Improvement of NH-37 to Borbaruah T. E. Road (Line-4) (Ch. 0.00 m to Ch. 1360.00 m) under SOPD (ODS) for the Year 2020-21 under PWRD, Dibrugarh, Lahowal, Moran and Tingkhong Territorial Road Division, Dibrugarh - Dibrugarh LAC.

Amount

Clearing and Grubbing Road Land .(Clearing and grubbing road land including uprooting wild 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 be used or auctioned up to lead of 1000metres including removal and disposal of top organic soil not exceeding 150 mm thickness as per Technical Clause 201. i) By Manual Means, A.In area of Non thorny jungle.

Scarifying existing granular surface to a depth of 50 mm by manual means: Scarifying existing granular surface to a depth of 50 mm and disposal of scarified material with a lift upto 3 m and lead upto 1000 m as per Technical Clause 301.4. a) By Manual Means.

Removing all types of Hume pipes and stacking within a lead of 1000 m including Earthwork and Dismantling of Massonry works as per Technical Clause 202. Above 900 mm dia Hume pipe

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

Granular Sub-Base with Coarse Graded Material ( Table:- 400- 1) By mix in place method 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 Technical Specification Clause 401. (ii) for grading- II Material

WBM Gr III Using crushable screening such as moorum gravel for Gr.III 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 material to fillup the interstices of coarse aggregate,watering and compacting to the reqd. density grading 3 as per Technical Specification clause 405. By manual means.

Providing and laying interlocking concrete block pavement (M40) having thickness 80mm as per technical specification clause 1504 including carriag. A( Including edge block/edge restraints).

HPC Culvert 1000 mm dia: 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. Upto 3m depth

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. (i) A. With crushed stone, (I) P.C.C. Grade M-10, Nomonal mix (1:3:6)

Bedding for pipe (ii) Type A(Concrete cradle) Bedding Laying concrete cradle bedding with M15 grade cement concrete as per clause 1105.

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 mortar 1;2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets Clause 1106. (B) 1000mm dia

Plain/reinforced cement concrete in Substructure complete as per drawing and technical specification Clause 802,803,804,805,806,807,1202 and 1204 A. With crushed stone (i) PCC Grade M15 (1:2:4)

Backfilling in Foundation Trenches as per drawing and Technical Specification Clause 1108. Sand filling.

Plastering with Cement mortar (1:4) 15 mm thick on brickwork in substructure as per Technical Specification Clause 613.4 & 1204.

B. Retro reflectorised Traffic sign: Providing and fixing of Retro-Reflectrorised cautionary, mandatory & 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 RCC post of 100 mm x 100 mm firmly fixed to the ground by means of properly designed foundation with M-15 grade Cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per approved drawing and Technical specification clause1701. iv) 800 mm x 600 mm rectangular

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

Sri Hema Kanta Baruah.

M/S G D CONSTRUCTION

Chitra Ranjan Gogi