Improvement of road pavement by providng 40mm thick BC overlay includig filling of potholes with 50mm B.M, Road safety and Bridge Repairing works etc. from Km.316.00 to Km.357.00 of NH-37 (New NH-715) under SOPD, Assam for the year 2019-20

Amount

Providing and applying Tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 1 kg /per sqm on the prepared bituminous/granular surface cleaned with mechanical broom.i conforming to clause no 503 of MoRT&H specification for Road and Bridge works ( 5th Revision) complete as directed by the Deptt. (I)With Bitumen emulsion CSS-1h

(Providing and laying bituminous macadam with 100-120 TPH hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder transported to site, laid over a previously prepared surface with paver finisher to the required grade, level and alignment, and rolled as per clause 501.6 and 501.7 to achieve the desired compactions including cost of all leads and lift Including cost of testing of materials at site and laboratory as directed by the deptt.)

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 MoRT&H cl. no.509. complete in all respect. including all lift and lead and cost of testing of materials at site and laboratory as directed by the deptt.) (a) With hydrated lime/cement as filler ( refer table 500-9 of MoSRT&H specification),With anti stripping agent (I)'with PMB-70, (ii) for Grading-II(13 mm nominal size)

Construction of Sub grade and Earthen Shoulders with approved materials obtained from borrow pits, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300 - 2 ( including land compensation of earth) including all lead and lift conforming to clause no 305 of MoRT&H specification for Road and Bridge works ( 5th Revision ) complete as directed by the Deptt. '(a) from private land

Excavation in Soil with Dozer with lead upto 100 metres (Excavation for road way in soil by mechanical means including cutting and pushing the earth to site of embankment upto a distance as directed by the Deptt. including all lead and lift conforming to clause no 301 of MoRT&H specification for Road and Bridge works ( 5th Revision ) complete( including trimming bottom and side slopes in accordance with requirements of lines,grades and cross sections.)

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 including all lead and lift conforming to clause no 401 of MoRT&H specification for Road and Bridge works ( 5th Revision ) complete as directed by the Deptt. i) For grading- I Materials

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 all lead and lift conforming to clause no 406 of MoRT&H specification for Road and Bridge works ( 5th Revision) complete as directed by the Deptt. For ICBP

For Rigid Pavement L=100m Qty=100*7*0.15=105 cu.m

Providing and laying of inter locking concrete block pavement (ICBP) with cement concrete paver blocks as per IS 15658-2006 of thickness 80mm and of specific 28 days compressive strength over a layer of bedding sand of compacted thickness 30mm, laid either in stretcher/ running/ herringbone pattern of bonds as directed by the engineer in charge and in proper level and grade and compacted with appropriate equipment such as plate vibrator along with spreading of a thin layer of joint filling sand to fill up the gaps between blocks including construction of edge restraint wherever required complete as per drawing and technical specification clause 1504 of MORD.

Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification and steel shuttering formwork PCC Grade M25

Dry Lean Cement Concrete Sub- base (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 concrete not to be less than 150kg/cum, optimum moisture content to be determined during the trial length construction, concrete strength not to be less than 10Mpa at 7 days, mixed in a batching plant, transported to the site, laid with a paver with electronic sensor, compacting with 8-10 tonnes vibratory roller, finishing and curing.) (Including carriage up to initial lead of 5Km. from quarry and carriage of mixed materials up to 10.0 Km initial lead from mixing plant.)

(A) Construction of un-reinforced, dowel jointed, plain cement concrete pavement over a prepared sub base with 43 grade cement @ 400 kg per cum, coarse and fine aggregate conforming to IS 383, maximum size of coarse aggregate not exceeding 25 mm, mixed in a batching and mixing plant as per approved mixed design, transported to the site, laid with a fixed form or slip form paver, spread , compacted and finished in a continuous operation includuing provision of contraction, expansion, construction and longitudinal joints, joint filler, seperation membrane, sealent primer, sealent joint , debonding strips dowel bar, tie rod, admixured as approved, curing compopund, finishing to lines and grades as per drawing. (Including carriage up to initial lead of 5Km. from quarry and carriage of mixed materials up to 10.0 Km initial lead from mixing plant.)

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.) 40mm thick.

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.

PCC 1:3:6 in Foundation (Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days.)

Boulder apron laid in wire crates (Providing and laying of boulder apron laid in wire crates made with 4mm dia GI wire conforming to IS: 280 & IS:4826 in 100mm x 100mm mesh (weaved diagonally) including 10% extra for laps and joints laid with stone boulders weighting not less than 40Kg each.)

Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification and steel shuttering formwork A. PCC Grade M15

Plastering with cement mortar (1:3 ) on brick work in sub-structure as per Technical specifications

Painting on concrete surface (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 Sq.m. )

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.

Removal of existing cement concrete wearing coat including its disposal complete as per Technical specification without causing any detrimental effect to any part of the bridge structure and removal of dismantled material with all lifts and lead upto 1000.(Thickness 75mm.)

Removal of existing asphaltic wearing coat comprising of 50 mm thick asphaltic concrete laid over 12 mm thick mastic asphalt including disposal with all lift and lead upto 1000m.

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 lift and lead of 1000 metres. Reinforced cement concrete grade M-20 & above

Chipping of deteriorated concrete and removal of all loose & friable materials and fully exposing rusted reinforcement followed by proper cleaning and removing of rusts and other foreign materials using sand blasting/ emery cloths/ wire brush etc. including formwork as directed and specified by the department complete

Providing and inserting nipples with approved fixing compound after drilling holes for grouting as per Technical specifications including subsequent cutting/removal and sealing of the hole as necessary of nipples after completion of grouting with Cement/Epoxy.

Sealing of crack / porous concrete with Epoxy Grout by injection through nipples complete as per clause 2803.1. Epoxy Grout material from Fosroc.

Applying epoxy mortar over leached, honey combed and spalled concrete surface and exposed steel reinforcement complete as per Technical specification

Spplying and applying two coats of Nitozinc Primer a two component epoxy zinc rich primer on the properly cleaned and prepared steel bars after the required chipping and cleaning of the concrete surface as per the manufacturer‟s specifications as directed and specified by the department complete.

Providing and applying coating of the cleaned patches with two part of polymer based bonding agent Nitobond SBR of Fosroc or equivalent @ 0.22 Lit per Sqm prior to application of polymer modified mortar with brush after totally saturating the cleaned concrete surface with clean water for proper bonding of old and new concrete including formwork as specified and directed by the department complete.

Concreting of the structure with free flow nonshrink cementitious microconcrete with Rendorec RG of Fosroc or equivalent after proper mixing with cleanwater including formwork followed by proper curing for 28 days as per manufacturer's specifications complete and as directed by the Department .

Applying Nitowrap 410 saturant Fosroc Chemicals or equivalent with wet film thickness @ 250 microns (0.27Lit per sqm) over a coat of saturant epoxy primer Nitowrap 30 of Fosroc Chemicals or equivalent @ 0.11Lit per sqm with brush followed by fixing carbon fibre composite system Nitowrap EP (CF) of Fosroc Chemicals or equivalent by pressing on the saturant and impregnate the same by applying a final coat of Nitowrap 410 saturant Fosroc Chemicals or equivalent as specified and directed by the department complete including formwork.

Patching in depression of concrete surface wherever necessary by laying epoxy putty , Nitocote VF of Fosroc Chemicals or equivalent @ 1 Lit per sqm after proper surface preparation and proper scraping of concrete protrusion as specified and directed by the department complete including formwork

Applying two coats of UV resistant coating Nitocote UR 512 (FOSROC) Chemicals or equivalent over fibre system having wet film thickness of 100 micron @ 0.11Lit per sqm as specified and directed by the department complete including formwork.

Applying 2-coats of anti-carbonation - a protective coating Techguard 103 of Choksey Chemicals or equivalent @ 0.275 Lit per sqm with brush over exposed portion of the concrete structure of the bridge & other structure works etc. complete as desired to protect the reinforced concrete by preventing the process of carbonation and directed by the department including formwork.

Plastering the surface with high rich polymer modified mortar 10mm thick with cement sand mortar in prop. 1:4 mixed with 100% acrylic polymer Mastercrete M-81 of Chosey chemicals or equivalent @15% by weight of cement followed by proper curing as specified and directed by the department complete including formwork.

Replacement of Expansion Joints complete as per drawings

Providing and laying of a strip seal expansion joint catering to maximum horizontal movement upto 70 mm, complete as per approved drawings and standard specifications to be installed by the manufacturer/supplier or their authorised representative ensuring compliance to the manufacturer's instruction for installation

Providing & fixing 2 mm thick corrugated copper plate in expansion joint complete as per drawing & Technical Specification.

