Construction i/c MBT of a road from 26th Km of Adugiri Purakhasia road to Rakwapara (3.331 Km) i/c bridge 25.58m span (Balance Work)

Amount

Excavation for roadway

Excavation for roadway in soil by mechanical means, etc.

Construction of embankment with approved materials deposited at site from roadway cutting and excavation from drain and foundation of other structures graded and compacted to meet requirement of tables...etc

Construction of subgrade and earthen

Construction of subgrade and earthen shoulders with approved material 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 as per Technical Specification clause-303.1 (a) Subgrade in CC & Flexible Pavement

(a) Earthern shoulder on flexible pavement.

Compacting original ground supporting subgrade Loosening the ground up to a level of 300mm below the subgrade level, etc.

Construction of granular sub-base with locally available graded material, spreading in uniform layers with motor grader on prepared surface, watering to OMC and compacting with smooth wheel roller, etc. GSB grade 2 materials. i) For grading ll material

Water Bound Macadam

WBM Grading -II, By Manual Means Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification inluding spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100kN in stages to proper grade and camber, applying and brooming, stone screening/ binding materials to fill up the interstices of coarse aggregate, watering and compacting to the required density grading 3 as per Technical Specification Clause 405.

WBM Grading -III, By Manual Means Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification inluding spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100kN in stages to proper grade and camber, applying and brooming, stone screening/ binding materials to fill up the interstices of coarse aggregate, watering and compacting to the required density grading 3 as per Technical Specification Clause 405.

Bituminous Work

Prime Coat (i) High porosity 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 1.2 - 1.5 kg/sqm using mechanical means as per Technical Specification clause 502.

Tack coat with Bitumen Emulsion (iii) Providing and applying tack coat with Bitumen emulsion (RS-I) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared granular surfaces treated with primer & cleaned with Hydraulic broom as per Technical Specification Clause 503.

20 mm thick Open Graded Premix Carpet using Bituminous emulsion as per Technical Specification Clause 508.2 (Cold Mix)

Seal Coat Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A, Type B and Type C as per Technical Specification of Rural Roads Type C

Providing and laying pitching on slopes as per drawing and technical specification clause 1302.

Bridge 25.58m span

Sub-head 1.0-Foundation

Supplying fitting and placing HYSD bar reinforcement in superstructure complete as per drawing and technical specification...etc.

Sub head 2.0-Substructure

Backfilling behind abutment, wing wall and return wall complete, etc. (i) Granular material

(ii) Sandy material

Providing and laying filter media with granular materials/crushed aggregates, etc.

Supplying, fitting and fixing true to line and level elastometric bearing, etc.

Sub head 3.0 - Superstructure

Supplying fitting and placing HYSD bar reinforcement in superstructure complete as per drawing and technical specification...etc.

Providing and laying cement concrete wearing course M30 grade including reinforcement, etc.

Providing and laying of compression seal joint consisting of steel armoured nosing at two edges of the joint gap suitably anchored to the deck concrete and a preformed chloroprene elastomer etc.

Providing and fixing 2 mm thick corrugated copper plate in expansion joint as per drawing and technical specifications complete.

Providing and fixing 20 mm thick compressible fibre board in expansion joint complete as per drawings and technical specifications.

Providing and fixing 20 mm thick premoulded joint filler in expansion joint for fixed ends of simply supported spans, covered with sealant complete.

Providing and filling joint sealing compound as per drawings and technical specifications with coarse sand and 6 percent bitumen by weight.

Sub-head 40-Protection works

Providing and laying pitching on slopes laid over prepared filter media as per drawings and technical specifications (I) Stone/Boulder

Providing and laying filter material underneath pitching in slopes complete as per drawings and technical specifiations

Providing conrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications (I) Random rubble masonry in case of stone pitching laid with cement mortar (1:5)

Toe Wall 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 ad disposal upto a lead of 50 m etc.

Sub head 5.0- Miscelaneous work

Confirmatory Boring (In Soil)

Confirmatory Boring (In Rock)

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 infront and gray colour on back with red reflective border of 65 mm width supported and welded on 47 mm x 47 mm x 12 SWG sheet tube firmly fixed to the ground by means of propoerly designed foundations with M15 grade cement concrete 450 x 450 x 600 mm, 600 mm below ground level etc.

i) 900mm equilateral triangle

iii) 600mm circular

Reinforced cement concrete M15 grade kilometre stone/local stone of standard design as per IRC:8 fixing in position including painting and printing, etc as per drawing and Technical Specification Clause 1703

ii) Ordinary Kilometer Stone (Precast)

iii) 200 m stone (Precast)

Turfing with Sods Furnishing and laying of live sods of perennial turf forming grass on embankment slopes, verges or other locations shown on the drawing or as directed by the Engineer etc.

Excavation for structures

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 50m etc.

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 etc.

Providing ans 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 etc.

Pointing with cement mortar (1:3) on stone masonry work.

Foundation complete as per drawing and technical specification, etc.

PCC M-15 Nominal mix 1:2.5:5

Plain/reinforced cement concrete in substructure for abutment/pier cap, etc

(ii)PCC Grade M20

(IV)PCC Grade M25

Supplying, fitting and placing HYSD bar reinforcement in substructure complete as per drawings and technical specifications etc.

Providing PCC M 20 architectural coping on the top of wing wall, return wall etc. complete as per drawing and technical specification complete.

Backfilling behind, wing wall and return wall complete as per drawings & technical specification etc.

Plain/reinforced cement concrete in superstructure, etc (i) RCC M25

Supplying, fitting and placing HYSD bar reinforcement in superstructure complete as per drawings and technical specifications etc.

Construction of RCC railing of M 25 grade cast-in-situ with 20 mm nominal size aggregate, true to line and grade etc.

Drainage spouts complete as per drawings and technical specifications complete

20 mm thick Open Graded Premix Carpet using Bituminous emulsion as per Technical Specification Clause 508.2 (Cold Mix)

Seal Coat Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A, Type B and Type C as per Technical Specification of Rural Roads Type C

Maintainance

1st year

2nd year

3rd year

4th year

5th year