Providing Approaches to HLB at Km 10/4-6 on NH-7 to Pragatoor Road in Mahabubnagar District

Forming embankment with borrowed useful earth from outside road boundary by mechanical means upto SDR with extra lead including pre-watering of soil at borrow area, removal of top soil, excavation of soils at borrowed area, conveyance of soil, depositing the soil on the embankment, spreading soil, breaking clods, sectioning, grading and consolidation with 8 to 10 Tonnes Vibratory Road Roller @ OMC to meet requirement of table 300-2 of MoRT&H and CBR not less than 10%, including all hire and operational charges of T&P , complete for finished item of work as per MoRT&H specification 305 (5th revision) (Payment will be made based on level for finished item of work) .

Construction of Granular sub-base by providing HBG material confirming to Grading - VI of MoRT&H Table 400-1 including cost, (excluding seigniorage charges) and conveyance of all materials to work site and spreading in uniform layers with motor grader or by approved means, on prepared surface mixing by mix in place method with Rotavator / approved means at OMC and compacting with vibratory roller to achieve the desired density etc., complete for finished item of work as per MoRT&H Specification 401 (5th revision) and as directed by the Engineer-in-charge.

Providing, Laying, Spreading and compacting graded HBG crushed stone aggregate to Wet Mix Macadem specification including cost of all materials and 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 in base courses on well prepared surface and compacting with Vibratory roller to acheive the desired density etc., as directed by the Engineer-in-Charge and as per MoRT&H specification 406 (5th revision) for finished item of work.

Providing and applying prime coat with bitumen Slow setting SS1 (Bulk) using Emulsion pressure distributor on prepared surface of Granular base including cleaning of road surface and spraying emulsion at the rate of 0.70 kgs per sqm using emulsion pressure distributtor for finished item of work as per MoRT&H Specification 502 (5th revision) and as directed by the Engineer-in-Charge.

Providing and applying tack coat with VG-10 (Bulk) using Bitumen pressure distributor at the rate of 0.20 kgs per sqm on the prepared bituminous/granular surface cleaned with mechanical broom for finished item of work as per MoRT&H Specification 503 (5th revision) and as directed by the Engineer-in-Charge.

Providing and laying of Dense Graded Bituminous Macadam with 100-120 TPH batch type hot mix plant/40-60TPH hot mix plant using HBT crushed aggregates of Grading - II as per table 500-10 of MoRT&H Specification 505 (5th revision) premixed with bitumen VG-30 grade @ 4.50% of weight of total mixture, transported to site, laid over a previously prepared surface with mechanical paver finisher to the required grade, level and alignment and rolled as per Clauses 501.6 and 501.7 to achieve the desired compaction for finished item of work as directed by the Engineer-in-Charge including hire and operational charges all T&P and all other contingent charges necessary including charges of all materials etc., complete and as per MoRTH specification No. 505(5th Revision)

Providing 30 mm thick compacted Bituminous Concrete with 100-120 TPH Batch mix plant using HBG crushed aggregates of Grading – 2 as per table 500-17 of specification 507 of MoRT&H (5th revision), premixed with bitumen VG-30 grade @ 5.4% of mix and Hydrated lime, transporting the hot mix to work site, laying with full width paver 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 507 (5th revision) complete for finished item of work in all respects as directed by Engineer-in-Charge