Operation and Maintenance including Incident Management for One Year from Km 193/813 to Km 287 /706 of Ulundurpet - Padalur Section of NH- 38 (Old NH-45) in the State of Tamil Nadu on Item Rate Basis

Ordinary Repair Works

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. (As per MoRT&H Specification Caluse 503)

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 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 clause No. 509 complete in all respects. After deducting the salvage value of milled materials.

Road Maintenance

Carrying out proper cleaning, and removing ot dust/sitt/thrash/plastic/rubbish/garbage/waste from the Main carriage way, Service Roads, Bus bay, Bus shelter, Junction & All Median openings foothpaths, at entire length in every month as directed by the engineer and as per road maintanence Standard clause no. 6.1.21, 6.2, 6.3,6.4 of IRC-SP 95-2011. verges (excluding the verges of central median) by mechanical brooms (truck mounted road sweeper) established with vehicle tracking system and manually if required and as directed by the Engineer-in- charge and disposing of the waste material at a suitable place outside ROW. The payment will be made as per the report of vehicle tracking system indicating the location and kilometers traveiled and number of passes on that stretch covering the full kilometer. The cieaning includes full width of both sides of carriageway and service road, if any and confirming to 6.10 of Scope of work of Section-6 and as directed by the Engineer-in- charge. The payment will be deducted proportionately as per the report of VTS.

Clearing slab/box type culverts and pipe culverts including clearing, cleaning and reshaping of upstream and downstream faces of those culverts with in the ROW. The Job includes disposal of excess material recovered site including vegetation outside ROW with all leads and lifts complete in all respect as per direction of Engineer in charge and as per road maintenance Standard clause no.6.5 & 6.6 of SP 95-2011 and Payment will be made after confirming the clear vent throughout the length of structure. (Frequency of cleaning will be twice in a year i.e. before and after monsoon)

Major and Minor Bridges

Slab/Box type culverts/Pipe culvert

Removal of rank vegetation/weeds and undesirable vegetation from shoulders, embankment slopes upto ROW (both sides) and keep cleaning at available entire length etc., complete in all respect including tree pruning, breaking of clods, rough dressing and disposal of waste material and vegtation at a place outside ROW as per direction of Engineer in charge and as per road maintanence Standard clause no. 6.14 of IRC-SP 95-2011. 5000 Sqm/ km is asumed and median for a length of 0.4 Km, the payment will be released as per prorata of assumed quantity.

Maintenance of Toilet Block: Maintenance of the Toilet Building in the Project Section by providing scavenger cum security 24x7 for daily cleaning, sweeping, washing, and sanitation work to maintain the toilet premises in a neat, hygienic, and serviceable condition. The scope shall include supply of all cleaning materials and consumables such as toilet cleaners, disinfectants, phenyl, bleaching powder, acid, tissue rolls, garbage bags, brushes, mops, gloves, buckets, mugs, and other necessary items required for routine maintenance. The work also includes ensuring uninterrupted 24x7 water supply and carrying out periodic septic tank cleaning (whenever required). Further, the item includes replacement/repair of damaged components such as flush units, closets, taps, valves, pipelines, doors, ventilators, electrical fittings, and other allied accessories as required for proper functioning of the toilet block. The rate shall be inclusive of all labour, materials, consumables, tools and tackles, transportation, incidental charges, and all other expenses required for complete maintenance of one toilet block and as per the directions of the Engineer. The toilet block, both interior and exterior, shall be painted every six months. The electricity consumption charges shall be reimbursed by the authority as per the actuals.

