SBRC/TB/DBA/RAN/02/2022-23

Amount

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. (I) By Manual Means:- (A) In area of light jungle.

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 300.1 and 300.2 with a lead upto 1000m as per Technical Specification Clause 301.5 (i) From private land.

Construction of subgrade and earhen shoulders with approved materials obtained from borrow pits with all Lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead upto 1000 m as per Technical Specification Clause 30.1.5 (a) From private land.

Plant Mix Method :- Construction of granular sub-base by providing coarse graded Material, mixing in a mechanical mix plant at OMC, carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per clause 401. (Including cost of testing of materials at site and laboratory as directed by the Deptt.) (i) For Grading Material (Gr-II) BSB

Water Bound Macadam (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 stone screeing to fillup the interstices of coarse aggregate, watering & compacting to the required density. (with an initial lead of 5.0 Km.) (A) By Manual Means (iii) Grading-III (b) Using Screening Type-B (11.2mm Agg.)

Providing and laying Interlocking Concrete Block Pavement (ICBM) conforming to IS:15658-2006 including all lead and lift complete as per technical specification and directed. (a) 80mm thick interlocking precast blocks having compressive strength of 40N/sq. mm.

Earth work in excavation of foundation of structure as per drawing and technical specification clause 305.1 including setting out, construction of shoring & bracing, removal of stumps and other deletorous matter, dressing od sides and bottom and backfilling with excavated suitable materials. Ordinary Soil.

Providing concrete for plain/reinforced concrete open foundation complete as per drawing and technical specification clauses 802, 803, 1202 & 1203. (B) With natural gravel. (ii) PCC Grade M-15 (1:2.5:5)

Providing concrete for plain/reinforced concrete open foundation complete as per drawing and technical specification clauses 802, 803, 1202 & 1203. (B) With natural gravel. (ii) PCC Grade M-20 (1:2:4)

Providing concrete for plain/reinforced concrete open foundation complete as per drawing and technical specification clauses 802, 803, 1202 & 1203. (B) With natural gravel. (ii) PCC Grade M-20 (1:2:4)

Providing and laying reinforced cement concrete pire NP-3 for culverts on first class bedding of granular material in single row including fixing coller with cement morter 1:2 but excluding excavation, protection works, back filling, concret and masonry works in head walls and parapets clause 1106.

Plastering with cement morter (1:4) 15mm thick on brick work in substructure as per technical specification.

Retro-reflectorised Traffic Signs 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 of MORD for Rural Roads of required shade and colour supported and welded on 47mm x 47mm x 12SWG sheet tube 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 1701.2.2 (iv) 60cm Equilateral Triangle.

Direction and Place Identification sign upto 0.9 sqm size board (ii) Providing and erecting direction and place identification retro-reflectorised sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3, fixed over aluminium sheeting. 2 mm thick with area not exceeding 0.9 sqm supported on 2 inch dia GI Pipe 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 1701

Planting of Trees and their Maintenance for three year (Planting of trees by the road side (Avenue trees) in 0.60 m dia holes, 1 m deep dug in the ground, mixing the soil with decayed farm yard/sludge mannure, planting the sapling, backfilling the trenches, watering, fixing the tree guatrd and maintaining the plants for three year.

ANIMESH BARMAN

BICHITRA BASUMATARY