Long Term Output & Performance based Road Assets Maintenance Works Under Package 27 -C/ OPRMC-III/Vaishali Road Division, Hajipur

Ordinary Maintenance Services in the following Roads (with chainage): -

Hajipur Mahua Tajpur Road (Km 0.00 to 43.280)=43.28

Bahuara Patepur Sukki Road (Km 0.00 to 11.60)=11.60

Goraul Sondho Mathnamal Road (Km 0.00 to 12.660)=12.66

Sondho Ponjha BelwarGhat Road. (Km 0.00 to 13.000)=13.0

Muzaffarpur Mahua Road (km 14.4 to 29.313))=14.913

Mahua - Bakhridua - Derhua Chowk Road (Km 0 to 16.55)=16.55

Bahuara Chowk to Harprasad (at N.H. - 103) via Musapur (Km 0.00 to 14.475)=14.475

Mahua - Patepur - Bardiha to Ramouli Road via Maudah, Patepur (Km 0.00 to 9.875 )=9.875

Rasulpur Chowk to Hasansarai (at N.H. - 28) Road via Chandpura Pul, Bharthipur) (Km 0.00 to 10.130)=10.13

Mangru Chowk to Chhatwara Road Via Gaddopur (Km 0.00 to 3.95)=3.95

Senduari - Vasudevpur - Chaputa - Dhobghatti Road (Km 0.00 to 3.50)=3.5

Suresh Chowk Dabhaich Sukki Saraiya ghat mehsi chowk Sujawalpur(NH-28) Road(KM 0.00 to 12.00)=12

Bajitpur Chande Marui Road(Km 0.00 to 4.00)=4.0

Chiknauta Bhartipur Patepur Road(Km 0.00 to 3.50)=3.5

Bajitpur Nirpur Patepur Road(km 0.00 to 6.35)=6.35

Chaksikandar Kariho Chour Mirza Nagar Mahua Road(Km 0.00 to 14.475)=14.475

Umtaha to Kushar Road (Mahua Byepass Road)(Km 0.00 to 9.80)=9.8

Item No.

In words

Repairs to shoulders /Construction of Earthen shoulders on both sides of the carriageway wherever required to bring the service level (with 3% camber) (i) Earthen Shoulder: (a) High Shoulder (b) Low shoulder (ii) Hard Shoulder: (a) Paved Shoulder/ Granular (b) Footpath

Plantation in medians and islands not maintained by other agencies.

Pruning of trees to get 5.5 m height above the pavement.

Repairs and cleaning to Cross Drainage Works including Culverts and side drains (outside the area of Municipal Corporation and Nagar Parishad) to specified service levels by taking up required items ensuring to minimum quantity as per Section 5D of Technical Specification.

Providing Road safety and informatory items complete as per IRC:67/latest code specifications such as;

Providing and fixing new mandatory, cautionary and informatory Retro Reflectorized signage, ensuring minimum quantity as per Section 5D of Technical Specification.

Maintenance of existing signages ensuring minimum quantity as per Section 5D of Technical Specification.

Fixing new and maintenance of existing KM stones as per MORTH Specifications ensuring minimum quantity as per Section 5D of Technical Specification.

Fixing New & Maintenance of existing Guard stones/ Guide post as per MORTH Specifications ensuring minimum quantity as per Section 5D of Technical Specification.

Fixing New and Maintenance of existing Object Hazard Marker at the opening ends of culverts and bridges or at any other points, delineators. median markers and bollards (spring post) as required, as per MORTH Specifications ensuring minimum quantity as per Section 5D of Technical Specification.

Providing New and Maintenance of existing Rumble strips/ speed breaker or any traffic calming measures on minor/major roads as per MORTH Specifications ensuring minimum quantity as per Section 5D of Technical Specification.

