Restoration of RCC Boxcell culvert including approaches on

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. (I) By manuals means. B. In the area of non thorny 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 301.5

Construction of subgrade and earthen 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 requirment of table 300.2 with lead upto 1000m.

Construction of granular sub-base by providing well graded material spreading in uniform layer with motor grader on prepared surface, mix in place method with rotavator at OMC and compacting with wheel roller to achieve the desired density, as per Technical specification Cl.401. (I) For Grading I Materials

WBM Grading 3 Using stone screening Type -B 11.2 mm for Gr. III 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 smooth wheeled roller 80-100 kN 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 reqd. density grading -3 as per Technical Specification clause 405. (A)By Manual means-

INTER LOCKING CONCRETE BLOCK PAVEMENT iii) Providing and laying interlocking concrete block pavement with M30 grade grade of concrete blocks having thickness 80mm as per technical specification clause 1504 complete including carriage. A.Including Edge block/ Edge restraints

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 saplings, backfilling the trenches, watering , fixing the tree guatrd and maintaining the plants for three year.

Providing and laying of boulder apron laid in wire crates with 4 mm dia GI wire conforming to IS:280 and IS:4826 in 100 mm x 100 mm mesh (woven diagonally) including 10 per cent extra for laps and joints laid with stone boulders weighing not less than 25 kg each as per drawing and technical specifications Clause 1301

Providing and laying filter material underneath pitching in slopes complete as per drawing and technical specifications Clause 1302

Providing and laying pitching on slopes laid over prepared filter media as per drawing and technical specifications Clause 1302

Providing Dustbin.

Providing and fixing of semi reflective cautionary, mandatory and informatory sign board as per IRC:67 made of 1.5 mm thick MS Sheet duly stove white colour in front and gray colour on back with red reflective border of 65 mm width and required letters and figures with reflective tape engineering grade as per Clause 1701.3.9 of MORD for Rural Roads of required shade and colour supported and welded on 47mm x 47 mm x 12 SWG sheet tube firmly fixed to the ground by mean of properly designed foundations with M-15 grade cement concrete 450x450x600 mm, 600 mm below ground level as per approved drawing Clause 1701.2.2 iv. 800mm x 600mm rectangular

Excavation for Structures (Earth work in excavation of foundation of structures as per drawing and technical specification, 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,A Manual Means,(I) Without dewatering,(i)upto 3 m depth

Sand Filling in Foundation Trenches as per Drawing & Technical Specification

Plain/Reinforced cement concrete, in open foundation complete as per drawing and technical specification including steel shuttering formwork.(N) Without plasticiser, A PCC Grade M-15

Plain/Reinforced cement concrete, in open foundation complete as per drawing and technical specification including steel shuttering formwork.(N) Without plasticiser, A PCC Grade M-20

Plain/Reinforced cement concrete, in open foundation complete as per drawing and technical specification including steel shuttering formwork.(N) Without plasticiser, C RCC Grade M-20

Supplying, fitting and placing TMT bar reinforcement in open foundation complete as per drawing and technical specifications clause 1000 and 1202

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204. A. with crused stone iii) PCC Grade M20 including steel shuttering framework. A) Height upto 5 m,CaseI

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204. A. with crused stone iii) RCC Grade M20 including steel shuttering framework. A) Height upto 5 m,CaseI

Drainage spouts complete as per drawing and technical specifications Clause 1209

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (From Primary Producer: TATA/SAIL/Esser Steel/ Jindal steel/Shyam steel/RINL) in substructrue complete as per drawings and technical specification Clauses 1002, 1005, 1010 & 1202

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar . (From Primary Producer: TATA/SAIL/Esser Steel/ Jindal steel/Shyam steel/RINL) Primary Producer: TATA/SAIL/Esser Steel/ Jindal steel/Shyam steel/RINL) in superstructure complete as per drawing and technical specifications Clauses 1002, 1010 and 1202

Plain/reinforced cement concrete in superstructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204. A. with crused stone iii) RCC Grade M25 including steel shuttering framework. A) Height upto 5 m,CaseI

Construction of RCC railing of M30 Grade in-situ with 20 mm nominal size aggregate, true to line and grade, tolurence of vertical RCC post not to exceed 1 in 500, centre to centre spacing between vertical post not to exceed 2000 mm, leaving adequat space between vertical posts for expansion, complete as per approved drawings and technical specifications.

Providing pressure relief pipes 100 mm dia in bottom slab of box cell on a filter media base of 500 mm x 500 mm as per drawing and technical specification Clause 1205.5.7

Providing and laying curtain walls complete as per drawing and technical specification Clause 1304. iii) Cement Concrete Grade M10

Construction of flexible apron 1 m thick comprising of loose stone boulders weighing not less than 25kg beyond cuetain wall.

Backfilling behind abutment, wing wall and return wall complete as per drawings & technical specification Clause 1204.3.8

Providing weepholes in brick masonry/stone masonry, plain/reinforced concrete abutment, wing wall, return wall with 100 mm dia AC pipe extending through the full width of the structures with slope of 1(V):20(H) towards drawing face complete as per drawing and technical specification Clauses 614, 709, 1204.3.7

Bhabesh Saikia

Puspa Patir