Improvements to Bhadrachalam to Chadrupatla road from Km 65/0 to 99/0 (14.59 Kms in appropriate reaches) in Bhadrachalam Constituency of Mulugu District

Scarifying the existing B.T surface to a depth of 50 mm by Mechanical means and disposal of scarified material with all leads and lifts upto 1000 Mtrs as per MoRT&H (5th Revision) Specn. No.305.4.3

Construction of Subgrade with material obtained from borrowed useful earth from outside road boundary MDD of 18 KN/Cum , CBR ≥ 10%, PI < 18%, by mechanical means upto SDR with all leads and lifts 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, including all hire and operational charges of T&P, complete for finished item of work as per MoRT&H specification 305 (5th revision).

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 aplying Prime coat with bitumen emulsion (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 Kg/sqm using emulsion pressure distributor 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 bitumen emulsion (Rapid settting-I) (Bulk) using Emulsion 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 50mm thick of Dense Graded Bituminous Macadam with 100-120 TPH Batch mix plant using HBG 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 full width full width paver 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

Construction of earthen shoulders with selective soils obtained from borrow pits with MDD of 18 KN/Cum , CBR ≥ 10%, PI < 18% from approved sources, grading and consoilidation with 8 to 10 Tonnes Vibratory Road Roller @ OMC to meet requirement of MoRT&H, including all hire and operational charges of T&P complete for finished item of work as per MoRT&H specification 305 (5th revision)

Earthwork excavation in soils upto SDR by mechanical means for foundations of structures as per drawing and technical specification including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing sides of bottom, back filling the excavation earth to the extent required etc., complete excluding seignioarge charges for finished item of work as per MoRT&H specification 304(5th Revision) and as directed by the Engineer-in-Charge.

Vibrated cement concrete M 15 Grade Concrete using 40mm , 20mm and 10mm size HBG crushed stone aggregate (Coarse aggregate conforming to table 1000-1 and fine aggregate conforming to table 1000-2) including cost, (excluding seigniorage) and conveyance of all materials to site and all labour charges ,centering, machine mixing, laying in position, Compacting , Vibrating and curing including all other incidental and all other operational charges of T&P required etc., complete as per MoRT&H Specification 1500,1700, 2200 (5th Revision) for levelling Course

Vibrated cement concrete M 15 Grade Concrete using 40mm , 20mm and 10mm size HBG crushed stone aggregate (Coarse aggregate conforming to table 1000-1 and fine aggregate conforming to table 1000-2) including cost, (excluding seigniorage) and conveyance of all materials to site and all labour charges ,centering, machine mixing, laying in position, Compacting , Vibrating and curing including all other incidental and all other operational charges of T&P required etc., complete as per MoRT&H Specification 1500,1700, 2100 (5th Revision) for Substructure

Providing, laying Reinforced cement concrete Hume pipes of 1000 mm Dia., NP-3 class for pipe culverts including cost and conveyance of Pipes etc., complete and Labour charges for laying, jointing of 1000mm dia. R.C.C Hume pipes in position including lifting, aligning, lowering and hoisting etc., as per drawing and as per MoRT&H Specification 2900, 2905 and 2906 (5th Revision) and IRC Special Publication No: 13 and as directed by the Engineer-in-Charge for finished item of work.