SOPD_G_2020_21_05 Re-construction of Gerua - Hadla Koyajani Bagta Road under SOPD-G for the year 2020-21, Hajo LAC

Amount

Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shurbs, saplings and trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or actioned ,up to a lead of 1000m including removal and disposal of top organic soil not exceeding 150mm in thickness as per Technical Specification Clause 201 1 ) By Manual Mean (A) In area of non-thorny jungle

Scarifying existing granular surface to a depth of 50 mm and disposal of scarified material with a lift upto 3 m and leads upto 1000 m as per Technical Specification Clause 301.4.

Excavation for roadway in soil using manual means for carrying of cut earth to embankment site with a lift upto 1.5 m and lead upto 50 m as per Technical Specification Clause 302.3

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. (i) Private land

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. (i) Private land

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. (A) By mix in place method. ii) For Grading II material

Providing, laying, spreading and compacting stone aggregates of specific sizes 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 materials to fill-up the interstices of coarse aggregate, watering and compacting to the required density as per Technical Specification Clause 405. 9 b) Using Screening Type B (11.2mm Agg.) 2) Grading-II

Providing, laying, spreading and compacting stone aggregates of specific sizes 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 materials to fill-up the interstices of coarse aggregate, watering and compacting to the required density as per Technical Specification Clause 405. 9 b) Using Screening Type B (11.2mm Agg.) 3) Grading-III

Prime coat (Providing and applying primer coat with bitumen emulsionon preparedsurface of granularBase including clearingof road surface and spraying primer at the rate of 1.00 kg/sqm using mechanical means.)( Including cost of testing of materials at site and laboratory as directed by the deptt.)

Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg per sqm on the prepared bituminous/granular surface cleaned with mechanical broom.( Including cost of testing of materials at site and laboratory as directed by the deptt.)

Dense Graded BituminousMacadam (Providingand layingdense bituminousmacadamwith 100-120 TPH batch type HMP producing an averageoutput of 75 tonnes per hour using crushed aggregates of specifiedgrading,premixedwith bituminousbinder@ 4.0 to 4.5% by weight of total mix and filler transporting the hot miox to work site,layingwith a hydrostaticpaverfinisherwith sensor control to the reqd. grade, lavel and alignment,rolling with smooth wheeled,vibratory and tandem rollers to achieve the desired compactionas per MoSRT&H cl. no. 507. complete in all respect. ( including carriage up to initial lead of 5.0 km from quarry and carriage of mixed materials up to 10.0 Km initial lead from mixing plant)( Includingcost of testing of materialsat site and laboratoryas directed by the deptt.). (A) Without anti stripping agent. (a)'with 60/70 or VG-30 grade paved bitumen. (ii) for GradingII (19 mm nominal size)

Bituminous Concrete (Providing and laying bituminous concrete with 100-120 TPH batch type hot mix plant producing an average output of 75 tonnes per hour using crushed aggregatesof specified grading,premixedwith bituminousbinder@ 5.4 to 5.6 % of mixand filler transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the reqd. grade, lavel and alignment,rollingwith smooth wheeled,vibratoryand tandem rollers to achieve the desired compaction as per MoSRT&H cl. no.509. complete in all respect. ( including carriage up to initial lead of 5.0 km from quarry and carriageof mixedmaterialsup to 10.0 Km initial leadfrom mixing plant )( Includingcost of testing of materialsat site and laboratory as directed by the deptt.). (A) (a) With hydrated lime/cement as filler ( refer table 500-9 of MoSRT&H specification. (I)'with 60/70 or VG-30 grade bitumen. Case II ( 13mm nominal size).

Kilometer stone: Reinforced cement concrete M-15 grade kilometer 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)

Kilometer stone: Reinforced cement concrete M-15 grade kilometer stone of standard design as per IRC : 8 fixing in position including painting and printing etc. As per drawing and technical specification Clause 1703 iii) 200 m Stone ( Precast)

Direction and place identification sign upto 0.9sqm size board. Providing and erecting direction and place identification retroReflectrorised sign as per IRC:67 made of encapsulatedlens type reflective sheeting vide clause 801.3 fixed over aluminiumsheeting, 2mm thick with areanot exceeding0.9sqm fixedon an angleiron of 25x25x4mm supported on a mild steel angle iron post 75mm x 75mm x 6mm firmly fixedto the groundby meansof properlydesign foundationwith M-15 gradeCementconcrete45cm x 45cm x 60cm, 60cm belowgroundlevelas per approveddrawingand sign. ( All the Steel work must be Tata/Sail/or any other approved brand

Providing and fixing retro -reflectorised,cautionary, mandatory and informatory sign as per IRC : 67 made encapsulated lens type reflective sheeting vide Clause 1701.2. fixed over aluminium sheeting ,1.5 mm thick supported on a mild steel angle iron post 75mm x 75 mm 6 mm firmly fixed on the ground by means of properly designed foundation with M-15 grade cement concrete 450 mm x 450 mm x 600 mm , 600 mm below ground level as per drawing and technical specification Clause 801 90 cm equilateral triangle

Providing and fixing retro -reflectorised,cautionary, mandatory and informatory sign as per IRC : 67 made encapsulated lens type reflective sheeting vide Clause 1701.2. fixed over aluminium sheeting ,1.5 mm thick supported on a mild steel angle iron post 75mm x 75 mm 6 mm firmly fixed on the ground by means of properly designed foundation with M-15 grade cement concrete 450 mm x 450 mm x 600 mm , 600 mm below ground level as per drawing and technical specification Clause 801 80 mm X 60 mm Rectangular

Providing and fixing retro -reflectorised,cautionary, mandatory and informatory sign as per IRC : 67 made encapsulated lens type reflective sheeting vide Clause 1701.2. fixed over aluminium sheeting ,1.5 mm thick supported on a mild steel angle iron post 75mm x 75 mm 6 mm firmly fixed on the ground by means of properly designed foundation with M-15 grade cement concrete 450 mm x 450 mm x 600 mm , 600 mm below ground level as per drawing and technical specification Clause 801 60 cm Circular

Providing and laying of hot applied thermoplastic compound 2.5 mm thick including reflectorising glass beads @ 250 gms per sqm area, thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35 .The finished surface to be level, uniform and free from streaks and holes and conforming to the MoSrt&H specifications

Providing reflective marker with micro prismatic lens in both direction having thermoplastic body adhering to the specification and guidelines of MoSRT& H is fixed to the road surface using the adhesives and the procedures with three month replacement warrenty and free maintenance.

Planting of Trees and their Maintenance for one Year. Planting of Trees by the road side ( Avenue tress) in 0.60 m dia holes, 1 m deep dug in the ground, mixing the soil with decayed fram yard/ sludge mannure, planting the saplings, backfilling the treanch, watering, fixing thr tree guard and maintaining the plants for one year.

Tapash Paul

Safikur Rahman