Providing new and maintenance of existing Road marking as per IRC: 35/latest code-

Hot Applied Thermoplastic compound 2.5mm thick including reflectorising glass beads with (Clause 803-Road Marking with Hot Applied Thermoplastic Compound with Reflectorising Glass Beads on Bituminous Surface-Providing & laying of hot applied thermoplastic compound 2.5 mm thick including reflectorising glass beads @250gm/sqm area, thickness of 2.5mm is exclusive of surface applied glass beads as per IRC:35 latest code. The finished surface to be level, uniform & free from streaks & holes). i. Centre line, lane line marking as per IRC: 35 latest code or as per existing road markings. ii. Edge line marking for all lanes/ roads as per IRC:35 latest code or as per existing road markings. Ensuring minimum quantity as per Section 5D of Technical Specification.

For Urban roads as mentioned in Appendix and as per the direction of Engineer-in-charge: Providing & fixing of reflective pavement markers (Road studs (Road Markers/Road Stud with micro prismatic Lense Reflector- Providing & fixing of road stud 100x100mm, die-cast moulded from ASA (Acrylic Strene Acrylonitrite) High impact poly styrene or ABS (Acrylonitrile Butadiene Styrene) body resistant to minimum support a load of 13635 Kg and Fitted with micro prismatic Lence Reflector installed in concrete or asphaltic surface by drilling hole 30mm upto a depth of 60mm and bedded in a suitable bituminous grout or epoxy mortar, all as per MORTH Specifications ensuring minimum quantity as per Section 5D of Technical Specification.

Repair and Painting of road side assets including painting of trees & poles on formation width; (a) Repair of dividers, road kerbs, islands, parapets and RCC/Brick drains (b) Painting of Trees and Poles Painting of road divider, island, parapets, kerbs etc. ensuring minimum quantity as per Section 5D of Technical Specification.

Any additional activities the Bidder considers necessary to achieve the Service Level Objective.

Item No.

In words

Tack Coat (Clause-503) - 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

BC 30mm (Clause 507) - 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 per cent of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MORTH specification (5th revision) Clause No. 507 complete in all respects.

Maintenance of Shoulders as per MORTH Specification 305.

Thermoplastic Edge Line Marking.

Painting of Parapets, Kerbs, Islands, Dividers.

Single lane (Carriage way width ≤3.75m) (30 mm thick BC). Rate shall be quoted assuming per kilometre carpet area as 3750m2. Payment shall be proportionately increased or decreased as per the actual area of the kilometre).

Intermediate lane (30 mm thick BC) (Carriage way width > 3.75 and < 7.0 m). Rate shall be quoted assuming per kilometre carpet area as 5500 m2. Payment shall be proportionately increased or decreased as per the actual area of the kilometre).

Providing 40mm thick BC for Periodical Maintenance to Double and Multi lanes including profile correction (Carriage width ≥ 7.0m) with the following items of work to obtain the required service level.

Tack Coat (Clause-503) - 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.

BC (Clause-507) - Providing and laying Bituminous Concrete 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 @ 5.4 per cent of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MORTH specification (5th revision) Clause No. 507 complete in all respects.

Providing shoulder width 2.5m using with 3% camber to the required the service level for low shoulders as per MORTH Specification Clause 305.

Providing centre line and lane line marking (Hot Applied Thermoplastic compound 2.5 mm thick including reflect rising glass beads) as per IRC:35/latest code.

Providing Continuous edge line marking (Hot Applied Thermoplastic compound 2.5mm thick including reflect rising glass beads) as per IRC:35/latest code.

For Urban Roads as mentioned in Appendix and as per the direction of Engineer-in-Charge - Providing & fixing of reflective pavement markers Road Markers/Road Studs with micro prismatic Lense Reflector- Providing and fixing of road stud 100 x 100 mm, die-cast moulded from ASA (Acrylic Strene Acrylonitrite) High impact poly styrene or ABS (Acrylonitrile Butadiene Styrene).

Providing repairs & painting to median & kerbs, islands, dividers.

Maintenance of shoulders as per MORTH Specifications- 305.

