National Highways And Infrastructure Development Corporation Limited Tender

Selected fill behind reinforced earth as per Drawing & technical Specification - Sandy Material

Providing and laying of Needle Punched and mechanically bonded non-woven Geotextile indigenously manufactured from high quality fibers on the prepared subgrade for Seperation 120 GSM

Gabian Structure for Erosion Control, River Training Works and Protection works: Providing and constructing gabian structures for erosion control, river training works and protection works with wire crates of size 2 m x 1 m x 0.3 m each divided into 1m compartments by cross netting, made from 4 mm galvanised steel wire @ 32 kg per 10 sqm having minimum tensile strength of 300 Mpa conforming to IS:280 and galvanizing coating conforming to IS:4826, woven into mesh with double twist, mesh size not exceeding 100 mm x 100 mm, filled with boulders with least dimension of 200 mm, all loose ends to be securely tied with 4 mm galvanised steel wire.

Gabian Structure for Erosion Control, River Training Works and Protection works: Providing and constructing gabian structures for erosion control, river training works and protection works with wire crates of size 2 m x 1 m x 0.3 m each divided into 1m compartments by cross netting, made from 4 mm galvanised steel wire @ 32 kg per 10 sqm having minimum tensile strength of 300 Mpa conforming to IS:280 and galvanizing coating conforming to IS:4826, woven into mesh with double twist, mesh size not exceeding 100 mm x 100 mm, filled with boulders with least dimension of 200 mm, all loose ends to be securely tied with 4 mm galvanised steel wire. Toe Protection for Gabion -SACK GABION: Mild steel wire coated with Zinc or Zinc alloy), 2mx0.96m (NA) Sack Gabion, filled with Boulders and placed at specified location anchored each other as per specifications.

Supplying &laying of drainage composite for use behind walls, between two different fills,alongside drains of road,below concreteining of canals etc. Geocomposite for planar drainage, realized by thermobonding a draining core in extruded monofilaments with two filtering nonwoven geotextiles that may also be working as separation or protecting layers.The draining three dimensional core will have a "'W" configuration as longtudinal parallel channels. Minimum thickness to be 7.2 mm. with two filtering W stabilized polypropylene nonwoven geotextile of minimum thickness of 0.75 mm charecteristic opening size (090) of 110 micron and tensile strength of 8.0 kN/m that will be working as separation or protecting layer,geocomposite having in plane flow capacity oi 2.1 L I (m.s) at hydraulic grad ent of 1.0 & 20 kPa pressure and tensile strength of 18 kN/m .with mass per unit area of 740 gsm, suppied inthe form of roll for easy transportation to site of work as per detailed specification all compete as per directions of Engineer in charge.

Supplying and laying high strength flexible geogrids (HSFG) as soil reinforcement / basal reinforcement as per MORTH 3100 and IRC 113, made of high tenacity polyester core with polyethylene coating with Minimum Long Term Design Strength (LTDS) of more than 50% of ultimate tensile strength at 30 degree Celcius corresponding to 12 % strain. (UG-300)

Supplying and laying high strength flexible geogrids (HSFG) as soil reinforcement / basal reinforcement as per MORTH 3100 and IRC 113, made of high tenacity polyester core with polyethylene coating with Minimum Long Term Design Strength (LTDS) of more than 50% of ultimate tensile strength at 30 degree Celcius corresponding to 12 % strain. (UG-200)

Perforated PVC Pipe 100 mm internal dia. (Class 3), Working pressure: 6 kgf/cm² Conforming to IS 4985:2000 Spacing @10m c/c along the RS wall

Providing & laying cement concrete of mix (1:1.5:3) with 20mm down chips for laying of parapet

Providing & laying cement concrete of mix (1:1:2) with 20mm down chips for laying along shoulder

Hill side drain with cement concrete of mix (1:1.5:3) with 20mm down chips

Construction of granular sub-base by providing close graded Material conforming to specifications, mixing in a mechanical mix plant at OMC, carriage of mixed material by tippers to work site, for all leads & lifts, spreading in uniform layers of specified thickness with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per specifications and directions of Engineer­ in-Charge.

Providing, laying, spreading and compacting graded stone aggregate (size range 53 mm to 0.075 mm ) to wet mix macadam (WMM) specification including premixing the material with water at OMC in mechanical mix plant, carriage of mixed material by tipper to site, for all leads & lifts, laying in uniform layers with mechanical paver finisher in sub- base / base course on well prepared surface and compacting with vibratory roller of 8 to 10 tonne capacity to achieve the desired density, complete as per specifications and directions of Engineer-in-Charge.

Prime Coat over WMM: emulsion on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.70 kg/sum using mechanical means.

Providing and laying Dense Graded Bituminous Macadam using crushed stone aggregates of specified grading, premixed with bituminous binder and filler, transporting the hot mix to work site by tippers, laying with paver finisher equiped with electronic sensor to the required grade, level and alignment and rolling with smooth wheeled, vibratory and tandem rollers as per specifications to achieve the desired compaction and density, complete as per specificatons and directions of Engineer-in-Charge. (50 to 100 mm average compacted thickness with bitumen of grade VG-30 @ 5% (percentage by weight of total mix) and lime filler @ 2% (percentage by weight of Aggregate) prepared in Drum Type Hot Mix Plant of 60-90 TPH capacity)

Tack coat: emulsion pressure distributor at the rate of 0.20 kg per sum on the prepared bituminous surface cleaned with mechanical broom.

Bitumenous Concrete grade I: batch type hot mix plant using crushed aggregates of specified grading, premixed with bituminous binder @ 5.2 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. 507 complete in all respects.

V drain with cement concrete of mix (1:1.5:3) with 20mm down chips

PCC on Cascade for Drain

Boulder Pithing For Slope Protection - Cascading works for Culvert

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 @ 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.

Road Studs: polycarbonate molded body with circular shape solar powered LED self illuminating in active mode, 360 degree illumination and reflective panels with micro prismatic lens capable of providing total internal reflection of the lightb entering the lens face in passive mode. The marker shall support a load of 20000kg tested in ccordance to ASTM D 4280. The marker body should be resistant to dust and water ingress according to IP65 standardsand should withstand temperatures in the range of 0 C to 70 C. Colour 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 sleep charging 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 10mm x 100mm x 100mm. Also the surface diameter of the marker shall not be less than 100mm respectively. The weight of the marker shall not exceed 0.5 Kg. 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 per directed by the engineer

Provision of a Reinforced Cement concrete crash barrier at the edges of the road, approaches to bridge structures and medians, constructed with RCC with Fibre steel and as per details given in IRC-119 (Fig:26) including dowel bars 25mm dia, 45omm long at expansion joints filled with premoulded 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)

Retro- reflectorised Traffic signs (Providing and fixing of retro- reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of capsulated lens type reflective sheeting vide clause 801.3, fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing) 90 cm equilateral triangle