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(ii) Girth above 600mm to 900mm.

(iii) Girth above 900mm to 1800mm.

Construction of reference pillar as per Fig 1600.1 (b) as per drawing and technical specification clause 1602.1

Construction of back pillar as per Fig 1600.1 (c) as per drawing and technical specification clause 1602.3

Construction of Job pillar as per Fig 1600.1 (d) as per drawing and technical specification clause 1602.4

Excavation in soil in Hilly Area by mechanical means including cutting and trimming of side slopes and disposing of excavated earth with a lift upto 1.5 m and a lead upto 20 m as per drawing and Technical Specification Clause 1603.1

Excavation in Hilly Areas in Ordinary Rock not requiring blasting by mechanical means including cutting and trimming of side slopes and disposal of cut materials with a lift upto 1.5 m and a lead upto 20 m as per Clause 1603.2

Excavation in Hilly Areas in Hard Rock requiring blasting by mechanical means, lift upto 1.5 m and disposal of excavated rock upto a lead of 20 m as per Clause 1603.2

FDR AND BITUMINOUS WORKS

Compacting Original Ground. Loosening of the ground upto a level of 300 mm below the subgrade level, watered, graded and compacted in layers for subgrade construction as per Technical Specification Clause 303.5.2.

Stabilisation of in-situ (existing pavement crust) or soil or otherwise subbase/base course up to the required depth by cold in-situ recycling using cement and chemical additives/otherwise : Providing pulverizing, spreading, milling and mixing of chemical additives at the appropiate rate as per job in mix design in accordance with IRC-SP-72-2015, IRC-37-2012 & 2018 and IRC SP 89 (part II) 2018. Cementitious additive @ rate of a minimum of 5-7% and CCS/CS additive should be spread on the existing pavement using a mobile truck mounted containerized cement/additive spreader with microprocessor-controlled weighing and spreading system. The additive spreader shall have variable working width sufficient to cover whole pavement lane. The in-situ stabilization process shall be carried out by a mobile and self-propelled stabilizer/reclaimer of working width of 2.4 m and with minimum engine horsepower 440 kw with a variable working depth up to 50 cm. The resultant stabilized mix then would be profiled to the required grade, level and thickness using motor grader and the mix would be compacted using 20 tonne pad foot roller in combination with smooth wheel roller to achieve desired proctor density as per IRC 37-2012 & 2018 and complete in all respect and curing with water as required including all materials, labour and machinery etc. The entire in-situ process would be carried out in single pass with milling and pulverising of damaged asphalt pavement/soil/aggregates/soil-aggregate mixture to the desired depth and with simultaneous addition of additives and water with machine integrated spray bars fitted on the wheeled self-propelled and vibratory pad foot roller to achieve the desired proctor density in all respects. The tandem roller must be followed by Pneumatic Tyre Roller. The minimum unconfined compressive strength (UC's) of stabilized subbase/base should be 4.5 to 7 MPa after 7/28 days of curing as per IRC-SP-72-2015, IRC-37-2012 & 2018 Also durability aspects (wet-dry cycles) of stabilized subbase should be satisfied as per IRC 37-2012 & 2018 and IRC SP 89 (part II) 2018. The gradation mixes and materials should be as per IRC 37-2012 & 2018 and IRC SP 89 (part II) 2018. The train of equipment to be used are binder spreader-water Tanker- Additive Truck- Recycler - Padfoot Roller (20 Tonne) + Single Drum Compactor - Grader _ Tandom Roller - Pneumatic Tyre Roller 920 Tonne)

Prime Coat 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.

Tack Coat (iii) 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 on the prepared granular surface treated with primer and cleaned with Hydraulic broom as per Technical Specification Clause 503.

Mix Seal Surfacing Providing, laying and rolling of close-graded premix surfacing material (Cold Mix) of 25 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

Construction of earthen shoulder. Construction of subgrade and earthen shoulder with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compavted to meet requirement of table 300.2 with lead upto 1000m as per technical specification clause 303.1.

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

CONSTRUCTION OF UNLINED SIDEDRAIN

Earthwork in excavation for structures as per drawing and technical Specification 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, dressing of sides and bottom and back filling in trenches with excavated suitable material. I. Ordinary soil Upto 3m depth

II. Ordinary rock (not requiring blasting) Upto 3m depth

III. Hard rock (requiring blasting)

CONSTRUCTION OF LINED SIDEDRAIN

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 deletirious material and disposal upto a lead of 50m, dressing of sides

Stone masonry work in cement mortar in foundation complete as per drawing and technical specifications clauses 702, 704, 1202 & 1203.

PANELLED CONCRETE ROAD

WBM Grading 3 Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with three wheel 80-100 kN static roller in stages to proper grade and camber, applying and brooming, crushable screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405.