Double Lane - Rate shall be quoted assuming per kilometre carpet area as 7000m2. Payment shall be proportionately increased or decreased as per the actual area of the kilometre).

Double Lane with Paved Shoulders of width ______________.

Providing Periodic Maintenance to Single and Intermediate Lanes including profile correction with the following items of works to obtain the required service level.

Tack Coat (Clause-503) - 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

BC 30mm (Clause 519) – Recycling pavement by cold milling of existing bituminous layers, planning the surface after cold milling, reclaiming excavated material to the extent of 30 percent of the required quantity, hauling and stock piling the reclaimed material near the central recycling plant after carrying out necessary checks and evaluation, adding fresh material including rejuvenators as required, mixing in a hot mix plant, transporting and laying at site and compacting to the required the grade, level and the thickness, all as specified in clause 519.

Maintenance of Shoulders as per MORTH Specification 305.

Thermoplastic Edge Line Marking.

Painting of Parapets, Kerbs, Islands, Dividers.

Single lane (Carriage way width≤ 3.75m) (30 mm thick BC). Rate shall be quoted assuming per kilometre carpet area as 3750m2. Payment shall be proportionately increased or decreased as per the actual area of the kilometre).

Intermediate lane (30 mm thick BC) (Carriage way width > 3.75 and < 7.0 m). Rate shall be quoted assuming per kilometre carpet area as 5500 m2. Payment shall be proportionately increased or decreased as per the actual area of the kilometre).

Providing 40mm thick BC for Periodical Maintenance to Double and Multi lanes including profile correction (Carriage width ≥ 7.0m) with the following items of work to obtain the required service level.

Tack Coat (Clause-503) - 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.

BC (Clause-519) – Recycling pavement by cold milling of existing bituminous layers, planning the surface after cold milling, reclaiming excavated material to the extent of 30 percent of the required quantity, hauling and stock piling the reclaimed material near the central recycling plant after carrying out necessary checks and evaluation, adding fresh material including rejuvenators as required, mixing in a hot mix plant, transporting and laying at site and compacting to the required the grade, level and the thickness, all as specified in clause 519.

Providing shoulder width 2.5m using with 3% camber to the required the service level for low shoulders as per MORTH Specification Clause 305.

Providing centre line and lane line marking (Hot Applied Thermoplastic compound 2.5 mm thick including reflect rising glass beads) as per IRC:35/latest code.

Providing Continuous edge line marking (Hot Applied Thermoplastic compound 2.5mm thick including reflect rising glass beads) as per IRC:35/latest code.

For Urban Roads as mentioned in Appendix and as per the direction of Engineer-in-Charge - Providing & fixing of reflective pavement markers Road Markers/Road Studs with micro prismatic Lense Reflector- Providing and fixing of road stud 100 x 100 mm, die-cast moulded from ASA (Acrylic Strene Acrylonitrite) High impact poly styrene or ABS (Acrylonitrile Butadiene Styrene).

Providing repairs & painting to median & kerbs, islands, dividers.

Maintenance of shoulders as per MORTH Specifications- 305.

Double Lane - Rate shall be quoted assuming per kilometre carpet area as 7000m2. Payment shall be proportionately increased or decreased as per the actual area of the kilometre).

Double Lane with Paved Shoulders of width ______________.

Providing Periodic Maintenance to Single and Intermediate Lanes including profile correction with the following items of works to obtain the required service level.

Tack Coat (Clause-503) - 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

BC 30mm (Clause 518) – Providing laying and rolling of bituminous cold mix on prepared base consisting of a mixture of unheated mineral aggregate and emulsified or cutback bitumen, including mixing in a plant of suitable type and capacity, transporting, laying compacting and finishing to specified grades and levels.

Maintenance of Shoulders as per MORTH Specification 305.

Thermoplastic Edge Line Marking.

Painting of Parapets, Kerbs, Islands, Dividers.

Single lane (Carriage way width ≤ 3.75m) (30 mm thick BC). Rate shall be quoted assuming per kilometre carpet area as 3750m2. Payment shall be proportionately increased or decreased as per the actual area of the kilometre).