Traffic Safety Items

Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per clause 801 of MoRTH Specifications for Roads & Bridge Works and IRC : 67 (2022) made of class -C Micro Prismatic Grade Sheeting of Type XI retro reflective sheeting. The retro - reflective sheeting shall have manufacturer logo, watermark and lot number on the sheet. A QR (Bar) code shall also be placed on the backside of the sign board with an indelible ink. For signs above 600mm size, retro reflective sheet shall be fixed over 2 mm thick aluminium sheeting vide or 4mm thick Aluminium composite material sheet vide clause 801 of MoRTH Specifications for Roads &Brdige Works.For signs above 600mm sizes, sign shall be fixed over back support frame of minimum 35 x 35x 3 mm angle Frame. For signs above 600mm size, Signs shall be supported on GI circular pipe 80 NB, 3.2 mm thickness confirming to IS 1239. Retro-Reflective sheet shall be fixed on Substrate with Pressure Sensitive Adhesive. The Substrate shall be firmly riveted on Angle Frame @ 200mm spacing with Aluminium Pop rivets using Pneumatic Guns. The Angle frame shall be firmly fixed with high strength bolts, washers nuts conforming to IS1364 and IS 1367 on Sign Support Pole. Sign Supports shall be firmly fixed to the ground by means of properly designed foundation with M 25 grade cement concrete 45 cm x 45 cm x 60, 60 cm below ground level as per approved drawling. All Components of signs and supports including Angle Frame, Bolts, Nuts,Washers, etc. other than the reflective portion shall be galvanized by hot dip process (Zinc coated, 0.55 kg/sqm; minimum single spot) unless otherwise specified. All galvanizing shall be done after fabrication. Alternate white and yellow bands measuring 50 mm long retro-reflective sheeting shall be pasted around GI posts which help in ensuring the visibility/Presence of poles during night time even if the sign boards are stolen or totally vandalized.Minimum four bands of such retro-reflective sheeting shall be pasted starting from a height of 0.5 m above the finish road level. The messages (legends,letters,numerals,etc.) and borders as per clause 6.8 of IRC 67 shall be digitally printed. Finished Signs shall have an Ultra Violet (UV) protective clear overlay applied to the entire face of the signs supplied by reflective sheet manufacturer. The agency shall submit 10 years warranty for satisfactory field performance for type XI retro reflective sheeting from the retro-reflective sheet manufacturer confirming to clause 6.7 & 6.9 of IRC 67. Agency shall submit a certified copy of test reports from an Government laboratory/Institute conforming to clause 6.7 & 6.9 of IRC 67 including 3 years accelerated outdoor weathering for the retro reflective sheeting. The Agency shall submit the sign convertor (manufacturer) name with details of essential equipment available with convertor in his fabrication shop such as digital printer, cutter, plotter, laminator, Galvanizing plant, etc. The Agency shall submit road sign installation drawing in 'Kmz' file for approval before installation and after installation submit geo-tagging of all road signs with its installation photos and date of installation and other details as mentioned in IRC 67 annexure VII, complete in all respects. The sign supports and its foundation details are indicative. These may be increased for areas having higher wind velocities like in coastal areas. This is applicable to all road signs and directions boards.

