Special Strengthening of Nigahari-Mali-Dhavaijhar- Nayagao -Narwar road length 27.00 km.

Repair of Pot Holes, Patch Repair Providing, laying and rolling of built-up-spray grout layer over prepared base consisting of composite construction of compacted crushed coarse aggregates and key stone chips with application of bituminous binder after each layer, and with key aggregates placed on top of the final layer to serve as a Base conforming to the line, grades and cross-section specified, (number of layers of coarse aggregate shall be as per site requirement).

Repair to pot holes and removal of loose material, trimming of sides, cleaning of surface by providing tack coat with bitumen emulsion, 20 mm thick pre-mix carpet using catonic bitumen emulsion @ 21.5 kg per 10 sqm and seal coat type B with bitumen emulsion @ 10kg per 10 sqm as per technical specification and compacting with three wheeled 80-100 kN Static Roller.

Tack Coat Providing and applying tack coat with cationic bitumen emulsion using emulsion pressure distributor on the prepared bituminous/granular surface cleaned with mechanical broom and as per relevant clauses of section-503 of specifications. (i) @ 0.25 kg per sqm (normal bituminous surfaces)

(ii) @0.30 kg per sqm (dry & hungry bituminous surfaces /Granular surfaces treated with primer)

Bituminous Concrete Providing and laying bituminous concrete using crushed aggregates of specified grading, premixed with bituminous binder @ 5.4 to 5.6 % by weight of total mix of mix and filler, transporting the hot mix to work site, laying with an Electronic Sensor paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory tandem and pneumatic tyre rollers to achieve the desired compaction as per clause 507 of specification. a) Using Batch Mix Plant of appropriate capacity (v) for Grading-II (30-40 mm thickness) Bitumen Content minimum 5.4% with 60/70 bitumen (VG-30)

Road Marking with Hot Applied Thermoplastic Compound with Reflectorizing Glass Beeds on Bituminous surface. Providing and applying (Cleaning of Bituminous surface) thermoplastic compound having composition of binder (Resin) minimum 18 %, titanium dioxide minimum 10 % and intermixed glass beed, minimum 30% of brand like Asian, Burger or equivalent make of 2.5 mm thick including drop down reflectorizing, glass beeds @ 250 gms per sqm area thickness of 2.5 mm is exclusive of surface applied glass beeds as per IRC:35.The finished surface to be level, uniform and free from streaks and holes, all complete as per clause 803 of specifications. Note: - The guarantee of Thermoplastic should be minimum 3 Years.

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 (i) 5th kilometre stone (precast)

(ii) Ordinary Kilometer stone (Precast)

(iii) Hectometer stone (Precast)

Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign board as per IRC 67-2012 made of high intensity Micro-Prismatic Grade Sheeting (Type IV) vide IRC: 67:2012 clause 6.7.3.2 and clause 801.3.3 of MoRT&H fixed over IRC Accredited board made of Advance polymer composite. The board shall be of min. 2.5 mm sheet thickness with specially designed edges to make it tamper proof. Specification and High Intensity Micro Prismatic Grade Sheeting shall conform to Table 6.6 of IRC:67:2012 and Table 800-3 of MoRT&H specification of in the clause IRC 6.8 of the IRC 67-2012 and clause 801.3.7 of MORTH message legend numerical letter etc. and borders shall be screen printed on high intensity micro prismatic sheeting shall conform to ii) 90 cm equilateral triangle

x) 80 mm x 60 mm rectangular

xii) 60 cm x 45 cm rectangular

xiii) 60 cm x 60 cm square

Metal Beam Crash Barrier A 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 2 m centre to centre, however 5 spaces of 600mm each between vertical post and 5 spaces of 900mm each between vertical post will be kept adjacent to RCC parapet/ concrete crash barrier in accordance to figure 9.14 of the IRC-SP: 73-2018, 1.8 m high, 1.1 m below ground/road level, all steel parts and fitments to be galvanised by hot dip process, all fittings to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a spacer of channel section 150 x 75 x 5 mm, 330 mm

Plain/Reinforced cement concrete in sub-structure complete as per drawing and technical specifications B) PCC Grade M-20 With Batching Plant, (Pan Type or Twin Shaft type)Transit Mixer and placing with Boom placer

