Short Term Maintenance Contract STMC from Km 24.125 to Km 58.125 on NH373 pertaining to Executive Engineer National Highway Division Hassan in the State of Karnataka

BILL NO:1 ROAD MAINTENANCE (NH-373) Construction of subgrade and earthen shoulders with approved material obtained from borrow pits, transporting to site, spreading, grading to required slope and compacted to meet requirement of table No 300-2 laid in layers not exceeding 250mm thick and compacting it by mechanical means after adding water to its OMC, so as to achieve 97% compaction of maximum dry density and finish the surface to the required camber, grade and cross section etc., spreading, grading by motor grader, consolidation by roller including all lead, lifts, loading, unloading, all labour, usage charges of machinery, etc., complete. as per specifications and as per directions of Engineer-in-charge of work.

Removal of earth from the choked hill side drain and disposing it on the valley side manually, including all labour, lead, lifts, loading, unloading, transporting etc., complete. as per specifications and as per directions of Engineer-in-charge of work.

Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned upto a lead of 1000 meters including removal and disposal of top organic soil not exceeding 150 mm in thickness including all labour, hire charges, usage charges of all machineries etc., complete. as per specifications and as per directions of Engineer-in-charge of work. II. By Mechanical means using Motor Grader. A- In area of light jungle

Filling Pot-holes and Patch Repairs with Bituminous concrete, 40mm thick- Removal of all failed material, trimming of completed excavation to provide firm vertical faces, cleaning of surface, painting of tack coat on the sides and base of excavation as per clause 503, back filling the pot holes with hot bituminous material as per clause 504, compacting, trimming and finishing the surface to form a smooth continuous surface, all as per clause 3004.2, including cost of all materials, all labour, usage charges of machinery, lead, lifts, loading, unloading, stacking, transporting etc., complete. as per specifications and as per directions of Engineer-in-charge of work. Grading-II 13mm (Nominal size) (Initial Repair)

Providing and erecting "W" metal beam crash barrier comprising of 3mm 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 centre to centre, 1.8m high, 1.1m below ground/road level, all steel parts and fitments to be galvanised by hot dip process, all fittings to confirm to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with spacer of channel section 150 x 75 x 5 mm, 330 mm long complete as per Clause 811. including cost of all materials, all labour, lead, lifts, loading, unloading transporting etc., complete. as per specifications and as per directions of Engineer-in-charge of work.

Road Marking with Hot Applied Thermoplastic Compound with Reflectorising Glass Beads on Bituminous surface providing and laying of hot applied thermoplastic compound 2.5 mm thick including reflectorising glass beads at 250 gms per sqm area, thickness of 2.5mm is exclusive of surface applied glass beads as per IRC :35. The finished surface to be level, uniform and free from streaks and holes, including, barricading, traffic diversion as per IRC-35, cleaning the surface of dirt, dust and other foriegn matter, demarcation at site, traffic control, cost of all materials all labour, lead, lifts, loading, unloading transporting etc., complete. as per specifications and as per directions of Engineer-in-charge of work.

Providing and applying tack coat with VG-10 grade bitumen using pressure distributor at the rate of 0.2kg per sqm on the prepared bituminous surface cleaned with Mechanical Broom & dusting by Air compressor and spraying including cost of all materials, labour, usage charges of all machinery, lead, lift, loading, unloading, including lead for bitumen etc., complete. as per specifications and as per directions of Engineer-in-charge of work.

Providing and laying Bituminous Concrete with higher capacity batch type hot mix plant using crushed aggregates as per table 500-7 of specified grading premixed with bituminous binder VG-30 grade Paving Bitumen as per clause 504.3.1 complying with IS 73-2013 of specified grading, premixed with bituminous binder @ 5.4 percent of mix and filler @ 2% by weight of agregate, 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.507 complete in all respects including cost of all materials, all labour, usage charges of all machinery, all lead, lifts, loading, unloading, stacking, transporting, including lead for bitumen etc., complete. as per specifications and as per directions of Engineer-in-charge of work. (excluding cost of primer/ tack coat) 30-40 mm compacted thickness.

Solar Powered Road Marker (Solar Stud) Supplying of Solar Raised Pavement Markers made of polycarbonate molded body with circular shape, solar powered, LED self illumination in active mode, 360 degree illumination and reflective panels with micro prismatic lens capable of providing total internal reflection of the light entering the lens face in passive mode. The marker shall support a load of 20000kg tested in accordance to ASTM D 4280. The marker should be resistant to dust and water ingress according to IP 65 standards and should withstand temperatures in the range of 0 C to 70 C. Color of lighting could be provided in red or yellow (amber) as per requirement and typical frequency of blinking is 1 Hz. There should be current losses of less than 20 microamperes at 2.4 V in sleepcharging mode to enhance the life of the marker and a full charge should provide for a minimum autonomy of 50 hours. The height, width and length of the marker shall not be less than 10 mm x 100 mm x 100 mm. Also, the surface diameter of the marker shall not be less than 100 mm respectively. The weight of the 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, including cost of all materials all labour, lead, lifts, loading, unloading, transporting etc., complete. as per specifications and as per directions of Engineer-in-charge of work.

BILL NO:2 ROAD PROPERTY MAINTENANCE (NH-373) Maintenance of Hume Pipe Culverts: Maintenance of Hume pipe Culverts by way of Clearing, Cleaning, Erosion repair, repairs to cracks, parapet wall and protection work as per drawing and technical specification including all lead, lifts, loading, unloading, all labour, usage charges of machinery etc., complete. as per specifications and as per directions of Engineer-in-charge of work.