Providing and fixing of retro-reflectorised direction and place identification sign as per clause 801 of MoRTH Specifications for Roads &Bridge Works (5th Revision) and IRC : 67 made of class -C Micro Prismatic Grade Sheeting of Type XI retro reflective sheeting. The retro - reflective sheeting shall have manufacturer logo, watermark and lot number on the sheet. A QR (Bar) code shall also be placed on the backside of the sign board with an indelible ink. Retro reflective sheet shall be fixed over 2 mm thick aluminium sheeting or 4mm thick Aluminium composite material sheet vide clause 801 of MoRTH Specifications for Roads &Bridge Works. The sign shall be fixed over existing back support frame. Retro-reflective sheet shall be fixed on substrate with Pressure Adhesive. The substrate shall be firmly riveted on angle frame @200mm spacing with aluminium pop rivets using Pneumatic guns. The Angle frame shall be firmly fixed with high strength Bolts, washers & nuts conforming to IS1364 and IS 1367 on Sign Support Pole. Signs shall be supported on two or more GI circular pipe 80 NB, 3.2 mm thickness confirming to IS 1239. Adequate bracing shall be provided to hold firmly GI support pipes. The sign supports shall be firmly fixed to the ground by means of properly designed foundation with M 25 grade cement concrete 45 cm x 45 cm x 60, 60 cm below ground level as per approved drawling. All Components of signs and supports including angle frame, bolts, nuts, washers, etc., other than the reflective portion shall be galvanized by hot dip process (Zinc coated, 0.55 kg/sqm; minimum single spot) unless otherwise specified. All galvanizing shall be done after fabrication. Alternate white and yellow bands measuring 50 mm long retro-reflective sheeting shall be pasted around GI posts which help in ensuring the visibility/Presence of poles during night time even if the sign boards are stolen or totally vandalized. Minimum four bands of such retro-reflective sheeting shall be pasted starting from a height of 0.5 m above the finish road level. The messages (legends,letters,numerals,etc.) and borders shall be digitally printed confirming to clause 6.8 of IRC 67. Finished Signs shall have an Ultra Violet (UV) protective clear overlay applied to the entire face of the signs supplied by reflective sheet manufacturer. The agency shall submit 10 years warranty for satisfactory field performance for type XI retro reflective sheeting from the manufacturer conforming to clause 6.7 & 6.9 of IRC 67. Agency shall submit a certified copy of test reports from Government laboratory/Institute conforming to clause 6.7 & 6.9 of IRC 67 including 3 years accelerated outdoor weathering for the retro reflective sheeting. The Agency shall submit the sign convertor (manufacturer) name with essential equipment in his fabrication shop such as digital printer, cutter, plotter, laminator, Galvanizing plant etc. The Agency shall submit road sign installation drawing in 'Kmz' file for approval before installation and after installation submit geo-tagging of all road signs with its installation photos and date of installation and other details as mentioned in IRC 67 annexure VII, complete in all respects. The sign supports and its foundation details are indicative. These may be increased for areas having higher wind velocities like in coastal areas. This is applicable to all road signs and directions boards..(as per MORT&H Specification No.801). The existing sign facia (removed)will be the property of the Contractor.

Supplying and Installation of delineators (road way indicators, hazard markers, object markers) confirming to IRC 79, 80 to 90 cm high above ground level with about 200 to 300mm base which can be anchored on to the ground.The delineator shall have an ellipsoidal or circular shape made of mild steel with pure polyester powder coating with minimum thickness of powder coating of not less than 40 micron. The delineator shall have minimum three reflective sheeting bands of 150mm height confirming to Type XI sheeting specifications as per IRC 67

Supplying and erecting red /yellow unbreakable polycarbonate body Solar Blinker 300mm dia. LED lamp confirming to IRC:93 and IS:7537. It shall have Light Emitting Diode (LED) — Hi Bright technology (Compliant to EN12368 or equivalent BIS standard). The Signal Switching shall be Solid State, with Opto-isolation. The Automatic operation mode shall have functional flashing rate available at 50% Duty Cycle - 50 or 60 Flashes/minutes. The Electrical Power Supply shall be solar based 12 VDC operating at Ambient Temperature 0° to 55°C. The solar power system shall have in-built charge Controller - Low/High cut out, Solar SPV Module — 60 Watts, Maintenance Free Battery (60AH) (having back up for operating blinker for 72 Hrs in absence of Sun or during rainy or foggy days. The Solar System shall be housed in a weatherproof pole mounting cabinet with clamp and mounting accessories. The Solar Blinker shall be supported on GI circular pipe 80 NB, 3.2 mm thickness confirming to IS 1239, 3m above the Finish Road level. GI circular pipe shall be firmly fixed to the ground by means of properly designed foundation with M 25 grade cement concrete 45 cm x 45 cm x 60, 60 cm below ground level as per approved drawing. Alternate white and yellow bands (Minimum four bands) of Type XI retro-reflective sheeting shall be pasted @ 0.5m c/c starting from a height of 0.5 m above the finish road level. . The warranty so provided by supplier will be in the name of NHAI

