NHIDCL/RO-Agt/T/STMC/C- P/Tenders/24-25/1509

Clearing and Grubbing Road Land Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, saplings and trees of girth upto 300 mm, removal of stumps of such trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per MoRT&H Technical Specification clause 201. (I) By Manaual Means

Surface Drains in Ordinary Soil Construction of unlined surface drains of average cross sectional area 0.4 sqm in ordinary soil to specified lines, grades, levels and dimensions as per MoRT&H Technical Specification clauses of section 300. Excavated material to be used in embankment with a lift upto 3 m and lead of 50 m (average lead 25 m). (A) Mechanical Means

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 finisher in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density as per MoRT&H Technical Specification Clause 406.

Dense Graded Bituminous Macadam Providing and laying dense graded bituminous macadam with 100-120 TPH batch type HMP producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 4.0 to 4.5 per cent by weight of total 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 MoRT&H specification clause No. 505 complete in all respects. Grading II (With Viscosity Graded Bitumen of VG-40)

Prime Coat Providing and applying primer coat with bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.6 kg/sqm using mechanical means as per MoRT&H Technical Specification Clause 502.

Tack Coat Providing and applying tack coat with bitumen emulsion (RS-1) using emulsion pressure distributor at the rate of 0.20 kg per sqm on the prepared bituminous / granular surface cleaned with Hydraulic broom as per MoRT&H Technical Specification Clause 503.

Bituminous Concrete B. Providing and laying bituminous concrete with higher capacity batch type hot mix plant using crushed aggregates of specified grading, premixed with bituminous binder @ 5.40 Percent 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. Grading II (With Viscosity Graded Bitumen of VG-40)

Road marking Road marking strips (retro-reflective) of specified shade/ colour using Hot Applied Thermoplastic material with Reflectorising Glass Beads on Bituminous Surface. Providing and applying 2.5 mm thick thick road marking strips (retro-reflective) of specified shade/ colour using hot thermoplastic material including reflectorising glass beads @ 250 gms per sqm area by fully/ semi automatic thermoplastic paint applicator machine fitted with profile shoe, glass beads dispenser, propane tank heater and profile shoe heater including cost of cleaning the road surface of all dirt, seals, oil, grease and foreign material etc, 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 as per MoRT&H Technical Specification Clause 803.

Underground Drain at Edge of Pavement Construction of an underground drain 1 m x 1 m (inside dimensions) lined with RCC M-20, 100 mm thick and covered with RCC slab 100 mm in thickness on urban roads as per MoRT&H Technical Specification.

Road Markers/Road Stud with Lense Reflector Providing and fixing of road stud 100 x 100 mm, die-cast in aluminium, resistant to corrosive effect of salt and grit, fitted with lense reflectors, installed in concrete or asphaltic surface by drilling hole 30 mm upto a depth of 60 mm and bedded in a suitable bituminous grout or epoxy mortar, all as per BS 873 part 4:1973.