Direction and Place Identification signs more than 0.9 sqm size board. Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign board as per IRC 67-2012 made of high intensity Micro-Prismatic Grade Sheeting (Type IV) vide IRC:67:2012 clause 6.7.3.2 and clause 801.3.3 of MoRT&H fixed over Aluminum composite material sheet with thermoplastic core of Low density polyethylene (LDPE) between two thickskins/sheets of aluminum with overall thickness of 4mm and aluminum skin of thickness 0.3 on both side, the ACM shall conform to Table 6.1 of IRC:67:2012 and Table 800-1 of MoRT&H specification and High Intensity Micro Prismatic Grade Sheeting shall conform to Table 6.6 of IRC:67:2012 and Table 800-3 of MoRT&H specification of in the clause IRC 6.8of the IRC 67-2012 and clause 801.3.7 of MoRT&H message legend numerical letter etc. and borders shall be screen printed on high intensity micro prismatic sheeting shall conform to clause801.3.7 with digital printing ink or of cutout from transparent durable overlay or cutout from the same type of reflecting sheeting for cautionary/ mandatory/ signs, supported on MS sign post of size 100 x100 x 3mm Square Pipe of 3.60 meter over all length and fix to ground by means of properly designed foundation of dimension

Road Delineators Supplying and installation road delineators (road way indicators). as per MORT&H Clause 806. The structure shall be made in roll forming process having height of 800-900 mm above the ground level, width not less than 100 mm and shall extend not more than 200-300mm below the ground while being installed, buried or pressed in to the ground in confirmation with IRC:79: 2019, are as directed by the Engineer-in-Charge. The guide post with pure polyester powder coating with minimum 40 microns thickness for protection against corrosion, on top of which Type XI retro reflective sheeting confirming to IRC-67 and ASTMD-4956 shall be pasted on both sides complying to IRC:79:2019. The delineator should consist of minimum retro reflective unit exposed area of 330 cm2 white color, full cube corner micro prismatic non-metallic retro reflective sheeting on each side conforming with IRC 67:2022 and meeting the coefficient of retro reflection values as per ASTM D 4956 Type XI label specification. The delineator shall have grooves across the- length to make the reflective sheets vandal-proof.

Road Markers/Road Stud with Lense Reflector Providing and fixing single mound twin shanked molded Road Markers/Road Stud made of poly carbonate or ABS body and shall and complying lo specifications of Section-5 of IRC:35-2015 and clause 804.2.2 of MORT&H and Section-5 of IRC:35-2015. he reflecting panels shall consist of number of lenses containing single or dual prismatic cubes capable of providing total internal reflection of the light entering the lens face. The slope or retro-reflecting surface should be 35 + 5 degree to base. The reflective marker shall be fixed to the road surface using the epoxy/ adhesives and the procedure recommended by the manufacturer. No nails shall be used to affix the markers so Cubes capable of that they do not pose safety hazard on the road. The contractor shall submit a two-year replacement warranty. for satisfactory field performance including stipulated retro-reflectance of the reflecting panel. (Make- 3M /AVERY DENNISON/ ORAFOL / ALCOLITEA / AUTOMARK)

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. as per relevant clauses of section 300 & 2100 in (i) Depth upto 3 m

PCC M-15 in Foundation Plain cement concrete M-15 mix with crushed stone aggregate40 mm nominal size mechanically mixed, placed in foundationand compacted by vibration including curing for 14 days. as per MORT&H Specification 409.

Providing P.C.C. M-15 Nominal mix for hume pipe culverts infoundation and sub structure etc. as per drawing and as per relevant clauses of section 1500, 1700, 2100 and 2900.

Laying Reinforced Cement Concrete Pipe NP4/prestrssed concrete pipe on first class bedding in single row. Providing and Laying Reinforced cement concrete pipe NP4/prestrssed concrete pipe for culverts on first class bedding of granular material (cost of bedding included) in single row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets. A 1000 mm dia

Providing and laying Pitching on slopes laid over prepared filter media including boulder apron laid dry in front of toe of embankment complete as per drawing and Technical specifications

Supplying, fitting and placing HYSD bar reinforcement in substructure complete as per drawing and technical specifications vand as per relevant clause of section 1600.

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