Providing and fixing in position 20 mm thick premoulded joint filler in expansion joint for fixed ends of simply supported spans not exceeding 10 m to cater for a horizontal movement upto 20 mm, covered with sealant 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

Mastic Asphalt Wearing course for bridges 'Providing Bituminous wearing course comprising of tack coat with bitumen emulsion CSS-1h as per APWD SOR item no 5.2 & MOSRT&H Specification Nos 503, 6mm thick mastic asphalt as per APWD SOR item no 14.5& MOSRT&H Specification Nos 515& 2702 and Asphaltic concrete of close Graded Premix Surfacing(CGPS) materials with Type -a aggregate Specification Nos 512 of total avergare thickness 69mm laid in 2 layers as per APWD SOR tem no 5.11 & MOSRT&H including all lead and lift as directed.

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

Providing and laying 12 mm thick mastic asphalt wearing course on top of deck slab excluding prime coat with paving grade bitumen meeting the requirements given in table 500-29, prepared by using mastic cooker and laid to required level and slope aftering cleaning the surface, including providing antiskid surface with bitumen pre coated fine grained hard stone shipping of 9.5mm nominal size at the rate of .005 cum per 10sqm and at approximate spaciong of 10cm center to center in both directions, pressed into surfaces when temperature of the surfaces not less than 100 degC. , protuding 1mm to 4mm over mastic surfaces, all complete as per clause 515.

'Labour for replacement of Bearings complete as per Technical Specification (Cost of bearing to be paid extra)

Lifting of superstructure by jack (Cost of bearing to be paid extra) as per approved drawing and technical specification. Cost of lifting of superstucture for span above 10 metre to 16 metre

Supplying, fitting and fixing in position true to line and level elastomeric bearing conforming to IRC: 83 (Part-II) section IX and clause 2005 of MoRTH specifications complete including all accessories as per drawing and Technical Specifications.

Greasing of Bearing with ULTRATACK AP3 grease including cleaeing of bearings with steel brush, removal of dusts and dirt with necessary scaffolding etc. complete as directed by the department.

Drainage Spouts complete as per drawing and Technical specification

Hanging Platform for repair & painting works

Extra for construction of auxilary structure above 6M height including dismentling and removal of same for lifting of super structure.

Clearing Grass and Removal of Rubbish ( clearing grasss and removal of rubbish upto a distance of 50m outside the periphery of the bridge area.)

Retro reflectorised Traffic sign: Providing and erecting of Retro-Reflectrorised cautionary, mandatory & informatory sign made of high intensity encapsulated lens type reflective sheeting as per clause 6.7.3.1 of IRC: 67-2012 fixed over aluminium sheeting of 2 mm thickness, fixed on an angle iron of 25 x 25 x 4 mm supported on a mild steel angle iron post 75mm x 75mm x 6 mm firmly fixed to the ground by means of properly design foundation with M-25 grade Cement Concrete foundation of size 45cm x 45cm x 60cm, 60cm below ground level as per approved design & drawing. (The various materials and fabrication of road signs shall conform to the requirements of Cl. 6.1 to 6.4, 6.5.1 of IRC:67-2012, Steel material shall be of Tata/Sail/or any other approved brand) 90 cm equilateral traingle (Advance cautionary curve sign)

60 cm x 50 cm rectangular (Single Chevron)

Retro reflectorised Sign Board: Providing Retro-Reflectrorised cautionary, mandatory & informatory sign as per IRC: 67 made of high intensity grade encapsulated lens type reflective sheeting conforming to ASTMD4956 B-III specifications fixed over aluminium sheeting, 2 mm thick fixed on an angle iron frame of 25x25x4mm including fabrication, painting, lettering and fixing at site etc. as per approved drawing but excluding the cost of sign post, foundation etc. 90 cm x 90 cm rectangular (Advance speed limit plate)

Retro reflectorised Traffic sign: Providing and erecting of Retro-Reflectrorised cautionary, mandatory & informatory sign made of high intensity encapsulated lens type reflective sheeting as per clause 6.7.3.1 of IRC: 67-2012 fixed over aluminium sheeting of 2 mm thickness, fixed on an angle iron of 25 x 25 x 4 mm supported on a mild steel angle iron post 75mm x 75mm x 6 mm firmly fixed to the ground by means of properly design foundation with M-25 grade Cement Concrete foundation of size 45cm x 45cm x 60cm, 60cm below ground level as per approved design & drawing. (The various materials and fabrication of road signs shall conform to the requirements of Cl. 6.1 to 6.4, 6.5.1 of IRC:67-2012, Steel material shallbe of Tata/Sail/or any other approved brand) 60 cm dia circular

60cmm x 60 cm square

90cm x 30 cm rectangular

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 MoRTH & IRC:99-2018, IRC:SP:73-2018 specifications. Multiple layer of construction (5mm or 15mm thk.) is to be achieved as per the prescription of Cl.2.3.3.4 of IRC:99-2018

Type - A, "W" : Metal Beam Crash Barrier (Providing and erecting a "W" metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 70 cm above road/ground level, fixed on ISMC series channel vertical post, 150 x 75 x 5 mm spaced 2m center to center, 1.8 m high, 1.1m below ground/road level, all steel parts and fitments to be galvanized by hot dip process, all fitting to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a spacer of channel section 150mmX75mmX5mm, 330mm long complete as per clause 810.)