Solar Powered Road marker (Solar Stud): Supplying and installation of Solar Raised Pavement Markers made of polycarbonate moulded bodywith circular shape, solar powered, LED self-illumination in active mode,360 degree illumination and reflective panels with micro prismatic lenscapable of providing total internal reflection of the light entering the lens face in passive mode. The marker shall support a load of 20000 kg tested in accordance to ASTM D 4280. Its water resistance shall meet the requirements of IP 65 in accordance with IS:12063:1987 Category 2 for protection against water ingress. Colour of lighting could be provided in red or yellow (amber) or green or blue or combination as per requirement. It shall have super bright LEDs so as to provide long visibility from a distance of more than 800 m. Its flashing rate shall not be less than 1 Hz. It should be able to give the prescribed performance in the temperature range of -40°C to +55°C. Its life shall be not less than 3 years. The full charge should provide for a minimum autonomy of 50 hours operation. The height, width and length of the marker shall not be less than 10mm x 100mm x 100mm. Also the surface diameter of the marker shall not be less than 100mm respectively. The weight of marker shall not exceed 0.5 kilograms. Fixing will be by drilling holes on the road for the shanks to go inside, without nails and using epoxy resin based adhesive and complete as directed by the Engineer

Providing and erecting Single sided Guard Metal Beam Crash Barrier system 1.80m high, comprising of 3mm thick wall "W" beams posts and spacer channels shall be made by cold roll forming using HR conform to IS 5986 Fe 410/360 and dip glavanized having Zinc Mass of 550gms/ sqm, minimum 95mm above road / ground level fixed on ISMC series channel vertical post 150X75X5mm spaced 2m center to center 312mmX83mm flange width X 3mm thick,4318mm long post directly embedded in the concrete (M15) pit size 350X350X800mm for a depth of 750mm below ground. All fixing bolts and nuts hot dip glavanized conforming to IS:1367 clause 4.60 all complete as per Technical specification and as directed by the Engineer- in-charge.

Providing fixing of Median marker double sided made of polycarbonate for impact resistance and good weather ability. Polycarbonate used for molding the median marker shall have a minimum Izod impact strength value of 600 J/m at room temperature. The impact strength of the poly carbonate should not decrease to less than 70% of its initial value on being subjected to UV weathering as per ASTM G 155 for 1000 hours or exposure to 2 years of natural weathering. The body of the median marker shall be in the form of an isosceles trapezoidal structure of length 15 cm height and width of 10 x 10 cm. The median marker shall have fluorescent yellow retro - reflective sheeting confirming to Tpe XI specifications as per ASTM D 4 956.Area of reflective sheeting should not be less than 70 cm2 .Edge of retro reflective shall be concealed using a grillJ mesh/ similar mechanism to prevent vandalism and sheeting pilferage. The logo of the manufacturer shall be embossed and painted in contrasting colour on both side of median marker for distinct identification.

Providing and Laying hot applied thermoplastic road marking strip on Bituminous Surface of specified shade/ colour of 2.5 mm thick including Type 1 beads (Refer MoRTH Specification Clause803.4.2) which are a constituent of the basic thermoplastic compound vide Table 800-9 (MoRTH Specification) and Type 2 beads are those which are to be sprayed on the surface vide Clause 803.6.4 (MoRTH Specification). The glass beads shall have a minimum reflectivity index of 1.5. The glass bead shall be @ 250gm/sqm. The thermoplastic road marking material thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC 35. Pavement Marking Performance such as Day/Night visibility, Dry/Wet visibility and skid resistance shall be confirming to clause 15.5 of IRC 35. The finished surface to be level, uniform, and free from streaks and holes complete as per direction of Engineer-incharge and in accordance with applicable specifications.(Refer MORTH Clause 803 for technical Specification and Performance for IRC 35:2015). Recommended Use of specialized Road Marking Primer, based on surface conditions.

Studs: Providing and fixing of Reflective Pavement Markers (RRPM), i.e. road studs shall be prismatic retro-reflective type conforming to ASTM D-4280. The Plastic body of RPM/road stud shall be moulded from ASA (Acrylic Styrene Acrylonitrite) or HIPS (Hi-impact Polystyrene) or Acrylonitrile Butadiene Styrene (ABS). The marker height shall not be less than 10mm and shall not exceed 20mm and its width shall not exceed 130mm. The markers shall support a load of 13,635 kg tested in accordance with ASTM D 4280. The Reflective 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. Lenses shall be moulded of methyl methecrylate conforming to ASTM D 788 or equivalent. The optical performance of road studs shall be confirming to clause 804.4 of MoRTH specificationsMORT&H specification 804 etc., complete.

