Construction of RCC Bridge over Hoo River at Chainage 5773 Mtr (Span 30.00 Mtr)

Amount

Foundation

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

(ii) Hard Rock ( blasting Prohibited)

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203

(i) Base course Below Base slab(PCC 1:3:6) M10

(ii) P.C.C. grade M 20

(iii)Base slab of M25(Foundation)

Supplying, fitting and placing HYSD bar reinforcement in foundation complete as perdrawings and technical specifications Clauses 1000 and 1202.

Sub Structure

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204 Height upto 5 m(RCC M-25 Grade

Supplying, fitting and placing HYSD bar reinforcement (Fe 415) in substructrue complete as per drawings and technical specification Clauses 1002, 1005, 1010 & 1202.

Providing weepholes in brick masonry/stone masonry, plain/reinforced concrete abutment, wing wall, return wall with 75 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

Providing and laying filter media with granular crushed aggregates as per specification to a thickness of not less than 600 mm with smaller size towards the soil and bigger size towards the wall and providing over the entire surface behind abutment, wing wall, return wall to the full height, compacted to firm condition complete as per drawing and technical specification Clause 1204.3.8

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

Supplying, fitting and fixing in position true to line and level Elastomeric bearing conforming to IRC: 83(Pt.-1) section IX and clause 2003 of MoRTH specifications complete including all accessories as per drawing and Technical Specifications..

Super Structure

Supplying, fabrication fitting in position, launching, painting etc. complete fo structural steel Truss (FY = 250N/mm2) including weilding, splicing, bolts etc. as per approved drawing MORT&H Technical Specifications at section 1900

Providing and laying reinforced cement concrete in superstructure as per drawing and technical specifications Clauses 800, 1205.4 and 1205.5(RCC M30 Grade)

Supplying, fitting, and placing HYSD bar reinforcement in superstructure complete as per drawing and technical specifications Clauses 1002, 1010 and 1202.

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

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.

Providing and laying of a strip seal expansion joint catering to maximum horizontal movement upto 70mm, complete as per approved drawing and standerd specifications to be installed by the manufacturer,s instructions for installation

Drainage spouts complete as per drawing and technical specifications Clause 1209

Reinforced Cement Concrete M 25 grade approach slab including reinforcement and formwork complete as per drawing and technical specifications Clauses 800 and 1211

Protection works

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. (a) 3 m to 6 m depth a) Ordinary soil

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203. P.C.C grade M 15(i) Nominal mix (1:2.5:5)

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203. R.C.C. grade M 25

Miscelleneous Items

Providing and fixing of typical PMGSY Citizen information sign board as per MORD specifications and drawing of cast-in-situ RCC,(Size of RCC post 25cmx25cmx90cm below G.L. & 15cmx15cmx245cm above G.L.),(Size of board 2x 90cmx80cmx7.5cm, ) incl.earth work, finishing with 15mm pluster 1:4 and neat cement punning, applying priming coat, painting and lettering with appropiate colour with required shade of approved quality ready mix paint.

Providing and fixing of typical PMGSY informatory sign board with Logo as per MORD specifications and drawing. Three MS Plates of 1.6 mm thick, top and middle plate duly welded with MS flat iron 25mm x 5m size on back on edges. The lower plate will be welded with MS angle iron frame of 25mm x 25mm x 5mm. The angle iron frame of the lower most plate and flat iron frame of middle plate will be welded to 2 nos. 75mm x 75 mm of 12 SWG sheet tubes posts duly embedded in cement concrete M-15 grade blocks of 450mm x 450mm x 600mm, 600mm below ground level. The top most diamond plate will be welded to middle plate by 47mm x 47mm of 12 SWG steel plate tube. All M.S. will be stove enameled on both sides. Lettering and printing arrows, border etc. will be painted with ready mixed synthetic enamel paint of superior quality in required shade and colour. All sections of framed posts and steel tube will be painted with primer and two coats of epoxy paint as per drawing Clause 1701 and Annexure 1700.1

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

Routine Maintenance

First Year

Second Year

Third Year

Fourth Year

Fifth Year

Add GST @ 18%

Ms Dagmo Riba (BID ID -597532)