Construction of RCC Box Cell bridge on Jamnighat Jheel Bankabara to Dhaunwala road km. 0/0 to 5/020. (SH-C/O 27.60 mtr. Span RCC Box Cell (4mx4m) bridge at RD. 0/150) (under SCSP).

Amount

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 back filling with approved material,including all leads, lifts and carriage of materials, as per the entire satisfaction of Engineer-in-charge.

Plain cement cencrete 1:3:6(one cement : three sand : six graded crushed stone aggregate) nominal mix in foundation with crushed stone aggregate 40 mm.(forty milimetres) nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14(fourteen) days, including all leads, lifts and carriage of materials, as per entire satisfaction of Engineer-in-charge.

Plain/reinforced cement concrete in open foundation complete as per drawing and Techanical Specificaion PCC Grade M-20 R.C.C. 1:2:4(one cement : two sand : four graded/crushed stone aggregate) in foundation, including all leads, lifts and carriage of materials, as per the entire satisfaction of Engineer-in-charge.

Furnishing and Placing Reinforced/Prestressed cement concrete in super-structure as per drawing and Technical Specification RCC Grade M 25 ( Using Concrete Mixer),all leads, lifts and carriage of materials, as per the entire satisfaction of Engineer-in-charge.

Supplying fitting and placing HYSD bar reinforcement in super structure complete as per drawing and technical specification,including all leads, lifts and carriage of materials, as per the entire satisfaction of Engineer-in-charge.

Providing and laying a burried expansion joint, expansion gap being 20 mm.(twenty milimetres), covered with 12 mm(twelve milimetres) thick, 200 mm(two hundred milimetres) wide galvanised wieldable structural steel plate as per IS: 2062, placed symmetrical to centre line of the joint, resting freely over the top surface of the deck concrete, welding of 8 mm(eight milimetre) dia. 100 mm(hundred milimetres long galvanised nails spaced 300 mm(three hundred milimeteres) center to center along the centre line of the plate, all as specified in clause 2604.),including all leads, lifts and carriage of materials, as per entire satisfaction of Engineer-in-charge.

Drainage spout complete as per drawing and technical specification,including all leads, lifts and carriage of materials, as per the entire satisfaction of Engineer-in-charge.

Construction of RCC railing of M30 Grade in-situ with 20 mm(twenty milimetre) nominal size aggregate, true to line and grade, tolurence of vertical RCC post not to exceed 1 in 500(five hundred), centre to centre spacing between vertical post not to exceed 2000 mm(two thousand milimetres), leaving adequate space between vertical post for expansion, complete as per approved drawings and technical specifications, including all leads, lifts and carriage of materials, as per the entire satisfaction of Engineer-in-charge..

Providing and fixing in position 20 mm(Twenty milimetres) thick premoulded joint filler in expansion joint for fixed ends of simply supported spans not exceeding 10 m(ten metre) to cater for a horizontal movement upto 20 mm(twenty milimetres), covered with sealant complete as per drawing and technical specifications, including all leads, lifts and carriage of materials, as per the entire satisfaction of Engineer-in-charge.

Providing and laying cement concrete wearing course M-30 grade i/c reinforcement complete as per drawing and technical specification clause 800 and 1206.3, including all leads, lifts and carriage of materials, as per the entire satisfaction of Engineer-in-charge.

Providing and laying of boulder apron laid in wire crates made with 4mm(four milimetres) dia GI wire conforming to IS: 280 & IS:4826 in 100mm x 100mm(hundred milimetres into hundred milimetres) mesh (weaved diagonally) including 10%(Ten percent) extra for laps and joints laid with stone boulders weighing not less than 40 kg(Forty kilograms) each, including all leads, lifts and carriage of materials, as per entire satisfaction of Engineer-in-charge.

Providing and laying concrete for plain/reinforced concrrete in open foundation complete as per drawing and technical specification clauses 802,803,1202 & 1203( 1:4:8 (one cement : four sand : eight graded/crushed stone aggregate)40mm(forty milimetres) nominal size.)including all leads, lifts and carriage of materials, as per entire satisfaction of Engineer-in-charge.

Back filling behind abutment, wing walls and return walls complete as per drawing and Technical Specification,including all leads, lifts and carriage of materials, as per entire satisfaction of Engineer-in-charge..

Providing weepholes in brick masonry/stone masonry/plain reinforced conrete abutment,wing wall, return wall with 100 mm.(hundred milimetres) dia. PVC 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.including all leads, lifts and carriage of materials, as per entire satisfaction of Engineer-in-charge.

Construction of embankment with approved materials obtained from borrow pits with a lift upto any leads 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(one thousand meter) as per Technical specification clause 301.5.including all leads, lifts and carriage of materials, as per entire satisfaction of Engineer-in-charge.

Construction of granular sub base by providing well graded matrial , spreading in uniform layers with tractor mount grader on prepared surface , mixing by mix in place method with ratovator at OMC, and compacting with three wheel 80-100 kn static roller to achieve the desired density, complete as per Technical Specification Clause 401,including all leads, lifts and carriage of materials, as per entire satisfaction of Engineer-in-charge.

Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density.including all leads, lifts and carriage of materials, as per entire satisfaction of Engineer-in-charge.

Providing and applying primer coat with bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.70-1.0 kg/sqm (Zero decimal seven zero to one kilogramme per square metre) using mechanical means as per Technical Specification Clause 502 including haulage of materials with in all leads, lifts and carriage of materials and as per the directions of the Engineer-in-Charge.

Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm (Zero decimal two five to zero decimal three zero killogramme per square metre) on the prepared dry and hungry bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503. including haulage of materials with in all leads, lifts and carriage of materials and as per the directions of the Engineer-in-Charge.

Providing, laying and rolling of open-graded premix carpet of 20 mm (twenty millimetres) thickness composed of 13.2 mm to 5.6 mm (Thirteen point two millimetres to five point six millimetres) aggregates either using penetration grade bitumen/VG-10 (ten) grade bitumen or emulsion at the rate of 14.6 kg (Forteen decimal six killogramme) per ten square metre to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a three wheel 80-100 (eighty to one hundred) kN static roller capacity, finished to required level and grades to be followed by seal coat of Type B as per Technical Specification Clause 508 (five hundred eight), by mechanical means using bitumen (S-90)(ninety)/ VG-10 (ten) grade bitumen including haulage of materials with in all leads, lifts and carriage of materials and as per the directions of the Engineer-in-Charge.

Providing and laying seal coat, sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type B as per Technical Specification Clause 510 (five hundred ten), by mechanical means using bitumen (S-90) (ninety)/ VG-10 (ten) bitumen at the rate of 6.80 kg (Six decimal eight zero killogramme) per ten square metres including haulage of materials with in all leads, lifts and carriage of materials and as per the directions of the Engineer-in-Charge.

Sanjeev Kumar