Intermediate lane (30 mm thick BC) (Carriage way width > 3.75 and < 7.0 m). Rate shall be quoted assuming per kilometre carpet area as 5500 m2. Payment shall be proportionately increased or decreased as per the actual area of the kilometre).

Providing 40mm thick BC for Periodical Maintenance to Double and Multi lanes including profile correction (Carriage width ≥ 7.0m) with the following items of work to obtain the required service level.

Tack Coat (Clause-503) - 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.

BC 30mm (Clause 518) – Providing laying and rolling of bituminous cold mix on prepared base consisting of a mixture of unheated mineral aggregate and emulsified or cutback bitumen, including mixing in a plant of suitable type and capacity, transporting, laying compacting and finishing to specified grades and levels.

Providing shoulder width 2.5m using with 3% camber to the required the service level for low shoulders as per MORTH Specification Clause 305.

Providing centre line and lane line marking (Hot Applied Thermoplastic compound 2.5 mm thick including reflect rising glass beads) as per IRC:35/latest code.

Providing Continuous edge line marking (Hot Applied Thermoplastic compound 2.5mm thick including reflect rising glass beads) as per IRC:35/latest code.

For Urban Roads as mentioned in Appendix and as per the direction of Engineer-in-Charge - Providing & fixing of reflective pavement markers Road Markers/Road Studs with micro prismatic Lense Reflector- Providing and fixing of road stud 100 x 100 mm, die-cast moulded from ASA (Acrylic Strene Acrylonitrite) High impact poly styrene or ABS (Acrylonitrile Butadiene Styrene).

Providing repairs & painting to median & kerbs, islands, dividers.

Maintenance of shoulders as per MORTH Specifications- 305.

Double Lane - Rate shall be quoted assuming per kilometre carpet area as 7000m2. Payment shall be proportionately increased or decreased as per the actual area of the kilometre).

Double Lane with Paved Shoulders of width ______________.

Item No.

In words

Providing Re-Application of Thermoplastic Road Marking at the interval of minimum 2 years in Double Lane and Multi Lanes including auxiliary items as per the MORTH/IRC latest Specifications & as per the direction of Engineer-in-charge with the following items of works to obtain the required service level

Providing centre line and lane line marking (Hot Applied Thermoplastic compound 2.5 mm thick including reflect rising glass beads) as per IRC:35/latest code.

Providing Continuous edge line marking (Hot Applied Thermoplastic compound 2.5mm thick including reflect rising glass beads) as per IRC:35/latest code.

For Urban Roads as mentioned in Appendix and as per the direction of Engineer-in-Charge - Providing & fixing of reflective pavement markers Road Markers/Road Studs with micro prismatic Lense Reflector- Providing & fixing of road stud 100 x 100 mm, die-cast moulded from ASA (Acrylic Strene Acrylonitrite) High impact poly styrene or ABS (Acrylonitrile Butadiene Styrene).

SOR No.

In words

Tack Coat on Cement Concrete Pavement Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.30 kg per sqm on the prepared bituminous surface cleaned with mechanical broom.

Providing and laying 25 mm thick mastic asphalt wearing course with paving grade bitumen meeting the requirements given in table 500-39, prepared by using mastic cooker and laid to required level and slope after cleaning the surface, including providing antiskid surface with bitumen precoated fine grained hard stone chipping of 13.2 mm nominal size at the rate of 0.005 cum per 10sqm and at an approximate spacing of 10cm center to center in both directions, pressed into surface when the temperature of surfaces is not less than 1000c, protruding 1mm to 4mm over mastic surface, all complete as per clause 516.

