Re-Construction of road by providing SDBC from Ch.0.00m to 2270.00m on Gossaigaon to Guabari via Dalgaon road under SOPD-G for the year 2019-2020, Gossaigaon LAC

Amount

Scarifying the existing bituminous road surface to a depth of 150mm and disposal of scarified materials with a lift upto 3 m and lead up to 1000 mm as per technical specification clause 301.4

3) WBM Grading-3: Using Stone Screening Type-B 11.2 mm for Gr.III: Providing, laying, spreading and compacting stone aggregate of specific size to WBM 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 3 as per Technical specification Clause.405 (A) By Mnaul Means.

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

iv) Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion pressure distributor at the rate of 0.30 to 0.35 kg per sqm on the prepared non-bituminous surfaces (Cement concrete pevement) cleaned with Hydraulic broom as per Technical Specification Clause 503.

Semi-Dense Bitumen Concrete (Providing and laying semi-dense Bituminous concrete with 100-120 TPH batch HMP produching an average ouput of 75 tonnes per hour using crushed aggregates of specific grading, premixed with bituminous binder @ 4.5 to 5% of mix and filler transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the reqd grade level and alignement rolling with smooth wheeled, vibratory and tendem rollers to achieved the desired compaction as per MORT&H cl. no.508.complete in all respect.

Providing and laying of hot applied Thermoplastic compund 2.5mm thick including reflectorising glass beds @ 250gms per gm sqm area, thickness of 2.5mm is exclusive of surface applied glass beds as per IRC: 35. The finished surface to be level uniform and free streaks and holes and conforming to the MOSTRTH specification.

Providing reflective pavement marker with Micro prismatic lens in both direction having thermoplastic body adhering to the specification and guidelines of MoSRT&H's fixed to the road surface using the adhersives and the procedures recommended by the manufactures with three months replacement warranty and free maintenance.

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

Providing and fixing of semi reflective cautionary, mandatory and informatory sign board as per IRC: 67 made of 1.5mm thick MS sheet duly stove white colour in front and gray colour on back with red reflective border of 65mm 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 47mm x 12 SWG sheet tube firmly fixed to the ground by mean of properly designed foundations with M-15 grade cement concrete 450x450x600mm 600mm below ground level as per approved drawing Clause 1701.2.2 (ii) 600 mm equilaterial triangle.

Providing and fixing of semi reflective cautionary, mandatory and informatory sign board as per IRC: 67 made of 1.5mm thick MS sheet duly stove white colour in front and gray colour on back with red reflective border of 65mm 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 47mm x 12 SWG sheet tube firmly fixed to the ground by mean of properly designed foundations with M-15 grade cement concrete 450x450x600mm 600mm below ground level as per approved drawing Clause 1701.2.2 (iii) 600 mm circular

Providing and fixing of semi reflective cautionary, mandatory and informatory sign board as per IRC: 67 made of 1.5mm thick MS sheet duly stove white colour in front and gray colour on back with red reflective border of 65mm 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 47mm x 12 SWG sheet tube firmly fixed to the ground by mean of properly designed foundations with M-15 grade cement concrete 450x450x600mm 600mm below ground level as per approved drawing Clause 1701.2.2 (iv) 800 mm x 600mm rectangular

(D) Construction of RCC Box Cell Bridge Size= 3 cell x 3.00 M x 3.00 M, 1 No. Earthwork in excavation for structures as per drawings and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal up to a lead of 50m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. V. Marshy Soil.

Filling in foundation trenches as per drawing and technical specification clause 305.3.9. I. Sand Filling

Providing concrete for plain/reinforced concrete in open foundation complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203. B. With Natural Gravel iii) P.C.C Grade M-20, (i) Nominal mix 1:2:4

Providing concrete for plain/reinforced concrete in open foundation complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203. B. With Natural Gravel iv) R.C.C Grade M-20,

Supplying, fitting and placing TMT (Fe 415) reinforcement bar (Other ISI approved TMT reinforcement bar (SAI/BISCON/THERMAX or equivalent) in foundation complete as per drawing and technical specification Clauses 1000 and 1002.

Plain/Reinforced cement concrete in sub-structure complete as per drawing and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204. B. With Natural Gravel (iv) RCC GRADE M 25 (i) Heigth up to 5m

Supplying, fitting and placing TMT (Fe 500 D) reinforcement bar (Other ISI approved TMT reinforcement bar (SAI/BISCON/THERMAX or equivalent) in substructure complete as per drawing and technical specification Clauses 1002 and 1005, 1010 & 1202.

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

Backfilling behind abutment, wing wall and return wall as per drawings & technical specification Clause 1204.3.8 I. Granular Material

Providing and laying cement concrete wearing course M 30 grade including reinforcement complete as per drawing and technical specifications Clauses 800 and 1206.3 A. With Crushed Stone

Construction of R.C.C. railing of M 25 grade in cast-in-situ with 20 mm nominal size aggregate, true to line and grade, tolerance of vertical railing post not to exceed 1 in 500, centre-to-centre spacing between vertical posts not to exceed 2000 mm as per drawing and technical specifications Clauses 800, 900 and 1208.3

Drainage spouts complete as per drawing and technical specifications Clause 1209

Providing and laying curtain walls complete as per drawing and technical specification Clause 1304 iii) Cement concrete grade M 10

Construction of flexible apron 1 m thick comprising of loose stone boulders weighing not less then 25 kg beyond curtain wall

M/s A.B. ENTERPRISE

Jethmal Maloo

MRINAL DAS

DAHAR BASUMATARY

RAJ NAYAN BRAHMA