Retro reflectorised Traffic sign: Providing and erecting of Retro-Reflectrorised cautionary, mandatory & informatory sign made of high intensity encapsulated lens type reflective sheeting as per clause 6.7.3.1 of IRC: 67-2012 fixed over aluminium sheeting of 2 mm thickness, fixed on an angle iron of 25 x 25 x 4 mm supported on a mild steel angle iron post 75mm x 75mm x 6 mm firmly fixed to the ground by means of properly design foundation with M-25 grade Cement Concrete foundation of size 45cm x 45cm x 60cm, 60cm below ground level as per approved design & drawing. (The various materials and fabrication of road signs shall conform to the requirements of Cl. 6.1 to 6.4, 6.5.1 of IRC:67-2012, Steel material shallbe of Tata/Sail/or any other approved brand) 60 cm dia circular

60 cm equilateral traingle

90 cm equilateral traingle

Retro reflectorised Sign Board: Providing Retro-Reflectrorised cautionary, mandatory & informatory sign as per IRC: 67 made of high intensity grade encapsulated lens type reflective sheeting conforming to ASTMD4956 B-III specifications fixed over aluminium sheeting, 2 mm thick fixed on an angle iron frame of 25x25x4mm including fabrication, painting, lettering and fixing at site etc. as per approved drawing but excluding the cost of sign post, foundation etc. 80 cm x 30 cm rectangular

Painting Lines, Dashes, Arrows etc on Roads in Two Coats on New Work (Painting lines, dashes, arrows etc on roads in two coats on new work with ready mixed road marking paint conforming to IS:164 on bituminous surface, including cleaning the surface of all dirts, dusts and other foreign matter, demarcation at site and traffic control.) ' Over 10 cm in width

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.) '(I)With Bitumen emulsion CSS-1h

Open - Graded Premix Surfacing (Providing, laying and rolling of open - graded premix surfacing of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen to required line, grade and level to serve as wearingcoarse on a previously prepared base, including mixing in a suitable plant laying and rolling with a smooth wheeled roller 8-10 T capacity to yhe reqd. level and grade. (including all lead & lift & cost of testing of materials at site and laboratory as directed by the deptt.) Without anti stripping agent Mechanical method using Penetration grade Bitumen ( 60/70 or VG-30 grade) hour

Seal Coat (Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A and B seal coats) ( including all lead & lift & cost of testing of materials at site and laboratory as directed by the deptt.) (a) Without anti stripping agent Case - I : Type A (Providing and laying liquid seal coat comprising of a layer of bituminous binder ( paving bitumen 60/70 or VG-30 grade, followed by a cover of crushed stone chipping of specified grade.

Providing fitting fixing of Solar Power operated Automatic Traffic Blinker of 300 mm dia having molded Polynicarbonate body, UV-Stabilizer / Water clear Polynicarbonate LENS, AMBER / RED color, Ultra bright LEDS Light source, Solar Panel, 12 v DC power supply charge control unit. Battery with Box, etc. fitted with a Traffic Signal Pole, fixed by means of properly designed foundation with M-15 grade cement concrete 45m x 45 cm x 90 cm, 90 cm below ground level as per approved design including all taxes and transport to site.

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 six months replacement warranty and free maintenance.

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-

Providing and fixing signflash A630 solar flashing LED unit width 630 mm. integrated control unit and battery.(warning system for pedestrian crossing) 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)

Painting Lines, Dashes, Arrows etc on Roads in Two Coats on New Work (Painting lines, dashes, arrows etc on roads in two coats on new work with ready mixed road marking paint conforming to IS:164 on bituminous surface, including cleaning the surface of all dirts, dusts and other foreign matter, demarcation at site and traffic control.) ' Over 10 cm in width

Painting Two Coats on New Concrete Surfaces Painting two coats after filling the surface with synthetic enamel paint in all shades on new plastered concrete surfaces. Over Parapet wall at road edges in KM. 323 (35 Nos.)

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)

Ordinary Kilometer stone (Precast)

M/s Sanwarmal Khetawat

M/S. M.P. AGARWALLA