Construction of un-reinforced panelled concrete pavement as per design,thickness as per design,Over a prepared sub base,eith concrete strength M30(Grade),Coarse and fine aggregates conforming to IS:383,maximum size of coarse and fine aggregates not exceeding 25mm mixed in a concrete mixer of not less than 0.2cum capacity and appropriate weigh batcher using approved mix design, laid in approved fixed side formwork spreading the concrete with shovel, rakes,compacted using needle,screed and plate vibrators and finished in continuouse opereation including provision of admixtures approved,curing of concrete slabs for 14-days,including cutting of groove at 1 meter interval in both direction using concrete joint cutting machine.

CROSS DRAINAGE WORKS

Earthwork in excavation for foundation of structures upto 3m depth as per drawing and technical Specification Clause 1104 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.

Providing cement concrete M10 (1:3:6) in levelling course below open foundation of head wall as per drawing and technical specification clause 1109.

Stone Masonry Work in cement mortar in foundation of head walls complete as per drawing and technical specification Clause 1109

Type-B (First class) bedding : Laying (First class) bedding of well compacted sand, moorum or approve granular materials as per clause1105 (ii)

Providing and laying RCC Pipe NP3 for Culvert on first class bedding of granular material in single row including fixing collar with cement mortar 1:2 but excluding excavation, protection work etc.

Backfilling in abutment, wing wall and return wall complete as per drawing and technical specification clause 1204.3.8 I. Granular material

Backfilling in Foundation Trenches as per drawing and technical specification Clause 1108

Stone masonry in cement mortar 1:3 for parapet complete as per drawing and technical specifications Clauses 700 and 1208.4

Plastering with cement mortar (1:4) 15mm thick on Brick/Stone works as per drawing and technical specification clauses 613.4 and 1204

Providing PCC M20 architectural coping on the top of retaining wall complete as per drawing and technical specification clause 615,710 and 1204.3.11

Clearing of Culverts.

Supplying, fitting and placing HYSD bar reinforcement in super structure complete as per drawing and technical specifications clauses 1002,1010 and 1202.

Providing and laying reinforce cement concrete in super structure as per drawing and technical specifications clause 800,1205.4 and 1205.5

Stone Masonry Work in cement mortar for sub-structure complete as per drawing and technical specification Clauses 702, 704, 1202 and 1204.

Providing concrete for plain/reinforced concrete in open foundation complete as per drawing and technical specification clause 802, 803, 1202 & 1203.

PROTECTION WORKS

Earthwork in excavation for structures as per drawing and technical Specification 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, dressing of sides and bottom and back filling in trenches with excavated suitable material.

Providing concrete for plain/reinforced concrete in open foundation complete as per drawing and technical specification clause 802, 803, 1202 & 1203.

Stone masonry in cement mortar for substructure complete as per drawing & technical specification Clauses 702, 704, 1202 and 1204

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

Stone masonry in cement mortar 1:3 for parapet complete as per drawing and technical specifications Clauses 700 and 1208.4

Plastering with cement mortar ( 1:4) 15mm thick on Brick/Stone works as per drawing and technical specification clauses 613.4 and 1204

Providing PCC M20 architectural coping on the top of retaining wall complete as per drawing and technical specification clause 615,710 and 1204.3.11

KM STONE & TRAFFIC SIGNS

Reinforced cement concrete M15 grade kilometre stone of standard design as per IRC : 8 fixing in position including painting and printing, etc. as per drawing and Technical specification clause 1703. i) 5th kilometre stone (precast)

ii) Ordinary kilometre stone (precast)

iii) 200m stone (precast)

Reinforced cement concrete M15 grade boundary pillars of standard design as per IRC : 25, fixed in position including finishing and lettering but excluding painting as per drawing and Technical specification clause 1704.

Painting two coats including primer coat after filling the surface with synthetic enamel paint in all shades on new plastered surfaces as per drawing and Technical specification clause 1701. ( For boundary pillars )

Providing and fixing of retro-reflectorised cautionery, mandatory and informatory sign as per IRC : 67 made of encapsulated lens type reflective sheeting vide clause 1701.2.3 fixed over alluminium sheeting 1.5mm thick supported on mild steel angle iron post 75x75x6mm firmly fixed to the ground by means of properly designed foundation with M-15 grade cement concrete 450mmx 450mmx 600mm, 600mm below ground level as per drawing and Technical specification clause 801.

Providing and erecting direction and place identification retro-reflectorised sign as per IRC : 67 made of encapsulated lens type reflective sheeting vide clause 1701.2.3 fixed over alluminium sheeting 2mm thick with area not exceeding 0.9sqm supported on

Construction of Parapets

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