Strengthening and Widening of Ummedpur-Harji-Jawal Gole- Posaliya-Sheoganj-Bera Road (MDR-277) km.48/0 to 76/0 (Job No.CRIF/1086/RJ/2023-24)

Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth upto 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material upto a lead of 1000m including removal and disposal of top organic soil not exceeding in 150 mm thickness as per MORTH specification clause 201 By mechanical Means . A. In area of light jungle

Dismantling of flexible pavements and disposal of dismantled materials upto a lead of 1000 metres, stacking serviceable and unserviceable materials separately as per MORTH specification clause 202.By Mechanical Means :Bituminous courses

Excavation for roadwork in soil with hydraulic excavator of 0.9 cum bucket capacity including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross-sections, and transporting to the embankment location with a lift upto 1.5 m and lead upto 1000 m as per Technical Specification Clause 301

Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301

Providing laying, spreading and compacting specified graded crushed stone in sub-base course including premixing the material at OMC in wet mix plant, carriage of mixed material, laying in uniform layers with motor grader, F.E.loader on a prepared surface and compacting with vibratory compactor to achieve the desired density including all material, labour, mach-nery, lighting barricading and maintenance of diversion complete.[MoRTH specification Clause 401] . For Grading II Material

Providing and laying granular sub-base material having P.I.not more than 6, including spreading in layers not exceeding 150 mm compacted thickness and consolidation by 8-10 tonne power roller to required camber and grade including cost of water and hire charges of machinery, including T&P with all lead (Compacted thickness to be measured).as per MORTH specification table 400-1, 400-2 :For grading-III with CBR value not less than 20.to attain 100% proctor density.

Providing, laying, spreading and compacting stone aggregate of as per table 400-12 and 400-13 Wet Mix Macadam specification including premixing the material with water to OMC inwet mix plant as per approved design mix, carriage of mixed material by Tipper to site laying in uniform layers with motor grader/F.E.Loader/paver finisher, in sub base/ base course on a well prepared under base and compacting with vibrotry roller to achieve the desired density including lighting, guarding, barricading and maintance of diversion etc. (MoRTH specification : Clause 406) by mechanical mean with lead up to 20 Km.

Providing and applying primer coat over prepared surface or granular base with bitumen emulsion as per IS: 8887 & manufacturer’s specifications @ 8.5 kg /10 sqm with a self propelled of towed bitumen pressure sprayer equipped for spraying the material uniformly at specified rates and temperatures as per MORTH specification CI 502, 501.5.2,112 ( Including cleaning of road surface )

Providing and applying tack coat on the prepared surface ,with bitumen emulsion as per IS : 8887 & manufacturer’s specifications @ 2.75 kg /10sqm. With a self propelled or towed bitumen pressure sprayer equipped for spraying the material uniformly at specified rates and temperatures as per MORTH specification CI.503, 501.5.2,112 ( Including cleaning of Road Surface)

Providing and laying Dense Bituminous Macadam on prepared surface with specified graded crushed aggregates as per table 510 and design mix for base/binder course including loading of material with F.E loader heating of binder aggregate and filler in approved hot mix plant as per clause 6.5 of manual transporting the mixed material by tippers and laying with sansor paver finisher as per clause 507.3.5 to the required level and grade rolling by self propelled power rollers and vibratory rollers or pneumatic tyred roller 50-250KN. TP=0.7MPa to achieve the desired density (approved by the department) but excluding cost of primer/tack coat. [MoRTH Specification : Clause 507,112]Grading II (19 mm nominal size) - Bitumen @ minimum 4.5 % of mix (60/70 grade) & thickness 50 - 75 mm