 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 @ 4.0 to 4.5% by weight of total mix and filler transporting the hot miox to work site,laying with a hydrostatic paver finisher with sensor control to the reqd. grade, lavel and alignment,rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MoSRT&H cl. no. 507. complete in all respect. ( including carriage up to initial lead of 5.0 km from quarry and carriage of mixed materials up to 10.0 Km initial lead from mixing plant )( Including cost of testing of materials at site and laboratory as directed by the deptt.) (a) With rock dust as filler ( refer table 500-9 of MoSRT&H specification) & anti stripping agent as per IS:14982( Refer Appendix-5 of MoSRT&H specification) (ii) for GradingII(19 mm nominal size)

Bituminous Concrete (Providing and laying 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 @ 5.4 to 5.6 % of mix

Providing and laying hot thermoplastic compound 2.5 mm thick including reflectorising glass beads @ 250 gms per sqm, thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC 35. as per MORTH spec.

Earthwork in excavation for foundation of structures upto 3 m dept as per drawing and technical specification Clause 1104 includding setting out, constuction of soring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom.

Plain Cement Concrete M10 (1:3:6 nominal mix) in levelling course below open foundation of Head walls as per drawings & Technical Specification Clause 1109:

Providing and Laying Reinforced Cement Concrete pipe NP3 for culverts on first class bedding of granular material in single row including fixing collar with cement morter 1:2 but excluding excavation, protection works, backfilling, concrete and masonry work ( B ) 1000 mm dia

Brick masonry work in cement mortar in substructure complete excepting pointing and plastering, as per drawing and technical specification Clause 602, 603, 603, 604, 1202 & 1204 I. In 1:3 Cement mortar

Plastering with cement mortar (1:4), 15mm thick on brickwork in substructure as per Techical specification clauses 613, 614 &1204

NK AGARWALLA