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 by Mechanical Means upto 3 m of Depth.

Providing and laying of Plain Cement Concrete M15 for foundation using granite/trap/basalt aggregates 40mm and down size and clean sieved approved sand in foundation including mixing mechanically, laid in layers not exceeding 15cms thick,vibrating, compacting including formwork, centering, cost of all materials, labour, hire charges of machinery, lead,lift. loading unloading, stacking charges, curing, finishing the exposed faces in CM 1:4 etc.,complete except lead for cement.

Providing and laying of Plain Cement Concrete for foundation using granite/trap/basalt aggregates and down size and clean sieved approved sand in foundation including mixing mechanically, laid in layers not exceeding 15 cms thick,vibrating, compacting including formwork, centering, cost of all materials, labour, hire charges of machinery, lead,lift. loading unloading, stacking charges, curing, finishing the exposed faces in CM 1:4 etc.,complete except lead for cement.

Providing and erecting, 5mm thick anti-glare screen of PPCP/HDPE material. The anti glare shall be rectangular vane of 220-230 mm wide and 900mm ht. The screen shall have minimum one yellow reflective sheeting band on both sides of sheet. The reflective band shall be 150mm ht and confirming to type XI sheeting specifications as per IRC 67

Providing and fixing of retro-reflectorised stickers as per clause 801 of MoRTH Specifications for Roads & Bridge Works and IRC: 67 (2022) made of class -C Micro Prismatic Grade Sheeting of Type XI retro reflective sheeting. The sticker shall have NHAI Logo digitally printed with colour specification confirming to Sl no. 5.2 of NHAI Policy Circular 4.37/2025 dated 11th Nov 2025. Finished Signs shall have an Ultra Violet (UV) protective clear overlay applied to the entire face of the sticker supplied by reflective sheet manufacturer. Retro-Reflective sticker shall be fixed on alternate barrier posts with pressure sensitive adhesive. Sticker fixing shall be done after wiping the surface with a clean cloth soaked in isopropyl alcohol (IPA) or mild detergent, Remove all dust/ oil / grease /rust and moisture and allow surface to dry completely. If required use a heat gun or blower to dry surface if ambient humidity is high. Fix sticker on the prepared surface by removing the sticker liner slowly to avoid curling or contamination, preposition the sticker to ensure correct orientation and alignment, fix the sticker gently, use a felt-edge squeegee hammer or roller to apply uniform pressure from centre to outward, ensure no air bubbles or wrinkles remain, apply pressure across the entire surface to fix sticker firmly. The agency shall submit 10 years warranty for satisfactory field performance for type XI retro reflective sheeting from the retroreflective sheet manufacturer confirming to clause 6.7 & 6.9 of IRC 67. Agency shall submit a certified copy of test reports from a Government laboratory/Institute conforming to clause 6.7 & 6.9 of IRC 67 including 3 years accelerated outdoor weathering for the retro reflective sheeting. The Agency shall submit the sign convertor (manufacturer) name with details of essential equipment available with convertor in his fabrication shop such as digital printer, cutter, plotter, laminator, etc.

Sticker size 100 mm x 70 mm on Metal Beam Barrier Post, Antiglare Screen (more than 300mm wide), at 250mm height above finished ground level and on FOB Sill Level etc.

Sticker size 50 mm x 35 mm on Metal Beam Barrier Post, Antiglare Screen (up to 300 mm wide), PGR, etc. at 250mm above finished ground level.

