KAM/GRC/SOPD(G)/ 2020-21/60. Construction of Road from Malibari Rajbari PWD Road to Borbaha via Paglabori(from ch. 0.00m to ch. 2000.00m) under SOPD(G) from the year 2020-21.

Amount

Roadwork

Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, saplings and trees of girth upto 300 mm, removal of stumps of such trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per Technical Specification Clause 201.

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 Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 i Private Land

Construction of subgrade and earthen shoulders with approvedmaterial obtained from borrow pits with all lifts and leads,transporting to site, spreading, grading to required slope andcompacted to meet requirement of Table 300.2 with lead upto 1000m as per Technical Specification Clause 303.1. (i) Private Land

By Mix in Place Method Construction of granular sub-base by providing well 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 smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401. (I) 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 to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading III as per Technical Specification Clause 405. (A) By Manual Means

Interlocking pavement block i Providing and laying interlocking concrete block pavement (M40) having thickness 80mm as per technical specification clause 1504 complete including carriage. a) Including Edge block/ Edge restraints

1000mm dia NP3 Single opening HPC(1 nos)

Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. I Ordinary soil Upto 3 m 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

Bedding of pipe (B) Type B (First Class) Bedding Laying (First Class) bedding on well compacted sand, moorum as per Clause 1105 (ii)ii Laying (First Class) bedding on well compacted approved granular material as per Clause 1105 (ii)

Brick Masonry Work in cement mortar in foundation of Head walls complete exculding pointing and plastering 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 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)1000 mm dia

Plastering with Cement Mortar (1:4), 15 mm thick on brickwork in substructure as per technical specification

Retro-reflectorised Traffic Signs I 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 x6 mm firmly fixed to the ground by means of properlyvdesigned 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 iv 800mm x 600mm rectangular

Sri Kaushik Deka