Construction of Main Road from Marine Jetty to Jhoola in the district of Nicobar at Block Nancowry Katchal 4th Call

PAVEMENT WORK

Clearing and grubbing road land

Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, saplings and trees of girth upto 300 mm, removal of stumps of such trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per Technical Specification Clause 201.

Dismantling of structures

Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 m as per Technical Specification Clause 202

Construction of Embankment with Material obtained from Roadway cutting

Box cutting or filling in Road embankment in all sorts of soil including spreading the spoils properly over the flank as necessary or on berm to approximate grade & camber and rolling the subgrade with power roller to proper camber and grade as per direction and satisfaction of Engineer-in-charge including uprooting and removing plants and jungles when and where necessary.

Scarifying Existing Bituminous Surface to a Depth of 150 mm by Mechanical Means

Scarifying the existing bituminous road surface to a depth of 150 mm and disposal of scarified material with a lift upto 3 m and lead upto 1000 m as per Technical Specification Clause 301.4.

Construction of Embankment with Material Obtained from Borrow Pits

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

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 with lead upto 1000 m as per Technical Specification Clause 303.1.

Granular Sub-base with Well Graded Material (Table 400.1) GSB grade III

Construction of granular sub-base by providing well graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401. Material: 9.5 mm to 4.75 mm @ 35 per cent = 0.447 cum, 4.75 mm to 2.36 mm @ 12.5 per cent = 0.160 cum, 2.36 mm below @ 52.5 per cent = 0.672 cum, Water = 0.100 kilolitre.

WBM Grading 3

Providing and laying, spreading and compacting stone aggregates of specificsizes to water bound macadam 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/binding, material to fill-up the interstics of coarse aggregates, watering and compacting to the required density Grading 2 as per Technical Specification Clause 405.

Prime Coat

Low 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 0.70-1.0 kg/sqm using mechanical means as per Technical Specification Clause 502 Material : Bitumen emulsion (SS-1) @ 0.85 kg per sqm.

Tack Coat

(i) Providing and applying tack coat with Bitumen emulsion (RS- 1) using emulsion distributor at the rate of 0.20 to 0.25 kg per sqm on the prepared bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503. Material : Bitumen emulsion (RS - 1) @ 0.225 kg per sqm.

Mix Seal Surfacing

Providing, laying and rolling of close-graded premix surfacing material of 20 mm thickness composed of 11.2 mm to 0.9 mm (Type-A) or 13.2 mm to 0.9 mm (Type-B) aggregates using penetration grade bitumen 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 8-10 kN static roller and finishing to required level and grades as per Technical Specification Clause 509. Material : Bitumen (S-90) = 2.2 kg, Stone crushed aggregates 11.2 mm to 0.09 mm = 0.027 cum.

ROAD SAFETY WORK

Retro-reflectorised Traffic Signs

(1) Providing and fixing of retro-reflectorised cautionary. mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 801

i) 600 mm equilateral triangle

ii) 600 mm circular

painting lines, dashes, arrows, etc on roads in two coats on new with ready mixed road marking paint conforming to IS:164 on bituminous/concrete surface, including cleaning the surface of all dirt, dust and other foregin matter, demarcation at site and traffic control as per drawing and Technical specification Clause 1702

ROAD FURNITURE

PMGSY informatory sign board

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 * 450mm * 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

(i) Logo Board at starting point (As per fig. 107 of Road signage under PMGSY published by the NRRDA on Dec'06)

ii) Maintainance logo board

Direction and place identification signs up to 0.9 sqm size board

Providing and erecting direction and place identifications of semi reflective sign boards as per IRC:67 made of 2mm thick M.S. Sheet duly stove enameled paint in white colour in front and grey colour on back with red reflective border of 70mm width and required m.essage, letters, figures with reflective engineering grade tape per MORD as specifications of required shade and colour. Supported and welded on 47mm x47mm of 12 SWG Square tube of 3050 mm height duly strengthened by 25 mm x 5 mm M / s flat iron on edges on back firmly fixed to the ground by means of properly designed foundations with M-15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per approved drawing and Technical Specification Clause 1701

Construction of 5th Kilometre Stone (Precast)

Reinforced cement concrete M 15 grade 5th Kilometre stone with 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 of specification of rural roads.

Construction of Ordinary Kilometre Stone (Precast)

Reinforced cement concrete M 15 grade Ordinary kilo metre stone with 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 of specification of rural roads.

Construction of 200 Metre Stone (Precast)

Reinforced cement concrete M 15 grade 200 metre stone with 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 of specification of rural roads.

CROSS DRAINAGE STRUCTURE WORK

Slab Culvert (1.5m span x 1 & 2m span x 1)

Earthwork in excavation of foundation of structures as per drawing and technical specifications Clause 305.1 including setting out, removing, spreading or stacking of spoils within a lead of 150 m as directed and including trimming the sides of the trenches, levelling, dressing and ramming the bottom and backfilling with approved material complete as per direction of the Engineer-in-charge /

Providing plain/reinforced cement concrete in Sub-structure with or without reinforcements in any part of foundation with graded stone chips of appropriate nominal sizes including screening and cleaning of coarse aggregates, fine aggregates(sand) conforming to proper grading zone, both of approved quality and cement as necessary, mixing in concrete mixer of suitable capacity and cost of curing with water, including preparation of design mix approved of the same by the Engineer in charge , cost for quality control, sampling, testing etc. including cost of form work but excluding reinforcement complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 of specification for Rural Roads PCC Grade M15 Face Wall

Providing plain/reinforced cement concrete in Sub-structure with or without reinforcements in any part of foundation with graded stone chips of appropriate nominal sizes including screening and cleaning of coarse aggregates, fine aggregates(sand) conforming to proper grading zone, both of approved quality and cement as necessary, mixing in concrete mixer of suitable capacity and cost of curing with water, including preparation of design mix approved of the same by the Engineer in charge , cost for quality control, sampling, testing etc. including cost of form work but excluding reinforcement complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 of specification for Rural Roads Grade M 20 Face Wall

Providing plain/reinforced cement concrete in Sup-structure with or without reinforcements in any part of foundation with graded stone chips of appropriate nominal sizes including screening and cleaning of coarse aggregates, fine aggregates(sand) conforming to proper grading zone, both of approved quality and cement as necessary, mixing in concrete mixer of suitable capacity and cost of curing with water, including preparation of design mix approved of the same by the Engineer in charge , cost for quality control, sampling, testing etc. including cost of form work but excluding reinforcement complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 of specification for Rural Roads RCC Grade M 25 Face Wall parapets Clause 1106.

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

Fillling in foundation trenches as per drawing and technical specification Clause 305.3.9

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, 1204.3.7onnection..

DRAINAGE

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.

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805,806,807,1202 and 1204.

1st Year Routine Maintenance

2nd Year Routine Maintenance

3rd Year Routine Maintenance

4th Year Routine Maintenance

5th Year Routine Maintenance

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