RIDF-XXVI/Dibrugarh/12 Re-Construction of Bihua Ali under RIDF XXVI for the year 2020-21 under PWRD Dibrugarh, Lahowal, Moran and Tingkhong Territorial Road Division in Tingkhong LAC

Amount

Clearing and grubbing road land including uprooting rank vegetation, grass, bushes , shrubs , saplings and trees girth upto 300mm , removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable materials to be used or auctioned up to lead of 1000m including removal and disposal of top organic soil not exceeding 150 mm thickness.

Removing all types of Hume pipes and stacking within a lead of 1000 m including Earthwork and Dismantling of Masonry Works as per Technical Specification Clause 202. (B) Above 900mm dia HP

Scarifying the existing bituminous road surface to a depth of 150 mm and disposal of scarified material with a lift upto 3 m and lead upto 1000 m as per Technical Specification Clause 301.4.

Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m transporting to site, spreading, grading to required slope and compacting to meet requirement of Table 300.1 and 300.2 with a lead upto 1000m as per Technical Specification Clause 301.5 (i) Private Land

Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts & leads , transporting to site, spreding , grading to required slope and compacted to meet requirement of Table(300-2) with lead upto 1000m as per Technical Specification Clause303.1. (i) Private Land

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, with all leads and lifts upto the site, complete as per cl.401. (ii) For Grading II Material

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening/binding materials to fill-up the interstices of coarse aggregate, watering and compacting to the required density grading 2, with all leads and lifts upto the site as per Technical Specification Clause 405. (A) By Manual Means WBM Gr-II

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber , applying and brooming requisite type of screening/ binding material to fillup the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405. (A) By Manual Means WBM Gr-III

Providing and applying primer coat with Bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.90- 1.2 kg/sqm using mechanical means as per Technical Specification Clause 502.

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 sueface cleaned with mechanical broom (including cost of testing of materials at site and laboratory as directed by the department) (I) With Bitumen emulsion CSS -1h (c) Granular surface treated with primer

Providing and laying bituminous concrete with 100 - 120 TPH batch type hot mix plant producing an average out put of 75 tonnes per hour using crushed aggregates of specified grading,premixed with bituminous binder @ 5.4 to 5.6% 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 as per MoRT&H Clause No. 509complete in all respect(including carriage up to initial lead of 5.0 km from quarry and carriage of mixed materials up to 10.00 km initial lead from mixing plant )(including cost of testing of materials at site and laboratory as desired by the deptt.)

HPC 1000 mm Dia NP3 Single Row= 2 Nos: Earthwork in excavation for foundation of structures upto 3m depth as per drawing and technical specification Clause 1104 including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material.(i) Ordinary soil(i) upto 3m depth

Bedding for pipe (i) Type B(First Class) Bedding Laying (First Class) bedding on well compacted sand,moorum or approved granular material as per clause 1105(ii) (ii) Granular Material

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

Brick masonry work in cement mortar in foundation of head walls complete as per drawing and Technical Specification Clause 1109 (A) Brick ,Masonry in 1:4 cement mortar

Providing and laying reinforced cement concrete pipe NP3 for culverts on fiurst class bedding of granular material in single row including fixing collar with cement mortar 1;2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets Clause 1106. (B)1000mm dia

Plastering with Cement mortar (1:4) 15 mm thick on brickwork in substructure as per Technical Specification

Road Furniture: Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 801 (i) 900 mm equilateral triangle

Providing and laying of hot applied thermoplastic compound 2.5 mm thick including reflectorising glass beads @ 250 gms per sqm area ,thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35.The finished surface to be level,uniform and free from streaks and holes and conforming to the MoSrt &H specifications.

Providing and fixing of road stud 100 x 100 mm die cast in aluminium, resistant to corrosive effect of salt and grit, fitted with lense reflectors, installed in concrete or asphaltic surface by drilling holes 30 mm upto a depth of 600 mm and bedded in a suitable bituminous grout or epoxy mortar, all as per BS:873 (Part 4) 1973.

RIPAN BORAH