Construction of dry lean cement concrete Sub- base over a prepared sub-grade with coarse and fine aggregate conforming to IS: 383, the size of coarse aggregate not exceeding 25 mm, aggregate cement ratio not to exceed 15:1, aggregate gradation after blending to be as per table 600-1, cement content not to be less than 150 kg/ cum, optimum moisture content to be determined during trial length construction, concrete strength not to be less than 10 Mpa at 7 days, mixed in a batching plant, transported to site, laid with a paver with electronic sensor, compacting with 8-10 tonnes vibratory roller, finishing and curing.

Construction of un-reinforced, dowel jointed, plain cement concrete pavement over a prepared sub base with approve grade cement @ 400 kg per cum, coarse and fine aggregate conforming to IS 383 as per actual Design Mix, possessing 28 days minimum compressive strength of 40 (Forty) Mpa and 28 days minimum flexural strength of 4.5 (Four point five) MPa, maximum size of coarse aggregate not exceeding 25 mm, mixed in a batching and mixing plant as per approved mix design, transported to site, laid with a fixed form or slip form paver, spread, compacted and finished in a continuous operation including provision of contraction, expansion, construction and longitudinal joints, joint filler, separation membrane, sealant primer, joint sealant, debonding strip, dowel bar, tie rod, admixtures as approved, curing compound, finishing to lines and grades as per drawing

Dismantling of flexible pavements and disposal of dismantled materials upto a leadof 1000 metres, stacking serviceable and unserviceable materials separately(By Mechanical means) A. Bituminous Courses

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 surface cleaned with mechanical broom.

Providing and laying dense graded bituminous macadam with higher capacity batch type HMP using crushed aggregates of specified grading, premixed with bituminous binder @4.5 percent by weight of total mix and filler, transporting the hot mix to work site laying with a hydrostatic paver finisher with sensor control to the required grade level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MORT&H specification clause no. 505 complete in all respects.

Providing and fixing of retro- reflectorised cautionary, mandatory and informatory sign as per IRC :67 made of class-C Type XI retro reflective sheeting fixed over 2mm thick aluminium sheeting vide clause 801.3, 3/4mm thick Aluminium composite material sheet depending on the size of the sign fixed over back support frame of min 25 x 25 x 3 mm Angle mounted on a mild steel circular pipe 65 NB, 3.2 mm thickness firmly fixed to the ground by means of properly designed foundation with M25 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing. The sign shall be maintained as per section 12 of IRC 67. The sign shall be maintained as per section 12 of IRC 67.The retro reflective sheeting shall be tested for a certificate of having the sheeting tested for coefficient of retro reflection, daytime colour and luminance, shrinkage, flexibility, linear removal, adhesion, impact resistance, specular gloss and fungus resistance, 3 years outdoor weathering and its having passed these tests shall be obtained from International/Goverment Laboratory/Institute by the manufacturer of the sheeting and in case the certificate is obtained from international condition, it should also be obtained from indian condition within 3 years of launching of product by the manufacture in abroad.Alternatively, a certificate conforming to ASTM specification (D4956-09) on artificial accelerated weathering requirements from a reputed laboratory in India can be accepted provisionally.In such a situation, the Employer/Client, if so desires could seek for a performance guarantee which would released after receipt a certificate meeting the requirement of three years outdoor weathering of the sheeting as per IRC 67:2012 & proof of the same report shall be uploaded while quoting tendor. The retro reflective sheeting shall be covered under 10 years warranty to be provided from the original sheeting manufacturer, as per Clause 6.9 of IRC 67:2012. At the end of 10 years, the sheeting shall retain atleast 80% of its original retro-reflectance. When totally wet, the sheeting shall show not less than 90% of the value of the desired retro reflectance.