Providing and erecting of 7m hot-dip galvanized Octagonal Pole confirm to with BSEN-10025 grade steel plate for shaft, IS 2062 for base plate with door opening arrangement, suitable to withstand the wind speed of 180 KMPH for 7 mtrs height Pole having dimensions Bottom 0130 mm, Top 70 mm with 3mm thick, base plate 300 x 300 x 16mm confirming to IS Specification and as directed by Engineer In charge & pole drawing. The pole shall be supplied and erected with 0-1.5 mtrs with 0-15 degree tilt Single bracket complete with arm all accessories with MS galvanized (as per IS 4759:1996 / IS 2629:1985.) 55/60mm dia Pipe with 2/3mm thick. The pole shall be fitted with equivalent to 120W LED AIO Solar Street Light, with prescribed lumens of illumination with LM 6 pressure die-cast aluminium housing. The luminaire shall be with dedicated street lighting unique peanut optic lens to ensure a minimum lux level of 40 LUX with uniformity as per IS1944 high spacing from pole to pole and cut-off type. The driver shall be of electronic type suitable for on/off. Driver should have inbuilt surge protection of Min 4KV and External SPD 20KV/10KA. THD <10%, power factor >0.95. (Preferably suitable (VFD), LM79, LM80 & Type test certificate from NABL laboratory to of ensure the compliance. As per IS 15885 (Part 2/ Sec 13): 2012, the luminaire shall be used with high power LEDs delivering system lumen output more than 40000 lumens with CCT of 5700K +/-355K. A to be design report using dialux calculux software confirming to Minimum 40 Lux as per IRC: SP: 84-2019 to be used. And all Wireing from the source point and all acessories automatic switch on/off battery inbuild duty cycle 12 hrs working each night, including foundation work/Fixing in parapet wall. The price includes of the necessary wiring and accessories required.

High Mast Light 20 m high hot dip galvanised mast suitable to mount 8 No in assymmetrical type mounting along with high-quality integrated 300W LED Sports Luminaire light with a minimum system lumen of 40000 Lm and luminaire should have medium Asymmetric and symmetric optics. The housing should be of non-corrosive high-pressure die-cast aluminium to withstand extreme environments. Confirming to Minimum 40 Lux as per IRC 4 lane manual designed as per IS:875 (Part 3) -1978, fitted with a base flange, door at the base of mast with heavy duty Intenal lock, fantern carriage, suitable winching arrangement with Motor for lifting of Light fixing, Timer switch for ON/OFF, Cost includes foundation of PCC M15 grade & RCC M20 grade as per the drawings, errection and transportation including supply and laying of reqired cable for getting electrical connection from TNEB. Electricity Charges will be paid by NHAI

Incident Management

Patrolling by Route patrol vehicle as per IRC:SP:84-2014, Clause 12.8 and as per other applicable clause in agreement. The patrol shall promptly clear the road of any obstruction. Where the obstruction take time to be cleared, the section shall be cordoned off by placing traffic cones, it shall be illuminated during night. Also removing the dead animals from highway. It shall also be fitted with GPS based vehicle tracking system to monitor its movement on 24 hrs X 7 days of a week basis for 1 vehicle. Also Supply of colour photographs in three copies and two Pendrives (video) complete as per Technical specification Clause 125 & Supply of videos (in Pendrives) in three copies including videography of complete stretch at three stages in O&M period complete as per NHAI/Policy Guidlines/Road Safty/2024 Policy Circular No.12.36/2024, dated 12.12.2024

TOW away vehicle: Removing all types of broken down/vehicles which have met with accidents from the carriageway amd toeing the same to proper locations i.e nearest police stations or some suitable location by using 20 tonne or of more capacity pick and carry crane, as per IRC :SP:84-2014, Clause 12.9 and as per other applicable clause agreement. It shall also be filed GPS based vehicle tracking system to monitor its movement on 24 hrs X 7 days of a week basis for 1 vehicle. Also Supply of colour photographs in three copies and two Pendrives (video) complete as per Clause 6.8.3 of Performance standards & Supply of videos (in Pendrive) in three copies including videography of complete stretch at three stages in O&M period as per NHAI/Policy Guidlines/Road Safty/2024 Poicy Circular No.12.36/2024, dated 12.12.2024

Misc. Works

Providing additional Mazdoors as per site requirements

Providing additional man-hours for the Back-Hoe-Loaders as per site requirements