Additional OR to Diphu-Manja Road (NH-329) under Bakulia NH Division, Diphu for the year 2020-21 (Strengthening of Subgrade in Subgrade Failure Stretches with Cement Treated Sub-Base(CTSB) including construction of a Box Culvert at Km 12 Plus 600

Amount

Earth work: Clearing and Grubbing Road Land .(Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable materials to beused or auctioned up to lead of 1000metres including removal and disposal of top organic soil not exceeding 150mm thickness. (ii) By Mechanical Means A. Area of Light Jungle

Construction of Earthen shoulders & subgrade with approved materials obtained from borrow pits, with initial lead up to 3.00 km transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300-2 (including land compensation of earth)

Granular Sub-Base with Coarse Graded Material ( Table:- 400- 2) (Construction of granular sub-base by providing coarse 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 vibratory roller to achieve the desired density,complete as per cl. 401( with an initial lead of 5 Km.) (For Grading ii Materials)

Cement Treated Sub-Base: Providing in-situ Stabilization of Sub-base by using Cement as per design mix (3-4%) using enviroment friendly truck mounted cement spreader with computer control spray system of spraying width upto 2.4 meter as per specification. The pre spread cement , subbase materials shall be processed in-situ by using self propelled 4 wheeled individual hydraulic drive cold recyceler / stabilizer equipment with working width 2.4 mt. fitted with 440 KW Engine.The stabilizer equipment shall have inbuilt water spray bar system with built in nozzles to evenly spray, for stabilization purposes (A minimum of 15 nozzles set on both spray bars.). The recicyler equipments shall Pulverized, mix design depth.The resultant mix would then be compacted to desired design density by vibratory roller and eventually profilled to grade by grader and further compacted by smooth wheeled roller and PTR. The process should be done as per MORT&H's specification complete and as directed by the Enigineer in charge.

'Wet Mix Macadam (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 sb-base/base course on well prepared surface and compacting with vibratory roller to achieve the desired density ( 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 )

'(B) Prime coat (Providing and applying primer coat with bitumen emulsion on prepared surface of granular Base including clearing of 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.) (i) With bitumen emulsion-CSS-1h ( IS-8887-2004 )

Tack Coat : Providing and applying tack coat with bitumen emulsion pressure distributor at the rate of 0.20 kg. Per sqm on the prepared bituminous / granular surface cleaned with mechanical broom. '(c) Granular surfaces treated with primer '(I)With Bitumen emulsion CSS-1h

Dense Graded Bituminous Macadam (Providing and laying dense bituminous macadam with 100-120 TPH batch type HMP producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 4.0 to 4.5% by weight of total mix and filler transporting the hot miox to work site,laying with a hydrostatic paver finisher with sensor control to the reqd. grade, lavel and alignment,rolling with smooth wheeled,vibratory and tandem rollers to achieve the desired compaction as 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 ) ( Including cost of testing of materials at site and laboratory as directed by the deptt.) (b) With anti stripping agent as per IS:14982( Refer Appendix-5 of MoSRT&H specification) (I)'with 60/70 or VG-30 grade bitumen,' 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 aggregates of specified grading, premixed with bituminous binder @ 5.4 to 5.6 % of mix and filler transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the reqd. grade, lavel and alignment,rolling with smooth wheeled,vibratory and 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 carriage of mixed materials up to 10.0 Km initial lead from mixing plant )( Including cost of testing of materials at site and laboratory as directed by the deptt.) (C) With polymer modified hydrated lime/cement as filler ( refer table 500-9 of MoSRT&H specification) (II)'with polymer modified bitumen 70. (ii) 'for Grading II ( 13 mm nominal size )

TRAFFIC SIGNS, MARKINGS AND ROAD APPURTENANCES 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 finishedsurface to be level, uniform and free from streaks and holes and conforming to the MoSrt&H specifications Center line & edge line (DBM Road)

Providing reflective pavement marker with Micro prismatic lens in both direction having thermoplastic body adhering to the specification and guidelines of MoSRT&H’s fixed to the road surface using the adhesives and the procedures recommended by the manufacturers with three months replacement warranty and free maintenance.