90 cm equilateral triangle

60 cm circular

90 cm high octagon

80 cm x 60 cm rectangular

Road Delineators (Supplying and installation of MS delineators (Road way indicators, hazard markers, object markers), 80-100 cm high above ground level, painted black and white in 15 cm wide strips, fitted with 80 x 100 mm rectangular or 75 mm dia circular reflectorised panels at the top, buried or pressed into the ground and conforming to IRC-79 and the drawings. MS Delineator made of Mild steel with pure polyester powder coating with the minimum thickness of powder coating of not less than 40 micron for protection against corrosion. The surface should be concealed so that there should not be any exposed surface without powder coating. Alternatively,these metal guide poles can be concealed with thermoplastic body. The posts shall have fan ellipsoidal or circular design with the height of the pole shall be 800 to 900 mm above the ground with about 200 to 300 mm base which can be anchored onto ground. Mild steel Guide poles shall conform to Type XI sheeting specifications as per IRC:67 and ASTM D4956 which would ensure to obtain clear visibility of the road alignment during night time. The retro reflective sheeting shall be tested for a certificate of having the sheeting tested for coefficient of retro reflection, daytime colour and luminance, shrinkage, flexibility, linear removal, adhesion, impact resistance, specular gloss and fungus resistance, 3 years outdoor weathering and its having passed these tests shall be obtained from International/Goverment Laboratory/Institute by the manufacturer of the sheeting and in case the certificate is obtained from international condition, it should also be obtained from indian condition within 3 years of launching of product by the manufacture in abroad.Alternatively, a certificate conforming to ASTM specification (D4956-09) on artificial accelerated weathering requirements from a reputed laboratory in India can be accepted provisionally.In such a situation, the Employer/Client, if so desires could seek for a performance guarantee which would released after receipt a certificate meeting the requirement of three years outdoor weathering of the sheeting as per IRC 67:2012 & proof of the same report shall be uploaded while quoting tendor.

Kilometre 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)

Provision of an Reinforced cement concrete New Jersy crash barrier at the medians constructed with Reinforced cement concrete with HYSD reinforcement conforming to MoRT&H specification and as per details given IRC-119 (Fig.-26) including dowel bars 25 mm dia, 450 mm long at expansion joints filled with pre-moulded asphalt filler board etc.,as per approved drawing and at locations directed by the Engineer, all as specified. (Area- 0.261 sqm./meter, Double Face)(RCC M30 Grade)

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

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 metres

Cement Concrete Grade M-15 & M-20(By Mechanical Means)

Dismantling Brick/ tile work (By Manual means) In Cement Mortar

Plain/Reinforced cement concrete in open foundation complete as per drawing and technical specifications.PCC Grade M15

Reinforced cement concrete in sub-structure complete as per drawing and technical specifications. RCC Grade M20 (Box)

Reinforced cement concrete in sub-structure complete as per drawing and technical specifications. RCC Grade M20 (Box)

Providing and laying Cement concrete wearing coat M-30 grade including reinforcement complete as per drawing and Technical Specifications

Reinforced cement concrete approach slab including reinforcement and formwork complete as per drawing and Technical specification (M-30)

Drainage Spouts complete as per drawing and Technical specification

Construction of RCC railing of M30 Grade in-situ with 20 mm nominal size aggregate, true to line and grade, tolurence of vertical RCC post not to exceed 1 in 500, centre to centre spacing between vertical post not to exceed 2000 mm, leaving adequate space between vertical post for expansion, complete as per approved drawings and technical specifications.

Supplying, fitting and placing un-coated HYSD bar Reinforcement in Foundation complete as per Drawing and Technical specifications

Providing and laying Flooring complete as per drawing and Technical specifications laid over cement concrete bedding. Rubble stone laid in cement mortar 1:3

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.

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

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specifications.(Sandy Material)

Providing weep holes in Brick masonary/ 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 face. Complete as per drawing and Technical specifications.

Providing and applying 2 coats of water based cement paint to unplastered concrete surface after cleaning the surface of dirt, dust, oil, grease, efflorescence and applying paint @ of 1 litre for 2 sqm.

Providing & fixing 20 mm thick compressible fibre board in expansion joint complete as per drawing & Technical Specification.

GSB Grading I Below approach slab Construction of granular sub-base by providing close graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with front end loader at OMC, and compacting with vibratory roller to achieve the desired density, complete as per clause 401.

Amount ₹ INR