Kilo Metre Stone (Reinforced cement concrete M15grade kilometre stone of standard design as per IRC:8-1980, fixing in position including painting and printing etc) 5th kilometre stone (precast)( DM Road)

Kilo Metre Stone (Reinforced cement concrete M15grade kilometre stone of standard design as per IRC:8-1980, fixing in position including painting and printing etc) Ordinary Kilometer stone (Precast)( DM Road)

Retro reflectorised Traffic sign: Providing and erecting of Retro-Reflectrorised cautionary, mandatory & informatory sign as per IRC: 67 made of high intensity encapsulated lens type reflective sheeting vide clause 801.3, fixed over aluminium sheeting, 2 mm thick fixed on an angle iron of 25x25x4mm supported on a mild steel angle iron post 75mm x 75mm x 6mm firmly fixed to the ground by means of properly design foundation with M-15 grade Cement concrete 45cm x 45cm x 60cm, 60cm below ground level as per approved drawing and sign. ( All the Steel work must be Tata/Sail/or any other approved brand) (i) 90 CM equilateral traingle

(ii) 60 CM Circular

(iii) 80 CM X 60 CM Rectangular

Direction and Plce indendification Sign Board upto 0.90 Sqmt Size Board. Providing and erecting direction and place identification retro-Reflectrorised sign as per IRC:67 made of encapsulated lens type reflective sheeting vide clause 801.3 fixed over aluminium sheeting, 2mm thick with area not exceeding 0.9sqm fixed on an angle iron of 25x25x4mm supported on a mild steel angle iron post 75mm x 75mm x 6mm firmly fixed to the ground by means of properly design foundation with M-15 grade Cement concrete 45cm x 45cm x 60cm, 60cm below ground level as per approved drawing and sign. ( All the Steel work must be Tata/Sail/or any other approved brand)

Providing ‘Sparkle Solar Road Studs, manufactured by Tata B.P. Solar India Ltd. Of size (125mmx125mm), 90mm height (from bottom of shank to the top of stud) with detachable battery, m6LEDs-three on each side for Bi-directional studs/3 LEDs on one side for unidirectional studs, ultra bright LED in amber and red colour, weight per stud 700+25 gms, flash rate of 50-65 times per minute completely water resistant and weather proof with replacement warranty and free maintenance fro one year from the date of installation of stud on road-(installation should be made using adhesives and procedures recommended by manufacturer under the supervision of their competent technician). a) Bi-directional Stud-

Miscellaneous Works: Mastic Asphalt (Providing and laying mastic asphalt wearing course with paving grade bitumen meeting the requirements given in table 500-29( binder having penetration as (15+/- 5) at 25 deg. centrigrade), prepared by using mastic cooker and laid to required level and slope after cleaning the surface, including providing anti skid surface with bitumen pre coated fine grained hard stone ships of 13.2mm nominal size at the rate of .005cum per 10 sqm. and at an approximate spacing of 10 cm center tpo center in both direction , pressed into surface when the temperature of surfaces not less than 1000C, protuding 1mm to 4mm over mastic surface , all complete as per clause 515 .( including carriage up to initial lead of 5.0 km from quarry.) (ii)Thickness=40mm ( For 4 No.RCC bridges )

Construction of Culvert No. 13/2: Excavation for Structures (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 backfilling with approved material. I) Ordinary soil B) Mechanical Means (II) With dewatering (i) Depth upto 3 m

Plain/Reinforced cement concrete, in open foundation complete as per drawing and technical specification including steel shuttering formwork. (N) Without plasticiser A) PCC Grade M15

Plain/Reinforced cement concrete, in Substructure complete as per drawing and technical specification including steel shuttering formwork. (N) Without plasticiser E) RCC Grade M 20 a) Height upto 5m Case I: Using concrete mixer

Supplying, fitting and placing TMT bar reinforcement in sub-structure complete as per drawing and technical specifications. a)From Primary Sources: TATA/SAIL/Esser Steel/ Jindal steel/Shyam steel (ii)Super Ductile (SD) TMT reinforcement bar of Fe-500 N/mm2

Plain/Reinforced cement concrete, in Substructure complete as per drawing and technical specification including steel shuttering formwork. (N) Without plasticiser b) PCC Grade M 20 a) Height upto 5m Case I: UsinBg concrete mixer

Providing weep holes in Brick masonry/Plain/Reinforced concrete abutment, wing wall/return wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V :20H towards drawing foce. Complete as per drawing and Technical specification.

Drainage Spouts complete as per drawing and Technical specification

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

Curtain wall complete as per drawing and Technical specification B) Cement concrete Grade M15

Providing and laying of Filter media with granular materials/stone crushed aggregates satisfying the requirements laid down in clause 2504.2.2. of MoRTH specifications to a thickness of not less than 600 mm with smaller size towards the soil and bigger size toeards the wall and provided over the entire surfaces behind the abutement, wing wall and return wall to the full height compacted to firm condition complete as per drawing and technical specification.

Flexible Apron :Construction of flexible apron 1 m thick comprising of loose stone boulders weighing not less than 40 kg beyond curtain wall.

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification a) Granular material

Providing and laying boulders apron on river bed for protection against scour with stone boulders weighing not less than 40 kg each complete as per drawing and Technical specification.

ANIL DAS